Preapproved Plans · Modular Construction
Build Your ADU
50% Faster
German Engineering Meets Silicon Valley Innovation. Preapproved plans and modular construction — concept to keys, faster.
Preapproved
Plans ready for permitting
50% Faster
Modular cuts build time in half
Fixed Pricing
No budget surprises
End-to-End
Planning through inspection
Preapproved Plans
Ready-to-permit designs for fast approval
Modular Solutions for Homekey
Accelerate your Homekey project with modular construction designed for affordable housing.
- Reduce timelines by up to 50% with factory-built modules
- Fixed pricing eliminates budget overruns
- Designs meet all Homekey & accessibility standards
Plan Your Project
Free tools to explore options and estimate costs
200+
ADUs Built
50+
Homekey Units
98%
Satisfaction
40%
Faster Build
“Preapproved plans saved us months. Permitting was approved in just 3 weeks!”
Sarah Johnson
Homeowner, Palo Alto
“What would have taken 9 months was completed in 4. We've now done 3 projects with AIAadu.”
Michael Chen
Developer, San Jose
Ready to Start?
From ADUs to Homekey — we simplify the process start to finish.