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Flat & low-slopeFree roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Fast, Reliable Roof Repair Across Westminster
If you’ve spotted a water stain on the ceiling or a shingle in the yard after last week’s wind, you need a roof repair crew that knows Westminster’s older ranch homes. Most repairs on these 1950s-1970s houses run between $350 and $1,400 depending on what we find once we’re on the roof. We’re scheduling Westminster jobs every week, and our crews know the original Westminster Colony tract well because we’ve torn off three-layer roofs on dozens of them. Call (562) 512-7366 and a live person answers, day or night.

Westminster’s roofing problems aren’t like Seal Beach or Fountain Valley. The original shake roofs buried under shingles, the low-slope built-up gravel, the eaves that have been soaking for decades – these are the failures we see week after week. We plan for what’s actually under your roof, not what a satellite photo suggests. That’s why our written price accounts for the real scope before we start, never after.
Why Birchbark Roofing Long Beach Is Westminster’s Preferred Roof Repair Company
Westminster homeowners call us because we name exactly what we’ll do and what it costs, in writing, before any work begins. Every job includes shoe covers at the door, drop cloths through the hallway, and a photo of the completed clean-up before the crew leaves. Those aren’t add-ons. They’re standard on every visit, part of the Cedarwell Care Promise that Erik Lindgren, our owner, holds every job to.
Reviews from Westminster customers consistently mention the same things: the crew arrived when we said they would, the price didn’t move, and the yard was cleaner than they found it. That’s not an accident. Background-checked, uniformed technicians show up in marked trucks, and a live person answers every call 24/7. If something isn’t done right, our 365-Day Done Right Promise means we make it right. That guarantee is stamped on every repair we perform in Westminster.
And because we’re part of the Cedarwell family of independent local roofing businesses since 2000, we have the materials access and training depth of a large organization while still operating like a local crew that knows your block. Dispatch and scheduling are coordinated from our Los Angeles office; the crews working on your roof live and work in the Westminster area.
Styles & brands we work with






Metal Roof Repair in Westminster
Metal Roof Repair in Westminster typically runs from $450 to $2,200, depending on whether we’re replacing a damaged panel, re-securing fasteners, or rebuilding a penetration like a vent pipe or skylight curb. Most Westminster homes with metal roofing have it on additions, patio covers, or detached garages rather than the original house, since the original tract homes were built with composition or shake roofs. When a seam fails or a screw backs out, you get a leak that follows the purlin and shows up far from the actual hole – usually at an interior light fixture or along a beam.
The fix starts with finding the actual source. Metal roofs hide leaks well. Water travels sideways along ribs and channels, so the stain on your ceiling might be eight feet from the breach. We trace it back, then replace the failed components rather than smearing sealant over the problem and hoping.
Fastener and Seam Repairs
On Westminster homes with corrugated or standing-seam panels, the most common failure is gasketed screws that have dried out after 15-20 years of thermal cycling. Each screw hole gets a new neoprene-gasketed fastener, and any seam that has opened beyond manufacturer tolerance gets re-seamed or overlaid with a compatible panel. Expect to pay $450-$900 for a typical fastener replacement across a patio cover or garage.
Penetration and Flashing Rebuilds
Pipe boots, exhaust vents, and skylight curbs on metal roofs need flexible flashing that can move with the metal. When that flashing splits, water pours in during any real rain. We remove the old boot, inspect the decking beneath, and install a proper storm collar or custom curb flashing. Most penetration rebuilds in Westminster run $300-$800 depending on access and roof pitch.
One note on Westminster specifically: metal roofs on older ranch homes were often installed over the original shingle roof to avoid a tear-off. That adds weight and traps heat, shortening the underlayment’s life. If you’re seeing recurring leaks around fasteners, the problem may be moisture trapped between the metal and the old shingles, not the metal itself. We’ll tell you honestly what it is, and what it costs to fix correctly.
Commercial Roof Repair in Westminster
Commercial Roof Repair in Westminster ranges from $600 for a simple membrane patch to $8,000+ for a full low-slope recovery on a larger retail or industrial building, with most repairs landing between $900 and $3,500. Westminster’s commercial stock includes strip-center retail along Westminster Boulevard and Beach Boulevard, older industrial buildings near the 22 freeway, and a number of low-slope built-up roofs on 1960s and 1970s construction. These roofs fail differently than residential shingle roofs: ponding water, cracked flashings at parapet walls, and split seams in the membrane.
