Roofing
Roof inspections, repairs, and replacements planned around condition, drainage, ventilation, material choice, and permits.
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Home Remodeling Contractor in San Ramon
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What We Build 
Available Services in San Ramon
Siding
Exterior wall planning for cladding, weather barriers, flashing, trim, moisture damage, and required permits.
Windows
Window replacement based on opening measurements, frame condition, glass needs, flashing, efficiency, and installation method.
ADUs
Property feasibility, design, permits, utilities, and construction planning for accessory dwelling units and garage conversions.
Additions
Planning for room extensions, second stories, structural changes, building systems, permits, and construction sequencing.
Custom Homes
Site review, architecture, engineering, permits, and construction coordination for a ground-up home.
Decks
Site, structural, material, railing, access, and permit planning for new decks and major deck renovations.
500+
Projects Completed
10+
Years Experience
50yr
Warranty Coverage
4.8
Average Rating
Google rating 4.6 ★ from 47 public reviews
What Homeowners Say About Our Work
Public reviews from Northern California homeowners.
Chandra Williams
a week ago
Roof City did an excellent job on my roof. They were professional, fast, efficient, and clean. They over- delivered on their promise to do a five- star job in two days, which included all materials and permits needed. They deserve a 10 star rating 🌟 ✨ 💫🌟✨💫🌟✨💫☀️🙌🏾😀👍🏾
E
Eric W.
via Yelp
Hamilton Exteriors did an amazing job on my roof. The team was professional, and the quality of work was top-notch. Highly recommend!
R
Robert H.
via Angi
From the very first consultation, we knew we'd made the right choice. The team was knowledgeable and genuinely listened to our concerns about energy efficiency and design. We've already noticed a drop in our energy bills.
L
Laura G.
via Nextdoor
Hamilton Exteriors repaired extensive dry rot damage on our home's exterior. Their attention to detail and commitment to quality were evident throughout the project. Our home looks better than ever.
Local Expertise
Exterior Projects in San Ramon, California
San Ramon is a newer city with most homes built between 1980 and 2010. Many homes in Dougherty Valley and Gale Ranch are approaching or have passed the 20-year mark where roof inspections become essential.
San Ramon's Building Division processes permits efficiently, typically within 5-7 business days. The city is partially within a WUI fire zone, requiring Class A fire-rated roofing for affected properties.
Homes along the eastern ridgeline near Bollinger Canyon and parts of Dougherty Valley border wildland areas classified as WUI fire zones. Class A fire-rated roofing is required for these properties.
$1,300,000
Median home value
84,000
Population
20 minutes
From our office
WUI Zone
Fire-rated materials required
Permit Authority
City of San Ramon Building Division · (925) 973-2560
Local Tip
San Ramon HOAs are among the most active in the Tri-Valley — many have pre-approved color palettes for roofing. Check your CC&Rs before selecting materials, as HOA approval can add 2-3 weeks to your project timeline.
Project Management How Hamilton Exteriors
How Hamilton Exteriors
Manages the Work
Itemized Scope
Your proposal identifies included work, selected materials, permit allowances, payment timing, and exclusions before construction.
Relevant Credentials
Hamilton Exteriors holds CSLB #1078806. We show manufacturer credentials only where they apply to the selected system.
Warranty Review
We explain the product and workmanship warranty terms that apply to your selected scope before work begins.
One Project Contact
One contact coordinates the schedule, field questions, inspections, and project closeout.
Serving San Ramon's Best Neighborhoods
Hamilton Exteriors has completed projects across San Ramon — from Dougherty Valley to Old Ranch. Here are some of the communities we serve.
Canyon Lakes
From energy-efficient window installations to ground-up custom homes, Canyon Lakes residents choose Hamilton Exteriors for our design-build expertise. With San Ramon's microclimate — Summer average 92°F with 10-15 days above 100°F — material selection matters. We handle architecture, engineering, permits, and construction.
