Browse ADU topics

Topics cut across categories: follow the subject you care about — costs, permitting, financing, small-lot design — wherever it is covered.

Topics by category

Each part of the library and the subjects its articles cover.

Start here: what an ADU is, whether one suits your property, and how a project runs end to end.

Nothing is tagged here yet. Topics appear as ADU Basics articles are published.

Detached, attached, garage conversions and junior units — how the common ADU types compare.

Choosing a builder and what happens on site, from groundbreaking to final sign-off.

What an ADU costs to build and run, and how homeowners put a budget and financing together.

Floor plans, layout and finishes that make the most of a small footprint.

Applications, plan review and inspections — what getting an ADU approved involves.

Living in or renting out a finished ADU, and the responsibilities that come with it.

Check your property and see what's possible.