Roof Leak Repair in Granada Hills, CA

Roof Leak Repair in Granada Hills

Serving Granada Hills

Roof Leak Repair in Granada Hills

Roof leak repair in Granada Hills covers single-family homes from the flatter streets of South Granada Hills up to the hillside lots near O'Melveny Park in North Granada Hills. It includes pitched shingle roofs, flat or low-slope sections over patio additions and garages, and the flashing, valleys, and vents where water usually gets in.

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Copper step flashing patch on asphalt shingle roof — Granada Hills — Roof Replacement Inc

       
 
 
 5.0 
   Top Rated Service 2026 
 verified by Trustindex 
 Trustindex verifies that the company has a review score above 4.5, based on reviews collected on Google over the past 12 months, qualifying it to receive the Top Rated Certificate.

The short answer

Roof Replacement Inc provides roof leak repair in Granada Hills for pitched shingle roofs, flat patio additions, and failing flashing across neighborhoods like Knollwood and North Granada Hills. Granada Hills falls under City of Los Angeles jurisdiction, so permits are handled through LADBS when required. Call (213) 364-3979.

More Services

Our Other Roofing Services

Roof ReplacementFull roof replacements and reroofing built to last across greater Los Angeles.Learn more →New RoofsNew roof installation in asphalt shingle, tile, metal and flat systems, with clear pricing up front.Learn more →Roof RepairFast, reliable repairs for leaks, storm damage, flashing, and worn roofing.Learn more →Roof InspectionPhoto-documented inspections that identify leaks, damage and wear, with honest recommendations.Learn more →Shingle RoofingAsphalt shingle installation, replacement and repair, including architectural and Title 24 cool shingle options.Learn more →Tile RoofingConcrete and clay tile installation, repair and underlayment replacement. Keep the tiles, renew the waterproofing.Learn more →Flat RoofingFlat and low-slope roof repair and replacement: torch-down, modified bitumen, TPO and coatings.Learn more →Cool RoofsTitle 24-compliant reflective roofing that cuts cooling costs and beats the SoCal heat.Learn more →Roof CoatingElastomeric and silicone coatings that seal, protect, and extend the life of your existing roof.Learn more →Roof RemovalClean, complete tear-offs that fully strip the old roof and prep the deck for a new one.Learn more →

See our full Roof Leak Repair services ›

‹ All Roofing in Granada Hills

Damaged asphalt shingles with hole, debris, and lifted shingles — Granada Hills — Roof Replacement Inc

Leak Detection Granada Hills

Finding the Source of a Granada Hills Roof Leak

A ceiling stain in a Granada Hills home rarely marks the exact spot where water is entering. On a pitched roof, water can travel along rafters or underlayment before it ever shows up inside. Roof Replacement Inc traces leaks back to their actual source, whether that is a failed valley, a cracked vent boot, deteriorated flashing at a chimney or skylight, or shingles that have simply reached the end of their service life. Call (213) 364-3979 to schedule a diagnosis.

✓Roof valley inspection for channeling and sealant failure
✓Vent boot and pipe flashing condition check
✓Chimney and skylight flashing assessment
✓Shingle surface inspection for cracking, cupping, or granule loss
✓Flat-section membrane check on patio and addition roofs
✓Attic inspection for moisture, staining, and deck condition

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What Will Your Roof Cost?

Answer a few quick questions and get a ballpark price for your Granada Hills roof in about a minute — right here, no obligation.

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Debris-filled roof valley between two asphalt shingle sections — Granada Hills — Roof Replacement Inc

Shingle Roof Leak Repair

Shingle and Valley Leak Repair in Granada Hills

Pitched composition shingle roofs in Granada Hills are susceptible to valley leaks as metal flashing corrodes and sealant dries out over decades. Roof Replacement Inc replaces failed valley flashing, reseats lifted or cracked shingles, and installs synthetic underlayment where the existing layer has degraded, addressing the leak rather than masking it. Call (213) 364-3979 to discuss what your shingle roof needs.

