Casa Grande Residential Zoning and Setbacks: District Yards for a New Home

In Casa Grande, your zoning district sets how far the house must sit from each property line, a distance called the setback. Casa Grande is in Pinal County, so the city writes and enforces its own zoning, separate from Maricopa County. The residential zones range from compact R-1 and R-1a lots to large Rural Ranch and Suburban Homestead parcels, and the required yards change with the district.

What the districts require

Casa Grande's Title 17.20 sets a 28 foot building-height limit across its residential zones, but the lot size and yards differ by district:

• R-1 (Single-Family Residential): 7,000 sq ft lot, front yard 15 ft, side yard 5 ft on one side and 10 ft on the other, rear yard 20 ft. A street-facing garage door must sit back at least 20 ft.
• R-1a (Single-Family Residential): 5,000 sq ft lot, front yard 15 ft, side yard 3 ft on one side with 10 ft on the other, rear yard 20 ft.
• UR (Urban Ranch): 54,450 sq ft lot, front yard 20 ft, side yard 10 ft, rear yard 40 ft.
• RR (Rural Ranch): 144,000 sq ft lot, front yard 20 ft, side yard 10 ft, rear yard 40 ft.
• SH (Suburban Homestead): 87,120 sq ft lot, front yard 30 ft, side yard 10 ft, rear yard 40 ft.

The R-1 zone spells out the garage rule directly:

A garage door, or the front of a carport, that faces a street shall have a minimum setback of 20'.

That extra distance keeps a car parked in the driveway from hanging over the sidewalk or street, which is why the garage face sits back farther than the rest of the house.

When setbacks come into play

Setbacks shape the build before the floor plan is final:

• Build-on-your-lot. Your designer subtracts the front, side, and rear yards from the lot to find the buildable footprint. For example, on a standard 70 by 100 foot R-1 lot, the 15 foot front, 20 foot rear, and 5 and 10 foot sides leave a building band roughly 55 feet wide and 65 feet deep.
• The split side yard. R-1's 5-and-10 side rule means one side stays tight and the other stays open, so the house cannot be centered without losing buildable width. R-1a's 3-and-10 rule is even tighter on the close side.
• Garages. Because a street-facing garage needs 20 feet while the house needs only 15, a front-loaded garage sets the controlling front line on many Casa Grande lots.

A setback error on the site plan is one of the most common reasons a residential plan gets corrected, so the city checks each yard before issuing the permit. Casa Grande controls home size mainly through lot dimensions and yards rather than a single published lot coverage percentage for these zones, so the setbacks do most of the work of sizing the footprint.

What this means for you

Confirm your exact zone before you design, because R-1 and R-1a look similar but the close side yard differs by two feet, and the rural zones push the rear yard out to 40 feet. Plan the garage placement early, since the 20 foot garage setback often controls the front of the house. Remember the 28 foot height cap applies across the residential zones, so a taller roofline is not an option without relief. We map the yards and the garage line on day one of a Casa Grande project, because they decide whether a plan fits the lot.

This entry pairs with the rest of the Casa Grande module. The codes your plans are checked against are in Casa Grande Adopted Building Codes , and the filing steps are in Casa Grande Residential Building Permit Requirements . For the full sequence, see the steps to building a custom home in Arizona .

Source

The district lot sizes, setbacks, and the 28 foot height limit are published by the City of Casa Grande in Title 17.20 of the City Code: View Chapter 17.20, Residential Zones on amlegal.com . The city's zoning-district overview is at Casa Grande Zoning Districts .

This page is general information, not a zoning determination. Setbacks change with overlays, planned developments, and amendments, so confirm your lot's zone and standards with Casa Grande Planning and Development before you design.