We will Build Your Dream ADU
Our goal then and now is to provide quality on time projects
Your Dream ADU
quality on time projects
dwelling units at an affordable price. That’s our mission."
Welcome to Hauser ADU
Where We Build Your Visions
Even with a small lot no bigger than 324 square feet of space, Hauser ADU can build an ADU on your lot! Using less of your budget and rapid off-site construction methods, we are proud to claim the we have one of the smartest solutions on the market. Built with no compromises in quality, in structural sense our ADUs are likely stronger than your existing permanent structure. We can assure you that once put on a permanent foundation, our ADUs will stand the test of time.
Get Your Free Consultation
Unlike prefab ADUs, we offer custom designs to match your unique space, budget and needs. We handle your project from design to permitting to construction with a licensed contractor. We involve you in the fun parts of design while saving you the paperwork and heavy lifting.
Hauser 400 ADU
The Hauser 400 ADU fits the tightest backyards. With Hauser 400, you get full-sized living, kitchen, bath, and cathedral ceilings.
- Full bathroom
- Kitchen with full-size appliances
- Optional murphy bed
- 400 square feet
Hauser 540 ADU
Our flagship 2022 Model 540 sq/ft ADU is a one bedroom, one bath luxurious but affordable guest house, designed to fit most home lots.
- High ceilings throughout
- Luxury vinyl plan flooring for water & scratch resistance materials
- Two Zone Mini Split HVAC (living room & bedroom)
- Top rated steel roof
Hauser 576 ADU
Our flagship no-compromise, one-bedroom backyard living space. You get full-sized living, kitchen, bedroom and bath, plus cathedral ceilings.
- Spacious bedroom (10′ x 14′)
- 1 bathroom (9′ x 5.5′)
- No-compromise kitchen, with full-size appliances, included.
- 576 square feet
Hauser Office Studio
Hauser Office Studio are self-contained, prefabricated, office units that require minimal on site assembly.Hauser Office Studio is an excellent example of a cost-effective, easy to ship, assemble and use mobile office with a 9×13′ floorplan.
No Hassle installation
little as 6 months
and livable space
How Hauser Works
Schedule A Home Visit
We meet you in person to check on a few things and ensure your backyard and Hauser ADU are a great fit
Custom Design & Build
We handle everything from customized designs to permits prior to building your Hauser ADU.
Delivery & Install
We walk you through your new Hauser ADU and explain all the features, bells, whistles, and custom details.
The price builder gives you an estimation depending on the information you provide it. Don’t consider this price to be a quote but just an estimation depending on your property type and the finish materials that you have chosen for your ADU model. But, it is important to understand what these costs include and what they exclude.
- Design & Architecture Fees
- Structural, MEP & Title 24 Engineering
- Permit Processing
- Mobilization & Construction
- Project Management of all of the items above. You only deal with California Modulars local area representative.
- Permit and other City fees (San Jose/Santa Clara estimate coming soon)
- Soils Engineering (typically not required)
- Landscaping Design or Install (typically not required
- Fire sprinklers