✓Open and closed valley flashing replacement
✓Individual shingle replacement where localized damage exists
✓Synthetic underlayment installation over compromised sections
✓Ridge cap and hip shingle resetting
✓Sealant and flashing tape application at penetrations
✓Debris and granule clearing from valleys before repair

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Tile roof with heavy leaf debris accumulation near pipe penetrations — Granada Hills — Roof Replacement Inc

Flat Roof Leak Repair

Flat and Low-Slope Leak Repair on Granada Hills Additions

Flat or low-slope sections over rear patio additions, garages, or covered entries are a frequent source of repeat ceiling leaks on Granada Hills homes. Roof Replacement Inc works with torch-down modified bitumen and TPO membranes on these sections, repairing blisters, seam failures, and drain blockages that let water pool and eventually penetrate. Call (213) 364-3979 if a flat section on your home keeps leaking in the same spot.

✓Torch-down modified bitumen patch and seam repair
✓TPO membrane repair and seam re-welding
✓Roof coating application on low-slope surfaces
✓Drain and scupper clearing and resetting
✓Parapet flashing inspection and resealing
✓Full flat-section tear-off and re-membrane when repair is not viable

Get a Free Quote Call (213) 364-3979

Why Choose Us

Why Homeowners Choose
Roof Replacement Inc

From tile and shingle to flat and low-slope roofs, we handle every roof type in Granada Hills, one licensed team for replacement, repair, coating, cool roofs, and tear-offs.

Call (213) 364-3979

Hillside and flat-lot leak repair across Granada Hills

Shingle, flat-roof, and valley leak diagnosis

Flashing and roof vent leak repair

City of LA permit coordination through LADBS

Tear-off and re-deck when decay is found beneath a leak

Rusted step flashing at chimney-to-asphalt-shingle roof junction — Granada Hills — Roof Replacement Inc

Vent and Flashing Leaks

Roof Vent and Flashing Leak Repair in Granada Hills

Pipe boots and step flashing wear out on their own schedule, and on an older roof they may never have been replaced. Cracked rubber boots around plumbing vents and lifted step flashing along dormers or additions are frequent culprits behind what looks like a general ceiling leak. Roof Replacement Inc replaces deteriorated boots and resets or replaces flashing rather than relying on caulk alone as a long-term fix. Call (213) 364-3979 to get the right repair done.

✓Pipe boot replacement with new rubber or lead boots
✓Step flashing removal and reinstallation at walls and dormers
✓Counter flashing reseating at chimneys
✓Skylight curb flashing repair or replacement
✓Gutter apron and drip edge correction at eaves
✓Sealant-only repairs avoided where flashing replacement is the correct fix

Get a Free Quote Call (213) 364-3979

Repair Scope and Permits

When a Granada Hills Leak Repair Needs a Full Re-Roof

Some leaks in Granada Hills trace back to a roof that has aged past the point where targeted repairs hold. When Roof Replacement Inc finds widespread shingle failure, rotted decking beneath a flat section, or underlayment that has fully degraded, a full tear-off and replacement is the honest recommendation rather than a patch that will fail again. Granada Hills is part of the City of Los Angeles, so LADBS decides whether a given scope needs a permit, and Roof Replacement Inc handles the permit when one is needed. Call (213) 364-3979 to get a clear picture of what your roof actually needs.

Ready to get started in Granada Hills?

Call for a free, no-pressure estimate.

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Service Area

Granada Hills Service Area

Roof Replacement Inc provides Roof Leak Repair throughout Granada Hills. Service areas include Knollwood, Zelzah, North Granada Hills, South Granada Hills and The Knollwood Country Club area. We also serve nearby Northridge, Chatsworth, Porter Ranch, North Hills, Sylmar and San Fernando. The map below outlines the Granada Hills area we cover.

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See our completed roofing projects →

Questions

Frequently Asked Questions

How do you find where a leak is coming from when the stain is somewhere else?

Water that gets through the roof often runs along the underlayment, a rafter, or the top of a ceiling joist before it drips, so the stain can sit several feet from the entry point. Roof Replacement Inc starts in the attic where there is access, following water marks, darkened decking, and rusted nail tips back uphill, then checks the flashing, vents, and valleys on the roof above that path. On Granada Hills homes with flat patio sections, the membrane seams and drains get the same check. Call (213) 364-3979 to schedule a leak inspection.

Is there anything I should do before the repair crew arrives?

Clear furniture, rugs, and anything stored under the leak, and set a bucket or container in place to catch dripping water. A few photos of the stain and any wet drywall or flooring help the crew see how the leak has behaved. Please stay off the roof, since wet or steep sections are easy to slip on, and let the crew handle the roof itself when they reach your Granada Hills home. Call (213) 364-3979 to get on the schedule.

