Your local Ontario Emergency Roof Leak Repair team

Emergency Roof Leak Repair in Ontario, California

When water is coming through your ceiling, you need Emergency Roof Leak Repair in Ontario, California, not a callback next week. Freund Roof Leak Repair sends licensed technicians across Ontario to find the source, stop the leak, and document the damage for your insurance claim. We handle storm damage, missing shingles, flashing failures, and flat roof leaks. One call gets a tarp on the roof and a repair plan in motion.

24/7Emergency response
4.9 starGoogle rating
1,200+Ontario jobs completed

Licensed · Upfront options · Clean work areas · Written guarantees

Ontario's Go-To Emergency Roof Leak Repair Team

Emergency Roof Leak Repair in Ontario is a category of urgent roofing service that stops active water intrusion during storms, after wind events, or when aging roof components fail. Freund Roof Leak Repair has spent local experience working roofs across Ontario, from the historic neighborhoods near Euclid Avenue to the newer tract homes out by the Ontario Ranch development. We know how Inland Empire heat cycles expand and contract roofing materials, how Santa Ana winds tear at ridge caps, and how winter storms push water through flashing that looked fine in August. Our trucks carry roofing nail guns, pry bars, utility knives, caulking guns, tarps, ladders, safety harnesses, moisture meters, and infrared cameras so we can diagnose and repair in one visit. We work with GAF, Owens Corning, CertainTeed, Malarkey, IKO, Firestone, Carlisle SynTec, and Henry Company products. Whether you need storm damage roof leak repair or a full post-storm roof inspection, we treat every Ontario call like the emergency it is.

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Ontario sits in a wind corridor where Santa Ana events routinely strip shingles and lift flashing. The city's housing stock ranges from 1950s ranch homes near downtown to brand-new construction in Ontario Ranch, and each era fails differently. Older homes have brittle underlayment and rusted fasteners; newer homes often have installation defects around skylights and chimneys. We serve Ontario because the demand is real and constant, and because too many homeowners get stuck waiting days for a tarp while water ruins drywall and insulation.

Freund Roof Leak Repair
Services available in Ontario

Emergency Roof Leak Repair Services in Ontario

Ontario's mix of older ranch homes, newer tract housing, and flat-roof commercial buildings means we see every kind of leak. The most common call we get is for storm damage roof leak repair after a wind event, but we also handle slow leaks that have been dripping for weeks. If you are searching for emergency roof leak repair near me in Ontario, here is what we bring to your property.

01
␁

Emergency Roof Tarping

When a storm tears open your roof in Ontario, we tarp it fast. Our crews carry heavy-duty tarps and secure them with cap nails and battens so they hold through the next wind event. We tarp homes near downtown Ontario, commercial buildings along Holt Boulevard, and rentals near the airport. This stops water intrusion immediately while we schedule permanent repairs.

See details ↓
02
↯

Storm Damage Roof Leak Repair

Santa Ana winds and winter storms hit Ontario hard. We repair missing shingles, torn underlayment, and damaged flashing after every major weather event. Our trucks are stocked with GAF and Owens Corning shingles so we can match your existing roof and complete repairs the same day. We document everything with photos for your insurance claim.

See details ↓
03
≈

Missing Shingle & Tile Roof Leak Repair

Ontario's heat cycles crack shingles and loosen tiles. We replace missing shingles, re-seat tile, and repair the underlayment beneath. If your roof is near the Ontario Ranch development or in an older neighborhood off Euclid Avenue, we know the material profiles and can match them. We also check surrounding shingles for lift and nail pops.

See details ↓
04
◒

Flashing Skylight & Chimney Leak Repair

Flashing failures are the number one cause of leaks we find in Ontario. We reseal chimney flashing, replace skylight curbs, and repair wall flashing with Henry Company sealants and new metal. Homes near Bon View Park and along the older streets of Ontario often have original flashing that has finally given out. We fix it right, not with a smear of roof cement.

