Arizona law on a lot: ADU law in cities over 75,000 (A.R.S. 9-461.18).
An Arizona lot sheet on ParcelSheet shows the FEMA flood zone, wetlands, wildfire hazard, faults, septic soil rating and slope for any address, each with its public source, and points to the zoning office. Lot lines show where the county shares a public parcel map; elsewhere a spot opens every card. Free to start.
Updated
| Layer | Official source |
|---|---|
| Flood zone | FEMA National Flood Hazard Layer |
| Wetlands | US Fish and Wildlife Service, National Wetlands Inventory |
| Wildfire hazard | USDA Forest Service, Wildfire Hazard Potential |
| Faults | USGS Quaternary Fault and Fold Database |
| Soil for septic | USDA NRCS Soil Survey (SSURGO), septic absorption field rating |
| Slope and elevation | USGS 3DEP elevation |
County pages: Apache County, Cochise County, Coconino County, Gila County, Graham County, Greenlee County, La Paz County, Maricopa County, Mohave County, Navajo County, Pima County, Pinal County, Santa Cruz County, Yavapai County, Yuma County, All Arizona counties.
Arizona laws on a lot: ADU law in cities over 75,000 (A.R.S. 9-461.18), Middle housing (HB 2721, 2024).
An Arizona lot sheet on ParcelSheet shows the FEMA flood zone, wetlands, wildfire hazard, faults, septic soil rating and slope for any address, each with its public source, and points to the zoning office. Lot lines show where the county shares a public parcel map; elsewhere a spot opens every card. Free to start.
The city or county planning office where the lot sits decides what can be built on it. ParcelSheet points to that office and to the 2 Arizona state laws that limit what it may require, each with its source.
Yes. A lot sheet is free to start, with no account.
Every rule and hazard on the lot, sorted Flagged, Caution and Clear, each with its source and date.
Guides: How it works · All Arizona counties · All 50 states · Questions
Public records and maps with sources. Not legal advice, a survey, or a permit. Confirm with the town or county planning office. By using ParcelSheet you agree to the Terms of Use. Privacy.