Tile roofing
Architectural shingles
Metal roofing
GAF
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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 Replacement Across Westminster
Roof replacement in Westminster typically runs $12,000 – $22,000 for a standard single-story tract home with architectural asphalt shingles, depending on how many old layers need tearing off and whether the decking below has failed. We work throughout ZIP codes 92683, 92684, and 92685, and we know the houses here: mid-century ranches, carport additions, and shallow-pitch roofs that punish any flashing mistake the first time it rains. Call (833) 467-4846 to schedule a free inspection and written quote. We look before we quote, and we’ll tell you straight what your roof actually needs.
Why Tilecraft Roofing Is Westminster’s Preferred Roof Replacement Company
Westminster homeowners tend to be careful researchers, and they should be. Much of the housing stock here is aging at the same rate, which means roof work is a neighborhood conversation as much as a household decision. We’ve re-roofed blocks where three or four neighbors scheduled inspections within the same year after comparing notes. That kind of word-of-mouth reputation matters in a city this dense, and it’s built on telling people the truth about their roof rather than pushing a replacement that isn’t warranted yet.
We carry material options from seven roofing manufacturers – GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral – which means the recommendation you get is based on your roof, not on whatever we happen to have sitting in the shop. Ruben Castellano leads our crews with a simple rule: repair when repair is right, replace when it’s not. Our Roof Replacement work starts with an inspection that stands alone as a service. You can hire us to assess the roof without any expectation that the next call is a sales pitch.
Response time to Westminster from our Santa Ana location is straightforward: most inspections get scheduled within a few business days, and we quote in writing with line items you can actually read. No one on our crew will rush you into a decision because a rain cloud showed up on a forecast.
Styles & brands we work with






Asphalt Shingle Roof Replacement in Westminster
Asphalt Shingle Roof Replacement in Westminster is the most common project we take on here, largely because the original comp shingles on 1950s – 1970s tract homes have finally reached the end of their service life. A typical replacement on a single-story ranch in the 92683 ZIP runs $12,000 – $18,000 for architectural shingles, with the final number shaped by roof size, tear-off depth, and whether decking needs replacement.
The work itself follows the same sequence every time: tear off the old layers, inspect the decking, replace anything soft or rotted, lay new underlayment, flash every penetration and transition, and shingle to manufacturer spec. On Westminster’s shallow pitches, we pay particular attention to valley sealing and ridge nailing patterns. That’s where wind does its damage.
Decking Replacement and Repairs
Shallow-pitch roofs from the tract era don’t shed water the way steeper roofs do, and two decades of small leaks can quietly rot the plywood underneath the shingles. During tear-off, we mark every soft section and replace it before anything new goes down. The cost runs roughly $2 – $4 per square foot of decking replaced, and it’s often the difference between a roof that lasts twenty years and one that fails at year eight.
Wind-Resistant Nailing Patterns
Santa Ana events expose original comp shingles that were nailed with too few fasteners and no starter strip, and we see the results up and down Bolsa and Westminster Avenues after every big blow. For new shingle installation, we follow the manufacturer’s high-wind nailing pattern – six nails per shingle in most cases – and inspect starter strip at every eave. That’s a detail many crews skip, and it’s visible in the failure photos after the first windy October.
New Roof Installation in Westminster
New Roof Installation in Westminster usually means one of two things: a full teardown of a tract home where the original roof is beyond repair, or a new build or addition where the roof is going up from scratch. The teardown-and-replace path on a standard single-story runs $14,000 – $22,000 in Westminster, with a premium when we’re working around an added carport or rear room.
For new construction and additions, we’re accountable from the framing up. That means sheathing, underlayment, flashing at every transition, and shingles chosen for the specific roof pitch and exposure. Westminster’s tract additions – especially carports enclosed decades after the original build – create roof-to-wall transitions that need careful, component-level attention. This is where a roofer who thinks in flashing details, not just shingles, earns the money.
Roof Decking and Sheathing for New Work
Whether we’re replacing decking on a teardown or sheathing a new addition, the base layer dictates how the finished roof performs. We spec plywood or OSB based on the design load and local conditions, and we won’t put new shingles over decking that flexes. On the old tract homes especially, a flat plane matters more than most people realize – wavy decking telegraphs through the shingles and shortens the roof’s life.
Trusted Brands We Service in Westminster
Tilecraft Roofing installs products from seven manufacturers: GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral. For Westminster’s asphalt shingle stock, we commonly recommend GAF Timberline or CertainTeed architectural shingles for their balance of wind resistance and longevity. IKO and Atlas both offer solid mid-range architectural lines, and Tamko gives us a value option that still carries a meaningful material warranty. For homeowners who want something beyond asphalt on a warranted structure, Boral opens up clay tile and premium concrete profiles that most local roofers won’t touch. Seven leading brands, one crew, and parts availability that lets us order directly through manufacturer channels rather than big-box retail.
See the difference
Before
After
Before
After
Before
AfterCommon Roof Replacement Problems We See in Westminster Homes
- Wind-lifted shingles at the ridge and rakes. The original 1950s – 70s comp shingles went on with few fasteners and no starter strip, and Santa Ana winds find those edges every time. By the time a shingle lifts, the adhesive strip has usually failed, and the next wind event makes it worse.
