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Hamilton Exteriors — Bay Area roofing, siding, and exterior remodeling
4.8-star rated by 38 verified Bay Area homeowners

CSLB #1078806 · Architect & General Contractor · Building Bay Area homes since 2018

Roofing Contractor in South San Francisco

Serving South San Francisco & San Mateo County
Licensed & Insured
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Hamilton Exteriors provides professional roofing services in South San Francisco, California. Licensed under CSLB #1078806, we handle all South San Francisco building permits and inspections. Call (650) 977-3351 for an estimate.

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Local Expertise

Roofing in South San Francisco: What Local Homeowners Need to Know

Sign Hill and Old Town have low-pitch roofs needing modified bitumen or TPO. Westborough tracts are standard 4:12 composition shingle. Wind rating matters on exposed hillside lots. Biotech-adjacent new construction uses standing seam.

South San Francisco's climate — split microclimate — eastern bayside is warmer and drier, western hills catch heavy fog and Pacific wind. Industrial salt flats and bayside bring salt air to eastern homes. — directly impacts roofing performance and material selection. The most common issues we address in South San Francisco include deferred maintenance on older worker cottages in Old Town with decades of lead paint layering and eastern bayside salt corrosion on flashing. Hamilton Exteriors selects materials proven for South San Francisco's Title 24 Climate Zone 3 conditions and backs every installation with our 50-year warranty.

South San Francisco's housing stock spans 15% pre-1940, 30% 1940-1960, 25% 1960-1985. Architectural styles range from 1920s-40s worker cottages and bungalows on Sign Hill and Old Town to 1950s-60s ranches in Westborough and Winston Manor. Each era and style presents different roofing requirements — from material compatibility to structural considerations. Our crews know what to expect before they arrive on site.

Factory-certified by our manufacturer partners

Owens Corning Preferred Contractor
CertainTeed ShingleMaster
GAF Master Elite Contractor
Tesla Powerwall Certified
James Hardie Elite Preferred
Rated 4.8 ★ from 38 Verified Bay Area Homeowners

What Homeowners Say About Our Work

Real reviews from verified Bay Area homeowners.

maribelle nisha vivar, Hamilton Exteriors customer

maribelle nisha vivar

2 weeks ago

Customer service is A+. Shout out to Rachel. Thanks!

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.

Bay Area home with financing options available through Hamilton Exteriors
Financing Options

Financing Options Available For Everyone

Most Bay Area exterior projects range from $15,000 for a standard roof replacement to $600,000 for a custom ADU — and paying out of pocket isn't the only option. Hamilton Exteriors partners with multiple lending providers to offer $0-down financing with approved credit, 12-month same-as-cash plans, and extended terms up to 15 years for larger projects. You only pay for completed, inspected work — we never ask for full payment before the job is done. Whether you're replacing a roof, upgrading siding, or building an ADU, your project manager will walk you through every payment option during your free estimate so you can choose what fits your budget.

Ask about same-as-cash plans during your estimate.

Mid Market

Roofing Costs in South San Francisco

$10,000–$20,000

Median home value in South San Francisco: $1,100,000

Prices reflect South San Francisco's mid market and San Mateo County labor rates. Actual costs depend on home size, materials, and project complexity. We provide free, itemized estimates with no hidden fees.

Get Your Estimate

Rated 4.8 stars by Bay Area homeowners across BBB, Trustpilot, Google, and Yelp

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Rated 4.8/5.0

What Roofing Styles Are Available?

Asphalt Shingles by Hamilton Exteriors in the Bay Area

Asphalt Shingles

Composite shingles are durable roofing materials made from a mixture of fiberglass, asphalt, and mineral granules. They offer excellent weather resistance and come in a variety of styles and colors to suit different architectural designs.

Metal Roofs by Hamilton Exteriors in the Bay Area

Metal Roofs

Metal roofs offer outstanding longevity and energy efficiency, lasting up to 50 years or more. They come in various styles and colors, providing excellent protection against extreme weather while reflecting solar radiant heat to reduce cooling costs.

Tile Shingles by Hamilton Exteriors in the Bay Area

Tile Shingles

Tile roofing offers exceptional durability and aesthetic appeal, with options ranging from traditional clay to modern concrete designs. These versatile materials provide excellent insulation and fire resistance, making them a popular choice for homeowners seeking long-lasting, attractive roofing solutions.

