Lot Coverage Limits: Green Valley vs Marana
How do lot coverage limits rules compare between Green Valley, AZ and Marana, AZ?
Green Valley and Marana have similar restriction levels.
Green Valley, AZ
Pima County
Green Valley is unincorporated Pima County. Lot coverage is set by the Pima County Zoning Code (Title 18, Chapter 18.09 — General Residential and Rural Zoning Provisions). Each residential zone (CR-1, CR-2, CR-3, CR-4, CR-5, GR-1) has a specific maximum lot coverage; CR-1 (the most common Green Valley zone) typically allows around 40-50% lot coverage.
View full Green Valley rules →Marana, AZ
Pima County
Marana Land Development Code Section 17-4-5 caps residential lot coverage at 40 to 50 percent depending on zoning district. Section 17-7-8 allows increases up to 55 percent when garages are recessed at least 10 feet from the front facade or use rear-entry design.
View full Marana rules →Key Facts Comparison
| Fact | Green Valley | Marana |
|---|---|---|
| Jurisdiction | Pima County (unincorporated) | - |
| Code Reference | Title 18 Ch. 18.09 | - |
| Typical CR-1 Coverage | 40-50% max | - |
| Variance Body | Pima County Board of Adjustment | - |
| Standard Coverage | - | 40-50% depending on zone |
| Modified Coverage | - | Up to 55% with recessed garage |
| Code Section | - | Section 17-4-5, Table 4 |
| Modification Section | - | Section 17-7-8 |
| Excludes | - | Uncovered flatwork (driveways) |
Highlighted rows indicate differences between cities.
Green Valley FAQ
What is the maximum lot coverage in Green Valley, AZ?
Green Valley follows Pima County's CR-1 / CR-2 zoning under Title 18 Chapter 18.09, typically allowing 40-50% lot coverage. Check your parcel's exact zone via PimaMaps GIS and consult Pima County Development Services for the precise number.
Do HOAs add lot coverage rules in Green Valley?
Yes. Many Green Valley HOAs (Green Valley Recreation, Quail Creek, etc.) impose CC&R limits stricter than Pima County's. Always check HOA architectural-review rules before building.
Marana FAQ
What percentage of my lot can I build on in Marana?
It depends on your zoning district. Smaller-lot zones (R-3 through R-6) typically allow up to 50 percent coverage, while larger-lot zones (R-10 and above) cap coverage around 40 percent under Table 4 of Section 17-4-5.
Can I exceed the standard lot coverage limit?
Yes. Section 17-7-8 allows lot coverage up to 55 percent when the garage is recessed at least 10 feet from the front facade or when rear-entry garages are used. Otherwise, a variance from the Board of Adjustment is required.
Does my covered patio count toward lot coverage?
Yes. Covered patios, carports, and all roofed structures count toward lot coverage. Uncovered flatwork such as driveways and walkways does not.
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