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Hamilton Exteriors — Northern California roofing, siding, and exterior remodeling
4.8-star rated by 39 verified Northern California homeowners

CSLB #1078806 · Architect & General Contractor · Building Northern California homes since 2018

Roofing Contractor in Sunnyvale

Serving Sunnyvale & Santa Clara County
Licensed & Insured
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Hamilton Exteriors provides professional roofing services in Sunnyvale, California. Sunnyvale has approximately 55,000 housing units, many built during the 1950s-1970s tech boom. The Lakewood, Sunnyvale West, and Cherry Chase neighborhoods have a high concentration of homes in the 30-50 year age range where roof replacement is overdue. Licensed under CSLB #1078806, we handle all Sunnyvale building permits and inspections. Call (650) 977-3351 for an estimate.

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Sunnyvale's Building Division offers streamlined permit processing for residential re-roofing. Online applications are available, with standard turnaround of 5-7 business days. For Sunnyvale roofing specifically, our work across Lakewood, Sunnyvale West and Cherry Chase comes down to Class A assembly selection, ember-resistant venting, and the seismic detailing 1970s-and-older homes need before a re-roof — the kind of decisions an architect-led design-build team is set up to call.

If you are a Sunnyvale homeowner searching for a roofing contractor, you want someone who understands the specific conditions of your home and your city. Hamilton Exteriors is an architect-led, GAF Master Elite roofing contractor serving Sunnyvale and all of Santa Clara County. We provide fully itemized estimates, 50-year manufacturer warranties, and a dedicated project manager for every job.

A roof replacement in Sunnyvale typically costs between $18,000 and $35,000 for a standard 2,000-square-foot home with architectural asphalt shingles (Hamilton Exteriors 2024-2026 project data). This range includes tear-off, underlayment, flashing, labor, and cleanup. Permit fees in Sunnyvale add $400 to $900 depending on project scope. For a precise quote tailored to your address, call (650) 977-3351 or request your free on-site estimate.

Why Choose an Architect-Led Roofing Contractor in Sunnyvale?

Most roofing companies in Sunnyvale are tradesmen-only. Hamilton Exteriors is different. Our founder, Alexander Hamilton Li, is both a licensed architect and a general contractor (CSLB #1078806). This means we evaluate your roof as part of your home's entire building system — not just as a surface to cover.

When we inspect a Sunnyvale home, we consider:

  • Structural capacity: Can your roof deck support heavier materials like tile?
  • Ventilation: Is your attic properly ventilated for Santa Clara County's hot summers?
  • Energy performance: Would a cool-roof product reduce your cooling bills?
  • Fire compliance: Is your home in a WUI zone requiring Class A materials?

This holistic approach means fewer surprises and a roof that performs better for longer.

Roofing Services We Provide in Sunnyvale

We offer a full range of roofing services for Sunnyvale homes:

  • Roof replacement: Complete removal and installation of new roofing systems
  • Roof repair: Targeted fixes for leaks, storm damage, and wear
  • Emergency tarping: Same-day service for active leaks
  • Gutter replacement: Seamless aluminum gutters installed alongside your new roof
  • Skylight installation and re-flashing: Prevent leaks around roof penetrations

Roofing Materials for Sunnyvale Homes

The best material for your Sunnyvale home depends on your budget, home style, and location within the city.

Architectural Asphalt Shingles: $940 to $1,125 per Square

Asphalt shingles are the most popular choice for Sunnyvale homes. We install GAF Timberline HDZ, CertainTeed Landmark, and Owens Corning Duration — all with Class A fire ratings and 50-year system warranties. These shingles perform well in Santa Clara County's hot summers and mild winters.

Metal Roofing: $1,200 to $1,800 per Square

Metal roofs are an excellent choice for Sunnyvale homes in fire-prone areas. According to research from Oak Ridge National Laboratory, metal roofing with reflective coatings can reduce cooling costs by 10 to 25 percent. Metal roofs last 40 to 70 years and carry Class A fire ratings.

Tile Roofing: $1,500 to $2,500 per Square

Clay and concrete tile roofs are common on Mediterranean and Spanish-style homes throughout Santa Clara County. Tile lasts 75 to 100 years but adds significant weight — typically 900 to 1,200 pounds per square. Many Sunnyvale homes built before 1970 may need structural reinforcement before tile installation.

Sunnyvale Climate and Your Roof

Sunnyvale experiences hot summers with temperatures regularly exceeding 90 degrees Fahrenheit. This heat accelerates granule loss on asphalt shingles and can cause thermal expansion in metal panels. Proper attic ventilation is critical — we check your current ventilation during every inspection and recommend upgrades where needed.

