Napa's combination of intense summer heat, UV exposure, and fire risk makes siding selection critical. James Hardie fiber cement siding leads the market here for good reason: it carries Class A fire rating, resists UV fading that plagues vinyl in 100-degree summers, and handles the thermal cycling between freezing winter nights and scorching summer days. Hamilton Exteriors is a James Hardie Elite Preferred contractor serving Napa and all of Napa County.
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Siding Contractor in Napa
500+ projects
Since 2018
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For local cost factors and planning, read our Siding cost guide for Napa.
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Send your project details. We will review the exterior wall system and schedule the right inspection before preparing the scope.
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Responsive from consultation through project closeout
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Siding Services 
Choose the Siding Service That Fits Your Exterior
Vinyl Siding
CertainTeed and Ply Gem vinyl options planned with the weather barrier, flashing, trim, ventilation clearances, and wall condition.
Fiber Cement Siding
James Hardie fiber cement planned around exposure, fire requirements, moisture control, trim, clearances, and finish details.
Stucco
Stucco repair and new wall-system scopes coordinated with lath, flashing, drainage, control joints, texture, and paint.
Exterior Wall Waterproofing
Leak investigation and moisture-control work focused on wall transitions, penetrations, flashings, coatings, and drainage paths.
Old Town Napa's historic Victorians and Queen Annes often have original wood clapboard siding showing decades of weather damage and dry rot. Browns Valley ranch homes from the 1950s and 60s frequently have deteriorating stucco. Each neighborhood presents unique siding challenges, and our crews have experience matching period-appropriate profiles for historic homes while meeting modern fire and energy codes.
The 2017 and 2020 fires in Napa County have changed how homeowners think about exterior materials. Properties in WUI zones now require ignition-resistant siding meeting Chapter 7A standards. Even outside designated fire zones, many Napa homeowners choose fire-rated siding for insurance benefits and peace of mind. Hamilton Exteriors evaluates your parcel's fire zone status and recommends materials that meet or exceed local requirements.
Neighborhoods We Serve
Siding Across Napa Neighborhoods
Local planning starts with the site, neighborhood context, access, and applicable city review.
Browns Valley
Browns Valley homes benefit from James Hardie fiber cement siding that handles Napa's temperature extremes. Many ranch-era homes here have original stucco showing heat cracks and settlement damage. Hamilton Exteriors repairs underlying structure before installing new siding for lasting results.
Old Town Napa
Old Town Napa's historic homes deserve siding that respects their architectural heritage. Hamilton Exteriors matches period-appropriate clapboard profiles in durable fiber cement, preserving the character of these Victorian and Craftsman homes while upgrading fire resistance and weatherproofing.
Westwood
Westwood homeowners frequently upgrade from original stucco to James Hardie siding for improved appearance and lower maintenance. Our crews handle stucco removal, sheathing inspection, weather barrier installation, and precise siding application. Westwood homes look renewed after our work.
Bel Aire
Bel Aire's family-oriented neighborhood benefits from siding upgrades that boost curb appeal and reduce maintenance. Hamilton Exteriors offers a range of Hardie plank colors and profiles, letting Bel Aire homeowners personalize their home's exterior with materials that last decades.
Silverado
Silverado properties near fire zones require ignition-resistant siding meeting Chapter 7A standards. James Hardie fiber cement satisfies these requirements while maintaining the aesthetic quality Silverado homeowners expect. Hamilton Exteriors verifies your fire zone status and installs compliant materials.
Alta Heights
Alta Heights homes face intense sun exposure that fades and damages lesser siding materials. Hardie fiber cement's ColorPlus technology resists UV fading even in Alta Heights' sun-drenched conditions. Hamilton Exteriors installs siding rated for these demanding hillside exposures.
Project Management How Hamilton Exteriors
How Hamilton Exteriors
Manages Your Siding Project
Wall Assembly Review
We review the cladding, visible moisture damage, wall transitions, windows, doors, and drainage details before defining the scope.
Cladding Detail Plan
Your proposal identifies the selected siding, weather barrier, flashing, trim, sealants, repairs, permits, and disposal.
Moisture-Control Installation
We coordinate removal, documented repairs, weather-resistive barrier, flashing, cladding, trim, sealants, and required inspections.
Warranty and Closeout
We review applicable product and workmanship warranty terms, check transitions and sealants, complete cleanup, and close out the project.
