The smart way to build a custom ADU

Stick-built ADU design, permits, and construction - all in a turnkey experience

The smart way to build a custom ADU

Stick-built ADU design, permits, and construction - all in a turnkey experience

The smart way to build a custom ADU

Stick-built ADU design, permits, and construction - all in a turnkey experience

Cottage is your A-to-Z ADU solution

We take the stress out of designing, permitting, and building an Accessory Dwelling Unit in the Bay Area. Get a custom, stick-built ADU at a price and timeline competitive with prefab.
Generate rental income
Boosted home equity
Custom ADUs for your property
Do it all hassle-free

Cottage is your A-to-Z ADU solution

We take the stress out of designing, permitting, and building an Accessory Dwelling Unit in the Bay Area. Get a custom, stick-built ADU at a price and timeline competitive with prefab.
Generate rental income
Boosted home equity
Custom ADUs for your property
Do it all hassle-free

Custom built for your property

We work with the space you have—garages, carports, bedrooms, basements, backyards—to build a custom ADU for you. We design to match your design preferences and budget.

Custom built for your property

We work with the space you have—garages, carports, bedrooms, basements, backyards—to build a custom ADU for you. We design to match your design preferences and budget.

No hassle process

Our ADU pros handle the process from A-Z, including: feasibility, design, permitting, and construction. We can work with you at any stage of the process, whether you're just getting started or have permits underway.

No hassle process

Our ADU pros handle the process from A-Z, including: feasibility, design, permitting, and construction. We can work with you at any stage of the process, whether you're just getting started or have permits underway.

Best bang for your buck

Quality site-built ADUs that adds lasting equity to your property. Our contactor partnerships unlock trade pricing that you wouldn't get independently.

Best bang for your buck

Quality site-built ADUs that adds lasting equity to your property. Our contactor partnerships unlock trade pricing that you wouldn't get independently.