My Granada Hills home near O'Melveny Park is on a hillside lot. Does that affect how a leak repair is done?

Hillside lots in North Granada Hills near O'Melveny Park can make roof access more involved, particularly on steeply pitched rear slopes where standard ladder placement is not straightforward. Roof Replacement Inc accounts for access conditions when scoping a repair, and the pitch of the roof also affects which materials and techniques are appropriate for any flat or low-slope sections on the property. Call (213) 364-3979 to discuss your specific lot and roof configuration.

Why is there water on a wall or around a window rather than on the ceiling?

When water runs down inside a wall or appears above a window, the entry point is often higher up: step flashing where a roof section meets a second-story wall, the flashing around a chimney, or an eave where the gutter or drip edge has come loose. Sometimes the cause is the window seal or the stucco instead, which is not a roof repair. Roof Replacement Inc checks the roof flashing and eaves above the wet spot on your Granada Hills home first and will point you to the right trade if the roof is not the source. Call (213) 364-3979 to set up an inspection.

Can a roof valley leak on my Granada Hills home be repaired without replacing the whole roof?

In many cases, yes. If the shingles surrounding the valley are still in serviceable condition and the failure is isolated to the valley flashing itself, Roof Replacement Inc can replace the flashing and reseat the surrounding shingles without a full tear-off. If the inspection reveals that the broader roof surface is also deteriorated, a full replacement becomes the more practical answer. Call (213) 364-3979 and we can assess the valley and the surrounding field on your Granada Hills home.

Why does my Granada Hills roof only leak during heavy or wind-driven rain?

Leaks that appear only during heavy or wind-driven rain often point to flashing that has lifted slightly, a valley that handles normal runoff but is overwhelmed by volume, or a shingle edge that allows wind-pushed water to travel uphill under the course above it. These leaks can be easy to miss during a dry inspection, so Roof Replacement Inc looks specifically at the geometry and condition of areas where wind-driven water is most likely to enter. Call (213) 364-3979 to schedule a targeted inspection on your Granada Hills home.

Why did my roof start leaking with the first storm after summer?

Over the dry months, leaves and dust settle in valleys and gutters, and the first storm can back water up under the shingles before it has anywhere to drain. Summer heat also dries out sealant at vents and flashing and can crack rubber pipe boots, and those small openings do not show until it rains. A first-storm leak on a Granada Hills roof is often one of these contained failures rather than a sign the whole roof needs replacing. Call (213) 364-3979 to have the roof inspected.

Will a roof coating stop a leak on a flat patio roof?

Only if the leak is from minor surface cracking on a membrane that is otherwise sound. A coating does not close an open seam, fix flashing that has pulled away from the wall, or clear a drain that lets water pond, and coating over those problems tends to hide the leak rather than stop it. For a flat patio roof on your Granada Hills home, Roof Replacement Inc repairs the seam, flashing, or drain first and recommends a coating only where the membrane can support one. Call (213) 364-3979 to have the flat section evaluated.

What Our Clients Say

Roof Replacement Inc. provided outstanding service for our roofing repair. The roofing contractors were quick to respond and conducted a thorough inspection before starting the repairs. The roof repair was completed promptly, and the quality of the work was excellent. The team was professional and respectful, ensuring that the area was clean after the job was done. We are extremely satisfied with their service and will definitely use them again if needed. Highly recommend.

Ryland Bear

Researched for 2 years and chose because they had a Better Business Bureau A+ . That and they didn’t time pressure me at all, in fact , Adolpho graciously came back out when I asked if just coating it all over with Silicone would work . He explained everything without rushing or ever making me feel like I was taking up his time. As a single woman homeowner I appreciated that. He is a man of integrity and has gone above and beyond before during and now after the work has been done. I believe him when he says he’ll be there if there’s any other concerns . Highly recommend Adoloho and his team.

Corine Bohrer

We hired Roof Replacement for a complete roof replacement on our home,,, and they exceeded expectations. The local roofing companies we contacted couldn’t match their level of expertise and professionalism. The roofing services included a comprehensive assessment and a detailed plan for the replacement. The new roof is of high quality, and the roof replacement cost was very reasonable. The team was efficient and finished the project ahead of schedule. We highly recommend their services.

