Architect-led design-build. Factory-certified installers. Free on-site estimate.
San Leandro homeowners trust Hamilton Exteriors for siding replacement and installation. We are a James Hardie Elite Preferred Contractor and GAF Master Elite roofer, led by licensed architect and general contractor Alex Hamilton Li (CSLB #1078806). We serve San Leandro and all of Alameda County with fully itemized estimates, a dedicated project manager, and a 50-year manufacturer warranty on qualifying systems.
Why San Leandro Homeowners Choose Hamilton Exteriors for Siding
San Leandro's climate sits in the mild Mediterranean zone of the East Bay, but its proximity to the San Francisco Bay means homes face persistent coastal fog and salt-laden air. This accelerates wear on standard siding materials. Fiber cement siding from James Hardie is engineered specifically for this environment, resisting moisture, fog, and temperature swings that cause wood and vinyl to deteriorate.
Here is what sets us apart from other San Leandro siding contractors:
- Architect-led. Alex Hamilton Li is both a licensed architect and general contractor. He evaluates your siding as part of your home's whole building system, not just as a cladding replacement.
- Factory-certified installers. We hold James Hardie Elite Preferred, GAF Master Elite, and CertainTeed ShingleMaster certifications. Each requires annual training and quality audits.
- Transparent pricing. Every estimate is itemized line by line: materials, labor, trim, weather barrier, disposal, and permit fees. You see exactly where your money goes.
- Dedicated project manager. One point of contact from first call to final walkthrough. Daily progress updates with photos.
- 50-year system warranty. On qualifying James Hardie and GAF systems, you get a non-prorated material warranty plus our workmanship guarantee.
Siding Materials We Install in San Leandro
James Hardie Fiber Cement Siding
James Hardie fiber cement is the most popular siding choice for San Leandro homes. It is made from cement, sand, and cellulose fibers, and it will not warp, melt, or crack in Bay Area temperature swings. It carries a Class A fire rating, resists termites and rot, and delivers an 86% return on investment at resale according to Remodeling Magazine's 2024 Cost vs. Value Report.
HardiePlank lap siding, HardieShingle, and HardiePanel vertical are all available in a wide range of factory-applied ColorPlus colors that resist fading and chalking for decades.
Vinyl Siding
Premium CertainTeed and Ply Gem vinyl siding offers the best value for a fresh, low-maintenance exterior. Available in 60+ colors and textures, including wood-grain and shake profiles. Vinyl siding is moisture-resistant and requires no painting. It is a smart choice for rental properties and budget-conscious projects where fire zone compliance is not required.
Stucco Siding
Traditional three-coat stucco and EIFS systems are ideal for Mediterranean, Spanish Colonial, and Craftsman homes common in San Leandro's older neighborhoods. Stucco lasts 50 to 80 years with proper maintenance and offers excellent noise reduction and fire resistance.
Exterior Waterproofing
Complete exterior moisture protection including elastomeric coatings, flashing, and foundation membranes. San Leandro's coastal fog makes proper waterproofing essential to prevent water damage behind siding.
Siding Cost in San Leandro
All prices are per roofing square (100 sq ft), fully installed. Includes removal of existing siding, new weather barrier, materials, labor, trim, and cleanup. Pricing reflects Hamilton Exteriors 2024-2026 project data.
| Product | Installed Price per Square |
|---|---|
| Standard Vinyl | $975 |
| Insulated Vinyl | $1,275 |
| James Hardie HardiePlank Lap | $2,100 |
| James Hardie HardieShingle | $2,325 |
| James Hardie HardiePanel Vertical | $2,175 |
| Three-Coat Stucco | $1,950 |
| Exterior Waterproofing | $825 |
A typical 2,000 sq ft San Leandro home costs $12,500 to $28,000 for full siding replacement, depending on material and number of stories (Hamilton Exteriors 2024-2026 project data). Multi-story homes require scaffolding, which adds $1,500 to $4,000. 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.
San Leandro Building Permits for Siding
Most siding replacement projects in San Leandro require a building permit. The San Leandro Building Division oversees permit applications and inspections. Permit fees typically range from $200 to $600 for siding work, depending on project scope. Hamilton Exteriors handles the entire permit process: application, plan submission, and scheduling inspections. Permit fees appear as a separate line item in your estimate.
San Leandro is not in a designated Wildland-Urban Interface (WUI) fire zone, unlike the Oakland Hills and Berkeley Hills. However, if your property is near the eastern hills or has significant vegetation, we will verify fire code requirements during your inspection.
Climate and Seismic Considerations for San Leandro Siding
San Leandro's mild Mediterranean climate means moderate temperatures year-round, but coastal fog and salt air from the San Francisco Bay accelerate corrosion on exposed metal flashing and untreated wood. Homes within a few miles of the shoreline benefit significantly from fiber cement siding, which resists moisture absorption and salt damage.
San Leandro sits near the Hayward Fault, one of the most active fault zones in the Bay Area. When replacing siding, we inspect the underlying shear wall and structural connections. If we find inadequate tie-downs or deteriorated shear panels, we recommend reinforcement before new siding goes on. This is especially important for older San Leandro homes built before modern seismic codes.
Our Siding Process in San Leandro
- on-site inspection. We visit your home, measure every wall, inspect for moisture damage, dry rot, and structural issues. We discuss material options and provide a fully itemized estimate.
- Permit and planning. We pull the required San Leandro building permit and schedule the work around your timeline.
- Tear-off and preparation. We remove existing siding, inspect the sheathing, and repair any damage. We install a weather-resistant barrier with integrated flashing at every window, door, and penetration.
- Installation. Factory-trained crews install your chosen siding material to manufacturer specifications. We work in sections so exposed walls are never left unprotected overnight.
- Final inspection and cleanup. The city inspector signs off. We clean the job site, remove all debris, and do a final walkthrough with you.
Financing Options
Most siding projects range from $12,500 to $28,000 (Hamilton Exteriors 2024-2026 project data). We partner with multiple lenders to offer $0-down financing with approved credit, 12-month same-as-cash plans, and extended terms up to 15 years. You only pay for completed, inspected work. Ask about options during your estimate.
Get Your complimentary siding estimate in San Leandro
Ready to upgrade your San Leandro home's siding? Call us at (650) 977-3351 or fill out the form below. We will visit your home within 3 days to measure and quote, at no cost.
Get Your Free Quote
Alex Hamilton Li, Architect & General Contractor | CSLB #1078806 | Serving San Leandro and all of Alameda County
Call Now (650) 977-3351 
