San Rafael homeowners trust Hamilton Exteriors for siding replacement and installation that stands up to Marin County's coastal climate. We are a James Hardie Elite Preferred installer and an architect-led design-build contractor serving San Rafael since 2018. Every project includes a fully itemized estimate, a dedicated project manager, and a 50-year manufacturer warranty.
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Why San Rafael Homes Need the Right Siding
San Rafael sits at the intersection of two distinct Bay Area microclimates. Homes near the bay and the Richmond-San Rafael Bridge corridor experience persistent coastal fog and salt-laden air. Homes in the Terra Linda and Lucas Valley areas, further inland, see hotter, drier summers. This climate range demands siding materials that resist moisture, salt corrosion, and temperature swings.
Marin County is also designated a Wildland-Urban Interface (WUI) High or Very High Fire Hazard Severity Zone by CAL FIRE. Homes in these zones require Class A fire-rated exterior materials, including siding and roofing, to comply with California Chapter 7A building standards. Fiber cement siding carries a Class A fire rating and will not melt or ignite like vinyl, making it the recommended choice for San Rafael properties in fire-prone areas.
Seismically, Marin County lies near the western edge of the San Andreas Fault. While most of the county is classified as moderate seismic risk, proper siding installation includes secure fastening to the building's structural frame. This matters during seismic events, when loose or poorly attached siding can become a hazard.
Siding Services We Offer in San Rafael
We install, replace, and repair all major siding materials. Each option is suited to different San Rafael home styles and budgets.
James Hardie Fiber Cement Siding
James Hardie fiber cement is the most popular siding choice for San Rafael homeowners. It is engineered for coastal climates with HZ10 technology that resists moisture, fog, and salt air. It carries a Class A fire rating, will not rot or warp, and delivers an 86% return on investment at resale according to Remodeling Magazine's 2024 Cost vs. Value Report. Hamilton Exteriors is a James Hardie Elite Preferred installer, the highest certification level, which means your installation carries an extended manufacturer warranty.
We offer HardiePlank lap siding, HardieShingle panels, and HardiePanel vertical siding in a range of factory-applied ColorPlus finishes that resist fading and chalking.
Vinyl Siding
Premium CertainTeed and Ply Gem vinyl siding is a cost-effective option for San Rafael homes not located in WUI fire zones. It is available in 60+ colors and textures, requires minimal maintenance, and resists moisture. Vinyl siding costs less upfront than fiber cement but has a shorter lifespan of 20 to 30 years and cannot be used in fire zones where Class A materials are required.
Stucco Siding
Traditional three-coat stucco and EIFS systems suit San Rafael's Mediterranean and Spanish Colonial homes. Stucco is non-combustible, lasts 50 to 80 years with proper maintenance, and provides excellent noise reduction. It is a strong choice for homes in the Canal and Gerstle Park neighborhoods where older architecture calls for a seamless, textured finish.
Exterior Waterproofing and Moisture Protection
Behind every siding installation, we install a full weather-resistant barrier (WRB) system. This includes peel-and-stick flashing at all windows, doors, and penetrations, plus a mechanically fastened house wrap across wall surfaces. In San Rafael's fog belt, where moisture can penetrate behind siding that appears intact from the outside, a proper WRB is your home's primary defense against dry rot and structural water damage.
How Much Does Siding Cost in San Rafael?
All prices are per 100 square feet (one square) installed, including removal of existing siding, new weather barrier, materials, labor, trim, and cleanup. Actual pricing varies based on home size, number of stories, architectural details, and access. Pricing reflects Hamilton Exteriors 2024-2026 project data.
| Material | Installed Price Per Square | Total Cost for 2,000 sq ft Home |
|---|---|---|
| Vinyl siding | $975 to $1,275 | $19,500 to $25,500 |
| James Hardie fiber cement | $2,100 to $2,325 | $42,000 to $46,500 |
| Stucco (three-coat) | $1,950 | $39,000 |
| Exterior waterproofing | $825 | $16,500 |
Prices reflect Hamilton Exteriors installed pricing as of Q2 2026. Multi-story homes require scaffolding, which adds $1,500 to $4,000 (Hamilton Exteriors 2024-2026 project data). Homes with significant dry rot or water damage behind existing siding will need sheathing repairs before new siding goes on. Every Hamilton Exteriors estimate is fully itemized — materials, labor, trim, weather barrier, and disposal costs are all listed separately.
Why San Rafael Homeowners Choose Hamilton Exteriors
Architect-led design-build. Unlike most siding contractors, Hamilton Exteriors is led by Alexander Hamilton Li, a licensed architect and general contractor (CSLB #1078806). This means we evaluate your siding as part of the whole building system — considering ventilation, structural capacity, energy performance, and aesthetics together. We do not just install siding; we design the right exterior system for your home.
Factory-trained installers. Every crew member is manufacturer-certified by James Hardie, GAF, and CertainTeed. They are licensed, bonded, insured, and background-checked before they touch your home.
50-year warranty. James Hardie fiber cement siding carries a 50-year limited transferable warranty. Hamilton Exteriors backs every installation with our own workmanship guarantee for the full duration.
Your own project manager. One dedicated point of contact from first call to final walkthrough. You will always know who to reach.
Transparent pricing. Every estimate is itemized line by line — materials, labor, permits, cleanup. You see exactly where your money goes before we start.
Do You Need a Permit for Siding Replacement in San Rafael?
Yes. Most siding replacement projects in San Rafael require a building permit from the City of San Rafael Building Division. Permit fees typically range from $200 to $600 depending on the scope of work. Hamilton Exteriors handles the entire permit process — application, plan submission, and scheduling inspections. Permit fees appear as a separate line item in your estimate so you will see every cost upfront.
For homes in WUI fire zones, we ensure full compliance with local fire-rated material requirements. This includes verifying that siding materials meet Chapter 7A standards and that all penetrations are properly sealed with fire-rated caulk.
Get Your Free Siding Estimate in San Rafael
Ready to discuss your San Rafael siding project? Call us at (650) 977-3351 or fill out the form below. We will reach out within 3 to 5 minutes to schedule your on-site inspection. A specialist will visit your home within 3 days to measure and quote — at no cost.
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Reviewed by Alexander Hamilton Li, Architect & General Contractor · CSLB #1078806 · Updated April 2026



