California’s Trusted

ADU Design–Permit–Build Experts

California’s Trusted
ADU Design–Permit–Build Experts

From concept to completion, BDGC ADU delivers permit-ready,
turnkey Metal Framed Fire-resistant ADUs.

Why Choose BGDC ADU?

One Team,
One Process

Design, permits, and build managed under one roof.

Permit-Ready
ADU Plans

Choose from our library of pre-approved models.

Built for you

Compliant with state codes & local city zoning.

Trusted General Contractors

Backed by Blue Diamond General Contractors’ decades of experience.

Our Applications Cover Diverse Corporate Markets

Need a Custom ADU or Home Built?

We can create your custom home, office, studio, or anything you can dream of!
Contact us to get the process started!

Featured ADU Models

Choose From Our Ready-to-Build ADU Designs

Our Simple 4-Step ADU Process

How It Works

1️⃣ Choose Your Model → Browse permit-ready ADUs or Custom design your own.
2️⃣ We Handle Permits → No stress with zoning or city approvals.
3️⃣ Expert Construction → Licensed & insured contractors.
4️⃣ Move-In Ready → Built for California living.

ADUs Pay for Themselves

Financial Benefits

  • Generate rental income ($2,000–$4,000/month in many CA markets)
  • Increase property value by up to 30%
  • Benefit from tax deductions & depreciation
  • Flexible financing options available

Built for Safety & Sustainability

Fire-resistant & Sustainable Builds

  • Cold-Formed Steel (CFS) framing – fire-resistant, pest-proof, and durable
  • Eco-friendly & recyclable systems – lower insurance premiums + long-term savings

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