Siding projects in Gilroy reflect the realities of the South Bay / Santa Clara County construction market: skilled-labour rates, permit fees, and material costs that sit above the national average. Siding costs in the Bay Area depend heavily on material choice, the size and complexity of the home, and what’s found behind the old siding. Multi-story homes and homes with complex trim profiles cost more.
Cost Ranges for Siding in Gilroy
The following ranges reflect current pricing for Gilroy and the wider South Bay / Santa Clara County area:
- Fiber cement (HardiePlank) — 1,500 sq ft: $16,000–$28,000
- Fiber cement (HardiePlank) — 2,500 sq ft: $24,000–$42,000
- Wood siding replacement — 1,500 sq ft: $18,000–$35,000
- Partial siding repair (one elevation): $4,000–$10,000
- Sheathing repair (add-on): $1,500–$6,000
Labour and Market Costs in Gilroy
Licensed tradespeople in the Bay Area — plumbers, electricians, tile setters, carpenters — work in one of the highest labour markets in the country, typically billing $100–$140 per hour. Gilroy has warm, dry summers. Heat-rated exterior materials are appropriate here, especially on south and west facing exposures.
Key Factors That Affect Your Price
- Story height — multi-story requires scaffolding
- Trim complexity — Victorian profiles take more time
- Sheathing damage behind old siding
- Number of penetrations — windows, doors, vents
- Paint finish — included or separate scope
Permit Requirements
Many siding scopes in Gilroy require permits through the Gilroy Building Department. Permit fees typically add $500–$3,500 to a project’s total. A licensed contractor should pull all required permits — if a contractor suggests skipping permits on significant work, that is a red flag.
Getting an Accurate Estimate
IronNest Construction provides written, fixed-scope estimates after an in-person assessment. We serve Gilroy and the South Bay / Santa Clara County. Common project areas include Downtown Gilroy, Miller, Glen Loma Ranch. Contact us for a free estimate — no phone quotes, because every property is different.