Licensed & Insured
Roof Replacement in San Jose, CA
We've replaced hundreds of South Bay roofs—Eichlers to Victorians. Every job gets our full crew, factory-certified materials, and a cleanup guarantee. Let's talk about your roof.
What's Included
Every Roof Replacement Includes These 6 Things
When you book with us, you get a full-team install, factory-certified materials, and a cleanup guarantee. No surprises, no shortcuts.
- Full tear-off of existing roofing down to the deck — we don't layer over old material
- Deck inspection and repair of any rotted or damaged plywood (up to 1 sheet included at no extra cost)
- New underlayment (synthetic felt or ice & water shield per code) and drip edge flashing
- Factory-certified shingles from Malarkey, CertainTeed, GAF, or Owens Corning — your choice
- New pipe boots, ridge vents, and starter strips for a watertight seal
- Full site cleanup with magnetic sweep for nails; we haul all debris away
Our Process
How We Replace Your Roof
From first call to final cleanup, we keep every step clear and on schedule. Here’s how we work.
- Free Inspection & Estimate
We inspect your roof, measure, and provide a written estimate with no obligation. - Material Selection & Scheduling
Choose from Malarkey, CertainTeed, GAF, or Owens Corning. We set a start date that works for you. - Permit & Prep
We handle all permits and protect your property with tarps and dumpster placement. - Old Roof Removal
We tear off the old layers, inspect the decking, and replace any damaged wood. - New Roof Installation
We install underlayment, flashing, shingles, and ridge vents per manufacturer specs. - Final Walkthrough & Cleanup
We inspect every detail, clean all debris with magnets, and walk you through the finished roof. - Warranty & Follow-Up
You get a workmanship warranty plus manufacturer coverage. We check in after the first big rain.
DIY vs Pro Roof Replacement
Why a Pro Roof Beats a Cheap Job or a DIY
We've seen the aftermath of DIY attempts and bargain-basement installs all over San Jose. Here's how we stack up — and why cutting corners costs more in the long run.
| Category | DIY | Cheap Competitor | South Bay Roofing Co. |
|---|---|---|---|
| Materials | Big box store leftovers, no warranty | Bargain-grade shingles, short warranty | Factory-certified CertainTeed, GAF, Owens Corning, Malarkey — full mfr warranty |
| Permits & Code | Usually skipped — big risk | Sometimes skipped, often wrong | We pull all permits; meet San Jose & county code every time |
| Workmanship | Youtube how-to, no experience | Underpaid crew, high turnover | 16-year crew, licensed & bonded (CA CSLB #1087234), workmanship guarantee |
| Safety | No insurance, no training | Minimal insurance, no fall protection plan | Full workers comp & general liability, OSHA-trained crew |
| Cleanup | You haul debris yourself | Rushed cleanup, missed nails | Magnetic sweep, dumpster included, cleanup guarantee |
| Cost (avg 2,000 sq ft) | $3,000–$5,000 in materials + your time | $6,000–$9,000 (but leaks common) | $10,500–$14,000 — includes warranty, permits, insurance |
| Long-term value | Leaks within 2–3 years, no recourse | Repairs by year 5, no support | 30-year system, we handle insurance claims, 4.8 stars (200+ reviews) |
Recent Job: Willow Glen
Full Roof Replacement on a 1920s Victorian
We replaced the old cedar shakes on a Willow Glen Victorian with CertainTeed Landmark shingles in 2024. The homeowner wanted durability without losing the classic look.
Quick Answers
Frequently Asked Questions About Roof Replacement
We've been replacing roofs in San Jose for 16 years. Here are the questions we hear most from homeowners in Willow Glen, Cupertino, and the rest of the South Bay.
How much does a roof replacement cost in San Jose?
Cost depends on roof size, pitch, and materials. For a typical 2,000 sq ft home with architectural shingles, expect $8,000–$15,000. We give free estimates with no obligation.
How long does a roof replacement take?
Most residential roof replacements take 2–5 days, depending on weather and complexity. We work efficiently to minimize disruption.
Do you handle insurance claims?
Yes. We manage the entire claims process from start to finish, so you don't have to fight with your insurance company alone.
What roofing materials do you offer?
We're factory-certified for Malarkey, CertainTeed, GAF, and Owens Corning. We also work with tile, metal, and flat roofing systems.
Is your work guaranteed?
Every roof comes with a workmanship warranty and a cleanup guarantee. Plus, manufacturer warranties apply to materials.
Can I replace my roof myself?
We don't recommend DIY roof replacement. It's dangerous, voids manufacturer warranties, and often leads to leaks. Trust a licensed pro.
Do you offer free estimates?
Yes. We provide free, no-obligation roof inspections and estimates. Just call or request a quote online.
Pricing Guidance
Final pricing depends on roof size, slope, access, materials, and condition of underlying decking. Ranges below are typical for a single-family home.
| Service | Typical Range | Unit |
|---|---|---|
| Roof Replacement | $9,000–$28,000 | per single-family home |
| Roof Repair | $450–$2,800 | per repair |
| Storm Damage Repair | $800–$12,000 | per claim |
| New Roof Installation | $9,500–$30,000 | per single-family home |
| Metal Roofing | $14,000–$42,000 | per single-family home |
| Shingle Roofing | $8,500–$24,000 | per single-family home |
| Flat Roofing | $6–$14 | per square foot installed |
| Gutter Installation | $850–$3,400 | per home (includes downspouts) |
| Roof Inspection | $0–$450 | per inspection (often free with replacement) |
| Emergency Roof Repair | $600–$3,500 | per emergency call |
| Skylight Installation | $950–$3,800 | per skylight installed |
Ready to Replace Your Roof?
We've been replacing roofs in San Jose for 16 years — from Eichlers in Cupertino to Victorians in Willow Glen. Get a free, no-obligation estimate from a crew that knows your neighborhood.
Licensed & insured — CA CSLB #1087234. Call (510) 327-8325 or click below.