Local Considerations
Hot inland summers and cool-roof requirements
San Ramon sits in the inland Tri-Valley where summer highs routinely exceed 95°F and attic temperatures push past 140°F. Title 24 already requires cool-roof rated shingles on most re-roofs in this climate zone, and we go further by specifying GAF Timberline HDZ Reflector Series or TimberCrest cool-color shingles paired with radiant-barrier underlayment and balanced ridge/soffit ventilation. Eastern-ridge homes near Bollinger Canyon also fall inside Cal Fire WUI maps, so we install Class A assemblies, ember-resistant O'Hagin vents and non-combustible drip edge as a baseline.
Neighborhoods we serve in San Ramon
Dougherty Valley
Master-planned 1990s-2000s homes with active HOAs and pre-approved color palettes that gate roofing and siding choices.
Gale Ranch
Larger custom production homes with complex rooflines and steep south-facing exposures that benefit from cool-roof granules.
Canyon Lakes
Original 1980s tract homes near the golf course where most original wood-shake roofs have been replaced once and are due again.
City of San Ramon Building Division
Re-roof permits typically issued in 5-7 business days; HOA architectural approval is required for almost every Dougherty Valley and Windemere home and adds 2-3 weeks, so we submit that package in parallel with the city.
Permit counter: (925) 973-2560
Frequently Asked Questions
Didn't find the answer to your question? Call Now (650) 977-3351
What areas do you serve?
We serve Northern California across three regions: the San Francisco Bay Area, Greater Sacramento, and the Central Valley. Our published guides cover 14 counties and 88 cities. Our Castro Valley and Sacramento offices support local estimating, permit coordination, and project planning across these regions.
How does billing and financing work?
Financing may be available for eligible projects with approved credit. Available terms depend on lender approval, project scope, and current programs. Your project manager can review the options that apply before work begins. We also accept checks, ACH, and major credit cards.
Are you licensed and insured?
Yes. Hamilton Exteriors holds CSLB License #1078806, active general liability coverage, and the required contractor bond. We also hold GAF Master Elite and James Hardie Elite Preferred credentials. We can provide current proof of coverage before work begins.
Do I need a permit for my exterior project?
Permit requirements depend on the project scope and local jurisdiction. Hamilton Exteriors coordinates required applications, plan documents, corrections, and inspections. Permit fees and allowances appear in the proposal before construction begins.
Do I need a permit for a roof replacement in San Ramon?
Yes. The City of San Ramon Building Division requires a permit for every re-roof, and Title 24 cool-roof compliance documentation is required on most homes. Permits typically issue in 5-7 business days. If your home is in Dougherty Valley, Windemere, Gale Ranch or another HOA community, you also need architectural review approval for color and material — we submit both packages in parallel so the project still starts on time.
How much does a general contractor cost in San Ramon?
General contractor rates in San Ramon range from $15,000 to $100,000 depending on the project (Hamilton Exteriors 2024-2026 project data). Roof replacements run $15,000 to $35,000 for asphalt shingles on a standard 2,000-square-foot home. Siding replacements cost $8 to $15 per square foot. ADUs run $200,000 to $400,000. Home additions cost $300 to $600 per square foot. Every Hamilton Exteriors estimate is fully itemized with per-square pricing.
Do I need a permit for a roof replacement in San Ramon?
Yes. San Ramon requires a building permit for all roof replacements. Permit fees range from $250 to $550 (Hamilton Exteriors 2024-2026 project data). Your contractor should pull the permit and schedule the final inspection. Hamilton Exteriors handles all permitting for San Ramon projects.
What roofing material is best for San Ramon's climate?
Premium architectural asphalt shingles from GAF, CertainTeed, or Owens Corning offer the best balance of cost, durability, and fire resistance. For homes in fire zones, metal roofing provides superior Class A fire ratings and 40- to 70-year lifespans. Light-colored materials reduce cooling costs during San Ramon's hot summers.
How long does a roof replacement take in San Ramon?
Most asphalt shingle roof replacements take 2 to 5 days. Metal roofs take 4 to 7 days. Tile roofs take 5 to 10 days. Permit issuance typically adds 1 to 2 weeks before work starts.
Hamilton Exteriors services and nearby cities
21634 Redwood Rd Unit F, Castro Valley, CA 94546
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