We make adding space simple
ADUbuilders was founded to fix a broken process — turning the confusing, stressful world of backyard construction into a clear, accountable experience for California homeowners.
Design-build, done right
Too many homeowners get stuck juggling separate architects, permit expeditors, and contractors — each pointing fingers when something goes wrong. We bring it all under one roof.
From your first free consultation to the day we hand over the keys, a single accountable team manages your design, permits, and construction. The result: less stress, fewer surprises, and an ADU you’re proud of.
- 200+
- ADUs Built
- 10+
- Years Experience
- 100+
- Floor Plans
- 5-Star
- Average Rating
Our values
The principles that guide every project we take on.
Licensed & Accountable
Fully licensed and insured. One team owns your project end to end — no subcontractor finger-pointing.
Transparent Pricing
Clear, fixed-scope quotes. You’ll always know what you’re paying for, with no surprise change orders.
Built to Last
Quality materials and craftsmanship that meet California code and stand the test of time.
Homeowner-First
Weekly updates, a dedicated project manager, and a process designed around your peace of mind.
Ready to build your ADU?
Get a free consultation with California’s design-build ADU specialists. No obligation, response within 24 hours.