Energy Roofs by Hamilton Exteriors in the Bay Area

Energy Roofs

The GAF Energy roof integrates solar technology directly into roofing materials, combining energy production with traditional roof protection. This innovative system offers a sleek, low-profile alternative to conventional solar panels while providing clean energy and potential savings on electricity bills.

Neighborhoods We Serve

Roofing Across South San Francisco Neighborhoods

Sunshine Gardens

Sunshine Gardens homeowners frequently choose Hamilton Exteriors for roofing. Sign Hill and Old Town have low-pitch roofs needing modified bitumen or TPO. With South San Francisco's Split: eastern bayside 62-78°F summers, western hills 55-68°F, material selection in Sunshine Gardens requires local expertise.

Avalon

In Avalon, homes are predominantly 1950s-60s ranches in Westborough and Winston Manor. Westborough tracts are standard 4:12 composition shingle. Our crews are familiar with Avalon's architectural character and building requirements.

Buri Buri

From Buri Buri to Westborough, South San Francisco homeowners trust Hamilton Exteriors for roofing that stands up to split microclimate — eastern bayside is warmer and drier. We handle permits, engineering, and installation — you get a single point of contact.

Westborough

Westborough is a well-planned South San Francisco neighborhood with 1950s-70s homes reaching roof replacement age. The area's hillside positioning creates varied sun and wind exposure. Hamilton Exteriors selects materials suited to Westborough's specific microclimate.

Sign Hill

Sign Hill homes sit at elevation with direct exposure to Pacific wind and fog. Roofing materials here must withstand persistent wind-driven moisture. We recommend high-wind-rated systems with enhanced fastening for Sign Hill's exposed position.

Sierra Highlands

Sierra Highlands sits at elevation in South San Francisco, facing wind patterns that test roofing systems. We install wind-resistant products with enhanced sealing for this neighborhood's exposed hillside position.

Our Advantage

Why Choose
Hamilton Exteriors?

Transparent Pricing

Every estimate is itemized line by line — materials, labor, permits, cleanup. You see exactly where your money goes before we start.

Factory Trained Installers

Every crew member is manufacturer-certified and vetted — licensed, bonded, insured, and background-checked before they touch your home.

50-Year Warranty

50-year manufacturer warranty backed by our own workmanship guarantee for the full duration. If anything fails, we fix it — free.

Your Own Project Manager

One dedicated point of contact from first call to final walkthrough. You’ll always know who to reach.

Our Latest Projects

Powered by BackOffice
Architectural Shingle Roof Replacement in Fremont Roofing 3

Architectural Shingle Roof Replacement

Location

Fremont

Products

GAF Architectural Shingles

Completed

Jun 10, 2026

Architectural Shingle Roof Replacement in Fremont — photo 2Architectural Shingle Roof Replacement in Fremont — photo 3
New Roof Installation in Hayward Roofing

New Roof Installation

Location

Hayward

Products

GAF Architectural Shingles

Completed

Jun 5, 2026

Full Roof Replacement in Walnut Creek Roofing

Full Roof Replacement

Location

Walnut Creek

Products

GAF Architectural Shingles

Completed

Jun 2, 2026

James Hardie Siding Installation in Pleasanton Siding

James Hardie Siding Installation

Location

Pleasanton

Products

James Hardie

Completed

May 28, 2026

GAF Roof Replacement in Oakland Roofing

GAF Roof Replacement

Location

Oakland

Products

GAF Architectural Shingles

Completed

May 15, 2026

Architectural Roof Replacement in Berkeley Roofing

Architectural Roof Replacement

Location

Berkeley

Products

GAF Architectural Shingles

Completed

Apr 10, 2026

Frequently Asked Questions

Didn't find the answer to your question? Call Now (650) 977-3351

What areas in the Bay Area do you serve?

We serve six Bay Area counties — Alameda, Contra Costa, Marin, Napa, San Mateo, and Santa Clara — covering 47 cities from Oakland to San Jose. Our crews are based in Castro Valley, putting us within 45 minutes of every city we serve. We handle permits and know the building codes for each jurisdiction, which matters because requirements and fees vary significantly between cities.

