Free roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Before
After
Before
After
Before
AfterFast, Reliable Roof Replacement Across San Martin
A full roof replacement in San Martin typically runs $12,000 – $28,000 for most single-family homes, with smaller jobs starting around $8,500 and complex architectural shingle projects reaching the mid-thirties. Most San Martin replacements take 2 – 4 days from tear-off to final inspection, and we pull every permit through Santa Clara County so you don’t have to think about it. Call (325) 246-5075 to schedule your free written estimate.
San Martin sits in that pocket of southern Santa Clara County where the coastal fog loses its grip and the summer heat builds early. We’ve replaced roofs on the ranch-style homes along Monterey Road where the afternoon sun beats down for six straight hours, and on the newer builds near San Martin Avenue where builders cut corners on decking in the early 2000s. The Relay Visibility Guarantee means you’ll know your crew’s name, track their live arrival time, and get before-and-after photos sent to your phone before we ever ask for payment. Our Roof Replacement crews coordinate dispatch from our San Francisco Bay Area office and serve San Martin directly, no subcontractors, no surprises.
Why Crestview Roofing Is San Martin’s Preferred Roof Replacement Company
We’ve been replacing roofs since 2000, and the patterns in San Martin are distinct enough that our crews know what to expect before they pull the ladder off the truck. The clay-heavy soil around Llagas Creek shifts seasonally, and we’ve seen how that movement cracks chimney flashing on homes built before 1990. That kind of local knowledge changes how we prep the job.
Our 365-Day Done Right Promise covers every repair for a full year, in writing, included with every job. If something we fixed fails, we come back free, no negotiation. Dylan Pace built Crestview Roofing on The Relay Visibility Guarantee, which means a written price before any work starts, photo documentation, and a digital invoice sent by text. Homeowners in San Martin get the same transparency they’d expect from booking a ride or ordering dinner, applied to a $20,000 roof.
Calls are answered by a live person 24/7. No voicemail loops. No “call back Monday” when your ceiling stain is spreading on a Saturday evening.
Flat Roof Replacement in San Martin
Flat Roof Replacement in San Martin addresses the low-slope sections common on ranch additions, ADUs, and the commercial-style outbuildings near the agricultural parcels along Fitzgerald Avenue. These roofs don’t shed water like pitched ones, so standing water and UV breakdown hit harder here than in fog-cooled coastal towns. A typical flat roof replacement in San Martin runs $8,500 – $18,000 depending on square footage and whether the insulation board needs replacement.
When TPO Makes Sense
Thermoplastic polyolefin, or TPO, is the white single-ply membrane we install most often on San Martin flat roofs. It reflects heat, which matters when your roof sits in direct sun from 10 a.m. to 6 p.m. through July and August. A properly welded TPO seam outlasts taped seams by years in this climate.
Built-Up vs. Modified Bitumen
Older San Martin homes sometimes carry gravel-surfaced built-up roofing from the 1980s. We strip that to the deck, assess for rot, and typically upgrade to modified bitumen or TPO. Both handle the thermal expansion better than the original system, and neither needs the constant re-graveling that built-up roofs demand.
Roof Replacement Contractor in San Martin
Roof Replacement Contractor in San Martin means a crew that understands Santa Clara County permit requirements, the wind exposure along the Highway 101 corridor, and how to stage materials on tight lots without tearing up your driveway. We handle the full job: permitting, tear-off, decking inspection, underlayment, shingle installation, and final county sign-off. A standard asphalt shingle replacement on a 2,000-square-foot San Martin home typically falls between $12,000 and $18,000, while architectural shingles with upgraded underlayment run $16,000 – $24,000.
Decking Replacement Mid-Job
We find soft or delaminated plywood in about one of three San Martin tear-offs, especially on homes built during the 1970s construction boom. We photograph the damage, text you the image, and quote the plywood replacement before we cut a single sheet. No hidden charges, no “we found a surprise” conversations at your door.
New Construction and Full Builds
San Martin’s remaining infill lots and ranch subdivisions need roofs installed to code from day one. We spec GAF or Atlas systems with proper ridge venting, which matters more here than in cooler climates because attic heat buildup shortens shingle life by years if it’s trapped.
