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ADU types we build in San Francisco

Five ways to add a unit in San Francisco, from a garage conversion to a backyard cottage, each with design and permits included.

Check what my lot allows

Stucco row houses with balconies and bay windows

Choose a starting point

Small gray-sided house with a shed roof, front porch and planted yard

Detached ADU

A free-standing cottage in the back yard, studio to two bedrooms.

Detached ADU

Beige roll-up garage door set in shingled siding

Garage conversion

Reuse the slab, walls and roof you already have.

Garage conversion

Single-story modern house with white walls and dark trim

Attached ADU

A side or rear addition that is a full, separate unit.

Attached ADU

Small unit interior with a kitchenette, wood-clad wall and vaulted ceiling

Junior ADU

A small suite carved from existing space in the house.

Junior ADU

Designer holding up a sheet of floor plans by a window

Design and permits

Custom or pre-approved plans, submitted and tracked.

Design and permits

Which ADU type fits my lot?

Start with what you have. A ground floor with height and light points to a conversion. A deep back yard can take a cottage. A spare room or wing can become a junior ADU. The program choice, State or Local, comes from your building's units and tenants.

Compare costs

Is your lot ready for an ADU?

Send your address and a sentence about what you want. We look up the zoning, setbacks and utility routes and reply with the ADU types that fit.

We build in San Francisco, CA.