Ponding is the big one. A roof that holds water 48 hours after a rain is actively shortening its own life. In Westminster’s winter wet season, that’s every other roof over retail and industrial space. Standing water finds every crack, every seam, every questionable penetration, and works on it until it leaks. Repair means first addressing drainage – clearing clogged scuppers, adding crickets, or fill-coating low spots – then repairing the membrane itself.
Membrane Patches and Seam Repairs
For single-ply roofs (TPO, PVC, EPDM) on Westminster commercial buildings, seam failures and punctures from foot traffic or debris blown by Santa Ana winds are the most common calls we get. We heat-weld or adhesive-bond a patch that matches your existing membrane, after cleaning and priming the area. A typical patch runs $600-$1,500 depending on size and membrane type. We also inspect surrounding seams, because one split seam usually means more are close behind.

Built-Up Roof Repairs and Coatings
Westminster’s older commercial buildings often still have built-up gravel roofs, and these need different work. Cracked flashings at parapets and edges get stripped, re-fabricated, and re-installed with proper membrane adhesion. Blisters get cut out and patched. Then we recommend a reflective elastomeric coating to meet Title 24 cool roof requirements and add years of service life. Coatings on a typical Westminster strip-center bay run $2,500-$7,000 depending on roof condition and square footage.
We understand commercial roofs mean business below. Leaks over inventory, a compressor room, or retail shelving aren’t a homeowner nuisance – they’re lost revenue. We schedule around your operating hours when possible, seal off work areas from dust and debris, and always leave a written report of what we repaired and what we saw, along with photos.
Trusted Brands We Service in Westminster
We install and repair roofing systems from CertainTeed, Owens Corning, and IKO, among others, and we match your existing roof when a patch or section replacement is the right call. For Westminster’s older ranch homes, matching means finding a shingle color and profile that doesn’t announce itself. We keep common regional colors and profiles in local stock so a repair doesn’t wait two weeks for a special order. Whether your roof is architectural shingle, three-tab, or a modified bitumen low-slope system, we quote the repair with the right material from the start. That’s what makes the written price reliable – you know exactly what product goes on your roof, not just “roof repair.”
See the difference
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Before
AfterCommon Roof Repair Problems We See in Westminster Homes
- Ponding water on low-slope roofs: Westminster’s original tract homes were built with slopes too shallow to shed water fast. After winter rains, water pools and slowly works through cracked flashings at the eaves. This is the single most common leak source we repair, and it usually means rebuilding the flashing, not just re-sealing it.
- Wind-torn shingles from Santa Ana events: The same winds that knock over patio furniture tear loose aging composition shingles on 1950s-1970s ranch homes. Missing shingles expose underlayment, and the next rain becomes an interior leak. We often find the first missing shingle is just the visible edge of a larger problem – dried-out seal strips across the entire slope.
- Decayed eaves and soffits from decades of moisture: Westminster’s original wood framing has been absorbing moisture at the rafter tails and soffits for 50-70 years. When we pull up shingles at the eave line and find spongy decking, that’s a structural repair, not a shingle replacement. Sagging or soft eaves mean the repair scope and cost both grow – always disclosed in the written price before we start.
- Original shake roofs buried under shingles: In the Westminster Colony tract and surrounding neighborhoods, original 1950s cedar shakes are often still under two or three layers of modern shingles. That’s dead load the framing was never designed for. Tear-offs become slower, disposal costs rise, and the labor estimate goes up compared to a newer home – facts we explain honestly in your estimate.
Pricing for Roof Repair in Westminster, CA
Here’s what Westminster homeowners can expect to pay for common repairs, based on the jobs we’ve completed in the city. A typical shingle replacement at the eave or field of the roof runs $350-$800. Valley and flashing repairs run $500-$1,800 depending on whether we’re just re-fabricating metal or also replacing damaged decking beneath. A flat roof patch on a low-slope built-up or modified bitumen roof runs $400-$1,200. The big cost driver in Westminster specifically is what we find under the top layer: original shakes, rotten sheathing, or sagging framing. We show you the number in writing before we start. Call (562) 512-7366 to schedule a free estimate – and that estimate itself includes a photo review of your roof’s condition.
