Isle of Wight County, VA zoning map, flood zone and property lines by address
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Towns in Isle of Wight County: Smithfield, Carrollton, Windsor.
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 Isle of Wight County has 55 FIRM panels, the newest effective January 2026; coastal V zones, where waves add to the flood, are mapped along its shore.
The official panel and any Letter of Map Amendment are at FEMA's Map Service Center. An elevation certificate for an Isle of Wight 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 Virginia statewide parcel layer (Virginia Geographic Information Network, from each locality), so an Isle of Wight lot shows the same lines the real estate assessor draws. Isle of Wight County covers about 202,039 acres of land and 30,171 acres of water.
Mapped lines are approximate. The Isle of Wight County real estate assessor keeps the parcel record (Isle of Wight County website); a licensed surveyor sets the true corners.
Zoning
Isle of Wight County zones its unincorporated land, and Smithfield, Windsor each zone the land inside their limits. ParcelSheet shows the use the real estate assessor 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
Under Virginia's zoning law (Code of Virginia Title 15.2, Chapter 22), local governments can allow an accessory dwelling unit on a lot with a house. Whether an Isle of Wight 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. Isle of Wight County is soil survey area VA093, Isle of Wight County, Virginia, last updated August 2026, on Web Soil Survey.
A new or changed septic system in Isle of Wight County needs a permit from the Isle of Wight County local health department (Virginia Department of Health).
Setbacks
Setbacks in Isle of Wight 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 Smithfield and Windsor for land inside their limits.
Hazards that apply
- Storm surge. Isle of Wight County has coastal V zones on its FEMA map, so storm surge reaches its shore. The county's evacuation zones are on its emergency management site; ParcelSheet shows the FEMA zone and the 3 ft sea level rise map at the lot.
- Wetlands and wildfire. ParcelSheet shows the National Wetlands Inventory near an Isle of Wight lot and the Forest Service wildfire hazard rating at it.
Questions
Is my house in a flood zone in Isle of Wight 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 Isle of Wight County has 55 panels, the newest effective January 2026. A lender or insurer uses the official FIRM panel; FEMA's Map Service Center has it.
How do I find property lines in Isle of Wight County?
Open the Virginia map, type the address, and the parcel outline from the Isle of Wight County real estate 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 Isle of Wight County?
Zoning in Isle of Wight County is set by the county for unincorporated land and by each city (such as Smithfield, Windsor) inside its own limits. ParcelSheet shows the use code the real estate assessor lists and links the office that sets the zoning; the planning office has the final word.
Can I build an ADU in Isle of Wight County?
Under Virginia's zoning law (Code of Virginia Title 15.2, Chapter 22), counties and cities can allow an accessory dwelling unit, and each sets its own rules. In Isle of Wight 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 Isle of Wight County?
Yes. A new or changed septic system in Isle of Wight County needs a permit from the Isle of Wight County local health department (Virginia Department of Health). ParcelSheet shows the USDA soil survey's septic rating at the lot, from survey area VA093 (Isle of Wight County, Virginia).
What can I build on 5 acres in Isle of Wight County?
Zoning in Isle of Wight County is set by the county for unincorporated land and each city inside its own limits (such as Smithfield, Windsor). 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 Isle of Wight County website.
What are the residential setbacks in Isle of Wight County (2026)?
Setbacks in Isle of Wight 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 Isle of Wight County website.
Next to Isle of Wight County: Southampton County, Surry County, Franklin city, Newport News city, Suffolk city.
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