Brady Benedict

More Verified Customer Reviews

       EXCELLENT  
   Based on 265 reviews 
    
 
 
 
   
 
 
      Posted on Google  
   
   Joel Erben 
 31 August 2026
 
 
 Trustindex verifies that the original source of the review is Google. Adolfo, Dennis, and their entire team were fantastic. The entire process from beginning to end was straight forward, efficient, and thoroughly planned. The new roofs and repairs are beautifully done and will last us decades.

Owner's reply
Thank you so much for taking the time to share your experience! We truly appreciate your kind words and the trust you placed in Roof Replacement Inc. It was a pleasure working with you for your properties in Highland Park and we’re very happy to hear that you were satisfied with the planning, communication, and quality of the completed roofing work. Our goal is always to provide a smooth experience while delivering workmanship that our customers can depend on for many years to come. Thank you again for choosing Roof Replacement Inc. We truly appreciate your business and your recommendation!
  
 
     Posted on Google  
   
   Rene Weaver 
 9 August 2026
 
 
 Trustindex verifies that the original source of the review is Google. We had a great experience with Roof Replacement Inc. They were professional, reliable, on time, and reasonably priced. The crew did excellent work, kept everything clean throughout the project, and did a great job with the final cleanup. Communication was easy, and the entire process went smoothly from start to finish. Our new roof looks great, and we are very happy with the quality of their work. I highly recommend Roof Replacement Inc.!

Owner's reply
Thank you so much, Rene, for your wonderful 5-star review! It was truly a pleasure helping you with your roof replacement project in Burbank. We're thrilled to hear that you were happy with our professionalism, communication, and the quality of our workmanship from start to finish. At Roof Replacement Inc., we take pride in delivering high-quality roofing services while keeping every job site clean, safe, and organized. Knowing that you're happy with your new roof and that we exceeded your expectations means a great deal to our entire team. Thank you for trusting us with your home in Burbank, CA, and for recommending us to others. If you ever need roofing maintenance, inspections, or have any questions in the future, we're always here to help. Enjoy your beautiful new roof!
  
 
     Posted on Yelp  
   
   Rene W. 
 9 August 2026
 
 
 Verified We had a great experience with Roof Replacement Inc. They were professional, reliable, on time, and reasonably priced. The crew did excellent work, kept everything clean throughout the project, and did a great job with the final cleanup. Communication was easy, and the entire process went smoothly from start to finish. Our new roof looks great, and we are very happy with the quality of their work. I highly recommend Roof Replacement Inc.!
  
 
     Posted on Google  
   
   Tay Cass 
 6 August 2026
 
 
 Trustindex verifies that the original source of the review is Google. Roof Replacement Inc  did an outstanding job! They were, professional, and completed my roof right on schedule.

Owner's reply
Thank you, Tay, for the 5-star review! We’re glad you had a great experience with Roof Replacement Inc. and that our team delivered professional service while completing your roofing project right on schedule. We truly appreciate your trust in our company and your kind words about our workmanship. Thank you for choosing Roof Replacement Inc.—we’ll be here whenever you need roof repairs, maintenance, or future roofing services! 🏠
  
 
     Posted on Google  
   
   stephanie pena 
 4 August 2026
 
 
 Trustindex verifies that the original source of the review is Google. Roof Replacement Inc was recommended by a dear friend. They did an outstanding job! They were punctual, professional, and completed our new roof right on schedule. The crew was efficient, kept the workspace clean, and delivered top-notch quality at a fair price. Highly recommend them to anyone needing roof work!

Owner's reply
Thank you so much, Stephanie, for your wonderful review and for trusting Roof Replacement Inc. with your roofing project! We're honored that a friend's recommendation led you to us, and we're thrilled to hear that you were happy with our team's professionalism, punctuality, and workmanship. We take great pride in completing every project on schedule, maintaining a clean job site, and delivering quality roofing at a fair price. Your recommendation means a great deal to us, and we truly appreciate your support. If you ever need roofing services in the future, we'll be here to help. Thank you again! 🏠⭐
  
 
     Posted on Google  
   
   Jerome Sander 
 2 August 2026
 
 
 Trustindex verifies that the original source of the review is Google. +3
Our Spanish tile roof was recently renovated by Roof Replacement, Inc. They did an excellent job in a timely and professional manner. The crew started on time every day, were respectful of our property, kept a neat jobsite, and were meticulous craftsmen. At the end the crew did an excellent job of cleaning up. The schedule proceeded as Adolfo said it would. There were no surprises, delays or disappointments. In all, a very satisfactory experience for us. I highly recommend them.

