The smart way to build a custom ADU

See how much rental income you can earn with an ADU in the Bay Area:

Choose an ADU type

The smart way to build a custom ADU

See how much rental income you can earn with an ADU in the Bay Area:

Choose an ADU type

The smart way to build a custom ADU

See how much rental income you can earn with an ADU in the Bay Area:

Choose an ADU type

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 tiimeline 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 tiimeline competitive with prefab.
Generate rental income
Boosted home equity
Custom ADUs for your property
Do it all hassle-free

Extra space or rental income

Convert your garage, backyard, extra bedroom or basement into an in-law unit or rental apartment. Enjoy the extra space for family or earn passive income.

Extra space or rental income

Convert your garage, backyard, extra bedroom or basement into an in-law unit or rental apartment. Enjoy the extra space for family or earn passive income.

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.

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.

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.