cost-guide
Window Replacement Cost in Castro Valley | Hamilton Exteriors
Window replacement cost in Castro Valley ranges from $650 to $1,500 per window installed. Architect-led pricing guide with permit info. CSLB #1078806.
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cost-guide
Siding Installation Cost in Castro Valley | Hamilton Exteriors
Siding installation cost in Castro Valley ranges from $12,500 to $28,000 for a typical home. Get a fully itemized estimate from architect-led Hamilton
cost-guide
Second Story Addition Cost in Castro Valley | Hamilton Exteriors
Second story addition costs in Castro Valley range from $200 to $400 per square foot. Get a detailed breakdown of pricing, permits, and seismic requirements
cost-guide
Roof Replacement Cost in Castro Valley | Hamilton Exteriors
Roof replacement in Castro Valley costs $17,000 to $38,000 in 2026. Architect-led pricing guide with material options, permit fees, and fire zone rules.
cost-guide
ADU Construction Cost in Castro Valley | Hamilton Exteriors
ADU construction in Castro Valley costs $160,000 to $375,000. Architect-led pricing guide with permit fees, timelines, and site factors. CSLB #1078806.