Architectural shingles
Metal roofing
Tile roofing
GAF
Owens Corning
Flat & low-slopeFree roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Fast, Reliable Roof Repair Across Westmont
Roof repair in Westmont usually costs between $350 and $1,200 for common fixes like shingle replacement, flashing repair, and leak sealing, with larger jobs like flat roof patches running higher depending on decking condition. Most repairs on Westmont’s 1940s-60s tract homes take one day once we’re on site. If you’ve spotted a stain on the ceiling or granules in the gutter after the last Santa Ana wind, call Ruben Acosta and the crew at Sunrise Roof Repair at (877) 752-3460 for a free estimate. We know the roofs in ZIP 90047 because we work on them every week, and we inspect before we recommend anything.

Why Sunrise Roof Repair Is Westmont’s Preferred Roof Repair Company
We’ve worked on enough Westmont homes to know what the marine layer does to a roof over forty or fifty years. The morning damp off the coast settles into low-slope roofs along Vermont Avenue and the streets branching off Century Boulevard, corroding fasteners on original built-up roofs and pulling at flashing around vents and pipes. Our Roof Repair team carries the right underlayment, sealants, and flashing for this exact housing stock, and we don’t push a tear-off when a targeted repair buys the homeowner another five to ten years.
Ruben Acosta has built Sunrise around a simple discipline: inspect the decking before touching the surface. On a 1952 low-slope tract home off the Westmont stretch near ZIP 90047, our crew responded after a Santa Ana wind event stripped the gravel surfacing off an original tar-and-gravel roof, leaving the underlying felt sun-exposed and flashing pulled at the penetrations. We inspected the decking first, replaced corroded fasteners and failed flashing, and laid new underlayment before coating options were discussed with the homeowner rather than defaulting to a full tear-off. That’s how we handle every call in Westmont: find what’s actually failing, fix that, and give the homeowner straight numbers to decide the next step.
We stock materials from seven manufacturers, so when a Westmont roof needs a specific shingle profile or a certain type of rolled roofing to match existing work, we can usually pull it same week. Free estimates, transparent line items, and no change orders mid-job because we measure and inspect before we quote.
Styles & brands we work with






Metal Roof Repair in Westmont
Metal Roof Repair in Westmont is a specific service we handle for the handful of metal-roofed homes and accessory buildings that sit among the area’s more common tar-and-gravel and composition roofs, often requiring panel replacement, seam resealing, and fastener replacement to stop leaks driven by Santa Ana wind-blown rain. Most Westmont metal roof repairs run from $450 to $1,600 depending on how many panels are compromised and whether the underlying decking or insulation took water. The marine layer here isn’t kind to exposed metal fasteners, so we replace corroded screws with coated fasteners rated for coastal moisture.
Seam and Fastener Work
Standing-seam and corrugated metal roofs leak most often at the seams and screw points, not through the panels themselves. On Westmont homes near the flats, wind-driven rain finds any seam where the sealant has dried or cracked after decades of UV. We clean the seam, apply the correct sealant for the panel profile, and reset or replace fasteners with the proper washers.
Panel and Flashing Replacement
When a Santa Ana event creases a panel or tears flashing at a roof-to-wall transition, patching isn’t enough. We’ll match the panel gauge and profile where possible, form and install new flashing, and check the surrounding area for hidden corrosion before the job is done.
Commercial Roof Repair in Westmont
Commercial Roof Repair in Westmont concentrates on the flat and low-slope commercial buildings along the Vermont Avenue corridor and around the small business districts near Century Boulevard, where built-up roofs and modified bitumen systems dominate. Typical commercial repairs here run $800 to $3,500 depending on the membrane type, the number of penetrations, and whether ponding water has already worked into the insulation. Westmont’s damp mornings keep flat commercial roofs wetter than they’d be in more inland areas, and that moisture accelerates membrane breakdown at seams and scuppers.
Built-Up and Modified Bitumen Patching
Most commercial roofs in Westmont are still built-up tar-and-gravel or modified bitumen, and the failure pattern we see most often is gravel loss followed by UV degradation of the felt below. We cut out wet insulation, patch the membrane, and restore surfacing where the roof remains sound enough to save. Repairs that skip insulation inspection just trap moisture inside and fail in the next rainy season.
Scupper, Drain, and Curb Repairs
Flat roofs fail at the details: scuppers, drains, curbs, and vents. We remove and replace deteriorated flashing at these points, reseal penetrations, and test drainage before we call the job done. If the roof is ponding because a drain is low or clogged, we’ll tell you that too, because patching a membrane won’t fix a grading problem.

