Metal roofing
Architectural shingles
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 Replacement Across Westmont
Roof replacement in Westmont typically runs $8,500 to $16,000 for a standard single-family home, with most jobs completed in two to four days once materials arrive. We know those numbers matter to you, because a reroof on a Westmont bungalow is a serious financial decision, not a quick fix. Our crews work throughout the 90047 zip code regularly and understand what these older, tightly packed homes demand. Call (833) 589-7971 and we’ll walk you through what your specific roof needs.
Unlike much of what you’ll read online, this page is built for Westmont specifically: county permitting, shallow-pitch roofing, tight lot access, and the particular way a Santa Ana wind event hits this neighborhood. Whether you need Roof Replacement or a full tear-off on a 1950s tract house, the details below come from hundreds of hours on rooftops right here in Westmont.
Why Hollywood Roofing Co Is Westmont’s Preferred Roof Replacement Company
Our reputation in Westmont comes from a decade of standing on these exact roofs: the shallow-pitch bungalows off Western Avenue, the compact tract homes near the 105, the tight-lot ranches where two houses share a property line and a fascia board. Homeowners here don’t need a roofing company that treats every job the same. They need someone who knows that pulling a tear-off on one roof means checking the neighbor’s slope for wind-blown debris the same afternoon.
Led by Roland Vega, our crews have replaced roofs across 90047 and heard the same questions from homeowners on nearly every street: Will a county permit slow this down? What happens when the Santa Anas lift my shingles? How do I keep my attic from cooking the new roof? We answer those questions with straight talk and a written scope of work before we ever set a ladder. That’s why our Westmont customers tend to find us through word of mouth rather than ads.
We stock common material profiles and underlayment for the older Westmont housing stock, which shortens turnaround for the typical tear-off here. When you call us about a reroof on a mid-century bungalow, we already know the access issues, the typical deck condition, and what the county inspector will look for. That local knowledge saves you time and money before the first shingle comes off.
Styles & brands we work with






New Roof Installation in Westmont
New roof installation in Westmont means a complete tear-off to the decking, fresh underlayment, new flashing, and a full shingle system built for the intense UV exposure these South LA roofs endure. If your bungalow’s original three-tab has been up there since the 1960s, this is the job we’re talking about. A full new roof installation in Westmont typically runs $9,500 to $16,000 depending on square footage, pitch, and the material you select.
We install across multiple material tiers so the decision is matched to your home, not to a supplier incentive. You get a genuine choice between premium, mid-range, and value-tier shingles from manufacturers we’re authorized to install, including CertainTeed, Owens Corning service in Westmont, IKO, and Atlas. Our role is to show you what each option costs on your specific Westmont roof and let you decide with real numbers in front of you.
When a Westmont Home Needs Full Replacement
On a typical Westmont bungalow, a full replacement makes sense when the decking has been compromised by years of sun and the occasional wind-driven rain. We find this most often on homes built before 1970, where the original underlayment has turned brittle and the flashing at valleys and penetrations has dried out. In those cases, patching buys you a season, not a solution.
Roland’s approach is honest: if a roof needs replacement, we tell you. If it needs repair, we tell you that too. We offer roof inspection as a standalone service, so you get a condition report you can act on at your own pace, not a sales appointment dressed up as an inspection.
What We Check Before Quoting a Westmont Job
Because Westmont is an unincorporated pocket of South LA County, we verify the permit path before we quote. That means checking record status, planning the inspection sequence around county turnaround times, and confirming access for materials. On a tight-lot home, we also scope how we’ll protect the neighboring roof during tear-off, since a dropped shingle from a windward slope becomes someone else’s problem fast.
Reroofing in Westmont
Reroofing in Westmont often means keeping the existing decking and replacing the shingle system above it, which is a common choice for the older tract houses here when the decking is still sound. On a mid-century home with a shallow pitch, a reroof typically runs $7,500 to $11,000, assuming no major decking replacement is needed. We scope this carefully: the decking on many Westmont homes has been sun-baked for decades, and what looks like a simple reroof sometimes becomes a partial deck replacement once we pull the old shingles.
