Accessory Structures in Casa Grande, AZ (2026)
3 verified accessory structures rules for Casa Grande, Arizona, sourced directly from the municipal code and official government pages.
Verified from official government sources
ADU Rules
In the City of Casa Grande, one accessory dwelling unit is a permitted use in the UR, RR, SH, R-1, R-1A, R-2, R-4 and Residential PAD zones, but its floor area is capped at 75% of the main house or 1,000 square feet, whichever is smaller, with its own setback rules.
Casa Grande Accessory Dwelling Unit (ADU) Rules
Some RestrictionsCasa Grande Municipal Code § 17.52.105
One ADU shall be allowed as a permitted use within UR, RR, SH, R-1, R-1A, R-2, R-4, and Residential PAD zone districts with the following development standards: A. The gross floor area of an ADU is limited to 75% of the gross floor area of the single-family dwelling or 1,000 sq ft, whichever is less. B. Setbacks: 1. Shall not be located within a required front or corner side yard setback 2. ...
ADU Owner Occupancy
Casa Grande requires the owner of a short-term rental to actually live on the property if an accessory dwelling unit built on or after September 14, 2024 is being rented as the short-term rental. The owner-occupancy mandate does not reach a property owner who already had the right to build an ADU before that date, so long as the grace period in A.R.S. § 12-1134(G) has not expired.
Casa Grande ADU Short-Term Rental Owner-Occupancy Rule
Significant RestrictionsCasa Grande Municipal Code § 5.28.030(K)
K. Accessory dwelling units. The owner of a short-term rental shall reside on the property if the property contains an accessory dwelling unit that is being used as a short-term rental and was constructed on or after September 14, 2024. Unless the time period specified in Arizona Revised Statutes Section 12-1134, Subsection G has expired, this section does not apply to a property owner who ha...
Shed & Carport Rules
In the City of Casa Grande, detached sheds and accessory structures must meet height-tiered setbacks from side and rear property lines and cannot cover more than 25% of the required rear yard. Under six feet tall and screened, a shed can sit right on the line; taller structures need real setbacks.
Casa Grande Shed & Accessory Building Rules
Some RestrictionsCasa Grande Municipal Code § 17.52.100
A. Accessory structures, uses and equipment shall comply with the front and corner side yard setback required for the principal structure. B. Accessory structures, uses and equipment, no greater than six feet in height, and which are screened from public view by an opaque wall or fence, shall have a zero setback from the rear and side property lines. C. Accessory structures, uses and equipment,...
Looking for Pinal County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Casa Grande city rules.
Accessory Structures in Pinal County →