Additions & ADUs in Palo Alto.
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 Palo Alto.
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 Santa Clara County for two decades. 75-90 minutes from Novato; we work Palo Alto in multi-day blocks.
→ Palo Alto and the Peninsula are a small but growing part of our portfolio.
→ We schedule Peninsula projects as multi-day site stays to keep work efficient.
→ Eichler restoration and high-end residential are the typical Palo Alto engagements.
What's in scope.
Typical line items on a additions & adus we'd run in Palo Alto. 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 Palo Alto.
Palo Alto Planning runs Single-Family Individual Review (IR) for many projects and full Architectural Review for additions. Tree-protection and Single-Story Overlay zones are common factors.
We've worked across Palo Alto's neighborhoods — Old Palo Alto, Crescent Park, Professorville, Community Center, Midtown, Barron Park. 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 Palo Alto.
Does GB Contractors do additions & adus in Palo Alto?
Yes. Additions & ADUs is one of our core services and Palo Alto is squarely in our active service area. 75-90 minutes from Novato; we work Palo Alto in multi-day blocks.
What does a additions & adus cost in Palo Alto?
Mid-range projects in our portfolio start around $150K. High-end builds with structural changes, premium materials, or custom cabinetry typically run $800K+. Palo Alto 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 Palo Alto?
5 months to 12 months once construction starts, depending on scope and design-review timing. Palo Alto Planning runs Single-Family Individual Review (IR) for many projects and full Architectural Review for additions. Tree-protection and Single-Story Overlay zones are common factors.
Are you licensed to work in Palo Alto?
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 Palo Alto building department.
Other services in Palo Alto