See details ↓
05
◎

Flat Roof Leak Repair

Ontario has plenty of flat-roof commercial buildings and mid-century homes with low-slope sections. We repair EPDM, TPO, and modified bitumen membranes, fix ponding issues, and seal seams and penetrations. If your flat roof is holding water near the Ontario Convention Center or in an industrial park, we can find the entry point with an infrared camera.

See details ↓
06
+

Gutter & Roof Drainage Repair

Clogged gutters and failed downspouts push water under your roof edge and into your fascia. In Ontario, we clear debris, reseal gutter seams, and re-pitch runs that have pulled away from the roofline. This is especially important before winter rains. We also check for roof punctures and ice dam damage in the colder months.

See details ↓
07
␁

Post-Storm Roof Inspection

After every major storm in Ontario, we offer a full roof inspection. We check for missing shingles, flashing leaks, skylight leaks, chimney leaks, and flat roof ponding. You get a photo report and a clear repair plan. If your roof is fine, we tell you. If it needs work, we prioritize the leaks that will cause the most damage.

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Who we serve in Ontario

Two very different jobs. One local crew.

For homes

Residential Emergency Roof Leak Repair in Ontario

Ontario homeowners call us for everything from a single missing shingle to a full storm damage emergency. The city's housing stock ranges from 1950s ranch homes near downtown to newer builds in Ontario Ranch. Each type has its own leak patterns. We work on all of them. Whether you need a quick flashing repair or a full post-storm roof inspection, we treat your home like our own. We show up when we say we will, and we clean up when we are done.

01Emergency tarping for storm damage

When a storm tears open your roof in Ontario, we tarp it fast. Our crews secure heavy-duty tarps with cap nails and battens so they hold through the next wind event. This stops water intrusion immediately while we schedule permanent repairs.

02Flashing and skylight leak repair

Flashing failures are the most common leak we find in Ontario homes. We replace chimney flashing, reseal skylight curbs, and repair wall flashing with new metal and high-temperature sealant. We do not just cover it with roof cement.

03Missing shingle replacement

After Santa Ana winds, shingles go missing. We replace them with matching GAF or Owens Corning products and check the surrounding area for lift. If your underlayment is damaged, we replace that too.

04Flat roof leak repair

Many Ontario homes have flat or low-slope roof sections. We repair EPDM, TPO, and modified bitumen membranes, fix ponding issues, and seal seams. We use infrared cameras to find the entry point.

  • Same-day tarping and emergency response to stop water damage immediately.
  • Photo documentation for your insurance claim, including before and after images.
  • Written warranty on all repairs, plus manufacturer warranties on materials.
Get a home estimate →
For businesses

Commercial Emergency Roof Leak Repair in Ontario

Ontario's commercial buildings face unique roof challenges. Flat roofs pond water, HVAC units create penetrations, and heavy foot traffic wears down membranes. When a leak threatens your business, you need a contractor who understands commercial roofing and can work around your schedule. We serve property managers, business owners, and facility directors throughout Ontario. From the Holt Boulevard corridor to the Ontario Center business district, we keep commercial roofs watertight.

  • Retail centers
  • Office buildings
  • Warehouse and logistics
  • Restaurants and hospitality
  • Medical and professional offices
01After-hours and weekend scheduling

We know you cannot shut down your business for a roof repair. We schedule commercial work after hours, on weekends, or during slow periods. Our crews work around your tenants and customers to minimize disruption.

02Infrared leak detection

Flat roofs hide leaks. We use infrared cameras to scan the membrane and find the exact entry point without tearing up the entire roof. This saves you money and gets the repair done faster.

03Insurance documentation

Storm damage claims require detailed reports. We photograph everything, document the damage, and provide a written scope of work. This helps your claim get approved quickly and accurately.

04Preventive maintenance plans

We offer scheduled inspections and maintenance for commercial properties in Ontario. Regular checkups catch small issues before they become expensive leaks. We clear drains, reseal seams, and replace worn flashing.

Discuss a commercial contract →
Service by service in Ontario

Every service we run in Ontario.

