Gadsden County, FL: flood zone, zoning and property lines by address
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Towns in Gadsden County: Quincy, Midway, Havana.
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 Gadsden County has 87 FIRM panels, the newest effective February 2009; 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 Gadsden house comes from a licensed surveyor and is often on file with the county or city building office (Building Inspection).
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 Gadsden lot shows the same lines the property appraiser draws. Gadsden County covers about 330,480 acres of land and 7,778 acres of water.
Mapped lines are approximate. The Gadsden County Property Appraiser keeps the parcel record; a licensed surveyor sets the true corners.
An example from the county's own records: parcel 3-24-2N-4W-0000-00212-0200 in Quincy, a lot with one house, about 17,879 square feet as mapped, the house built in 1965. Open it to see every card ParcelSheet draws for a Gadsden lot.
Zoning
Gadsden County zones its unincorporated land, and Quincy, Midway, Havana each zone the land inside their limits. ParcelSheet shows the use the property appraiser lists for the lot and links Growth Management 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 Gadsden lot can add one depends on its district; Growth Management 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. Gadsden County is soil survey area FL039, Gadsden County, Florida, last updated September 2026, on Web Soil Survey.
A new or changed septic system in Gadsden County needs a permit from the Florida Department of Health in Gadsden County, which tests the soil on the lot itself.
Setbacks
Setbacks in Gadsden County come from the zoning district: the front, side and rear distances a house must keep. ParcelSheet does not draw setback lines; Growth Management gives them for the lot's district, and Quincy, Midway, Havana for land inside their limits.
Hazards that apply
- Sinkholes. The Florida Geological Survey lists 2 subsidence incident reports in Gadsden 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 Gadsden County; the building office (Building Inspection) applies it at permit.
- Wetlands and wildfire. ParcelSheet shows the National Wetlands Inventory near a Gadsden lot and the Forest Service wildfire hazard rating at it.
Questions
Is my house in a flood zone in Gadsden 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 Gadsden County has 87 panels, the newest effective February 2009. A lender or insurer uses the official FIRM panel; FEMA's Map Service Center has it.
How do I find property lines in Gadsden 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 Gadsden 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 Gadsden County?
Zoning in Gadsden County is set by the county for unincorporated land and by each city (such as Quincy, Midway) 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 Gadsden County?
Florida Statute 163.31771 lets counties and cities allow an accessory dwelling unit, and each sets its own rules. In Gadsden 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 Gadsden County?
Yes. A new or changed septic system in Gadsden County needs a permit from the Florida Department of Health in Gadsden County. ParcelSheet shows the USDA soil survey's septic rating at the lot, from survey area FL039 (Gadsden County, Florida).
Next to Gadsden County: Jackson County, Leon County, Liberty County.
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