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 Westminster
Roof replacement in Westminster typically costs between $14,000 and $32,000 for a standard 1,400 – 1,800 sq ft ranch home, and most jobs take 3 – 5 working days once permits clear. If you’re noticing granule loss in your gutters, soft spots at the eaves, or daylight peeking through the attic, your 1950s-era roof is telling you something. Our crews know the tract layouts, the low-slope framing quirks, and the permit paths for Westminster’s older subdivisions. Call (562) 512-7366 and we’ll come out, walk the roof with you, and put a written price in your hand before anything gets torn off.
Why Birchbark Roofing Long Beach Is Westminster’s Preferred Roof Replacement Company
Westminster homeowners keep calling us back because we treat the house like someone’s home, not a job site. We run background-checked, uniformed crews on every job, so you know exactly who’s walking through your gate and climbing onto your roof. Our crews put shoe covers at the front door, drop cloths through the hallway, and they photograph the completed clean-up before they pull out of the driveway. That’s the Westminster standard we hold, and it’s written into every contract.
Erik Lindgren oversees every Roof Repair in Westminster job with one rule: the price you sign is the price you pay. If a tear-off uncovers rotted decking or sagging framing, we price the fix in writing and get your approval before we pick up a single tool. The 365-Day Done Right Promise covers the entire replacement: if something isn’t right, we come back and make it right. No arguing, no renegotiating. It’s stamped on every job we do.
We’re part of the Cedarwell family of independently owned roofing businesses, going back to 2000. That means every Westminster roof follows the Cedarwell Care Promise: Clean up like it’s our own home, Ask before we move or touch anything, Respect your family’s time and quiet hours, and Explain the price before the work. You’ll see the same four values at every step of the job, from the first estimate to the final photo of your clean driveway.
Styles & brands we work with
New Roof Installation in Westminster
New roof installation for a Westminster home means a full tear-off down to the rafters, replacement of any rotted decking, fresh underlayment, new flashing, and a complete shingle or low-slope system built to current California code. For most of the single-story ranch homes we see around Bolsa Avenue, Goldenwest Street, and the Westminster Colony tract, a full new roof runs $14,000 to $32,000 depending on square footage, pitch, decking condition, and material grade. You’ll see your exact number in writing before we order a single bundle of shingles.
When Westminster Homes Need a Brand New Roof
Most homes in Westminster were built between 1955 and 1975, and many are on their second or even third roof. If your shingles are curling at the edges, your roof is shedding granules into the gutters, or you’ve got water stains on the ceiling after winter rains, it’s time. The mild Mediterranean climate here means roofs fail slowly, but the wet winter/dry summer cycle causes constant expansion and contraction that eventually cracks shingles and breaks seals. By the time a Westminster roof reaches 20 – 25 years old, the decking underneath is usually the real problem.
Asphalt and Architectural Shingle Systems
For pitched sections, most Westminster homeowners choose dimensional architectural shingles from GAF or Owens Corning. They hold up better against the Santa Ana winds that rip through the city in fall, and they carry 25 – 50 year manufacturer warranties. We also install CertainTeed and IKO systems when a homeowner has a specific color or profile in mind. The key in Westminster is not the shingle itself, it’s what’s underneath: proper ice and water shield at the low-slope eaves, full felt or synthetic underlayment, and new drip edge all around.
Reroofing in Westminster
Reroofing a Westminster home usually means removing one to three layers of old roofing before anything new goes down. For the 1950s and 1960s tract homes that dominate this city, that tear-off is the single most important part of the job, because almost every original roof has a cedar shake layer buried under asphalt shingles. Reroofing costs in Westminster run $16,000 to $34,000 depending on how many layers need to come off, whether decking replacement is required, and whether the framing needs reinforcement. You’ll get the exact number in writing, and if the tear-off reveals hidden rot, we price the fix before we start on it.
Tear-Off and Decking Reality on Westminster Ranch Homes
Here’s what we find on nearly every reroof in the Westminster Colony tract: original 1950s wood shake roofs with two or three layers of composition shingle laid over them. That’s a lot of dead weight on 2×4 or 2×6 rafters that were never engineered for it. When we strip everything down, we routinely find sagging decking at the eaves where ponding water sat for years, and ridge framing that has deflected under the load. We replace the rotted plywood, reinforce the framing where needed, and bring the roof up to current code before the first new shingle is nailed on.
Low-Slope and Flat Roof Solutions
Westminster has a huge number of nearly flat or true flat roof sections on its post-war ranches, and those need a different system than a pitched shingle roof. We install built-up or modified bitumen systems for true flat roofs, and self-adhered or torch-applied membranes that resist ponding water. For low-slope sections between 2:12 and 4:12, we often recommend a peel-and-stick underlayment with a cool-roof coating that meets California Title 24 requirements. The goal is simple: water should never get a chance to soak into the decking.
Trusted Brands We Service in Westminster
Birchbark Roofing Long Beach installs and services roofing systems from GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral. For Westminster’s mix of pitched ranch roofs and low-slope additions, we most often recommend GAF Timberline HDZ architectural shingles for steep sections and CertainTeed Flintlastic SA for low-slope areas. We keep a local stock of starter strips, ridge caps, and underlayment in our Los Angeles-area warehouse, so when a Westminster job needs material mid-project, we’re not waiting on a truck from out of state. Dispatch and scheduling are coordinated from our Los Angeles office, but the crews who show up at your Westminster home live and work in this area.
