Additions & ADUs in Solano County.
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 Solano County.
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 Solano County for two decades. 30-45 minutes via Highway 37.
→ Newer relationship for us — Solano County projects are a growing line of work.
→ Vallejo and Benicia Victorian preservation is our typical Solano engagement.
→ Direct route via 37 makes site visits manageable.
What's in scope.
Typical line items on a additions & adus we'd run in Solano County. 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 Solano County.
Solano County and its cities run more standard California Residential Code permitting. Older Benicia and Vallejo Victorian stock has occasional historic-overlay considerations.
We've worked across Solano County's communities — Vallejo, Benicia, Fairfield, Vacaville, Suisun City. 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 Solano County.
Does GB Contractors do additions & adus in Solano County?
Yes. Additions & ADUs is one of our core services and Solano County is squarely in our active service area. 30-45 minutes via Highway 37.
What does a additions & adus cost in Solano County?
Mid-range projects in our portfolio start around $150K. High-end builds with structural changes, premium materials, or custom cabinetry typically run $800K+. Solano County 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 Solano County?
5 months to 12 months once construction starts, depending on scope and design-review timing. Solano County and its cities run more standard California Residential Code permitting. Older Benicia and Vallejo Victorian stock has occasional historic-overlay considerations.
Are you licensed to work in Solano County?
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 Solano County building department.
Other services in Solano County
Talk to us about your Solano County project.
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