Harrison County, WV zoning map, flood zone and property lines by address
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Towns in Harrison County: Clarksburg, Bridgeport, Bethlehem.
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 Harrison County has 107 FIRM panels, the newest effective October 2012; 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 Harrison 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 West Virginia statewide parcel layer (WV GIS Technical Center, from each county assessor), so a Harrison lot shows the same lines the county assessor draws. Harrison County covers about 266,247 acres of land and 325 acres of water.
Mapped lines are approximate. The Harrison County assessor keeps the parcel record (Harrison County website); a licensed surveyor sets the true corners.
Zoning
Harrison County zones its unincorporated land, and Clarksburg, Bridgeport, Bethlehem each zone the land inside their limits. ParcelSheet shows the use the county assessor lists for the lot and links the county planning commission for the district, the uses it allows and the lot size it needs.
ADU and guest houses
Under West Virginia's land use law (W. Va. Code chapter 8A), local governments can allow an accessory dwelling unit on a lot with a house. Whether a Harrison lot can add one depends on its district; the county planning commission 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. Harrison County is soil survey area WV610, Harrison and Taylor Counties, West Virginia, last updated August 2026, on Web Soil Survey.
A new or changed septic system in Harrison County needs a permit from the Harrison County health department (WV Office of Environmental Health Services).
Setbacks
Setbacks in Harrison 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 Clarksburg, Bridgeport, Bethlehem for land inside their limits.
Hazards that apply
- Wetlands and wildfire. ParcelSheet shows the National Wetlands Inventory near a Harrison lot and the Forest Service wildfire hazard rating at it.
Questions
Is my house in a flood zone in Harrison 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 Harrison County has 107 panels, the newest effective October 2012. A lender or insurer uses the official FIRM panel; FEMA's Map Service Center has it.
How do I find property lines in Harrison County?
Open the West Virginia map, type the address, and the parcel outline from the Harrison 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 Harrison County?
Zoning in Harrison County is set by the county for unincorporated land and by each city (such as Clarksburg, Bridgeport) 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 Harrison County?
Under West Virginia's land use law (W. Va. Code chapter 8A), counties and cities can allow an accessory dwelling unit, and each sets its own rules. In Harrison 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 Harrison County?
Yes. A new or changed septic system in Harrison County needs a permit from the Harrison County health department (WV Office of Environmental Health Services). ParcelSheet shows the USDA soil survey's septic rating at the lot, from survey area WV610 (Harrison and Taylor Counties, West Virginia).
What can I build on 5 acres in Harrison County?
Zoning in Harrison County is set by the county for unincorporated land and each city inside its own limits (such as Clarksburg, Bridgeport). 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 Harrison County website.
What are the residential setbacks in Harrison County (2026)?
Setbacks in Harrison 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 Harrison County website.
Next to Harrison County: Barbour County, Doddridge County, Lewis County, Marion County, Taylor County, Upshur County, Wetzel County.
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