ADU Craft Tucson
Casita and ADU builder · Tucson, AZ

A casita in the backyard, done right from the permit up.

Detached casitas, garage conversions, attached ADUs and guest houses across Tucson and its neighbors. Design, permits and construction from one team. Licensed and insured with the Arizona ROC.

Check my lot See costs
Small backyard home (ADU): Brown wooden house in the middle of forest
Licensed & insuredLicensed with the Arizona Registrar of Contractors and insured.
City, town or countyWe find out which office reviews your parcel and what it allows.
Written, itemized quoteEvery line priced in writing before construction starts.

How much does an ADU cost in Tucson?

As of October 2026, a 2026 Arizona cost guide prices a 600 sq ft detached casita in Tucson at about $90,000 with basic finishes, $155,000 mid-range and $250,000 high-end, with permits estimated at $2,500 to $4,000. Utility trenching, caliche and cooling equipment sit outside those base figures. We measure your lot, then quote in writing.

Read the full Tucson ADU cost guide

What kind of casita can go on a Tucson lot?

As of October 2026, the City of Tucson's code allows two ADUs on most residential lots, following its 2024 update for state law. Outside city limits, the rules depend on the town or on Pima County.

Small backyard home (ADU): A small cabin in the woods Detached casitaIts own building in the yard. The Tucson classic, and the most private option. Detached garage Garage conversionTurn existing walls and roof into a legal unit, often for the lowest cost. Small backyard home (ADU): A rendering of a house in the middle of a park Attached ADUJoined to the house, with its own door. Short utility runs. Small backyard home (ADU) Guest houseFor family and visitors, with different rules in unincorporated Pima County.

How design and permits work · Compare every type

What happens first?

  1. Lot checkSend your address. We confirm the jurisdiction, zoning, easements and any HOA.
  2. Site visit and quoteWe measure, find the utilities and price the job line by line.
  3. PermitsDrawings, review and corrections with the city, town or county.
  4. BuildConstruction, inspections and the final sign-off.

See the full process

Which areas do we serve?

Tucson plus four neighbors. Only the City of Tucson is large enough to fall under the 2024 state ADU mandate, so each place below works a little differently.

Tucson

Two ADUs per lot since November 2024, and a library of pre-approved casita plans.

Tucson casita notes

Oro Valley

A town under 75,000 that updated its ADU rules anyway, effective January 2025.

Casitas in Oro Valley

Marana

New ADU standards on the books that switch on only at 75,000 residents.

Casitas in Marana

Sahuarita

A town-run code and newer neighborhoods where HOA review comes first.

Casitas in Sahuarita

Catalina Foothills

Unincorporated, so Pima County reviews it under the 2025 county ADU law.

Casitas in the Foothills

Find out what fits on your lot

Send your address and a sentence about your plans. We confirm who reviews the parcel and which casita types it allows.

Serving Tucson, Oro Valley, Marana, Sahuarita and the Catalina Foothills.

Tucson casita questions

How much does an ADU cost in Tucson? What are the casita rules in Tucson in 2026? Can I build a casita outside Tucson city limits? Will my HOA allow a casita in the Tucson area? How much rent can a casita earn in Tucson? How do I keep a casita cool in Tucson?