Latest Siding Projects
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SidingJames Hardie Siding Installation
Location
Pleasanton
Products
James Hardie
Completed
May 28, 2026
Google rating 4.6 ★ from 47 public reviews
Siding Project Reviews
Verified public reviews from homeowners who hired Hamilton Exteriors.
S
Sarah M.
via Yelp
The team at Hamilton Exteriors was respectful, on time, and did excellent work. They made sure to communicate with us throughout the entire process. Our new siding looks beautiful, and the quality of the materials they used is top-notch.
E
Ethan W.
via HomeAdvisor
I recently hired Hamilton Exteriors to replace my siding and windows, and they did a fantastic job. Their team was punctual, polite, and paid close attention to detail. The siding looks seamless, and the new windows have made a noticeable difference in both appearance and energy efficiency. Communication was always clear, and they finished on time and within budget. I’m very happy with their work and would definitely recommend them.
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.
H
H.T.
via Google
I had a great experience working with Hamilton exteriors. From start to finish, their team was professional, responsive, and detail-oriented. They made the entire process smooth and stress-free, keeping me updated every step of the way. The quality of their work really stands out. Everything was done efficiently and exceeded my expectations. If you’re looking for a reliable company that takes pride in what they do, I highly recommend them!
Google rating: 4.6/5 from 47 public reviews
Read reviews on Google Mid Market
Siding Costs in Napa
$18,000–$34,000
Median home value in Napa: $850,000
Prices reflect Napa's mid market and Napa County labor rates. Actual costs depend on home size, materials, and project complexity. We provide free, itemized estimates with no hidden fees.
Get Your EstimateCompare Broad Siding System Paths
Swipe to compare all options.
| Feature | Vinyl | Fiber Cement | Stucco |
|---|---|---|---|
| Exterior finish | Interlocking panels | Lap, shingle, or panel profiles | Continuous textured finish |
| Moisture-control focus | Drainage plane and trim details | Clearances, flashing, and sealed joints | Lath, drainage, joints, and coatings |
| Fire planning | Project-specific product review | Noncombustible product path | Noncombustible wall finish path |
| Ongoing care | Cleaning and joint checks | Finish and sealant checks | Crack, joint, and coating checks |
| Dedicated guide | Vinyl siding | Fiber cement siding | Stucco |
Siding Financing
Plan Your Siding Project With Approved Credit
Financing may be available for eligible siding replacements and larger exterior wall projects with approved credit. During your siding consultation, we review the scope and explain current lender programs, terms, and payment timing.
Ask which current options fit your siding project.
Call Now (650) 977-3351 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 Siding Replacement Cost in Napa?
Siding cost depends on the selected system, measured exterior wall area, access, and repair needs. A home's floor area is not the siding area. Ask for a written proposal covering removal, weather protection, trim, installation, and disposal, with concealed repairs handled separately.
Do I Need a Permit for Siding Replacement in Napa?
Yes. The City of Napa requires a building permit for any siding replacement that involves removing and reinstalling exterior wall cladding. Your contractor should pull the permit and schedule the required inspections. Permit applications are submitted through the Napa Building Division. Hamilton Exteriors handles the entire permit process — application, plan submission, and scheduling inspections — as part of every siding project.
How Long Does Siding Installation Take in Napa?
James Hardie fiber cement siding projects on Napa homes typically take 1 to 2 weeks, depending on the home's square footage, number of stories, and architectural complexity. Vinyl siding is faster — usually 3 to 5 days. Every project includes removal of old siding, inspection and repair of underlying sheathing, installation of a weather-resistant barrier, new siding, and trim and caulking. We work in sections around your home so exposed walls are never left unprotected overnight.
What is the best siding material for Napa's fire zone?
James Hardie fiber cement is the best choice for Napa homes in WUI fire zones. It carries a Class A fire rating, will not ignite or melt, and meets California Chapter 7A requirements. Vinyl siding is not fire-rated and should only be used on homes outside Very High FHS
How much does siding replacement cost in Napa?
A full siding replacement on a typical 2,000 sq ft Napa home costs $12,500 to $30,000 depending on material (Hamilton Exteriors 2024-2026 project data). Vinyl runs $12,500 to $16,500. James Hardie fiber cement runs $27,000 to $30,000. Stucco runs approximately $25,000. Multi-story homes and homes requiring dry rot repair will cost more.
Your Next Step
Plan Your Project With a Clear Scope
Financing may be available with approved credit for eligible projects.
Tell us about your project. We usually call within 3–5 minutes to schedule the next step.
21634 Redwood Rd Unit F, Castro Valley, CA 94546
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