Alexander County, NC: flood zone, zoning and property lines by address
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Towns in Alexander County: Bethlehem, Taylorsville, Stony Point.
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 Alexander County has 69 FIRM panels, the newest effective July 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 an Alexander 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 NC OneMap statewide parcel layer (each county tax office's parcels, published by the NC Center for Geographic Information and Analysis), so an Alexander lot shows the same lines the tax office draws. Alexander County covers about 166,393 acres of land and 2,332 acres of water.
Mapped lines are approximate. The Alexander County tax office keeps the parcel record (Alexander County website); every county's office is on the state's county assessors list; a licensed surveyor sets the true corners.
Zoning
Alexander County zones its unincorporated land, and Taylorsville zones the land inside its limits. ParcelSheet shows the use the tax office 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
Chapter 160D of the North Carolina General Statutes lets local governments allow an accessory dwelling unit on a lot with a house. Whether an Alexander 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. Alexander County is soil survey area NC003, Alexander County, North Carolina, last updated September 2026, on Web Soil Survey.
A new or changed septic system in Alexander County needs a permit from the Alexander County health department, under the NC DHHS On-Site Water Protection Branch, which tests the soil on the lot itself.
Setbacks
Setbacks in Alexander 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 Taylorsville for land inside its limits.
Hazards that apply
- Wetlands and wildfire. ParcelSheet shows the National Wetlands Inventory near an Alexander lot and the Forest Service wildfire hazard rating at it.
Questions
Is my house in a flood zone in Alexander 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 Alexander County has 69 panels, the newest effective July 2009. A lender or insurer uses the official FIRM panel; FEMA's Map Service Center has it.
How do I find property lines in Alexander County?
Open the North Carolina map, type the address, and the parcel outline from the county tax office 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 Alexander County?
Zoning in Alexander County is set by the county for unincorporated land and by each city (such as Taylorsville) inside its own limits. ParcelSheet shows the use code the tax office lists and links the office that sets the zoning; the planning office has the final word.
Can I build an ADU in Alexander County?
Chapter 160D of the North Carolina General Statutes lets counties and cities allow an accessory dwelling unit, and each sets its own rules. In Alexander 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 Alexander County?
Yes. A new or changed septic system in Alexander County needs a permit from the Alexander County health department, under the NC DHHS On-Site Water Protection Branch. ParcelSheet shows the USDA soil survey's septic rating at the lot, from survey area NC003 (Alexander County, North Carolina).
Next to Alexander County: Caldwell County, Catawba County, Iredell County, Wilkes County.
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