Trusted Brands We Service in San Martin
We install GAF, Atlas, Tamko, and Boral products on San Martin homes, and we stock common repair components locally so a blown-off ridge cap or cracked vent boot doesn’t turn into a two-week wait. GAF’s Timberline HDZ architectural shingles handle the UV load well here, and Atlas’s Scotchgard algae-resistant line stays clean longer on north-facing slopes where the fog lingers. Tamko’s Heritage series hits a solid price point for homeowners who want dimensional looks without premium cost. Every brand we carry backs its materials with a manufacturer’s warranty, and our installation workmanship is documented with photos that protect that warranty if you ever need to file a claim.
Common Roof Replacement Problems We See in San Martin Homes
- Thermal cracking on south-facing slopes. San Martin’s 90-degree summer days and 40-degree winter nights stress asphalt shingles through repeated expansion and contraction. We see this most on homes near Llagas Avenue where tree cover is minimal and roofs bake uninterrupted.
- Failed valley flashing in pre-1990 builds. The galvanized steel valleys installed during San Martin’s first housing wave rust through after 30 years. We replace with pre-painted aluminum or copper, depending on the home’s budget and aesthetic.
- Improper venting trapping attic heat. Ranch homes with original gable vents and no ridge venting run 30 – 40 degrees hotter in summer attics. That heat cooks shingles from underneath and drives cooling bills up. We add ridge vents during replacement when structurally feasible.
- Clay soil movement separating chimney flashing. The expansive soil around San Martin shifts with winter rains and summer dryness, pulling step flashing away from brick. We install custom-formed counterflashing that accommodates movement without breaking the seal.
Pricing for Roof Replacement in San Martin, CA
Most full roof replacements in San Martin fall between $12,000 and $28,000. Here’s how that breaks down by scope:
- Asphalt shingles, standard 3-tab: $8,500 – $14,000
- Architectural shingles (GAF Timberline or Atlas equivalent): $16,000 – $24,000
- Flat roof replacement, TPO or modified bitumen: $8,500 – $18,000
- Roof decking replacement (per sheet, if needed): $85 – $140
- New construction roof installation: $10,000 – $22,000 depending on pitch and complexity
What moves you within these ranges? Roof pitch matters, steep climbs cost more in labor and safety setup. Multiple layers of old roofing add tear-off time. Skylights, chimneys, and vent stacks need custom flashing that adds material and labor. We give you a written line-item quote before any work starts, the number on the page is the number on the invoice, and permits are included in our pricing. Call (325) 246-5075 for your free estimate.
We Also Serve Cities Near San Martin
Our crews work throughout southern Santa Clara County. We regularly replace roofs in San Martin and the surrounding communities, including Morgan Hill to the north along Highway 101, Gilroy to the south, Los Gatos in the hills to the west, and Campbell for homeowners who want the same transparency standards closer to the urban core. Each job carries The Relay Visibility Guarantee and the 365-Day Done Right Promise, no matter which city we’re working in. We also handle Roof Installation in San Martin for new builds, and Roof Repair in San Martin when a full replacement isn’t needed yet.
Serving San Martin, CA – Our Local Coverage Area
We’re based in the San Martin 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 San Martin
We typically schedule estimates within 48 hours for San Martin homeowners, and often next-day if you’re flexible on morning or evening slots. Our Bay Area dispatch coordinates crew routing to minimize drive time down Highway 101 or via Monterey Road. Call (325) 246-5075 to book your free estimate.
Yes, we replace roofs throughout San Martin, from the original ranch properties near Llagas Creek to the newer subdivisions off San Martin Avenue and the rural parcels along Fitzgerald Avenue. Each area has different roofing needs based on build era and sun exposure, and we adjust our recommendations accordingly.
We do not offer same-day full roof replacement, that’s planned construction work that requires permitting and material ordering. For true emergencies, storm damage, or structural failure, we provide temporary tarping and water mitigation, then schedule the full replacement with proper permits through Santa Clara County. A live person answers our line 24/7 to assess urgency and dispatch if needed.
San Martin pricing runs roughly parallel to Morgan Hill and slightly below Los Gatos, where steep lots and tighter access drive labor costs up. Gilroy is comparable. The main variable is your specific roof, not your ZIP code. We use the same written pricing standard across all cities we serve.
Every replacement includes the manufacturer’s material warranty, 25 years to lifetime depending on the shingle line you choose, plus our 365-Day Done Right Promise on any repair work performed during the project. The manufacturer’s warranty requires correct installation, which we document with before-and-after photos stored in your digital job file. Call (325) 246-5075 for exact warranty terms by product.
Written by Dylan Pace, Owner at Crestview Roofing, serving San Martin since 2000.