Lot Coverage Limits: Gilbert vs Phoenix
How do lot coverage limits rules compare between Gilbert, AZ and Phoenix, AZ?
Gilbert and Phoenix have similar restriction levels.
Gilbert, AZ
Maricopa County
Gilbert's Land Development Code limits lot coverage by zoning district. Residential districts typically limit building coverage to 40-50%. Impervious surface limits are important due to stormwater retention requirements in the desert environment. Pool decks, patios, and driveways count toward impervious surface calculations. Desert landscaping helps minimize impervious coverage.
View full Gilbert rules →Phoenix, AZ
Maricopa County
Phoenix Zoning Ordinance Section 701 sets lot coverage maximums by district. R1-6 allows 40%, R1-8 allows 35%, R1-10 allows 30%, and R-2 allows 45%. When 100% lot coverage is permitted (by right or sustainability bonus), interior setbacks may be reduced or eliminated with Design Review Committee approval.
View full Phoenix rules →Key Facts Comparison
| Fact | Gilbert | Phoenix |
|---|---|---|
| Residential Coverage | Typically 40-50% | - |
| Impervious Surfaces | Important for retention requirements | - |
| Included Surfaces | Pool decks, patios, driveways | - |
| Desert Landscaping | Helps minimize impervious coverage | - |
| Code Reference | Gilbert Land Development Code | - |
| Zoning Section | - | Phoenix Zoning Ordinance §701 |
| R1-6 | - | 40% max lot coverage |
| R1-8 | - | 35% max lot coverage |
| R1-10 | - | 30% max lot coverage |
| R-2 (Two-Family) | - | 45% max lot coverage |
Highlighted rows indicate differences between cities.
Gilbert FAQ
What is maximum lot coverage in Gilbert?
Residential lot coverage is typically limited to 40-50%. Impervious surfaces including driveways, patios, and pool decks count toward the total.
Does desert landscaping help with lot coverage in Gilbert?
Yes. Desert-adapted landscaping with permeable surfaces can help minimize impervious coverage and reduce stormwater retention requirements.
Phoenix FAQ
What percentage of my lot can I build on?
It depends on your zoning district. Common limits: R1-6 (40%), R1-8 (35%), R1-10 (30%), R-2 (45%). Coverage includes all buildings and structures. Check your specific zoning district at phoenix.municipal.codes.
Can I exceed the lot coverage maximum?
In some districts, 100% lot coverage may be permitted by right or earned through sustainability bonus points. In those cases, interior setbacks may be reduced or eliminated with Design Review Committee approval.
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