Each service below is a full breakdown of how the work is scoped, priced and carried out in this city — not a generic description.

  1. 01Emergency Roof Tarping↗
  2. 02Storm Damage Roof Leak Repair↗
  3. 03Missing Shingle & Tile Roof Leak Repair↗
  4. 04Flashing Skylight & Chimney Leak Repair↗
  5. 05Flat Roof Leak Repair↗
  6. 06Gutter & Roof Drainage Repair↗
  7. 07Post-Storm Roof Inspection↗
01
Emergency Roof Tarping in Ontario

Emergency Roof Tarping in Ontario

When a sudden roof leak threatens your Ontario home, our emergency roof tarping service provides immediate protection. We understand the urgency of storm damage in areas like Old Ontario and the Inland Empire, where heavy rains and wind can quickly compromise your roof. Our team responds rapidly to secure your property and prevent further water intrusion.

a

Rapid Response in Ontario

Our emergency roof tarping in Ontario is designed for speed. We dispatch crews to neighborhoods like Downtown Ontario and College Heights within minutes of your call. Using heavy-duty tarps and secure fastening systems, we create a temporary barrier that withstands harsh weather, giving you peace of mind until permanent repairs can be made.

b

Protecting Vulnerable Roofs

Ontario's diverse architecture includes many older homes with fragile roofing materials. Our tarping service is especially crucial for these structures. We carefully assess the damage and apply tarps to prevent further deterioration, focusing on areas prone to leaks such as valleys, ridges, and penetrations. This proactive approach saves you from costly interior damage.

c

Insurance and Documentation

We understand that dealing with insurance claims can be stressful. That's why we document the entire tarping process with photos and detailed reports. This documentation supports your claim and ensures you receive proper compensation. Our team works directly with adjusters to streamline the process, making your recovery smoother.

02
Storm Damage Roof Leak Repair in Ontario

Storm Damage Roof Leak Repair in Ontario

After a severe storm, your Ontario home may suffer from roof leaks that require immediate attention. Our storm damage roof leak repair service in Ontario addresses issues caused by high winds, hail, and heavy rain. We serve areas like Ontario Ranch and South Ontario, restoring your roof's integrity and preventing further water damage.

a

Assessing Storm Damage

We begin with a thorough inspection to identify all storm-related damage. From missing shingles to cracked flashing, we pinpoint the source of leaks. Our team uses advanced tools to detect hidden moisture, ensuring no problem is overlooked. This comprehensive assessment is the first step toward effective repair.

b

Repairing Wind and Hail Damage

Ontario's storms often bring hail and strong winds that damage roofing materials. We specialize in repairing shingle damage, sealing cracks, and replacing compromised components. Our repairs are designed to match your existing roof, maintaining both aesthetics and functionality. We use high-quality materials to ensure durability against future storms.

c

Preventing Future Leaks

Beyond immediate repairs, we focus on preventing future leaks. We reinforce vulnerable areas, improve drainage, and apply protective coatings where needed. Our goal is to fortify your roof against Ontario's unpredictable weather, extending its lifespan and saving you from recurring issues. Trust us to secure your home.

03
Missing Shingle & Tile Roof Leak Repair in Ontario

Missing Shingle & Tile Roof Leak Repair in Ontario

Missing shingles or tiles can leave your Ontario home exposed to the elements, leading to leaks and water damage. Our missing shingle & tile roof leak repair service in Ontario quickly addresses these issues. We serve neighborhoods like Historic Downtown and Vineyard, restoring your roof's protective layer and preventing further deterioration.

a

Identifying Missing Materials

Our experts carefully inspect your roof to locate missing shingles or tiles. We check for signs of damage such as cracked, curled, or displaced materials. In Ontario's varied climate, these issues are common after storms or due to age. We document all findings and provide a clear repair plan.

b

Matching and Replacing Materials

We source high-quality shingles and tiles that match your existing roof. Our skilled technicians ensure proper installation, securing each piece to prevent future loss. Whether you have asphalt shingles, clay tiles, or concrete tiles, we have the expertise to restore your roof's appearance and function.

c

Sealing and Waterproofing

After replacing missing materials, we seal all edges and apply waterproofing treatments. This step is crucial in Ontario, where heavy rains can penetrate even small gaps. Our thorough approach ensures your roof is protected against leaks, giving you confidence during the next storm.