- Flashing failure at carport and room additions. Enclosed carports and rear additions from the 1960s and 70s have roof-to-wall transitions that were often flashed with scraps and hope. Heavy winter rain finds those seams, and the surrounding decking and fascia pay the price.
- Drainage problems on shallow-pitch roofs. Original underlayment breaks down over time, and roof penetrations like vents and flues that were never properly sealed allow water to pool and work its way through. Stains on interior ceilings after a storm usually trace back to one of these points.
- Multiple old shingle layers under the top course. Uniform tract construction off Bolsa and Westminster Avenues means whole blocks of original roofs aged out together, and tear-offs routinely reveal two or three layers of the same builder’s shingles. That changes the tear-off volume, the dumpster count, and the total project cost.
The Uniform Tract Construction Angle
Here’s something a generic roofing page won’t tell you: Westminster’s dense post-WWII subdivisions were built so uniformly that entire blocks of original comp shingle roofs hit end-of-life within a few years of each other. When you tear off a roof from that era, you don’t usually find one old shingle layer. You find two or three, all stamped with the same builder’s mark, all laid down by the same crews decades apart. That means your replacement scope isn’t just shingles over decking – it’s uncovering and disposing of multiple layers of old material, and that changes the number of dump runs, the labor hours, and the quote. Neighbors routinely re-roof in waves, and our techs often see the same builder’s layers across three or four houses on one street.
On a 1962 ranch off Bolsa Avenue near the Westminster border with Garden Grove, our crew tore off three layers of original comp shingles – all stamped with the same builder’s mark – and found the decking had been patched with plywood scraps over the carport addition. We replaced the soft decking, installed GAF ice and water shield in the valleys and along the carport transition, set new flashing at the roof-to-wall, and finished with CertainTeed architectural shingles nailed to the 130-mph wind pattern. The homeowner later said the new ridge vent made the back bedrooms noticeably cooler.
Pricing for Roof Replacement in Westminster, CA
Here are honest numbers for the Westminster market. A standard architectural asphalt shingle replacement on a single-story tract home runs $12,000 to $18,000. Larger homes, two-story ranches, or houses with substantial additions push toward $20,000 to $25,000. Full tear-offs that uncover multiple old layers add $1,500 to $3,500 in disposal and labor. Decking replacement adds $2 to $4 per square foot. New roof installation on an addition or new build starts around $10,000 and scales with square footage and design complexity. Tile systems through our Boral channel start higher – typically $25,000 and up – and require structural confirmation. Every quote we write is line-itemed, and the number we give you is the number we hold to. Call (833) 467-4846 for a free estimate.
We Also Serve Cities Near Westminster
Tilecraft Roofing serves the whole central Orange County area, including Midway City, Garden Grove, Stanton, and Huntington Beach. If you’re in Westminster or any surrounding city, the same inspection-first approach and seven-brand material access applies. Call (833) 467-4846 to get on the schedule.
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
Westminster’s tract homes from the 1950s – 70s were built in near-identical subdivisions, which means your roof was likely installed by the same builders who did your neighbor’s roof – and many of those original shingle layers are still up there, buried under re-roofs. During a full replacement, we routinely tear off two or three layers of old comp shingles, not one. That changes the dumpster count, labor time, and total price, and it’s why an on-site inspection beats a satellite-measured estimate for houses in the 92683 ZIP. Call (833) 467-4846 to schedule a free inspection so we can check what’s actually under your top layer.
We install products from seven manufacturers: GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral. For most Westminster tract homes, we recommend GAF Timberline or CertainTeed architectural shingles because they handle Santa Ana wind loads well on shallow pitches and carry strong material warranties. If you want a premium option, Boral gives you access to clay tile and specialty profiles that most local roofers don’t stock or install. Call (833) 467-4846 and we’ll help you match the right material to your roof.
Yes. Enclosed carports and room additions from the 1960s and 70s create some of the trickiest roof-to-wall transitions we see in Westminster, and we flash them with the same care as the main roof field. We replace patched flashing with new metal, seal the transition properly, and make sure the decking behind it is sound before the new shingles go down. Call (833) 467-4846 to have us look at the transition points on your addition.
Yes, we regularly staff English/Vietnamese bilingual crew members for projects across Westminster, especially in the neighborhoods off Bolsa and Westminster Avenues where many homeowners are more comfortable discussing the scope and contract in Vietnamese. We can arrange for a bilingual foreman or estimator to be present at the inspection and during the work. Call (833) 467-4846 and let us know your preference when you schedule.
A roofing square is 100 square feet of roof surface, and we measure every plane of your Westminster roof by hand rather than relying on satellite imagery alone. Satellite tools miss roof pitch, penetration counts, and transition details like carport additions – all of which change the number of squares and the amount of flashing, underlayment, and fasteners you actually need. A hand-measured quote also holds its number better when the crew arrives and sees the same roof the estimate was written for. Call (833) 467-4846 for a written, line-itemed quote based on a real measurement.
Written by Ruben Castellano, Owner at Tilecraft Roofing, serving Westminster and central Orange County.