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Golden State Designs ADU

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We'll build your dream ADU and manage every step

How it works
Get in Touch

Turning permits into reality for rental units, workspaces and family homes alike.

01. Contact us

02. Designing your unit

03. sit back

04. get your keys

Latest projects

750 sqft unit
500 sqft studio
1000 sqft Glasshaus

Latest projects

750 sqft ADU unit in Fremont

750 sqft unit

Fremont, CA

Golden State Designs 500 sqft studio ADU in San Jose

500 sqft studio

San Jose, CA

1000 sqft "Glasshaus" ADU in Modesto, California

1000 sqft "Glasshaus"

Modesto, CA

What pricing to expect

500 sqft

~220k USD

750 sqft

~250k USD

1000 sqft

~300k USD

Another size?

Get a quote
Get an accurate quote

ADU price calculator

Use this tool to calculate an estimated price for your ADU.

Document
Width
X
Length
or
Sqft
Appliances
All appliances (BOSCH)
Quartz countertops, fixtures, cabinets: flat panel or shaker
↓
No appliances
Bathrooms
One bathroom
$0
Two bathrooms
+ 35 000 $
Please select all options to continue.
ADU height
8-9ft
$0
10ft
+ ... $
11-12ft
+ ... $
Distance from main house
0-30ft
+ 3000 $
30-50ft
+ 5000 $
50-80ft
+ 8000 $
Distance from us (San Jose, 415 E Taylor St)
0-30mi
$0
30-50mi
+ ... $
50+mi
+ ... $
Please select all options to see final estimated price.
Estimated total price for Your ADU
... $
% off by scheduling directly from this link

Timeline for an ADU

1 month

Unit customization

Comprehensive designing process with meetups, where You can choose upon every detail about the ADU.

3 months

Pulling a permit

Acquiring a construction permit from the local government can take up to 3 months.

4 months

Construction phase

During construction You are welcome to visit the worksite and see the building process.

1000 sqft Glasshaus
750 sqft unit
500 sqft studio

The process is simple…

pexels-photo-323775.jpeg

01. Contact us

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02. Sit back

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03. design your unit

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04. Get your keys

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Let's talk about Your project

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