Free roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Roofers in Westmont, CA
Roofing work in Westmont, CA comes with its own set of demands: older housing stock from the post-war boom, tight lot lines, and a coastal-influenced climate that punishes deferred maintenance. We’re Crestview Roofing, and we handle Roof Repair, Roof Replacement, and Roof Installation across every part of Westmont. When you call (325) 246-5075, you’ll get a written price before any work starts, plus a live trackable arrival time so you know exactly who’s coming and when. No four-hour windows, no surprises at the door.
Why Westmont Homes Are Different
The homes we work on in Westmont were largely built between the 1940s and 1970s. That means composition shingle roofs approaching or past their useful life, original plywood decking that’s never been inspected, and flashing – the metal strips that seal joints around chimneys, vents, and skylights – that’s often corroded from decades of salt air. Westmont sits close enough to the Pacific that morning marine layer lingers, keeping north-facing roof slopes damp and making moss and algae a real concern on shaded lots. We also see a lot of flat and low-slope sections on add-ons and garages, which need different materials and detailing than the main roof. If your home has original clay tile or shake, repair work requires matching profiles carefully. Permits in Westmont follow Los Angeles County standards, and any structural replacement of decking or sheathing means an inspection. We handle the paperwork and coordinate the inspection schedule so you don’t have to chase anyone.
Our Main Westmont Services
Most Westmont homeowners call us for one of two things: a leak that’s getting worse, or a roof that’s plainly at the end of its life. Here’s what each job involves in Westmont, and how we approach it.
Roof Repair in Westmont
Westmont’s older roofs fail in predictable ways – lifted shingles on wind-exposed ridges, rusted flashing at vent penetrations, and valley channels clogged with debris from overhanging trees. A repair starts with a full inspection, not a guess. We document everything with before-and-after photos, write the price on paper before we touch the roof, and every repair is covered by the 365-Day Done Right Promise. If it fails within a year, we fix it free. Roof Repair in Westmont is what we do most often, and it’s the job where a written price matters most.

Roof Replacement in Westmont
When a Westmont roof has multiple active leaks, curled shingles, or decking rot, replacing it is cheaper than chasing repairs. We tear off the old material, inspect the decking, replace any damaged plywood, and install manufacturer-backed materials from brands like GAF, Owens Corning, and CertainTeed. The written quote you approve is the invoice you pay – no change orders, no “we found more damage” phone calls unless it’s genuinely structural and you approve the line item first. Roof Replacement in Westmont is a bigger job, and it’s the one where our fixed pricing and photo documentation matters most.

Roof Installation in Westmont
New construction, ADUs, and full re-roofs on Westmont properties all fall under roof installation. The difference from replacement is scope: you’re starting from open framing or a bare deck, and the install has to be right the first time because there’s no old roof to compare against. We install using materials from Atlas, Tamko, and Boral as well as GAF and Owens Corning, and every installation gets the same written price, photo log, and digital invoice as any other job. Roof Installation in Westmont is coordinated with your GC if you’re building, and we keep the schedule tight so your project doesn’t stall waiting on dry-in.

What happens when you call
- 1
A real person answersNo phone trees – you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Brands We Service in Westmont
We install and repair roofs from GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral. Most common profiles are stocked locally, which keeps turnaround on standard repairs short. See our brands for the full list and what each one covers.
Pricing for Roofers in Westmont, CA
These ranges reflect what we quote on typical Westmont jobs. Your exact price depends on roof slope, decking condition, and material grade.
| Service | Typical range in Westmont |
|---|---|
| Standard shingle roof repair | $275 – $475 |
| Flashing replacement (chimney, vent, or valley) | $350 – $650 |
| Full roof replacement (composition shingle, typical ranch) | $8,500 – $14,000 |
| Flat roof section replacement (garage or add-on) | $2,200 – $4,800 |
| Decking repair per sheet (when rot is found) | $90 – $160 |
| Tile roof repair (matching existing profile) | $400 – $800 |
| Skylight replacement and resealing | $600 – $1,200 |
| Gutter replacement (standard ranch, 120 linear feet) | $1,400 – $2,600 |
What pushes a Westmont roof over the top of these ranges is usually decking rot – especially on homes where the roof has been patched repeatedly – plus steep pitch or tile profile matching. Whatever the job, the written price you approve before work starts is the number on your invoice. We don’t bill a dollar more unless you approve the change in writing first.
Neighborhoods We Serve in Westmont
Our crews work across the entire Westmont area. We don’t zone off neighborhoods or charge more depending on the block you live on. These are a few of the areas where we’re on roofs regularly:
- Westmont Central and the blocks around West 108th Street
- The residential pockets near Vermont Avenue and Normandie Avenue
- Homes along the Westmont/Inglewood border
- The older ranch-style blocks near West Athens and the 109 corridor
For standard repairs, we typically schedule within a few business days. For full replacements, we’ll give you a firm start date before work begins – and the live arrival tracking means you see the crew’s ETA on your phone, not a guess.
Service Area – Cities Near Westmont
If you’re just outside Westmont or split time between neighborhoods, we also cover the broader metro area. Los Angeles, CA is the big one – most Westmont jobs are coordinated through the brand’s Los Angeles office, but our crews live and work locally. We also serve San Diego, CA, San Jose, CA, and San Francisco, CA through the Relay Home Co. network.
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 Roofers in Westmont
For active leaks, we treat it as urgent. Call (325) 246-5075 and a live person answers, then we’ll get a technician out to Westmont as soon as we can. The live trackable arrival time means you don’t wait on a four-hour window. Every repair comes with the 365-Day Done Right Promise.
If the job involves structural changes – replacing decking, changing the roof structure, or altering sheathing – yes, Los Angeles County requires a permit and inspection. We pull permits and schedule inspections as part of the job. A surface repair like replacing shingles or resealing flashing usually doesn’t require one.
No. We quote the same labor and material rates across the Westmont area and nearby neighborhoods. What changes your price is the roof itself – slope, access, decking condition, and material grade – never the neighborhood name. Call (325) 246-5075 for a free estimate with a written price before any work starts.
What happens when you call
- 1A real person answersNo phone trees - talk to a local roofing pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Westmont Customers Say
"Gutters and drip edge done at the same time. No extra trips."
- Mia R."Leak near the chimney. They resealed the flashing and I got before and after photos by text."
- Troy N."Booked an inspection online and got a text with the inspector's name and ETA. He sent photos from the roof. Showed me the lifted shingles and fixed them the next day."
- Matt B.






Before
After
Before
After
Before
After