04
Flashing Skylight & Chimney Leak Repair in Ontario

Flashing Skylight & Chimney Leak Repair in Ontario

Leaks around flashing, skylights, and chimneys are common in Ontario homes, especially in older neighborhoods like Old Ontario. Our flashing skylight & chimney leak repair service in Ontario targets these vulnerable areas. We use specialized techniques to seal penetrations and prevent water from entering your home, protecting your interior from damage.

a

Inspecting Flashing and Seals

We start by inspecting all flashing, including around chimneys, vents, and skylights. In Ontario's climate, these areas endure constant exposure to rain and temperature changes, leading to cracks and gaps. Our team identifies deteriorated sealant and damaged metal, which are primary causes of leaks.

b

Repairing Chimney Flashing

Chimney flashing is a frequent source of leaks. We repair or replace damaged flashing, ensuring a watertight seal between the chimney and roof. Our technicians use durable materials like copper or galvanized steel, tailored to Ontario's weather conditions. This repair prevents water from seeping into your attic or walls.

c

Skylight Leak Solutions

Skylights add beauty but can leak if not properly sealed. We address skylight leaks by replacing worn gaskets, resealing the frame, and ensuring proper drainage. Our solutions are designed for Ontario's heavy rains, keeping your skylight functional and leak-free for years to come.

05
Flat Roof Leak Repair in Ontario

Flat Roof Leak Repair in Ontario

Flat roofs are common in Ontario's commercial and residential buildings, but they are prone to leaks. Our flat roof leak repair service in Ontario provides expert solutions for these unique roofing systems. We serve areas like Ontario Airport and Downtown, ensuring your flat roof remains watertight and durable.

a

Locating Leaks on Flat Roofs

Flat roof leaks can be challenging to locate because water can travel far from the entry point. We use infrared scanning and moisture meters to detect hidden leaks. Our team in Ontario is experienced with various flat roof materials, including TPO, EPDM, and modified bitumen, ensuring accurate diagnosis.

b

Repairing Membrane and Seams

Most flat roof leaks occur at seams and membrane damage. We repair tears, blisters, and open seams using compatible materials. Our repairs are reinforced with flashing and sealants to withstand Ontario's temperature fluctuations. We ensure a seamless, watertight finish that lasts.

c

Drainage and Ponding Solutions

Poor drainage leads to ponding water, which accelerates roof deterioration. We improve drainage by clearing debris, adjusting slopes, and installing additional drains if needed. Our solutions prevent water from pooling, extending the life of your flat roof and preventing leaks in Ontario's rainy seasons.

06
Gutter & Roof Drainage Repair in Ontario

Gutter & Roof Drainage Repair in Ontario

Proper gutter and roof drainage are essential to protect your Ontario home from water damage. Our gutter & roof drainage repair service in Ontario ensures that rainwater is efficiently diverted away from your foundation. We serve neighborhoods like Ontario Ranch and College Heights, addressing clogs, leaks, and structural issues.

a

Cleaning and Clearing Gutters

Clogged gutters are a leading cause of roof leaks and foundation damage. We remove debris, leaves, and nests from gutters and downspouts. In Ontario, where trees are abundant, regular cleaning is crucial. Our service restores proper water flow, preventing overflow and water damage to your home.

b

Repairing Gutter Damage

We repair sagging, cracked, or separated gutters. Our team re-secures gutters to the fascia, seals leaks, and replaces damaged sections. We also ensure downspouts direct water away from your foundation. These repairs are vital in Ontario's rainy season to prevent soil erosion and basement flooding.

c

Improving Roof Drainage

Beyond gutters, we assess your roof's overall drainage. We check for proper slope, install diverters if needed, and ensure that water flows freely to gutters. Our comprehensive approach in Ontario safeguards your roof and foundation from water-related issues, extending the life of your home.

