Additions & ADUs in San Rafael.
Room additions, second-story pops, ADU and JADU builds. We handle the survey, design coordination, permits, and construction.
Why GB Contractors for additions & adus in San Rafael.
GB Contractors (legally Golden Bay Contractor LLC, founded by Manuel Escobar in 2004) is a family-owned, CSLB-licensed general contractor based in Novato. We've been doing additions & adus projects across Marin County for two decades. 15-20 minutes south of our Novato studio on 101.
→ 20-minute drive from our Novato studio — same-day site visits are routine.
→ Familiar with the older Dominican craftsman stock and the newer Peacock Gap builds alike.
→ We've shepherded multiple projects through San Rafael Hillside review.
What's in scope.
Typical line items on a additions & adus we'd run in San Rafael. Every bid is line-item — no surprises.
- → Ground-floor additions and bump-outs
- → Second-story additions
- → Detached and attached ADUs
- → Junior ADU (JADU) conversions
- → Foundation work and structural integration
- → MEP rough-in and code compliance
- → Title 24 and energy compliance
- → Permits, including state ADU statute
Working in San Rafael.
San Rafael Community Development reviews most residential remodels. Hillside Overlay District triggers extra design review on slopes; the historic Dominican area has additional setback considerations.
We've worked across San Rafael's neighborhoods — Dominican, Sun Valley, Glenwood, Bret Harte, Loch Lomond, Terra Linda, Peacock Gap. Local knowledge of the building department, the design-review patterns, and the building stock isn't a marketing claim for us; it's two decades of repeat work.
Common questions about additions & adus in San Rafael.
Does GB Contractors do additions & adus in San Rafael?
Yes. Additions & ADUs is one of our core services and San Rafael is squarely in our active service area. 15-20 minutes south of our Novato studio on 101.
What does a additions & adus cost in San Rafael?
Mid-range projects in our portfolio start around $150K. High-end builds with structural changes, premium materials, or custom cabinetry typically run $800K+. San Rafael permitting and design-review can add to both timeline and cost — we factor that into bids up front.
How long does a additions & adus take in San Rafael?
5 months to 12 months once construction starts, depending on scope and design-review timing. San Rafael Community Development reviews most residential remodels. Hillside Overlay District triggers extra design review on slopes; the historic Dominican area has additional setback considerations.
Are you licensed to work in San Rafael?
Yes. GB Contractors (Golden Bay Contractor LLC) holds CSLB License #992507 (Class B General Building), valid statewide in California, and we're fully insured. We pull all required permits and handle inspections directly with the San Rafael building department.
Other services in San Rafael
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