Roof Replacement in San Jose, CA

Name: San Jose Roof Repair
Telephone: 6504145505
Price range: $$

San Jose Roof Repair tears off failing shingles and rebuilds the whole roof system — new underlayment, new flashing, new ridge vents — so your home stops leaking for the next 25 to 50 years. Dry summers bake asphalt shingles down to the mat, and the first winter rain finds every cracked pipe boot and dried-out sealant bead. Call 6504145505 for a free roof estimate.

Call 6504145505

Roof replacement crew installing architectural shingles and a ridge cap on a San Jose home

roof replacement means a full tear-off down to the roof deck — not an overlay on top of tired shingles. We strip the old material, inspect the sheathing for rot or delamination, and swap out any OSB or plywood that has gone soft. Then a synthetic underlayment goes across the field and a self-adhered ice-and-water shield goes in the valleys and along every eave, which is where winter rain wicks in first.

After that it is new chimney flashing, step flashing where the roof meets a wall, apron flashing above the porch, a fresh drip edge on the rake and eave, and ridge vents sized to the attic. Architectural shingles — the laminated asphalt shingle most San Jose homes wear, in lines like GAF Timberline, Owens Corning Duration, and CertainTeed Landmark — go down in staggered courses, hand-sealed and fastened with ring-shank nails. We finish the fascia, check the soffit, and register the manufacturer warranty in your name.

Cost comes down to square footage, pitch, how many layers come off, and whether the deck needs work. A simple gable roof on a 1955 ranch costs far less than a cut-up Spanish Colonial Revival from the early 1900s with dormers and a steep pitch. Homes built since 2000 usually hide fewer surprises underneath. San Jose building code requires a permit, and we pull it.

Roof shape changes the plan. A mansard or gambrel needs different staging than the low overhang above a front porch, and a small canopy or awning roof still gets fresh flashing before it gets shingles. On older frames we check the purlin, batten, and counterbatten lines and add a snow guard where a valley dumps onto a walkway. Ice dam risk is low here, but the ice-and-water shield along the eave is cheap insurance. Air compressor, torch, and mastic come out for the detail work, because that is where leaks start.

What's Included

Full tear-off of existing shingles, roofing felt, and tar paper down to the substrate, with all debris hauled off in a dumpster we place on your driveway.
Deck inspection with soft spots cut out and replaced in matching OSB or plywood before anything new goes on.
Synthetic underlayment across the whole field, plus a self-adhered ice-and-water shield at the eaves, valleys, and around the chimney.
New drip edge on the rake and eave, plus step flashing, counter-flashing, and apron flashing wherever the roof meets a wall or chimney.
Architectural shingles set in staggered courses, fastened with ring-shank nails through a nail gun calibrated to your deck thickness.
Ridge cap and ridge vents installed to code, with tired pipe flashing and vent boots swapped for new neoprene collars.
Fascia and soffit checked and repaired so the roofline sits straight and the attic can breathe.
Final magnetic sweep of the lawn and gutters, plus manufacturer warranty registration in your name.

Our Roof Replacement Process

Roof Replacement, Step by Step

Free roof estimate: we walk the roof with a ladder and a roofing square, photograph the trouble spots, and hand you a written line-item estimate. No same-day-only pricing.
Material selection: you pick the shingle line and color. We bring real samples of GAF Timberline, Owens Corning Duration, and CertainTeed Landmark, so the choice stays yours.
Permit and scheduling: we pull the permit, order material, and give you a date. Weather, not our calendar, is the thing that moves it.
Tear-off and decking: old shingles, roofing felt, and tar paper come off with roofing shovels and pry bars while debris goes into the dumpster. Crews work off scaffold or ladder with a safety harness on anything steep.
Deck repair: we check the sheathing and replace rotted OSB or plywood. Extra rot means a phone call and a photo before we spend another dollar.
Dry-in and flashing: synthetic underlayment, ice-and-water shield, drip edge, and flashing go on the same day, so your waterproofing and weatherproofing layer is never left open overnight.
Shingle install: staggered courses run through a nail gun on the field course, ridge cap and ridge vents go last, and sealant or roof cement seals the details.
Cleanup and walkthrough: dumpster out, magnetic sweep for stray nails, screws, and fasteners, and we register your manufacturer warranty before we leave.

Free Inspection

We assess your roof with a thorough inspection and provide a detailed photo report — no cost, no obligation.

