Free roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Before
After
Before
After
Before
AfterFast, Reliable Roof Installation Across San Jose
A full roof installation in San Jose typically runs $14,000 to $38,000 depending on the roofing material, the size and slope of your house, and whether a full tear-off to decking is required. For a standard single-story ranch with architectural shingles, most San Jose homeowners land between $16,000 and $24,000. We scope every job against the city’s permit requirements before we ever file, because San Jose’s rules about overlay versus tear-off directly affect your calendar and your final cost. If you’re weighing San Jose Roof Replacement, call (325) 246-5075 and we’ll walk you through the same process we use on every job, from the first measurement to the final inspection.
Why Crestview Roofing Is San Jose’s Preferred Roof Installation Company
Dylan Pace founded Crestview Roofing in 2000 on a single idea: homeowners deserve to see exactly what they’re paying for before, during, and after the work. That’s the spine of The Relay Visibility Guarantee, and it’s why our San Jose customers get a written price before any work starts, photo updates from our crew as the job progresses, and a digital invoice sent by text when the roof is done. No one from Crestview shows up at your door in San Jose without a name, a trackable arrival time, and a background check on file.
Our crews work in San Jose neighborhoods every week, from Willow Glen to Almaden Valley to the Rose Garden district off Naglee Avenue. We know the housing stock here: mid-century ranches with low slopes, two-story stucco homes near Santana Row, older Craftsman bungalows in the Shasta-Hanchett area. That local familiarity means we scope the job correctly the first time, including details like valley protection and eave-line fascia that generic out-of-town roofers often miss until the work is already underway. Every installation is governed by the 365-Day Done Right Promise, in writing, included with every job.
Shingle Roof in San Jose
A shingle roof installation in San Jose is the most common full replacement we do, and for good reason: architectural asphalt shingles from GAF, CertainTeed, and Owens Corning in San Jose handle the region’s dry summers and wet winters well while keeping the cost accessible for most homeowners. The job starts with a full tear-off to the decking. Layering new shingles over an existing roof is legal in some limited-permit cases in San Jose, but we rarely recommend it. Hidden soft spots stay hidden until they rot through.
Our Roof Installation team prices shingle work by the square (one square equals 100 square feet). For San Jose homes, a standard architectural shingle roof runs $5.50 to $8.00 per square foot installed, materials and labor included. A 2,000-square-foot ranch in Cambrian or Berryessa typically lands between $16,500 and $24,000 when the tear-off, underlayment, starter strip, and ridge vent are all accounted for. If your decking is compromised, re-sheeting adds $2.50 to $4.00 per square foot for the affected areas only.
Decking and Underlayment Before Shingles
Once the old shingles come off, we inspect every sheet of plywood or OSB. Soft spots get cut out and replaced before anything else goes down. In San Jose’s winter rain cycle, a roof with one bad sheet of decking becomes a roof with five bad sheets inside of two seasons.
We install synthetic or felt underlayment over the entire deck surface, then add ice and water shield at the valleys, eaves, and penetrations. That valley protection is non-negotiable on any San Jose roof with natural drainage channels, because winter storms drive water into the exact seams where two roof planes meet.
Starter Strip, Ridge Vent, and Flashing
A shingle roof is only as good as its edges. We set a starter strip along every eave and rake, install new flashing at every chimney, skylight, and vent pipe, and cap the ridge with a proper ridge vent. Reusing old flashing is a shortcut that fails inspection and leaks within a few seasons.
Standing Seam Metal Roof in San Jose
A standing seam metal roof in San Jose is a long-term play: it costs more up front but typically outlasts shingles by two to three decades and handles the region’s heat cycling without cracking or curling. The vertical seams run continuously from eave to ridge, which means far fewer exposed fasteners and far fewer places for water to get in during a January storm. For San Jose homeowners planning to stay in their home ten years or more, metal often pencils out.
Standing seam in San Jose runs $14.00 to $22.00 per square foot installed. A 2,000-square-foot home in Evergreen or Willow Glen typically lands between $28,000 and $44,000. The material itself is usually Galvalume or painted steel from manufacturers like Atlas or Boral, often with a Kynar 500 finish that holds its color through San Jose’s intense summer sun without fading to chalk.
Heat Cycling and Panel Movement
San Jose’s diurnal temperature swing, especially from late May through September, causes metal panels to expand and contract daily. A properly installed standing seam roof uses a floating clip system that lets the panels move without stressing the fasteners. We check the clip spacing against the manufacturer’s engineering tables for your specific panel profile and gauge.
Cheaper metal installations that screw through the face of the panel rather than using hidden clips will eventually leak in San Jose’s climate. We don’t install face-fastened panels on standing seam jobs, because the thermal movement works the fasteners loose over time.
Valleys and Eave Trim on Metal
Standing seam valleys require precise metal folding and sealant placement where the panels converge. We cut each valley panel to fit the actual roof geometry, not a template. The eave trim and drip edge get sealed and mechanically fastened before the panels go on, because once the metal is set, any mistake in the trim line is expensive to correct.
