Washakie County, WY zoning map, flood zone and property lines by address
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Towns in Washakie County: Worland.
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 Washakie County has 62 FIRM panels, the newest effective March 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 Washakie 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 Wyoming statewide parcels (2026 tax year), from county assessors, so a Washakie lot shows the same lines the county assessor draws. Washakie County covers about 1,432,755 acres of land and 2,574 acres of water.
Mapped lines are approximate. The Washakie County assessor keeps the parcel record (Washakie County website); a licensed surveyor sets the true corners.
Zoning
Washakie County zones its unincorporated land, and Worland zones the land inside its limits. ParcelSheet shows the use the county assessor 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 Wyoming's county planning and zoning law (Wyoming Statutes 18-5-201 through 18-5-208), local governments can allow an accessory dwelling unit on a lot with a house. Whether a Washakie 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. Washakie County is soil survey area WY043, Washakie County Area, Wyoming, last updated September 2026, on Web Soil Survey.
A new or changed septic system in Washakie County needs a permit from the Washakie County small wastewater permitting authority (the county, or Wyoming DEQ in counties without a delegated program).
Setbacks
Setbacks in Washakie 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 Worland for land inside its limits.
Hazards that apply
- Wetlands and wildfire. ParcelSheet shows the National Wetlands Inventory near a Washakie lot and the Forest Service wildfire hazard rating at it.
Questions
Is my house in a flood zone in Washakie 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 Washakie County has 62 panels, the newest effective March 2009. A lender or insurer uses the official FIRM panel; FEMA's Map Service Center has it.
How do I find property lines in Washakie County?
Open the Wyoming map, type the address, and the parcel outline from the Washakie 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 Washakie County?
Zoning in Washakie County is set by the county for unincorporated land and by each city (such as Worland) 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 Washakie County?
Under Wyoming's county planning and zoning law (Wyoming Statutes 18-5-201 through 18-5-208), counties and cities can allow an accessory dwelling unit, and each sets its own rules. In Washakie 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 Washakie County?
Yes. A new or changed septic system in Washakie County needs a permit from the Washakie County small wastewater permitting authority (the county, or Wyoming DEQ in counties without a delegated program). ParcelSheet shows the USDA soil survey's septic rating at the lot, from survey area WY043 (Washakie County Area, Wyoming).
What can I build on 5 acres in Washakie County?
Zoning in Washakie County is set by the county for unincorporated land and each city inside its own limits (such as Worland). 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 Washakie County website.
What are the residential setbacks in Washakie County (2026)?
Setbacks in Washakie 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 Washakie County website.
Next to Washakie County: Big Horn County, Fremont County, Hot Springs County, Johnson County, Natrona County, Park County.
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