Lot Coverage Limits: Glendale vs Mesa
How do lot coverage limits rules compare between Glendale, AZ and Mesa, AZ?
Glendale and Mesa have similar restriction levels.
Glendale, AZ
Maricopa County
Glendale's zoning code limits the percentage of lot area that may be covered by structures and impervious surfaces. Standard residential zones (R1-6) typically allow up to 40-45% lot coverage. This includes the main home, garage, accessory structures, patios, and other covered areas. Remaining area must be landscaped or permeable to manage stormwater.
View full Glendale rules →Mesa, AZ
Maricopa County
Mesa's Zoning Ordinance regulates lot coverage (the percentage of a lot that may be covered by buildings and structures) by zoning district. Single-family residential districts typically allow 40-50% lot coverage, with the remainder required for yards, setbacks, and open space. Multi-family and commercial districts allow higher coverage percentages. Covered patios, carports, and accessory structures count toward lot coverage calculations.
View full Mesa rules →Key Facts Comparison
| Fact | Glendale | Mesa |
|---|---|---|
| R1-6 Lot Coverage | 40-45% maximum | - |
| Includes | All structures, patios, covered areas | - |
| Open Space | 55-60% must remain permeable/landscaped | Remainder of lot must be open/landscaped |
| Commercial | Higher coverage allowed, varies by district | - |
| Accessory Structures | Counted toward lot coverage | - |
| Code Section | - | Mesa Zoning Ordinance Title 11 |
| Residential Coverage | - | Typically 40-50% maximum |
| Multi-Family | - | Higher coverage permitted |
| Included Structures | - | Buildings, carports, covered patios |
Highlighted rows indicate differences between cities.
Glendale FAQ
How much of my lot can I build on in Glendale?
Standard residential zones allow 40-45% lot coverage. This includes all structures, covered patios, and impervious surfaces. The remaining area must be landscaped or permeable.
Does a covered patio count toward lot coverage?
Yes. Covered patios, carports, sheds, and all other structures with roofs count toward the maximum lot coverage percentage. Uncovered decks and patios may or may not count depending on whether they are impervious surfaces.
Mesa FAQ
How much of my lot can I build on in Mesa?
In single-family residential zones, lot coverage is typically limited to 40-50% of the total lot area. This includes the house, garage, carports, covered patios, and accessory structures. The remaining area must be open space or landscaping.
Does a covered patio count toward lot coverage?
Yes. Covered patios, carports, sheds, and any roofed structure typically count toward lot coverage calculations under Mesa's zoning ordinance. Check with Development Services before building to ensure you will remain within your district's coverage limit.
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