The distinction matters. A reroof preserves your existing rafters and decking, but it only works when the structure underneath is still doing its job. On a Westmont bungalow with a low-pitch roof, that means we check for sagging between rafters, soft spots at penetrations, and the condition of the soffit before we recommend a reroof over a full replacement. That’s the honest conversation we have on the rooftop, not in a marketing brochure.
Reroofing on Shallow-Pitch Westmont Bungalows
Shallow-pitch roofs are the standard here, and they demand specific underlayment choices. We use ice and water shield in the valleys and at penetrations even on a reroof, because the rare winter rains in Westmont hit those low slopes hard and expose any failed flashing within the first storm. This isn’t an upsell; it’s the difference between a reroof that lasts 25 years and one that leaks in three.
How We Handle Tight Lot Access During a Reroof
Many Westmont homes sit close enough that the neighbor’s roof is a few feet from your drip edge. During a reroof, torn-off shingles and underlayment debris routinely lands on the adjoining roof, so we lay protective covering and inspect the neighbor’s windward slope after any job where wind is a factor. It’s standard practice for us on every tight-lot reroof in the area, and it prevents a two-house problem from becoming a liability.
Trusted Brands We Service in Westmont
We install materials from seven leading roofing brands, which means the recommendation for your Westmont roof is driven by what’s right for the home, not by what a single supplier stocks. On a typical 90047 bungalow, we’ll often recommend CertainTeed or Owens Corning for homeowners who want the longest warranty and best UV resistance, while IKO and Atlas get the nod for tighter budgets where a value-tier architectural shingle still makes sense. Because we’re authorized across the full portfolio, you get a real choice at multiple price points. We keep common Westmont material profiles in local supply, which shortens turnaround and means the shingle you picked isn’t backordered when your tear-off is halfway done.
Common Roof Replacement Problems We See in Westmont Homes
The issues we find on Westmont roofs track directly to this specific housing stock and climate. Here’s what we see most often when we get up on a 90047 roof:
- UV-brittled underlayment and dried-out flashing. Decades of intense South LA sun turns the felt underlayment to a crumbly shell. When the first real winter rain comes, failed flashing at valleys and penetrations lets water in fast, and the homeowner discovers the problem from inside the house.
- Santa Ana wind damage on windward slopes. After a wind event, crews in Westmont routinely find lifted or missing shingles on the windward slopes of older bungalows. Because lots are so tight, the debris often lands on the neighbor’s roof, turning a one-house repair into a two-house inspection.
- Ventilation failures from compact footprints and blocked soffit. Low-pitch tract houses with soffit that blocks airflow choke the attic. A cheap reroof that doesn’t address ventilation traps heat and cooks the new shingles from below, cutting their lifespan in half.
- Soft decking from years of undetected leaks. On homes where the previous roof was patched repeatedly, we find sections of decking that have gone soft around the penetrations. A reroof over that decking is money wasted, and we won’t do it.
See the difference
Before
After
Before
After
Before
AfterWhy Westmont’s Location Changes Roof Replacement Pricing
Westmont is unincorporated LA County, so a full reroof here runs on county permits rather than city of LA permits. That changes the inspection sequence and paperwork timeline before a single shingle goes on. On a typical Westmont job, we factor in county review time, a mid-project inspection once the underlayment is laid and flashing is in place, and a final inspection after the roof is complete. The timeline varies by season, but it’s predictable once we pull records for your address. This is one reason a Westmont reroof can look slightly different from a comparable job in a city like Inglewood a mile away.
Because lots are packed close, a tear-off doesn’t just affect your roof. The debris path matters. When we scope a Westmont job, we walk the adjacent property line to check how close the neighbor’s roof sits, whether the windward slope faces their home, and what we’ll need to do to protect their roof during demolition. That’s not a standard line item on a generic reroof quote, but it should be, because a Santa Ana wind event that lifts shingles on one shallow-pitch bungalow routinely drops debris onto the neighbor’s roof a few feet away.