Every quote is a fixed, written price. No change orders, no “we found something” phone call that doubles the bill. If we find additional damage after tear-off, we discuss it with you, show you photos, and you approve the next step before we proceed. That’s the Cedarwell Care Promise at work: Explain the price before the work.
We Also Serve Cities Near Westminster
Our crews work throughout the Westminster area, and we regularly handle Roof Repair jobs in Huntington Beach, Stanton, Hawaiian Gardens, and Long Beach. If you’re just outside Westminster, call anyway – our service area stretches across northwest Orange County, and we’ll tell you honestly if we can help. The written price and the Care Promise apply everywhere we work.
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 About Roof Repair in Westminster
Because Westminster’s original 1950s Westminster Colony tract homes often still carry their original cedar shake roofs buried under two or three layers of asphalt shingles. That’s significantly more material to remove, more weight in the trailer, higher disposal fees, and more labor hours than a single-layer tear-off on a newer home. The framing underneath was also designed for the original shake load, not the added shingle weight, so we inspect framing and decking more carefully and often replace more wood. Expect a tear-off on one of these homes to run 30-50% more than a single-layer tear-off. Call (562) 512-7366 and we’ll walk you through exactly what’s on your roof and what it costs to remove it.
Ponding water, by a wide margin. The original tract homes have slopes too shallow to shed water quickly, and after Westminster’s winter rains, water sits against flashings, penetrations, and seams until it finds a way through. The damage usually shows up as dry rot at the eaves and rafter tails. We repair the drainage issue first – adding crickets or fill-coating low spots – then rebuild the flashing or membrane. If your roof holds water more than 48 hours after rain, call (562) 512-7366 and we’ll assess it before the next winter.
Yes, when you replace or significantly repair a roof surface in Westminster, California’s Title 24 building energy standards apply, including cool roof requirements for the roof’s solar reflectance and thermal emittance. What that means practically: we recommend materials that meet the state’s cool roof ratings, which for Westminster’s flat and low-slope homes often means a reflective coating or an ENERGY STAR-rated shingle. We’ll tell you which products qualify, show them in the written price, and pull permits when your project requires them. Call (562) 512-7366 and we’ll explain exactly which requirements apply to your roof.
Santa Ana winds are the reason we fasten and seal shingles differently on Westminster homes than we would on a sheltered lot. Wind-driven rain and debris are the two failure modes: wind lifts the shingle tabs, breaks the seal strip, and then the next rain enters sideways and leaks. We use high-wind installation practices – more nails per shingle, proper sealant patterns, and hand-tabbing at the rakes – when we repair wind-damaged areas. This is also why we inspect the entire slope after a wind event, not just the missing shingle you can see from the ground. Call (562) 512-7366 after the next Santa Ana blows through and we’ll check your roof thoroughly.
Yes, in most cases we repair just the valley flashing without re-roofing, especially if the surrounding shingles are in usable condition. Valleys on older Westminster ranch homes fail because original metal has rusted or lifted, or because a previous repair layered shingles over the flashing incorrectly. We strip the valley down to decking, replace any moisture-damaged sheathing, install full ice and water shield, then re-flash with the correct metal and re-shingle the valley. Cost for a valley repair typically runs $500-$1,800 in Westminster depending on valley length and decking condition. Call (562) 512-7366 for an exact written quote, always free.
Our team recently repaired a roof on a ranch-style home in the Westminster Colony tract where a leaking valley was caused by original cedar shakes buried under three layers of asphalt. We stripped the valley down to decking, found moisture-damaged sheathing, replaced it, and installed full ice and water shield before laying new architectural shingles – restoring proper drainage without overloading the dated framing. That kind of job has us opening the roof with a clear plan and a fixed price, so there are no surprises for the homeowner.
Need roof repair in Westminster? Call (562) 512-7366 now. A live person answers, we’ll schedule your free estimate, and you’ll get a written price before any work starts. Shoe covers at the door, drop cloths through the hallway, and a photo of the clean-up before we leave. That’s how roofing should be done.
Written by Erik Lindgren, Owner at Birchbark Roofing Long Beach, providing roof repair throughout Westminster and northwest Orange County.