07
Post-Storm Roof Inspection in Ontario

Post-Storm Roof Inspection in Ontario

After a storm hits Ontario, your roof may have hidden damage that could lead to leaks. Our post-storm roof inspection service in Ontario provides a comprehensive evaluation to identify issues early. We serve areas like South Ontario and Vineyard, helping homeowners avoid costly repairs through timely intervention.

a

Comprehensive Storm Damage Check

We conduct a thorough inspection of your roof, checking for missing shingles, damaged flashing, and impact marks from hail. Our team in Ontario uses drones and manual inspection to access hard-to-reach areas. We document all findings with photos and provide a detailed report for your records or insurance claim.

b

Detecting Hidden Leaks

Storms can cause leaks that aren't immediately visible. We use moisture meters and thermal imaging to detect hidden water intrusion. In Ontario's climate, early detection is key to preventing mold and structural damage. Our inspection ensures your roof is dry and secure.

c

Preventive Recommendations

Based on our inspection, we offer preventive recommendations to strengthen your roof against future storms. This may include reinforcing weak points, improving drainage, or scheduling maintenance. Our goal is to help Ontario homeowners protect their investment and avoid emergency repairs.

More than a service list

How We Execute Emergency Roof Leak Repair in Ontario

When you call us for Emergency Roof Leak Repair in Ontario, we start by asking where the water is showing up inside. That tells us which roof section to inspect first. Our technician arrives with a ladder, safety harness

01

Santa Ana winds tear off shingles and lift flashing

Ontario sits in a wind corridor. After a Santa Ana event, we get a surge of calls for missing shingles and flashing leaks. Roofs that looked fine can develop active leaks overnight.

How we handle it We keep extra shingles, flashing metal, and fasteners on every truck. When you call after a wind event, we tarp the damaged area immediately and return with matching materials to complete the repair. We also check the entire roof for lifted shingles you might not have noticed.

02

Intense summer heat cracks shingles and sealants

Ontario regularly sees summer temperatures over 100 degrees. That heat bakes asphalt shingles, dries out sealants, and causes flashing to pull away from chimneys and walls.

How we handle it We use high-temperature sealants and inspect every penetration. If your shingles are brittle, we replace them rather than trying to patch. We also check attic ventilation because poor airflow makes the heat damage worse.

03

Older homes have failing underlayment and rusted fasteners

Many Ontario homes built in the 1950s and 1960s still have original underlayment that has dried out and cracked. Fasteners have rusted, and shingles slide out of place.

How we handle it We inspect the underlayment whenever we replace shingles. If it is failing, we replace that section. We also upgrade fasteners to hot-dipped galvanized nails that resist rust. This adds years to the repair.

Recent work in Ontario

Recent Emergency Roof Leak Repair Jobs in Ontario

These are real examples of how we handle Emergency Roof Leak Repair in Ontario. Each job shows the kind of problem we see, what we did, and the result. We do not share customer names, but the details are accurate.