Clear Estimate

You get an itemized scope with materials, labor, and timeline. No hidden fees. We discuss insurance and financing options.

Expert Work

Licensed crews arrive on schedule, protect your property, complete the work, and clean up thoroughly.

Final Walkthrough

You inspect with us. We document everything with before/after photos. Warranty registered and paperwork delivered.

Signs You Need Roof Replacement

Signs Your Roof Is Done, Not Just Tired

Granule loss is the big one — asphalt grit collects in the gutters and downspouts after a dry summer, and the shingle mat starts showing through.
Shingles curl, buckle, or tear at the ridge and hip, which lets wind uplift peel the field course loose in the first real winter storm.
Moss takes hold on north-facing slopes and under tree shade, holding moisture against the shingle until it seeps into the roof deck.
Dark streaks along the roofline mean algae is colonizing the filler in the asphalt, and washing alone will not fix it for long.
Water stains on attic rafters, joists, or insulation after a rain mean water is already past the underlayment and flashing.
Ceiling stains, peeling paint, or a sag in the roofline point to rotted sheathing and sometimes a compromised truss or ridge beam.
Rusted pipe flashing and pipe boots, a cracked chimney crown, or boot flashing separating at the verge all signal end-of-life wear.
You have patched the same leak twice — at that point roof replacement costs less than chasing the problem for another season.

Roof Replacement — Frequently Asked Questions

How much does roof replacement cost in San Jose?

Roof replacement in San Jose prices by the square, which is 100 square feet of roof surface. The number depends on square footage, roof pitch, how many old layers come off, and whether we find rot in the sheathing. A single-story ranch with a simple gable is the low end; a steep roof with dormers and skylights is the high end. You get a written line-item estimate so you can see where the money goes.

How long does roof replacement take?

Roof replacement on a typical San Jose home takes one to three days once the crew starts. Tear-off and dry-in happen the same day, so the house is never left open overnight. Big square footage, steep pitches, or lead time on tile and metal materials can stretch it. Winter rain is the one thing we cannot schedule around, and we will tell you honestly when it forces a date change.

Will my insurance cover roof replacement?

Roof replacement is often covered when the damage traces to one storm event — hail, wind uplift, or a fallen limb. It is usually not covered for end-of-life wear, granule loss, or a roof that simply aged out. We document the damage, meet the adjuster on the roof, and work through insurance claim assistance with you. If your carrier says no, we tell you straight.

What roofing materials do you install?

Roof replacement here most often means architectural shingles, though we also install three-tab shingle, wood shake and cedar shake roofing, slate, clay tile, and concrete tile. On flatter sections we work with metal panel, standing-seam panel, and corrugated panel, plus single-ply membrane such as TPO, EPDM, and PVC membrane. Older flat roofs get built-up roof or modified bitumen. Commercial buildings with a parapet, scupper, or coping get a drainage-matched system.

Do I need a permit for roof replacement in San Jose?

Roof replacement in San Jose requires a building permit, and the inspection covers the sheathing, the underlayment, and the flashing details. We pull it and meet the inspector. Skipping it is a bad trade, because it can complicate a future sale and it can void your manufacturer warranty. Inspectors also look at the attic vapor barrier and the roof ventilation while they are up there.

Can you replace a roof in sections to spread out the cost?

Roof replacement in sections rarely works well, because the tear-off exposes the substrate and every seam between old and new becomes a leak point. If budget is the real issue, we can phase the job — worst slope now, front of the house later. Or we look at roof repair and roof maintenance first to buy you a couple of seasons. Honest answer, either way.

Don't just take our word for it — hear from our satisfied customers.

"We had ceiling stains in Willow Glen for two winters. They tore off three layers of old shingle, found rotted sheathing on the back slope, and texted photos before replacing it. New ridge vents and flashing, roof done in two days, and no leaks through the last rainy season." — Maria T., Willow Glen

"Our 1962 ranch in Almaden Valley still had original three-tab shingles and moss along the north side. They walked us through architectural shingle samples, explained the cost difference in plain language, and never pushed the most expensive option. Dumpster arrived Monday and was gone Friday." — Dave R., Almaden Valley

"A redwood limb came down near Los Gatos Hills and punched through the roof over the kitchen. They tarped it the same afternoon, helped with the insurance claim, and replaced the whole slope with matching shingles. Clean roofline, gutters cleared, no leaks since." — Priya S., Los Gatos Hills