How does billing and financing work?

We offer $0-down financing with approved credit, 12-month same-as-cash plans, and extended terms up to 15 years for larger projects. You only pay for completed, inspected work — we never ask for full payment before the job is done. Your project manager will walk you through every option during your estimate appointment. We also accept checks, ACH, and all major credit cards.

Are you licensed and insured?

Yes. CSLB License #1078806 — verify it anytime at cslb.ca.gov. We carry $2M general liability, full workers’ comp, and are bonded per California law. We hold GAF Master Elite, Owens Corning Preferred, CertainTeed ShingleMaster, and James Hardie Elite Preferred certifications — each requires annual training and quality audits to maintain. We’re happy to provide proof of insurance before any work begins.

Do I need a permit for my exterior project?

Most exterior projects in the Bay Area require a building permit. Fees vary by city — Oakland runs $200–$600, Peninsula cities often more. We handle the entire permit process: application, plan submission, and scheduling inspections. Permit fees appear as a separate line item in your estimate so you’ll see every cost upfront. For homes in WUI fire zones (Berkeley Hills, Oakland Hills, parts of Marin), we ensure full compliance with local fire-rated material requirements.

How much does a new roof cost in South San Francisco?

Roof replacement in South San Francisco typically ranges from $8,000 to $25,000 depending on size, pitch, and material. With median home prices at $1,100,000 in South San Francisco, a new roof is one of the best investments you can make. We provide free inspections with exact pricing.

What roofing materials work best for South San Francisco homes?

For South San Francisco homes in San Mateo County, we most often recommend asphalt architectural shingles for their balance of durability and value. Tile roofing is popular in neighborhoods like Oyster Point for its aesthetic appeal, and metal roofs are ideal for energy efficiency in the Bay Area climate.

How long does a roof replacement take in South San Francisco?

Most roof replacements in South San Francisco take 3-5 days depending on the size and complexity. We handle all permits required by San Mateo County and keep your property clean throughout the process.

Does Hamilton Exteriors offer roof financing in South San Francisco?

Yes, we offer flexible financing options for South San Francisco homeowners. $0 down payment with monthly payments that fit your budget. Get pre-qualified during your free roof inspection.

Is Hamilton Exteriors licensed to work in South San Francisco?

Absolutely. Hamilton Exteriors is fully licensed, bonded, and insured to perform roofing work throughout San Mateo County, including South San Francisco and surrounding neighborhoods. We carry a California CSLB license and comprehensive liability coverage.

What roofing materials work well in South San Francisco?

For South San Francisco's coastal fog and wind exposure with cool, damp conditions much of the year, we recommend architectural asphalt shingles, metal roofing, and concrete tile. Each handles Peninsula weather differently. Our team evaluates your home's specific exposure and recommends the right material during a free consultation.

Do I need a permit to replace my roof in South San Francisco?

Yes, San Mateo County requires building permits for roof replacements in South San Francisco. Permit turnaround is typically 2-3 weeks. Hamilton Exteriors handles all permit applications, inspections, and code compliance as part of every project.

Is South San Francisco in a fire zone that affects roofing?

While South San Francisco is not in a designated wildland-urban interface zone, California building code requires Class A fire-rated materials for all new roofing. Hamilton Exteriors installs only fire-rated products that meet or exceed San Mateo County requirements.

What ZIP codes in South San Francisco does Hamilton Exteriors serve?

We serve all South San Francisco ZIP codes and surrounding San Mateo County areas. From Westborough, Sunshine Gardens, Sign Hill, Buri Buri and beyond, our crews know the local building codes, HOA requirements, and neighborhood characteristics that affect roofing projects.

Does a new roof increase home value in South San Francisco?

A new roof in South San Francisco typically returns 60-70% of its cost at resale and can increase buyer confidence significantly. In the competitive Peninsula market where homes sell at $1,200,000, a well-maintained roof is a strong selling point.

Ready to start? (650) 977-3351

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21634 Redwood Rd Unit F, Castro Valley, CA 94546

Serving Oakland, Berkeley, Fremont, San Jose, Palo Alto, Walnut Creek, San Rafael, Napa, Redwood City & more across Alameda, Contra Costa, Marin, Napa, San Mateo & Santa Clara counties. All 47 cities →