Trusted Brands We Service in San Jose
Our San Jose crews install GAF, CertainTeed, and Owens Corning shingles, plus standing seam metal systems from Atlas, Tamko, and Boral. We stock common valley metal, ridge vent, and starter strip at our Bay Area staging yard so San Jose jobs don’t stall waiting on a truck from the Central Valley. If you already have a brand preference from your own research, tell us during the estimate and we’ll price the job against the exact material spec you want, not whatever is closest to the yard.
Common Roof Installation Problems We See in San Jose Homes
- Skipping the full tear-off. Some contractors will quote a lower number to install over one existing layer. In San Jose, that shortcut hides soft decking, traps moisture against the sheathing, and can fail a resale inspection when the buyer’s inspector pulls back a shingle and finds two roofs where there should be one.
- Reusing old flashing at chimneys and valleys. San Jose’s dry-season heat dries out old sealant, and winter rain finds every crack. New flashing at every penetration and valley is not an upsell; it’s the difference between a roof that lasts 25 years and one that leaks at year three.
- Failing to pull a building permit for a full re-roof. A tear-off to new decking in San Jose requires a full building permit and a final inspection. Skipping it can stall a home sale and leave you with no recourse if the work turns out deficient. We pull permits on every job where the scope requires one, and we schedule the inspection before the final check clears.
- Rotted fascia discovered at the eave line. San Jose homes with older gutters often have fascia boards that have been absorbing water for years. When we tear off the first row of shingles, that’s when the damage shows. We re-sheet and replace fascia as part of the install rather than covering it over and hoping for the best.
Pricing for Roof Installation in San Jose, CA
For a full tear-off and shingle installation, San Jose homeowners should budget $5.50 to $8.00 per square foot. Standing seam metal runs $14.00 to $22.00 per square foot. What moves the number most is the condition of the decking once the old roof comes off. On one San Jose roof in Willow Glen off Minnesota Avenue, our crew tore off two layers of old three-tab on a 28-square ranch, replaced rotted fascia at the eave line, installed ice and water shield in the valleys, and set new GAF architectural shingles with a starter strip and ridge vent. The homeowner had been told the decking was fine, but the tear-off revealed a half-dozen soft spots that we re-sheeted before the underlayment went down. That re-sheeting added roughly $2,800 to the job, and it was the right call: covering those spots would have guaranteed a leak within two winters.
Every Crestview estimate is written and line-itemed before any work starts. The number on the page is the number on the invoice. Call (325) 246-5075 to schedule a free estimate on your San Jose roof.
We Also Serve Cities Near San Jose
Crestview Roofing installs and repairs roofs across the South Bay. We serve Roof Installation in San Jose plus Milpitas, Santa Clara, Sunnyvale, and Campbell. If you’re on the border in North San Jose or West San Jose, our crew covers you the same day we scope it.
Serving San Jose, CA – Our Local Coverage Area
We’re based in the San Jose 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 Installation in San Jose
Yes, in most cases. San Jose’s permit process is triggered by the type of replacement: a true same-material overlay may qualify for a limited permit, while a tear-off to new decking generally requires a full building permit and a final inspection. We determine the correct permit classification during the initial scope and pull the permit before any work begins. Call (325) 246-5075 if you want to know which path applies to your roof.
A standard shingle tear-off and replacement on a single-story San Jose home takes two to four working days, weather permitting. Standing seam metal adds one to two days for panel fabrication and seaming. The permit review and inspection scheduling can add a week or more to the calendar depending on current city workload, which is why we file early and inspect as soon as the last panel or shingle is set.
The honest answer: decking condition and rotted fascia. Once the old shingles are off, we can see the wood. If the sheathing is soft and needs replacement, that’s a per-square-foot add you’ll see documented in writing and in photos before we touch a single sheet. Nothing else on a standard install should change the price, because Crestview writes the full scope into the estimate before work starts. Call (325) 246-5075 to get your written estimate.
Technically yes in certain limited-permit overlay situations, but we almost never recommend it. The new roof inherits whatever moisture and rot is hiding in the old layer, and San Jose’s winter rain will find it. A full tear-off costs more up front and gives you a roof that actually lasts. We’ll tell you honestly which route your roof qualifies for and what it costs.
Yes, and they’re particularly well suited to the heat cycling San Jose gets from late spring through early fall. The floating clip system lets panels expand and contract without stressing fasteners, and the continuous seams hold up through wet winters. The tradeoff is cost: standing seam runs roughly two to three times a shingle roof per square foot. Call (325) 246-5075 and we’ll price both options for your exact roof.
Roof installation in San Jose is a big enough decision that you shouldn’t have to make it on guesswork. We give you the written price, the permit path, the material spec, and the photo proof that the job was done the way we said it would be. Call (325) 246-5075 to schedule your free estimate.
Written by Dylan Pace, Owner at Crestview Roofing, serving San Jose since 2000.