Trego County, KS zoning map, flood zone and property lines by address
Free, no account. Or open the Kansas map and tap a lot.
Towns in Trego County: WaKeeney.
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 has 6 FIRM panels covering Trego County, the newest effective June 2022; 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 Trego 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 Kansas county parcel layers (each county publishes its own), so a Trego lot shows the same lines the county appraiser draws. Trego County covers about 569,263 acres of land and 6,494 acres of water.
Mapped lines are approximate. The Trego County appraiser keeps the parcel record (Trego County website); a licensed surveyor sets the true corners.
Zoning
Trego County zones its unincorporated land, and WaKeeney zones the land inside its limits. ParcelSheet shows the use the county appraiser lists for the lot and links the county planning and zoning office for the district, the uses it allows and the lot size it needs.
ADU and guest houses
Under Kansas's planning and zoning law for cities and counties (Kansas Statutes 12-741 and following), local governments can allow an accessory dwelling unit on a lot with a house. Whether a Trego lot can add one depends on its district; the county planning and zoning 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. Trego County is soil survey area KS195, Trego County, Kansas, last updated August 2026, on Web Soil Survey.
A new or changed septic system in Trego County needs a permit from the Trego County sanitarian (under the county sanitary code and Kansas Department of Health and Environment standards).
Setbacks
Setbacks in Trego 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 WaKeeney for land inside its limits.
Hazards that apply
- Wetlands and wildfire. ParcelSheet shows the National Wetlands Inventory near a Trego lot and the Forest Service wildfire hazard rating at it.
Questions
Is my house in a flood zone in Trego County?
Type the address in the box above and ParcelSheet reads FEMA's flood zone at the lot's center. FEMA has 6 flood map panels covering Trego County, the newest effective June 2022. A lender or insurer uses the official FIRM panel; FEMA's Map Service Center has it.
How do I find property lines in Trego County?
Open the Kansas map, type the address, and the parcel outline from the Trego County appraiser 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 Trego County?
Zoning in Trego County is set by the county for unincorporated land and by each city (such as WaKeeney) inside its own limits. ParcelSheet shows the use code the county appraiser lists and links the office that sets the zoning; the planning office has the final word.
Can I build an ADU in Trego County?
Under Kansas's planning and zoning law for cities and counties (Kansas Statutes 12-741 and following), counties and cities can allow an accessory dwelling unit, and each sets its own rules. In Trego 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 Trego County?
Yes. A new or changed septic system in Trego County needs a permit from the Trego County sanitarian (under the county sanitary code and Kansas Department of Health and Environment standards). ParcelSheet shows the USDA soil survey's septic rating at the lot, from survey area KS195 (Trego County, Kansas).
What can I build on 5 acres in Trego County?
Zoning in Trego County is set by the county for unincorporated land and each city inside its own limits (such as WaKeeney). 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 Trego County website.
What are the residential setbacks in Trego County (2026)?
Setbacks in Trego 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 Trego County website.
Next to Trego County: Ellis County, Gove County, Graham County, Ness County, Rooks County.
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