Custom ADUs made easy

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

Choose an ADU type

Custom ADUs made easy

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

Choose an ADU type

Custom ADUs made easy

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

Generate rental income

Convert your garage, backyard, extra bedroom or basement into a rental apartment. Cottages in the Bay Area can gross from $1,750 to $3,000 in monthly rent.

Generate rental income

Convert your garage, backyard, extra bedroom or basement into a rental apartment. Cottages in the Bay Area can gross from $1,750 to $3,000 in monthly rent.

Boost your home equity

By adding an extra bedroom, bathroom, livable square footage and a potential income stream, you can increase your property value by hundreds of thousands of dollars. The best part? Cottage can build your ADU for as little as $0 down.

Boost your home equity

By adding an extra bedroom, bathroom, livable square footage and a potential income stream, you can increase your property value by hundreds of thousands of dollars. The best part? Cottage can build your ADU for as little as $0 down.

No hassle process

Our team of pros handles the entire ADU process from A-Z, including: zoning eligibility, design, permitting, and construction. Our custom approach means we'll understand and meet your goals at every step of the way.

No hassle process

Our team of pros handles the entire ADU process from A-Z, including: zoning eligibility, design, permitting, and construction. Our custom approach means we'll understand and meet your goals at every step of the way.

Custom built for your property

We understand that any extension of your house should look and feel like your home. We work with the space you have—garages, carports, bedrooms, basements, backyards—to build a custom ADU for you.

Custom built for your property

We understand that any extension of your house should look and feel like your home. We work with the space you have—garages, carports, bedrooms, basements, backyards—to build a custom ADU for you.