Kitchen remodeling
Bathroom remodeling
Home additions & ADU
Roofing
Windows & doors
Driveway & pavers
FenceFree written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
CertainTeed Construction in Westminster, CA | San Mateo Construction
We provide independent CertainTeed construction service across Westminster, CA, handling roof replacement, roof repair, and full kitchen remodeling under a single contract. What makes our CertainTeed work different here comes down to one thing: we schedule roofing and siding scopes alongside the interior build-outs that define this city’s Little Saigon commercial corridor and its converted-garage ranch homes. Call us at (855) 901-7266 for a free estimate. We are an independent contractor, not a CertainTeed-authorized dealer, and every scope we write is our own engineering judgment backed by documented installations.
Why Westminster Residents Choose Us for CertainTeed Service
We’ve installed CertainTeed roofing, siding, and trim assemblies across Orange County for years as an independent contractor, including Garden Grove CertainTeed service and nearby cities. We know how Landmark architectural shingles, Presidential Solaris, WeatherBoards fiber cement siding, and Cedar Impressions vinyl panels hold up in coastal-inland conditions, not just how they look in a showroom. Noel Carrington grew up helping his father pour concrete footings in San Mateo, studied construction technology at Skyline College, and spent nearly three decades on residential and light commercial jobs before building our Westminster service routes. That background matters when you’re deciding whether a 1960s ranch roof off Bolsa Avenue needs a repair or a full tear-off. We use CertainTeed shingles, underlayment, and accessory flashings proportional to what the assembly actually needs, and we specify quality aftermarket fasteners and edge metal where a certain spec would fail in a sun-baked roof context.
Styles & brands we work with







Common CertainTeed Construction Problems We Solve in Westminster
- Landmark shingle granule loss and seal-tab failures on west-facing ranch roof planes. Westminster’s dry summer heat and decades of UV embrittle shingles long before the underlayment fails. We see this constantly on the single-story stucco tracts built in the 1950s through 1970s, especially where an original roof plane faces the afternoon sun with no shade. When granule loss hits the mat, the shingle is done; when it’s surface-only, we repair.
- WeatherBoards fiber cement siding wicking and paint peeling at end grain and butt joints. Older stucco-and-wood-framed tracts in Westminster trap moisture behind cladding, especially where a long-run dry rot from a masonry wall or a leaking hose bib goes undetected. The siding absorbs water at the cut edges and the paint fails early. We cut back the damaged sections, re-flash, and re-install with proper clearance at grade and terminations.
- Ridge and valley flashing corrosion on re-roofed 1950s – 1970s tract homes. Many Westminster roofs have been re-roofed once before, and too many crews left the old galvanized fasteners and flashing in place under a new layer of shingles. The corrosion migrates and creates leaks at the ridge and valleys. We strip those sections, replace the flashing, and re-shingle with Landmark to match the surrounding field.
- Cedar Impressions panels cracking or deforming on south- and west-facing walls. When vinyl siding is not properly vented and the stucco behind it traps heat and moisture, the panels warp. We see this on Westminster homes where a previous owner sided over original stucco without furring strips or a drainage plane. The fix is removal, proper venting, and re-installation with correct nailing and clearance.
- Low-slope transitions on converted garage and rear addition roofs. Westminster has a massive share of garage conversions and rear additions built to house extended family. The roof transitions between the original house and the addition often get dried-in with old flashing and unsealed penetrations, then fail. We sister rafters, re-deck, and tie the low-slope portion back into the main roof with Landmark, new ridge vent, and drip edge.
CertainTeed Service in Westminster: What Local Conditions Mean for Your Equipment
Westminster’s construction demand runs through a very specific engine: the Little Saigon corridor along Bolsa Avenue in ZIP 92683. Restaurant and salon build-outs there constantly need grease-trap, Type I/II hood, and occupancy upgrades, and those clients typically want a Vietnamese-speaking crew and inspector. That shapes how we schedule roofing and siding scopes on those buildings, because the roof work has to sequence around the interior build-out without shutting the business down. A pho restaurant on Bolsa cannot close for a week while we tear off a roof; we phase the work. A nail salon with a leaking valley cannot have water coming through the ceiling while clients are in chairs. The same holds for the residential blocks around it: many homeowners have converted garages into in-law suites, and the roof plane over those conversions is often sagging and holding moisture. We plan every CertainTeed scope around those realities, not around a generic tract-home schedule.
