300+ five-star reviews
143 Reviews on Yelp
Avg 4.9
143 Reviews on Yelp
Avg 4.9
143 Reviews on Yelp
Avg 4.9
143 Reviews on Yelp
Avg 4.9
Floor Plans
Start with some inspiration
When it comes to building an BAJ, a guest house, or a custom design — a little inspiration goes a long way. Here are just a few of our favorite pre-designed BAJ floor plans to showcase the possibilities.
Mangrove
- 1000
- 3 Bed
- 2 Bath
Mahogany
- 1200
- 2 Bed
- 2 Bath
Torrey Pine
- 1192
- 3 Bed
- 2 Bath
THE BETTER PLACE DIFFERENCE
A smarter way
to build an BAJ
Building an Accessory Dwelling Unit is a major investment. Most mistakes happen before construction even begins. We’ve engineered a process that removes uncertainty early, protects your money, and keeps you fully informed from start to finish.
Feasibility-first process
No guesswork. No assumptions. Only verified buildability.
One accountable team
Dedicated Project Manager and clear ownership from day one.
Full project visibility
No chasing updates, real-time visibility.
Pay for progress
You pay for verified work, not promises.
No surprise costs
We price on verified facts, not guesses.
Clarity at every step
Each phase is documented and defined.
ADU, Room Addition & Permit Services in Northern California
At BAJ Design Group LLC, we provide professional residential design and permit services throughout Northern California. Our team specializes in Accessory Dwelling Units (ADUs), JADUs, garage conversions, room additions, remodels, legalization of unpermitted structures, and new residential construction.
We offer complete design and permit services, from initial planning and construction drawings to permit submittal and coordination with local jurisdictions.
San Jose
Santa Clara
Sunnyvale
Cupertino
OUR SERVICES
Building better in Northern California
Whether it’s an Accessory Dwelling Unit, a garage conversion, or a room addition, our proven design-build process takes you from start to finish. It transforms every square foot into lasting value and comfort for homeowners in San Diego.
“I can see why this business has five stars. If you’re looking to build an ADU, I can assure you that you will get someone you can trust.â€
Frank L
Better Place Design & Build Homeowner
“I am incredibly pleased with the results! The team was very professional and knowledgeable. They completed the project quickly and efficiently. The materials used were high quality, and the finished product looks great. I would highly recommend Better Place Design & Build to anyone who needs an ADU contractor. They are the best in the business!â€
Frank L
Better Place Design & Build Homeowner
OUR PHILOSOPHY
Don’t compare builders,
Compare processes.
We verify before we price
Most ADU builders estimate first and verify later. We confirm zoning laws, local regulations, utilities, site conditions, and realistic construction costs before the initial design moves forward.
We verify before we price
Most ADU builders estimate first and verify later. We confirm zoning laws, local regulations, utilities, site conditions, and realistic construction costs before the initial design moves forward.
We verify before we price
Most ADU builders estimate first and verify later. We confirm zoning laws, local regulations, utilities, site conditions, and realistic construction costs before the initial design moves forward.