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Hamilton Exteriors — roofing, siding, and exterior remodeling in Alameda, CA
4.6 stars from 47 Google reviews

Home Remodeling Contractor in Alameda

Licensed California general contractor
Project scope reviewed before construction
Permits and inspections coordinated
CSLB #1078806

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Factory-certified by our manufacturer partners

GAF Master Elite Contractor
James Hardie siding
Top Rated Local Top 10 business badge
Anlin Windows and Doors
Tesla Powerwall Certified Installer
What We Build

Available Services in Alameda

ADUs services by Hamilton Exteriors in Alameda

ADUs

Property feasibility, design, permits, utilities, and construction planning for accessory dwelling units and garage conversions.

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, Hamilton Exteriors customer

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.

Project Management

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 Alameda's Best Neighborhoods

Hamilton Exteriors has completed projects across Alameda — from Gold Coast to Marina Village. Here are some of the communities we serve.

East End

From energy-efficient window installations to ground-up custom homes, East End residents choose Hamilton Exteriors for our design-build expertise. With Alameda's microclimate — True maritime island climate — material selection matters. We handle architecture, engineering, permits, and construction.

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.

How much does a home renovation cost in Alameda?

Costs in Alameda reflect the premium market and local labor rates. Roof replacements typically run $12,000–$25,000 for a standard home, siding from $24,000–$42,000, and window replacements from $500–$1,000 per window depending on type and frame material. ADUs range from $210,000–$450,000. With median home values at $1,350,000 in Alameda, these improvements are strong investments. We provide free, itemized estimates for every project — no hidden fees.

Why do Alameda homeowners choose Hamilton Exteriors?

Alameda is island city in San Francisco Bay with one of California's largest collections of Victorian-era homes, with housing stock that includes 1890s-1910s Victorians (Queen Anne, Stick-Eastlake) on the Gold Coast and West End, 1920s-30s Craftsman bungalows, 1940s wartime housing on Alameda Point, and mid-century ranch on Bay Farm Island. These homes face specific challenges: severe salt air corrosion on metal flashings and fasteners, pervasive dry rot and termite damage on Victorian-era wood siding (many homes 100+ years old), and moss/algae from persistent marine moisture. With median home values at $1,350,000, exterior work is a significant investment that demands a contractor who understands Alameda's unique conditions. Hamilton Exteriors brings local knowledge of Alameda County building codes, Title 24 Climate Zone 3 requirements, and climate-specific material selection to every project.

What neighborhoods in Alameda does Hamilton Exteriors serve?

We serve all Alameda neighborhoods including Gold Coast, West End, East End, Bay Farm Island, Fernside, and surrounding areas. With a population of 79,800, Alameda has a wide range of home styles — 1890s-1910s Victorians (Queen Anne, Stick-Eastlake) on the Gold Coast and West End, 1920s-30s Craftsman bungalows, 1940s wartime housing on Alameda Point, and mid-century ranch on Bay Farm Island. Our crews are familiar with the architectural character of each neighborhood and carry materials suited to Alameda's climate: True maritime island climate. Summer highs 65-75°F (coolest in Alameda County). Persistent morning fog, strong bay winds. Salt air exposure 360 degrees. Annual rainfall 20-24 inches. No frost.

What exterior problems are most common in Alameda?

Alameda's climate — island microclimate with salt air exposure on all sides, persistent morning fog, strong bay winds on the western tip, and marine moisture keeping surfaces damp longer than mainland cities — creates specific challenges for homeowners. The most common issues we see are severe salt air corrosion on metal flashings and fasteners, pervasive dry rot and termite damage on Victorian-era wood siding (many homes 100+ years old), and moss/algae from persistent marine moisture. For roofing, No VHFHSZ. Salt air corrodes exposed metal — stainless steel fasteners and galvanized flashings recommended. Moss/algae common from marine moisture. Victorian steep-pitch roofs may require scaffolding. Historic district review required for contributing structures. For siding, Historic Preservation Ordinance covers 9,000+ buildings — original wood siding restoration often required on contributing structures. Salt air deteriorates paint faster — 5-7 year repaint cycles. Hardie profiles acceptable on non-contributing structures. Hamilton Exteriors selects materials proven to perform in Alameda's conditions and backs every installation with our 50-year warranty.

Does a new roof or siding increase home value in Alameda?

Yes. With Alameda's median home value at $1,350,000, exterior upgrades deliver strong ROI. A new roof recoups 60-65% of its cost at resale in the Bay Area, while fiber cement siding (James Hardie) recovers up to 86%. In competitive Alameda neighborhoods like Gold Coast and West End, curb appeal directly impacts days on market and final sale price. Hamilton Exteriors helps Alameda homeowners choose materials that maximize both protection and resale value.

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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 →

Hamilton Exteriors — Serving Alameda, CA