See the difference
Before
After
Before
After
Before
AfterCommon Roof Replacement Problems We See in Westminster Homes
- Rotted eave decking from ponding water. The nearly flat roofs on 1950s ranch homes create low spots where rainwater sits for days after winter storms. That water saturates the built-up gravel or shingle layers and rots the original plywood at the eaves, which means a full deck replacement instead of a simple overlay.
- Ridge sag from buried shake roofs. The original Westminster Colony tract homes often still have their 1950s cedar shake roofs under two or three layers of asphalt shingles. The combined weight exceeds what the original 2×4 and 2×6 rafters were designed to carry, causing visible ridge deflection and nail pops that crack brand-new shingles within a year if the old layers aren’t removed.
- Santa Ana wind damage at the rake edges. Fall winds rip composition shingles off at the gable ends, exposing torn underlayment that lets wind-driven rain soak the soffit and fascia. We see hidden rot in these areas on nearly every Westminster tear-off, even when the roof looked fine from the ground.
- Failed low-slope underlayment. Westminster’s dry summers bake old felt underlayment until it cracks, and the winter rains find every seam. On low-slope sections, a peel-and-stick underlayment with a Title 24 compliant reflective coating is the most reliable fix we install.
Pricing for Roof Replacement in Westminster, CA
A full roof replacement on a standard Westminster ranch runs $14,000 to $32,000. Reroofs with multiple layers to strip and decking replacement run $16,000 to $34,000. A simple overlay, where allowed, starts around $11,000, but on most Westminster homes an overlay isn’t code-compliant because the old shake layers and deck rot require a full tear-off. Square footage is the biggest driver: a 1,200 sq ft home in the Midway City area will land on the lower end, a 2,000 sq ft home near Bolsa Chica Road with a flat addition and an attached garage will run higher. The material grade you choose also moves the number. Architectural shingles from GAF or Owens Corning add $1,500 to $4,000 over standard three-tab. The written price we give you before work starts is the full job, no change orders unless you approve something extra in writing. Call (562) 512-7366 for your free estimate.
We Also Serve Cities Near Westminster
While this page focuses on Roof Replacement in Westminster, our crews regularly work in Huntington Beach, Stanton, Hawaiian Gardens, and Long Beach. If you’re in a neighboring city and need a new roof or a re-roof, the same written-price promise and Roof Replacement standards apply. Call us and we’ll schedule your estimate.
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 Replacement in Westminster
Because Westminster’s 1950s and 1960s ranch homes were built with nearly flat roof pitches that pond water at the low points. Every winter rain soaks the built-up gravel or asphalt shingle layers, and the water sits there for days, rotting the original plywood decking at the eaves. We see this on the majority of tear-offs in the Westminster Colony tract, which is why our written estimates include a per-sheet decking replacement allowance so you’re not surprised by the final number. Call (562) 512-7366 and we’ll inspect your eaves before you decide anything.
Most original Westminster ranch framing was built for a single layer of cedar shake or composition shingle, not the three or four layers many homes now carry. Adding another layer on top of buried shake roofs can push the rafters beyond their design load, causing ridge sag and cracked drywall inside. The safe approach is a full tear-off down to the original decking, then we assess the framing before any new material goes on. If reinforcement is needed, we price it in writing and you approve it before we proceed.
Yes, Westminster requires a building permit for any full roof replacement, and the city will inspect the job at specific stages. What triggers code upgrades is the condition of what’s underneath: if we expose rotted decking, undersized framing, or improper ventilation, the inspector will require us to fix it. We pull the permit, schedule the inspections, and handle the paperwork so the job passes. You’ll never be asked to talk to the city directly on our jobs.
For low-slope sections between 2:12 and 4:12 pitch, we recommend a peel-and-stick self-adhered underlayment paired with a Title 24 compliant reflective coating, which seals against standing water better than felt or traditional shingles. For true flat roofs, a built-up or modified bitumen membrane with proper drainage tapering is the most reliable system we install in Westminster. The material choice matters less than the slope correction and drainage, which we always address before recovering the roof.
Yes, a cool roof can reduce your summer cooling costs by 10% to 20% on a typical Westminster ranch, because the reflective surface sends solar heat back instead of absorbing it into the attic. California’s Title 24 energy code requires cool roof ratings on most residential reroofs, so you’re getting the energy savings as part of a code-compliant job. For Westminster’s long, hot inland summers, a reflective coating on a low-slope section makes a noticeable difference in the rooms directly underneath. Call (562) 512-7366 for an exact quote on a Title 24 compliant system.
If your Westminster roof is at the end of its life, don’t wait for the next winter rain to find the leaks. Call (562) 512-7366 or reach out online and we’ll schedule a free estimate. Erik Lindgren and the Birchbark Roofing Long Beach crew will walk the roof with you, show you what’s failing, and hand you a written price before any work starts. No pressure, no surprises, just a clear picture of what your roof needs and what it costs.
Written by Erik Lindgren, Owner at Birchbark Roofing Long Beach, serving Westminster and surrounding Orange County communities.