CertainTeed Models & Products We Service in Westminster
We service and install the full CertainTeed roofing and siding line, including Landmark architectural shingles, Presidential Solaris, WeatherBoards fiber cement siding, and Cedar Impressions vinyl siding. Our parts approach is OEM-first: we specify CertainTeed shingles, underlayment, and accessory flashings proportionally to what the assembly needs, then use quality aftermarket fasteners and edge metal where we know a stock spec would fail in Westminster’s sun-baked roof context. We keep common Landmark color profiles and WeatherBoards trim stock on hand for quick Westminster turnaround, so a repair on a 1960s ranch off Westminster Boulevard doesn’t sit open for two weeks while parts ship. If you need CertainTeed sales & service with real material knowledge behind it, we’re the crew for the job.
See the difference
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AfterCertainTeed Service Pricing in Westminster
What drives a CertainTeed roof or exterior scope in Westminster is the condition of the sheathing and flashing underneath, not the shingle line alone. A straight re-roof on sound decking costs less than a job that requires sistering rafters on a converted garage. A kitchen remodel alongside a roof replacement gets priced as a single scope with one contract, not two overlapping bids. Here are our current Westminster ranges:
| Service | Price Range |
|---|---|
| Roof Replacement | $8,000 – $20,000 |
| Roof Repair | $400 – $1,800 |
| Kitchen Remodel | $14,000 – $45,000 |
Every estimate is free and written line-item, with the permit scope and inspection pass included where Westminster building codes require it. Call (855) 901-7266 and we’ll walk the property first, then give you a number that won’t move once work starts.
Serving Westminster, CA — Our Local Coverage Area
We’re based in the Westminster 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 – CertainTeed Construction in Westminster
Yes. Converted garages and rear additions make up a huge share of Westminster’s housing stock, and we’ve done many of these. On a 1960s ranch off Bolsa Avenue in 92683, our crew replaced a Landmark roof on a rear addition that had been dried-in with old flashing and unsealed penetrations, then patched and re-flashed the transition to the existing single-ply section while coordinating sidewalk and dumpster placement with the city. The homeowner had converted the garage into an in-law suite, and the roof plane over the converted section was sagging and holding moisture. We sistered rafters, re-decked, and installed Landmark with a new ridge vent and drip edge. The whole scope was signed off in one inspection pass, and the homeowner has not had a leak since.
Landmark shingles hold up well in Westminster’s coastal-inland climate and in neighboring CertainTeed repair in Huntington Beach, but they are not immune to UV. West-facing roof planes take decades of afternoon sun and heat, and the granules eventually loosen. When granule loss is surface-level, the shingle still has life. When the mat shows through, it’s done. We inspect for this specifically on the older 1950s – 1970s tract homes and give you an honest read on repair versus replacement. Call (855) 901-7266 for a roof assessment.
Yes. Bolsa Avenue’s restaurant and salon build-outs are a big part of our Westminster work. Those buildings need grease-trap, Type I/II hood, and occupancy upgrades, and the roofing and siding scopes have to fit around a business that stays open while we work. We phase the work, handle the city’s sidewalk and dumpster rules, and keep the interior schedule moving. Tell us what you actually need, and we’ll figure out the right way to build it.
In Westminster, a CertainTeed roof replacement runs $8,000 to $20,000 depending on the roof size, sheathing condition, and whether the job includes a low-slope tie-in or a converted garage section. Roof repairs run $400 to $1,800. The number that matters is the one we give you after walking the property; that’s the free estimate. Call (855) 901-7266 for an exact quote.
Yes, and this is one of the reasons to work with a single contractor. We run the roofing scope and the interior remodel under one contract, one schedule, and one inspection timeline. You’re not coordinating a roofer and a kitchen crew separately. A full kitchen remodel in Westminster or CertainTeed in Stanton runs $14,000 to $45,000, and it’s often sequenced with a re-roof on the original 1960s ranch while the addition or garage conversion gets tied back in. Call (855) 901-7266 to schedule both scopes together.
Service Areas Near Westminster
Our crews cover Westminster and the surrounding Orange County communities. We also run Westminster service area routes into San Mateo, Burlingame, Highlands-Baywood Park, Foster City, Hillsborough, and Belmont when schedules align with a larger scope. If you’re nearby, we’ll come out and give you an honest read on your CertainTeed roof or exterior. We also provide CertainTeed service in Yorba Linda and CertainTeed service in Los Serranos for homeowners in those areas.
Book Your CertainTeed Service in Westminster Today
We’re taking new Westminster roofing, siding, and kitchen remodel scopes now. Call (855) 901-7266 for a free, written line-item estimate, and we’ll walk the property before we quote anything. Same-week scheduling is available for many roof repairs and assessments.
Written by Noel Carrington, Owner at San Mateo Construction, serving Westminster and Orange County.