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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

Custom Homes Contractor in Redwood City

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

Local Expertise

Custom Homes in Redwood City: What Local Homeowners Need to Know

Redwood City's housing stock includes 1950s-60s ranches and tract homes in Woodside Plaza and Redwood Village and turn-of-century Victorians and Craftsmans downtown. For homeowners who want something purpose-built for Redwood City's climate and lifestyle, a ground-up custom home eliminates the compromises of renovating aging structures.

Redwood City's climate — warmest microclimate on the Peninsula — summer highs 85-95°F. South-facing Emerald Hills homes get intense UV. Limited fog penetration compared to coastal San Mateo County. — directly impacts custom homes performance and material selection. The most common issues we address in Redwood City include UV degradation and thermal cycling crack composition shingles 3-5 years faster than coastal cities. Original stucco on 1950s ranches develops extensive hairline cracking from expansion/contraction.. Hamilton Exteriors selects materials proven for Redwood City's Title 24 Climate Zone 3 conditions and backs every installation with our 50-year warranty.

Redwood City's housing stock spans 10% pre-1940, 30% 1940-1960, 30% 1960-1985. Architectural styles range from 1950s-60s ranches and tract homes in Woodside Plaza and Redwood Village to turn-of-century Victorians and Craftsmans downtown. Each era and style presents different custom homes 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

Custom Homes Costs in Redwood City

$210,000–$450,000

Median home value in Redwood City: $1,750,000

Prices reflect Redwood City's premium 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 Northern California homeowners across BBB, Trustpilot, Google, and Yelp

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Rated 4.8/5.0

What Custom Home Services Are Available?

Ground-Up Construction by Hamilton Exteriors in Northern California

Ground-Up Construction

Build your dream home from the ground up. We manage every phase — site prep, foundation, framing, electrical, plumbing, and finishing. One team, one point of contact, no miscommunication.

Design & Architecture by Hamilton Exteriors in Northern California

Design & Architecture

Our in-house architects and designers work with you from concept to blueprints. We create floor plans, 3D renderings, and construction documents that bring your vision to life — tailored to your lot, budget, and lifestyle.

Engineering & Permits by Hamilton Exteriors in Northern California

Engineering & Permits

We handle structural engineering, Title 24 energy compliance, soils reports, and all permit applications. Bay Area permitting is complex — we navigate city planning departments daily so you don't have to.

Additions & Renovations by Hamilton Exteriors in Northern California

Additions & Renovations

Expand your home with second story additions, room additions, or full-scale renovations. We handle structural engineering, load-bearing wall removal, and seamless integration with your existing home.

Neighborhoods We Serve

Custom Homes Across Redwood City Neighborhoods

Woodside Plaza

Woodside Plaza homeowners frequently choose Hamilton Exteriors for custom homes. Redwood City's housing stock includes 1950s-60s ranches and tract homes in Woodside Plaza and Redwood Village and turn-of-century Victorians and Craftsmans downtown. With Redwood City's Peninsula warm pocket: summer highs 80-95°F, winter lows 38-48°F, material selection in Woodside Plaza requires local expertise.

Farm Hill

In Farm Hill, homes are predominantly turn-of-century Victorians and Craftsmans downtown. For homeowners who want something purpose-built for Redwood City's climate and lifestyle, a ground-up custom home eliminates the compromises of renovating aging structures.. Our crews are familiar with Farm Hill's architectural character and building requirements.

Emerald Hills

From Emerald Hills to Woodside Plaza, Redwood City homeowners trust Hamilton Exteriors for custom homes that stands up to warmest microclimate on the Peninsula — summer highs 85-95°F. South-facing Emerald Hills homes get intense UV. Limited fog penetration compared to coastal San Mateo County.. We handle permits, engineering, and installation — you get a single point of contact.

Redwood Shores

Redwood Shores presents opportunities for custom waterfront living in Redwood City. Construction near the Bay requires careful attention to soil conditions, moisture management, and elevated foundation design.

Downtown Redwood City

Downtown Redwood City offers urban-adjacent custom home opportunities near restaurants, transit, and the revitalized commercial core. Infill construction here requires careful design to maximize space on typically smaller lots.

Roosevelt

Roosevelt is a walkable Redwood City neighborhood with tree-lined streets. Custom homes here blend with the area's established character. We design homes that respect the streetscape while incorporating contemporary living standards.

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.

How much does it cost to build a custom home in Redwood City?

Custom home construction in Redwood City typically costs $350-$600 per square foot depending on finishes, complexity, and lot conditions. With land values at $1,750,000 in Redwood City, a custom build can be more cost-effective than buying. We provide detailed estimates during your free consultation.

How long does it take to build a custom home in Redwood City?

Most custom homes in Redwood City take 12-18 months from design to completion. The San Mateo County permitting process adds 2-4 months. We manage every phase so there are no gaps between design, permits, and construction.

Does Hamilton Exteriors handle permits for custom homes in Redwood City?

Yes. We handle all custom home permitting in Redwood City and San Mateo County — architectural plans, structural engineering, soils reports, Title 24 energy compliance, and city submissions. We navigate Redwood City planning departments daily.

Can I build a modern farmhouse in Redwood City?

Absolutely. Modern farmhouse is one of our most requested styles in Redwood City. We design and build everything from contemporary modern to craftsman and Mediterranean. Many homeowners in Roosevelt are choosing modern designs that complement the neighborhood character.

Do you build on hillside lots in Redwood City?

Yes. Many lots in Redwood City and San Mateo County are on slopes. We have extensive experience with hillside construction, including retaining walls, custom foundations, and grading. Our engineers evaluate every lot for feasibility.

What permits are required for a custom home in Redwood City?

Custom homes in Redwood City require building permits, grading permits (if applicable), and utility connections through San Mateo County. We manage all permit applications, plan check responses, and inspections. CSLB #1078806 covers the full scope.

Are there buildable lots available in Redwood City?

Buildable lots in Redwood City are limited but available, particularly through tear-downs of older homes in Redwood Shores, Emerald Hills, Farm Hill, Woodside Plaza. We help clients evaluate lot potential, including soil conditions, slope, utilities, and zoning before purchase.

Does Hamilton Exteriors handle both design and construction?

Yes, our architect-led design-build approach means a single team handles architecture, engineering, permitting, and construction for your Redwood City custom home. This eliminates coordination gaps and keeps costs predictable throughout the project.

What financing options exist for custom home construction in Redwood City?

Custom home financing typically uses construction-to-permanent loans. We work with lenders experienced in Redwood City ground-up projects and provide the documentation they require. Our detailed budgets and timelines support smooth loan approvals.

Can I build a green or energy-efficient custom home in Redwood City?

Absolutely. We design to California's Title 24 standards and beyond, incorporating solar readiness, high-performance insulation, energy-efficient windows, and sustainable materials. Redwood City's warmest microclimate on the Peninsula with summer highs reaching 85-95F is well-suited to passive design strategies.

Ready to start? (650) 977-3351

Call now — we pick up in minutes. Or fill out the form above and we'll call you.

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 →