Roofing
Roof inspections, repairs, and replacements planned around condition, drainage, ventilation, material choice, and permits.
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Home Improvement Services in San Mateo County
Choose your project type, review county planning guidance, and find the Hamilton Exteriors service page for your city.
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Since 2018
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6
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Choose Your Project
Services in San Mateo County
Start with the service that matches your project. Each page explains the relevant scope, planning steps, and local service locations.
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.
Custom Homes
Site review, architecture, engineering, permits, and construction coordination for a ground-up home.
Additions
Planning for room extensions, second stories, structural changes, building systems, permits, and construction sequencing.
County Planning Guide
Building in San Mateo County: What Homeowners Need to Know
Review the building conditions that can affect scope, materials, permits, and scheduling across the county.
01
San Mateo County spans the Peninsula from the coastal communities of Pacifica and Half Moon Bay to the bayside cities of San Mateo, Burlingame, and Redwood City. The county’s proximity to the Pacific Ocean creates a marine-layer microclimate that demands careful material selection — persistent fog, salt air, and moisture accelerate deterioration on conventional roofing and siding materials faster than in inland Bay Area communities.
02
Coastal fog is particularly aggressive on the western side of the county. Homes in Pacifica, Moss Beach, and the hillside neighborhoods above Daly City experience near-constant moisture exposure from October through June. We recommend GAF Timberline HDZ shingles with StainGuard Plus for algae and moisture resistance in these areas, paired with James Hardie HZ5 fiber cement siding engineered specifically for high-moisture coastal environments. For the warmer, sunnier bayside cities like Redwood City and San Carlos, cool-roof-rated materials help offset the Peninsula’s rising summer temperatures.
03
Permit processes in San Mateo County vary by city. Redwood City and San Mateo both offer over-the-counter roofing permits for standard replacements, typically processed in 1–3 business days. Burlingame’s planning department may require design review for exterior changes in the Broadway and Burlingame Park neighborhoods. Daly City and South San Francisco follow streamlined permitting for residential roof and siding projects. ADU construction has surged across the Peninsula — San Mateo County’s pre-approved ADU plan program and California’s AB 68 provisions have made accessory dwellings a practical path for homeowners looking to add rental income or multi-generational living space.
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Hamilton Exteriors has completed roofing, siding, window, and ADU projects throughout San Mateo County — from full exterior renovations on Burlingame Craftsman bungalows to roof replacements on Redwood City mid-century homes and new ADU construction in Daly City. Our crews understand the Peninsula’s building code nuances, HOA requirements in planned communities, and the access challenges that come with the county’s hillside lots and narrow driveways.
Find Your City
Service locations in San Mateo County
Choose a city for focused services, local planning details, and direct project links.
Redwood City, CA
View available Hamilton Exteriors services and local project guidance for Redwood City.
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San Mateo, CA
View available Hamilton Exteriors services and local project guidance for San Mateo.
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Burlingame, CA
View available Hamilton Exteriors services and local project guidance for Burlingame.
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Daly City, CA
View available Hamilton Exteriors services and local project guidance for Daly City.
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South San Francisco, CA
View available Hamilton Exteriors services and local project guidance for South San Francisco.
Explore South San Francisco services → Plan Your Project
Start your San Mateo County project with a clear scope
Tell us what you are planning in San Mateo County. We will review the property, project type, and next steps before construction begins.
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!
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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.
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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.
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.
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.
21634 Redwood Rd Unit F, Castro Valley, CA 94546
Serving 88 cities across the Bay Area, Greater Sacramento, and Central Valley. Explore all service areas →