General Contractor · Castro · San Francisco
SolidBay Construction SF has been transforming homes in Castro and across San Francisco since 2016. Kitchen remodels, bathroom renovations, ADUs, home additions, and full renovations — all with in-house architects, engineers, and permit experts.
What We Do in Castro
Custom kitchen renovations in Castro — from galley updates to full open-plan transformations. Design, permits, and construction all in-house.
Learn More →Spa-quality bathroom remodels in Castro. Primary suites, guest baths, and powder rooms transformed with precision and style.
Learn More →Garage conversions, basement ADUs, and detached units in Castro. Maximize your property value and rental income.
Learn More →Expand your Castro home with rear additions, vertical additions, and room expansions. Full permit management included.
Learn More →Castro is home to some of SF's finest Victorians and Edwardians. We restore character while adding modern comfort and seismic safety.
Learn More →Mandatory and voluntary seismic retrofitting for Castro homes. We handle engineering, permits, and construction end to end.
Learn More →Why Castro Homeowners Choose Us
2 architects, 2 structural engineers, 2 designers, and a dedicated permit expeditor — all under one roof.
We know SF's DBI and Planning Department inside out. Our expeditor cuts permit timelines by 30–50%.
Since 2016, 100+ projects across San Francisco and Marin County. We know Castro inside out.
Detailed written contracts, milestone-based payments, and zero hidden fees. CA law compliant always.
Local Expertise
The Castro is one of San Francisco's most culturally rich and architecturally vibrant neighborhoods — beautiful Victorians and Edwardians, a strong community identity, and homeowners who take pride in their properties. Renovation here balances historic character preservation with modern functionality.
Our team has completed Victorian restorations, kitchen remodels, bathroom renovations, and ADU conversions throughout the Castro and neighboring Noe Valley. We understand the neighborhood's planning environment and the character of its housing stock.
Castro Renovation FAQ
Renovation costs in Castro typically run $350–$580/sq ft for mid-range work and $580–$900/sq ft for luxury finishes. Kitchen remodels start around $75,000+ and ADUs typically run $190,000–$380,000.
Yes — any structural, electrical, plumbing, or mechanical work in San Francisco requires permits from SF's DBI. Our in-house permit expeditor handles all applications and inspections for every SolidBay project in Castro.
Kitchen remodels typically take 3–5 months, bathroom renovations 6–10 weeks, and full home renovations 9–18 months including permitting. We provide realistic timelines upfront — no surprises.
Yes. SolidBay Construction SF holds a valid California CSLB license and carries full General Liability and Workers' Compensation insurance. We serve all San Francisco neighborhoods including Castro.
Ready to Start?
Tell us about your project. We'll respond within one business day with a preliminary scope assessment — no pressure, no obligation.
Other SF Neighborhoods We Serve
Also Serving Marin County