Mayes County, OK zoning map, flood zone and property lines by address
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Towns in Mayes County: Pryor, Chouteau, Locust Grove.
Flood zone by address
ParcelSheet reads FEMA's National Flood Hazard Layer at the lot: the zone, whether it is a high risk area where lenders ask for flood insurance, and the base flood elevation where FEMA lists one. FEMA's countywide study for Mayes County has 48 FIRM panels, the newest effective September 2019; no coastal V zones are mapped in it.
The official panel and any Letter of Map Amendment are at FEMA's Map Service Center. An elevation certificate for a Mayes house comes from a licensed surveyor and is often on file with the county or city building office.
Property lines
The parcel outline, parcel number and mapped size come from the Oklahoma county parcel layers (each county publishes its own), so a Mayes lot shows the same lines the county assessor draws. Mayes County covers about 419,409 acres of land and 18,057 acres of water.
Mapped lines are approximate. The Mayes County assessor keeps the parcel record (Mayes County website); a licensed surveyor sets the true corners.
Zoning
Mayes County zones its unincorporated land, and Chouteau, Locust Grove each zone the land inside their limits. ParcelSheet shows the use the county assessor lists for the lot and links the county planning commission or the city planning office for the district, the uses it allows and the lot size it needs.
ADU and guest houses
Under Oklahoma's county planning and zoning laws (Oklahoma Statutes Title 19, sections 865.51 and following), local governments can allow an accessory dwelling unit on a lot with a house. Whether a Mayes lot can add one depends on its district; the county planning commission or the city planning office has the rule. ParcelSheet shows the mapped lot size and the ground's slope, the first two things the question turns on.
Septic and soil
ParcelSheet reads the USDA soil survey at the lot: the soil's name, its septic absorption rating and whether it is prime farmland. Mayes County is soil survey area OK097, Mayes County, Oklahoma, last updated September 2026, on Web Soil Survey.
A new or changed septic system in Mayes County needs an Authorization to Construct from the Oklahoma Department of Environmental Quality, through the local DEQ environmental specialist for Mayes County.
Setbacks
Setbacks in Mayes County come from the zoning district: the front, side and rear distances a house must keep. ParcelSheet does not draw setback lines; the county zoning office gives them for the lot's district, and Chouteau and Locust Grove for land inside their limits.
Hazards that apply
- Wetlands and wildfire. ParcelSheet shows the National Wetlands Inventory near a Mayes lot and the Forest Service wildfire hazard rating at it.
Questions
Is my house in a flood zone in Mayes County?
Type the address in the box above and ParcelSheet reads FEMA's flood zone at the lot's center. FEMA's countywide flood map for Mayes County has 48 panels, the newest effective September 2019. A lender or insurer uses the official FIRM panel; FEMA's Map Service Center has it.
How do I find property lines in Mayes County?
Open the Oklahoma map, type the address, and the parcel outline from the Mayes County assessor shows on the map with its parcel number and mapped size. Mapped lines are approximate; only a licensed surveyor sets the true corners.
What is my property zoned in Mayes County?
Zoning in Mayes County is set by the county for unincorporated land and by each city (such as Chouteau, Locust Grove) inside its own limits. ParcelSheet shows the use code the county assessor lists and links the office that sets the zoning; the planning office has the final word.
Can I build an ADU in Mayes County?
Under Oklahoma's county planning and zoning laws (Oklahoma Statutes Title 19, sections 865.51 and following), counties and cities can allow an accessory dwelling unit, and each sets its own rules. In Mayes County ask the zoning office for the lot's district first; ParcelSheet shows the lot size as mapped so you can see the room you have.
Do I need a septic permit in Mayes County?
Yes. A new or changed septic system in Mayes County needs an Authorization to Construct from the Oklahoma Department of Environmental Quality, through the local DEQ environmental specialist for Mayes County. ParcelSheet shows the USDA soil survey's septic rating at the lot, from survey area OK097 (Mayes County, Oklahoma).
What can I build on 5 acres in Mayes County?
Zoning in Mayes County is set by the county for unincorporated land and each city inside its own limits (such as Chouteau, Locust Grove). The zoning district decides the uses, how many homes and the smallest lot it allows on 5 acres. ParcelSheet shows the lot size as mapped and the use code on the parcel record; the planning office has the district and its rules. See the Mayes County website.
What are the residential setbacks in Mayes County (2026)?
Setbacks in Mayes County come from the zoning code of the county, or of the city when the lot is inside city limits: the front, side and rear distances depend on the lot's district. ParcelSheet does not draw setback lines or give a number it did not read; the zoning office gives them for the district. See the Mayes County website.
Next to Mayes County: Cherokee County, Craig County, Delaware County, Rogers County, Wagoner County.
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