01 Bon View Park area
The problem
A homeowner near Bon View Park called after noticing a brown water stain spreading across the ceiling of their living room. The leak had been dripping slowly for weeks.
What we did
We inspected the roof and found failed flashing around the chimney. The original sealant had cracked and pulled away. We removed the old flashing, installed new metal flashing with Henry Company sealant, and replaced the surrounding shingles. We also checked the attic for moisture damage.
The result
The leak stopped immediately. The homeowner avoided a full roof replacement and saved thousands. We returned a week later to confirm the repair was holding.
02 Holt Boulevard corridor
The problem
After a Santa Ana wind event, a commercial building on Holt Boulevard had multiple missing shingles and an active leak into a tenant's office. The property manager needed it fixed before the next storm.
What we did
We tarped the damaged area the same day and scheduled a permanent repair. Our crew replaced 40 missing shingles, resealed all flashing, and repaired a punctured section of modified bitumen on the flat roof. We documented everything with photos for the insurance claim.
The result
The roof was watertight within 48 hours. The property manager received a full photo report and the insurance claim was approved without delays.
03 Ontario Ranch
The problem
A homeowner in Ontario Ranch noticed water pooling on their flat roof section and dripping into the garage. The roof was only 12 years old, but the TPO membrane had a seam failure.
What we did
We used an infrared camera to find the exact entry point. The seam had separated due to heat cycling. We cleaned the area, applied a compatible TPO patch, and heat-welded the seam. We also checked the entire flat section for other weak points.
The result
The leak was fixed in three hours. The homeowner has not had a problem since, and we scheduled a follow-up inspection for the next rainy season.
Freund Roof Leak Repair team
Early warning signs

Signs You Need Emergency Roof Leak Repair in Ontario

01Brown or yellow water stains on ceilings

02Missing or curling shingles after a storm

03Water dripping from a skylight or chimney

04Ponding water on a flat roof

05Granules from shingles in gutters

Have us take a look →
Ontario problem patterns

Common Roof Leak Problems in Ontario

Ontario's climate and building stock create specific roof leak patterns. The combination of intense summer heat, Santa Ana winds, and winter rain means roofs take a beating year-round. Older homes have different problems than newer ones. Here are the most common issues we fix.

01

Flashing leaks around chimneys and walls

Why it happens Ontario's heat dries out sealants and causes metal flashing to expand and contract. Over time, the flashing pulls away from the chimney or wall, leaving a gap for water. This is the number one leak source we find.

Our approach We remove the old flashing and sealant, install new metal flashing with proper overlap, and seal it with high-temperature Henry Company sealant. We do not just smear roof cement over the problem.

02

Missing shingles after wind events

Why it happens Santa Ana winds funnel through the Inland Empire and hit Ontario hard. Shingles that are already brittle from summer heat can peel off in a single storm. Once shingles are missing, the underlayment is exposed and leaks start fast.

Our approach We tarp the exposed area immediately, then replace the missing shingles with matching GAF or Owens Corning products. We also check surrounding shingles for lift and re-nail any that are loose.

03

Skylight leaks

Why it happens Skylights are a common feature in Ontario homes. The curb flashing and seals fail over time, especially with heat exposure. Many skylight leaks go unnoticed until water stains appear on the ceiling.

Our approach We inspect the skylight curb, replace the flashing, and reseal the glass or acrylic. If the skylight itself is cracked, we can replace it. We test with water before we leave.

04

Flat roof ponding and seam failures

Why it happens Ontario has many flat-roof commercial buildings and mid-century homes. Ponding water stresses the membrane and finds weak seams. TPO and EPDM membranes can separate at the seams after years of heat cycling.

Our approach We use infrared cameras to find the entry point, then repair the membrane with compatible materials. We also check drainage and re-pitch if needed. For severe ponding, we recommend a full membrane replacement.

Ontario through the year

Seasonal Roof Leak Concerns in Ontario

Ontario's weather changes throughout the year, and each season brings different roof leak risks. Fall is here now, and winter rain is around the corner. Here is what to expect and how to prepare.

❊

Spring

Spring in Ontario brings occasional rain and warming temperatures. Roofs that survived winter may start leaking as sealants soften and expand. We see a lot of flashing leaks and skylight leaks in spring.

Tip Inspect your attic after the first spring rain. Look for water stains on rafters or insulation. If you see any, call us before the leak spreads.

☀

Summer

Summer heat in Ontario regularly exceeds 100 degrees. This bakes shingles, dries out sealants, and causes flashing to pull away. Roofs age faster in summer than any other season.

Tip Schedule a roof inspection in early summer. We can catch brittle shingles and failing sealant before they turn into leaks. It is also a good time to clear debris from valleys and gutters.