Trusted Brands We Service in Westmont
Because Sunrise Roof Repair installs and services products from GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral, we’re not tied to a single brand when a Westmont homeowner needs a GAF repair in Westmont or work that matches existing materials. Need a few bundles of Owens Corning Duration shingles to blend with an existing color? We can get them. Need Boral clay tiles for a patio cover, or CertainTeed rolled roofing to patch a low-slope section? We carry those options. Seven brands, one contractor means the recommendation is driven by what your roof actually needs, not by what we happen to sell.
See the difference
Before
After
Before
After
Before
AfterCommon Roof Repair Problems We See in Westmont Homes
- Gravel loss on original tar-and-gravel roofs. After a Santa Ana event, wind strips the gravel off 50+ year-old roofs across Westmont, exposing the felt below to direct UV. Homeowners rarely notice until the felt cracks and water gets through.
- Corroded fasteners and failed flashing. The marine layer that settles over ZIP 90047 keeps low-slope roofs damp well into the late morning, and that condensation rusts the fasteners on 1940s-60s homes. The first leak usually appears at a pipe boot or vent.
- Decking rot from repeated small leaks. Westmont’s older tract homes often have original sheathing that has absorbed water over decades. A repair that patches the surface without checking the decking underneath just moves the problem to next winter.
- Poor drainage on flat roofs. Minimal attic ventilation and low-slope designs mean many Westmont roofs hold water longer than they should. Ponding accelerates membrane aging and makes future leaks more likely until the drainage is corrected.
Pricing for Roof Repair in Westmont, CA
Shingle replacement in Westmont typically runs $350 to $850 for a small to medium repair, while flashing repair lands between $400 and $900 depending on how many penetrations are involved. Flat roof patches on Westmont’s built-up and tar-and-gravel roofs start around $700 and can reach $2,500 when wet insulation has to be cut out and replaced. Vent boot repair is usually the least expensive fix at $250 to $450. What moves the price is what’s under the surface: if the decking is sound, the repair is straightforward; if the sheathing is soft, the job grows. Every estimate includes a line-by-line breakdown and a free inspection, so you’ll know the scope before you commit. Call (877) 752-3460 for a free estimate.
We Also Serve Cities Near Westmont
Sunrise Roof Repair works throughout the South Bay and South LA, including View Park-Windsor Hills, West Athens, Inglewood, and Lennox. Our crews know the housing stock and building codes in each area, and we schedule around the same marine-layer conditions that affect Roof Repair in Westmont. Wherever you are near the 110 and 405 corridors, call us at (877) 752-3460.
Serving Westmont, CA — Our Local Coverage Area
We’re based in the Westmont area and know this community well. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs About Roof Repair in Westmont
If the gravel is gone in patches and you can see the felt below, the roof needs immediate attention to stop UV damage, but it may still be repairable with new surfacing and flashing rather than a full tear-off. Call us at (877) 752-3460 for an inspection and we’ll tell you straight which path makes sense for your roof’s age and condition.
Repairs in Westmont need to meet the uplift requirements in California’s building code for wind-exposed areas, which means properly spaced and sized fasteners, correct flashing at edges and penetrations, and underlayment rated for the local wind zone. A cheap bid that skips these details will fail the same way the original roof failed.
Yes, because insurance companies want proof that repairs were done to current code, especially after a wind event. When we pull permits and provide documentation, the work is on record with Los Angeles County, and that gives you leverage in a claim or a renewal conversation that an undocumented patch cannot.
Put them side by side on three things: whether the decking was inspected, whether the quote includes underlayment and flashing replacement at valleys and penetrations, and whether the contractor pulls permits. A contract that omits any of these is not actually cheaper, it’s just incomplete, and the difference will show up the next time the wind blows.
Yes, because the lack of ventilation means more trapped moisture in the roof assembly, and that changes which underlayment and sealants we’ll use and whether we recommend adding passive vents as part of the repair. We factor the whole roof system into the quote, not just the leak.
Ready to get your roof checked? Call Ruben Acosta and the Sunrise Roof Repair team at (877) 752-3460 for a free estimate. We serve all of Westmont, ZIP 90047, and the surrounding South Bay and South LA cities.
Written by Ruben Acosta, Owner at Sunrise Roof Repair, serving Westmont and the South Bay area.