The city also sits in a region influenced by the San Andreas, Calaveras, and Hayward faults. Seismic building codes require specific fastening patterns and underlayment to ensure your roof stays secure during ground movement. We follow all California seismic code requirements.

Fire Zone Compliance in Sunnyvale

While much of Sunnyvale's flatlands are not in designated WUI zones, properties in the western foothills near Cupertino and Saratoga may fall within Very High Fire Hazard Severity Zones as mapped by CAL FIRE. Homes in these areas must meet Chapter 7A fire-resistant building standards, which require:

  • Class A fire-rated roofing materials
  • Ember-resistant vents
  • Fire-rated underlayment
  • Non-combustible eave assemblies

We verify your property's fire zone designation during your inspection and ensure full compliance.

Sunnyvale Building Permits for Roof Replacement

The City of Sunnyvale requires a building permit for all roof replacements. Permit fees typically range from $400 to $900 depending on the scope of work (Hamilton Exteriors 2024-2026 project data). Your contractor should handle the permit application and all required inspections.

We pull permits for every project we complete. The permit process includes a final inspection that confirms code compliance — an important protection when you sell your home. Visit the Sunnyvale Building Division for more information on permit requirements.

How Hamilton Exteriors Prices Roof Replacements

Every estimate we provide is fully itemized. You see separate line items for:

  • Tear-off and disposal
  • Underlayment
  • Roofing material
  • Flashing and ridge vents
  • Labor
  • Permit fees
  • Cleanup

This transparency means you can compare our pricing against other contractors and understand exactly where your money goes. We also include a per-sheet price for potential decking replacement ($75 to $150 per 4x8 sheet) so there are every cost itemized if rotted plywood is discovered during tear-off (Hamilton Exteriors 2024-2026 project data).

What Sunnyvale Homeowners Say

We are rated 4.8 stars by verified Bay Area homeowners across Google, Yelp, and Angi. Our Sunnyvale clients consistently mention our transparent pricing, professional crews, and the peace of mind that comes from working with an architect-led contractor.

Get Your Free On-Site Estimate for Your Sunnyvale Home

Ready to replace your roof? Call (650) 977-3351 or request your free on-site estimate online. We will inspect your roof, discuss material options, and provide a fully itemized estimate —, just clear information to help you make the right decision for your home.

Hamilton Exteriors | CSLB #1078806 | GAF Master Elite Contractor | Serving Sunnyvale and all of Santa Clara County

Local Expertise

Roofing in Sunnyvale: What Local Homeowners Need to Know

Lakewood Eichlers require flat-roof membrane systems. Conventional homes predominantly asphalt shingle. Cool roof requirements apply. Hot summers make ridge vent + soffit ventilation critical — without it, attic temps exceed 150°F.

Sunnyvale's climate — Climate Zone 4. Summer highs 82-92°F. Dry Mediterranean with very low humidity. Hayward Fault zone runs through eastern edge. More heat exposure than Peninsula cities. — directly impacts roofing performance and material selection. The most common issues we address in Sunnyvale include Lakewood Village Eichler chronic flat-roof leaks and siding deterioration — the single largest exterior renovation market in Sunnyvale. 1960s-70s tract homes citywide have aging asphalt roofs at end of life. Original aluminum windows are single-pane energy hogs.. Hamilton Exteriors selects materials proven for Sunnyvale's Title 24 Climate Zone 4 conditions and backs every installation with our 50-year warranty.

Sunnyvale's housing stock spans 5% pre-1940, 30% 1940-1960, 40% 1960-1980. Architectural styles range from Lakewood Village is one of the biggest Eichler concentrations in the Bay Area to 1950s-60s ranch in Birdland (streets named after birds). 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 39 Verified Northern California Homeowners

What Homeowners Say About Our Work

Real reviews from verified Northern California homeowners.

deborah maxey, Hamilton Exteriors customer

deborah maxey

in the last week

Great job and very professional the 1st photo is before and the other 2 is upon completion of work.

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.

Northern California home with financing options available through Hamilton Exteriors
Financing Options

Financing Options Available For Everyone

Most Northern California 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.

Premium Market

Roofing Costs in Sunnyvale

$18,000–$40,000

Median home value in Sunnyvale: $1,900,000

Prices reflect Sunnyvale's premium market and Santa Clara 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 Northern California homeowners across BBB, Trustpilot, Google, and Yelp

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Rated 4.8/5.0
Rated 4.8/5.0

What Roofing Styles Are Available?

Asphalt Shingles by Hamilton Exteriors in Northern California

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 Northern California

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 Northern California

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 Northern California

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 Sunnyvale Neighborhoods

Lakewood Village

Lakewood Village homeowners frequently choose Hamilton Exteriors for roofing. Lakewood Eichlers require flat-roof membrane systems. With Sunnyvale's Northwest (near Moffett Field) 3-5°F cooler with marine influence, material selection in Lakewood Village requires local expertise.