❄

Fall

Fall is when Santa Ana winds start. These dry, powerful winds tear at shingles and flashing. We see a spike in missing shingle calls and flashing leaks. This is also the time to prepare for winter rain.

Tip Before the first winter storm, have us inspect your roof for lifted shingles and failing flashing. A small repair now prevents a major leak later.

❅

Winter

Winter rain in Ontario can be intense. Leaks that were minor in summer become active problems. Flat roofs pond, gutters overflow, and flashing that was already compromised lets water in.

Tip If you notice a leak during a storm, call us immediately. We tarp roofs 24/7. Do not wait for the rain to stop, because the damage gets worse every hour.

We know the route

Navigating Ontario: Landmarks We Use

Ontario is a large city with distinct areas, and we use major landmarks to route our trucks efficiently. If you are near the Ontario Convention Center, the airport, or one of the historic districts, we know exactly how to get to you. These landmarks help us cut response times and avoid traffic bottlenecks on the 10 and 15 freeways.

FOntario

Ontario Convention Center

The convention center is a central landmark on the city's south side. We use it to orient our routes when heading to commercial calls or events near the 10 freeway. It helps us avoid the heaviest traffic on Holt Boulevard.

FOntario

Ontario International Airport

The airport is a major navigation point on the west side of Ontario. We use it to locate properties in the surrounding industrial and residential areas. It also helps us avoid airport traffic when routing to nearby neighborhoods.

FOntario

Ontario Mills

Ontario Mills is a large shopping complex near the 15 freeway. We use it as a reference point for calls in the eastern part of the city. It helps us choose the fastest route to Ontario Ranch and nearby neighborhoods.

ONTARIO
AREA
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Primary Ontario response zone
Ontario service coverage

Is your ZIP on the route?

These are our most frequently served ZIP codes. Nearby areas may also qualify—call if you do not see yours.

9176291761917649174391758
Popular neighborhoods

Downtown Ontario · Ontario Ranch · Bon View · Airport Area

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Ontario Emergency Roof Leak Repair FAQ

FAQs About Emergency Roof Leak Repair in Ontario

Our team can help if your question is not answered here.

Call (877) 299-0450 →

Most emergency roof leak repairs in Ontario cost between $350 and $1,200 in 2026. Simple flashing reseals run $350 to $500. Missing shingle repairs and skylight leaks typically fall in the $500 to $900 range. Flat roof repairs and storm damage can cost more. We give you a clear price before we start.

We typically arrive within 30 to 60 minutes for emergency calls in Ontario. Our trucks are staged around the city, and we use the 10 and 15 freeways to route quickly. For active leaks, we prioritize tarping to stop the water immediately. Call (877) 299-0450 and we will dispatch the nearest crew.

Yes. We repair EPDM, TPO, and modified bitumen flat roofs on commercial buildings throughout Ontario. We work with property managers along Holt Boulevard and in the Ontario Center business district. We use infrared cameras to find the entry point and document everything for your insurance claim.

Move furniture and electronics away from the leak. Place buckets under drips and put towels down to protect floors. If the ceiling is bulging, poke a small hole in the center to let water drain safely. Do not go on the roof yourself. Wait for our technicians to arrive and tarp the area.

We carry GAF, Owens Corning, CertainTeed, Malarkey, and IKO shingles on our trucks. In most cases, we can match your existing shingles closely. If your shingles are discontinued or faded, we will tell you and discuss options. The repair will still be watertight even if the color is slightly different.

Credentials on file

Licensed, Insured, and Local

Licenses

California Contractors State License Board (CSLB) license

Certifications

GAF Master Elite
GAF
Owens Corning Preferred Contractor
Owens Corning
CertainTeed SELECT ShingleMaster
CertainTeed
OSHA safety certification
OSHA
NRCA member
National Roofing Contractors Association

Insurance

State Farm
$2M general liability

Local affiliations

  • Ontario Chamber of CommerceMember
  • Inland Empire Roofing Contractors AssociationMember
Freund Roof Leak Repair ready to serve Ontario
Ontario team is ready

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