On a mid-century bungalow off Western Avenue with a shallow-pitch roof, we pulled the old three-tab down to the decking and found sun-baked underlayment that had gone brittle under years of South LA UV. We rebuilt it as a two-layer system: ice and water shield in the valleys and a full synthetic underlayment field, then set GAF architectural shingles with a fresh starter strip and drip edge, checked the ridge vent, and inspected the neighbor’s windward slope for the shingles our tear-off had sent over. That’s what a Westmont reroof actually looks like when it’s done right.
Ventilation is another cost factor most quotes skip. On Westmont’s low-pitch, compact-footprint homes, a reroof that doesn’t address airflow will fail early. We check the soffit, ridge vent, and attic airflow before we quote, because a roof that traps heat cooks the new shingles from below. If we need to add or replace venting, that’s in the scope, not a surprise after the job starts.
Pricing for Roof Replacement in Westmont, CA
Here’s what a Westmont homeowner should expect to budget based on the jobs we actually do in 90047:
- Full new roof installation (tear-off, underlayment, flashing, architectural shingles): $9,500 – $16,000 for a typical 1,100 – 1,600 sq ft single-family bungalow.
- Reroof (shingle replacement over sound decking): $7,500 – $11,000, depending on pitch and material tier.
- Roof decking replacement (partial, per 4×8 sheet installed): $70 – $110 per sheet when framing is sound.
- Roof decking replacement (full, under a new roof): Adds $1,800 – $3,200 to the job, depending on square footage.
What moves the price: the pitch of your roof, whether we find soft decking underneath, the material you choose (a premium CertainTeed or Owens Corning architectural shingle costs more than a value-tier Atlas or IKO), and any ventilation work the home needs. We give you a written, line-item quote, and the number on that quote is the number the job costs. No change orders because we cut corners in the scoping phase. Call (833) 589-7971 for a free estimate on your Westmont roof.
We Also Serve Cities Near Westmont
Our crews work regularly in the communities around Westmont, so if you’re in Westmont or one of the neighboring pockets, we can be on your roof quickly. We serve View Park-Windsor Hills, West Athens, Inglewood, and Lennox, and we understand how the permitting and housing stock shifts from one to the next. Wherever you are, the same seven-brand material portfolio and the same straight-scope quoting process apply.
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 Replacement in Westmont
Westmont is unincorporated LA County, so your roof replacement runs on county permits rather than city of LA permits. That changes the inspection sequence and paperwork timeline, and it’s one reason you want a roofer who’s already familiar with the county’s process for 90047. We pull the permits for every job and handle the county inspections from start to finish. Call (833) 589-7971 and we’ll explain the current county timeline for your address.
Tight lots affect tear-off debris control, neighbor protection, and material staging. On a Westmont home where the adjacent roof is a few feet from your drip edge, we need protective covering and possibly a second inspection of the neighbor’s windward slope before the job closes out. That’s a real cost, and it should be in your quote, not buried in surprises after the work starts.
Because the older bungalows here have shallow pitches and windward slopes that take the full force of the wind. A Santa Ana event routinely lifts or removes shingles on those slopes, and since lots are tight, the debris often lands on the neighboring roof. It’s a specific Westmont failure mode, and it’s why we inspect the adjacent home after any windy tear-off. If your shingles are lifting, call (833) 589-7971 before the next rain exposes the underlayment.
Put them side by side on scope, not just price. Ask whether the quote includes county permitting, underlayment type (ice and water shield in valleys, not just felt), flashing replacement at every penetration, ventilation checks, and debris protection for adjacent roofs on tight lots. If one quote skips these and the other doesn’t, the cheaper quote is likely the more expensive roof in five years.
The compact footprints and blocked soffit on many Westmont tract houses choke attic airflow, which traps heat and cooks new shingles from below. A reroof that doesn’t address this will fail early regardless of the shingle brand. We check the soffit, ridge vent, and attic airflow before quoting, and if ventilation needs work, it’s in the scope from day one. Call (833) 589-7971 for an exact quote, and we’ll get on your roof to see what you’re actually working with.
Written by Roland Vega, Owner at Hollywood Roofing Co, serving Westmont and the surrounding South LA communities since day one.