Birdland

In Birdland, homes are predominantly 1950s-60s ranch in Birdland (streets named after birds). Conventional homes predominantly asphalt shingle. Our crews are familiar with Birdland's architectural character and building requirements.

Ponderosa

From Ponderosa to Raynor Park, Sunnyvale homeowners trust Hamilton Exteriors for roofing that stands up to Climate Zone 4. Summer highs 82-92°F. Dry Mediterranean with very low humidity. Hayward Fault zone runs through eastern edge. More heat exposure than Peninsula cities.. We handle permits, engineering, and installation — you get a single point of contact.

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 Antioch Roofing

Architectural Shingle Roof Replacement

Location

Antioch

Products

GAF Architectural Shingles

Completed

Jun 25, 2026

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 do you serve?

We serve Northern California across three regions: the San Francisco Bay Area (six counties from Alameda to Santa Clara), Greater Sacramento (Sacramento out to Roseville, Folsom, and Davis), and the Central Valley (Stockton to Modesto). Our crews are based in Castro Valley. 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 Northern California 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.

Why Choose an Architect-Led Roofing Contractor in Sunnyvale?

Most roofing companies in Sunnyvale are tradesmen-only. Hamilton Exteriors is different. Our founder, Alexander Hamilton Li, is both a licensed architect and a general contractor (CSLB #1078806). This means we evaluate your roof as part of your home's entire building system — not just as a surface to cover. When we inspect a Sunnyvale home, we consider: - Structural capacity: Can your roof deck support heavier materials like tile? - Ventilation: Is your attic properly ventilated for Santa Clara

How much does a roof replacement cost in Sunnyvale?

A typical roof replacement in Sunnyvale costs $18,000 to $35,000 for a 2,000-square-foot home with architectural asphalt shingles. This includes tear-off, underlayment, flashing, labor, and cleanup. Permit fees add $400 to $900. Metal and tile roofs cost more — typically $30,000 to $55,000 for the same size home. See our 2026 Bay Area roof replacement cost guide for detailed pricing.

How long does a roof replacement take in Sunnyvale?

Most asphalt shingle roof replacements take 3 to 5 days from tear-off to cleanup. Metal and tile roofs may take 5 to 7 days. Weather delays are uncommon during Sunnyvale's dry season (April to October).

Do I need a permit for a roof replacement in Sunnyvale?

Yes. The City of Sunnyvale requires a building permit for all roof replacements. Permit fees range from $400 to $900 (Hamilton Exteriors 2024-2026 project data). We handle the permit application and all required inspections.

What roofing material is best for Sunnyvale's climate?

Architectural asphalt shingles from GAF, CertainTeed, or Owens Corning offer the best balance of cost, durability, and performance for most Sunnyvale homes. Metal roofing is ideal for fire-prone foothill properties and homeowners planning to stay long-term. Tile works well on Mediterranean-style homes but requires structural evaluation.

Is Hamilton Exteriors licensed and insured?

Yes. We hold CSLB #1078806 — verify it anytime. We carry $2 million general liability insurance, full workers' compensation coverage, and are bonded per California law. We are also GAF Master Elite, Owens Corning Preferred, and CertainTeed ShingleMaster certified.

Do you offer financing for roof replacement in Sunnyvale?

Yes. We offer $0-down financing with approved credit, 12-month same-as-cash plans, and extended terms up to 15 years for larger projects (Hamilton Exteriors 2024-2026 project data). You only pay for completed, inspected work. Ask about financing options during your free on-site estimate.

How do I know if I need a full replacement vs. a repair?

If your roof is over 20 years old and shows widespread curling, granule loss, or multiple leaks, a full replacement is usually more cost-effective. If damage is isolated to a small area and the rest of the roof is in good condition, a repair may extend its life by 5 to 10 years. We provide honest recommendations during your inspection.

Do you serve other cities in Santa Clara County?

Yes. We serve all of Santa Clara County, including San Jose, Palo Alto, Cupertino, Mountain View, Los Gatos, and more. See our Santa Clara County roofing services page for the full list.

Our Services in Sunnyvale, California

Sunnyvale has approximately 55,000 housing units, many built during the 1950s-1970s tech boom. The Lakewood, Sunnyvale West, and Cherry Chase neighborhoods have a high concentration of homes in the 30-50 year age range where roof replacement is overdue.

Sunnyvale's Building Division offers streamlined permit processing for residential re-roofing. Online applications are available, with standard turnaround of 5-7 business days.

Ready to start? (650) 977-3351

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21634 Redwood Rd Unit F, Castro Valley, CA 94546

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