Jackson County, FL: flood zone, zoning and property lines by address
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Towns in Jackson County: Marianna, Graceville, Malone.
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 Jackson County has 70 FIRM panels, the newest effective November 2025; 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 Jackson house comes from a licensed surveyor and is often on file with the county or city building office (Building).
Property lines
The parcel outline, parcel number and mapped size come from the Florida statewide cadastral (county property appraiser parcels with the Department of Revenue tax roll), so a Jackson lot shows the same lines the property appraiser draws. Jackson County covers about 587,729 acres of land and 23,191 acres of water.
Mapped lines are approximate. The Jackson County Property Appraiser keeps the parcel record; a licensed surveyor sets the true corners.
An example from the county's own records: parcel 345N10037000200140 in Marianna, a lot with one house, about 151,639 square feet as mapped, the house built in 1960. Open it to see every card ParcelSheet draws for a Jackson lot.
Zoning
Jackson County zones its unincorporated land, and Marianna, Graceville, Malone each zone the land inside their limits. ParcelSheet shows the use the property appraiser lists for the lot and links the county planning office for the district, the uses it allows and the lot size it needs.
ADU and guest houses
Florida Statute 163.31771 lets local governments allow an accessory dwelling unit on a lot with a house. Whether a Jackson lot can add one depends on its district; the county 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. Jackson County is soil survey area FL063, Jackson County, Florida, last updated September 2026, on Web Soil Survey.
A new or changed septic system in Jackson County needs a permit from the Florida Department of Health in Jackson County, which tests the soil on the lot itself.
Setbacks
Setbacks in Jackson 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 Marianna, Graceville, Malone for land inside their limits.
Hazards that apply
- Sinkholes. The Florida Geological Survey lists 52 subsidence incident reports in Jackson County (the reports). They are reports, not confirmed sinkholes; ParcelSheet does not rate a lot for sinkholes.
- Wind. The Florida Building Code sets the design wind speed for a house in Jackson County; the building office (Building) applies it at permit.
- Wetlands and wildfire. ParcelSheet shows the National Wetlands Inventory near a Jackson lot and the Forest Service wildfire hazard rating at it.
Questions
Is my house in a flood zone in Jackson 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 Jackson County has 70 panels, the newest effective November 2025. A lender or insurer uses the official FIRM panel; FEMA's Map Service Center has it.
How do I find property lines in Jackson County?
Open the Florida map, type the address, and the parcel outline from the county property appraiser shows on the map with its parcel number and mapped size. The Jackson County property appraiser keeps the official record. Mapped lines are approximate; only a licensed surveyor sets the true corners.
What is my property zoned in Jackson County?
Zoning in Jackson County is set by the county for unincorporated land and by each city (such as Marianna, Graceville) inside its own limits. ParcelSheet shows the use code the property appraiser lists and links the office that sets the zoning; the planning office has the final word.
Can I build an ADU in Jackson County?
Florida Statute 163.31771 lets counties and cities allow an accessory dwelling unit, and each sets its own rules. In Jackson 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 Jackson County?
Yes. A new or changed septic system in Jackson County needs a permit from the Florida Department of Health in Jackson County. ParcelSheet shows the USDA soil survey's septic rating at the lot, from survey area FL063 (Jackson County, Florida).
Next to Jackson County: Bay County, Calhoun County, Gadsden County, Holmes County, Washington County.
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