Owner's reply
Jerome, Thank you so much for your wonderful review and recommendation! It was truly a pleasure working with you on your Spanish tile roof renovation in Glendale. We greatly appreciate your kind words about our crew's craftsmanship, professionalism, punctuality, and attention to keeping the jobsite clean throughout the project. Our goal is always to provide a smooth, stress-free experience while delivering the highest quality workmanship, so we're thrilled to hear we met your expectations. Thank you again for trusting Roof Replacement, Inc. with your home. We sincerely appreciate your business and are always here if you ever need anything in the future.
  
 
     Posted on Google  
   
   Beto Maldonado (Rewards & Discounts) 
 30 July 2026
 
 
 Trustindex verifies that the original source of the review is Google. Great customer service very detailed inspection and great information

Owner's reply
Thank you so much for your kind review! It was a pleasure working with you and having the opportunity to inspect your property in North Hollywood. We truly appreciate your trust in our team and are glad you found our inspection thorough and informative. If you ever need anything in the future, we're always here to help. Thank you again for choosing Roof Replacement Inc.!
  
 
     Posted on Google  
   
   Claire Anonuevo 
 30 July 2026
 
 
 Trustindex verifies that the original source of the review is Google. Roof inspection was amazing!

Owner's reply
Thank you so much for your wonderful review! It was a pleasure performing your roof inspection in Silver Lake. We're glad to hear you had an amazing experience. We truly appreciate your trust in our team and look forward to assisting you with any future roofing needs. Thank you again for choosing Roof Replacement Inc.!
  
 
     Posted on Yelp  
   
   Leslie G. 
 24 July 2026
 
 
 Verified My home in La Mirada was built in the 1950's, so my room was in need of some serious work. A friend reccomend Roof Replacement Inc and I was impressed with their previous work I had seen and their prices were reasonable. They worked in a timely manner to replace the shingles and give my home a fresh look. Thank you, Adolfo!

Owner's reply
Hi Leslie, Thank you so much for your thoughtful Yelp review! We're honored that your friend recommended Roof Replacement Inc. and that you trusted Adolfo and our team with your roofing project. Working on homes built in the 1950s often requires extra care and attention, and we're glad we could provide a roof replacement that not only protects your home but also gives it a fresh new look. It's wonderful to hear that you were happy with our workmanship, fair pricing, and timely completion. Thank you for choosing Roof Replacement Inc. for your home in La Mirada. Your recommendation and support mean a great deal to us. If you ever need roof inspections, maintenance, or repairs in the future, we're always here to help. Enjoy your beautiful new roof, and thank you again for your trust!
  
 
     Posted on Google  
   
   Todd Lerew 
 18 July 2026
 
 
 Trustindex verifies that the original source of the review is Google. +2
Adolfo and his crew did an incredible job on what turned out to be a very complex project. Our 100+ year old home hadn't had a proper roof replacement in probably more than 30 years. He was exceedingly professional and was very involved in personally making sure his crew did good work and we were satisfied that everything was fixed and done properly. They were not the cheapest of the many quotes we received, but considering the amount of work they ended up doing compared to the fact that other estimates were highly limited in the scope including number of layers of roofing they would remove, it ended up being totally reasonable and we are so glad we went with them!

Owner's reply
Thank you so much, Todd, for your outstanding 5-star review and for trusting Roof Replacement Inc. with your historic home. It was truly a pleasure working with you on such a unique and challenging project. Homes that are over 100 years old often require much more than a standard roof replacement, and we're glad we could provide a solution that addressed the underlying issues rather than simply covering them up. Our goal is always to deliver a roofing system that protects the home for many years to come. Adolfo and our entire team greatly appreciate your recognition of our professionalism, communication, and commitment to quality. We believe every project deserves hands-on attention, and we're happy to hear that our dedication to doing the job correctly gave you confidence throughout the process. Thank you for recognizing the value of the work that was completed. While we may not always be the lowest bid, we strive to provide honest assessments, comprehensive solutions, and quality craftsmanship that homeowners can rely on long after the project is finished. We sincerely appreciate your recommendation and the opportunity to restore and protect your beautiful historic home. If you ever need roof maintenance, inspections, or any future roofing services, the Roof Replacement Inc. team will always be here to help. – The Roof Replacement Inc. Team 🏡🔨

Roof Leak Repair in Granada Hills

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