New Hanover County, North Carolina requires a building permit for new construction, and Building Safety administers the permit1. County zoning governs unincorporated land, with standards that vary by district and use23. Septic permits go through county Environmental Health's On-Site Water Protection program4.
At a glance
- Building permit
- Required for new construction1
- Zoning
- County zoning applies to unincorporated land2
- Septic permit
- Issued by county Environmental Health, not the state directly4
- Owner-builder
- Conditional path for a primary-residence owner who personally performs or manages the work5
- Tiny home
- Recognized by the state residential code at 400 sq ft or less, excluding lofts6
- Permit fees
- Published for building and environmental-health permits7
- RV living
- Ask Current Planning & Zoning before relying on it8
Who to call
Building permits
New Hanover County Building Safety
Building permits, inspection scheduling and journeyman exam information for New Hanover County; applications go through the COAST online permitting portal
230 Government Center Drive, Wilmington, NC 28403
Zoning
New Hanover County Current Planning & Zoning
Administers the Unified Development Ordinance, site plan and subdivision review, rezonings, special use permits, variances, CAMA coastal permitting and floodplain management for New Hanover County
230 Government Center Drive, Wilmington, NC 28403
Septic permits
New Hanover County Environmental Health - On-Site Water Protection
Enforcement of septic (wastewater) system and private drinking-water well rules for New Hanover County, including site evaluations, permits, construction inspections and well water testing
230 Government Center Drive, Suite 140, Wilmington, NC 28403
Contact details are copied from each office’s official page and were checked against it on September 29, 2026.
Do you need a building permit in New Hanover County, North Carolina?
Yes. New construction in New Hanover County requires a building permit from Building Safety1. State law also requires permits before covered construction, reconstruction, alteration, repair, movement, removal or demolition begins9. A narrow state exception covers some qualifying work costing $40,000 or less, but it excludes listed structural, plumbing-design, heating, cooling, electrical, roofing-addition and Fire Code work9. The county publishes fees: residential new construction is calculated at $0.441 per square foot with a $400 minimum, while a minor residential alteration requiring a single building inspection costs $607. Permitted work must pass applicable inspections, and a required certificate of occupancy follows approval of all final inspections1011.
Who is the New Hanover County building department, and how do you reach them?
New Hanover County Building Safety handles building permits and inspection scheduling1213. Reach the division at the New Hanover County Government Center, 230 Government Center Drive, Wilmington, North Carolina 28403, by phone at 910-798-7311 or by email at [email protected]12. Building Safety uses the COAST portal for inspection requests, while Current Planning & Zoning and Environmental Health also direct applicants to COAST for their permit work13814. The county instructs applicants to request a next-business-day inspection in COAST before 3:30 p.m., subject to the required inspection prerequisites13.
Does New Hanover County have zoning?
Yes. New Hanover County administers zoning in unincorporated areas2. The Unified Development Ordinance establishes residential, commercial and industrial districts, and standards for lot size, building placement, structure height and allowed uses vary by district and use3. Current Planning & Zoning reviews residential and commercial site plans and handles rezonings, special use permits, variances and zoning appeals8. The same office reviews subdivisions; county subdivision rules govern how unincorporated land is divided into development lots and address access, streets, lot layout, utilities, water supply and stormwater drainage15. A parcel's district therefore matters before you settle on a house location, RV plan, tiny home or minimum floor area. The county sources reviewed did not resolve the complete rules for those last three questions, so ask Current Planning & Zoning about the specific parcel and proposed use8.
How do septic permits work in New Hanover County?
Septic permits in New Hanover County are handled locally, by county Environmental Health's On-Site Water Protection program, not directly by the state4. The program enforces the laws and rules governing wastewater (septic) systems and private drinking water wells, and provides site evaluations, septic and well construction permits, construction inspections, well water testing, and complaint investigations14. Reach the office at 230 Government Center Drive, Suite 140, Wilmington, North Carolina 28403, phone 910-798-6667, or by email at [email protected], and apply through the same COAST portal used for building and zoning14. Statewide, an Improvement Permit and Construction Authorization are required before you build, relocate, install or repair a wastewater system, and no one may cover, use, or authorize occupancy connected to the system until the local health department inspects it and confirms it complies with the permit1617. Soil is the real challenge in this county: USDA soil-survey data show only about 1.4% of New Hanover County's soils are free of severe limits for a conventional drain field, among the lowest shares in the state, so plan on a site evaluation steering you toward an engineered or alternative system on almost any rural-feeling parcel18.
Can you live in an RV or tiny home on your land in New Hanover County?
North Carolina's residential code recognizes a tiny house as a single dwelling unit of 400 square feet or less, excluding lofts, when it complies with the code's tiny-house provisions6. That construction standard does not answer where a tiny home may be occupied in unincorporated New Hanover County; the county's complete tiny-home occupancy, district and minimum-dwelling-size rules could not be confirmed. Current Planning & Zoning should verify the parcel's district and proposed use before you buy or place a unit38. The county's complete rule for living in an RV or temporarily camping on private land also could not be confirmed, so ask that office before treating an RV as temporary housing during construction8. A portable toilet cannot replace permanent sanitation where the state building code requires a permanent connection19.
Building a home in New Hanover County: the steps, in order
- Ask Current Planning & Zoning to confirm the parcel's district, allowed use and dimensional standards before design begins38.
- If land will be divided, complete subdivision review before relying on proposed lots, access or utilities15.
- Get Environmental Health's site evaluation and required septic approvals early because the system can control the buildable area1416.
- Check whether coastal work needs a CAMA permit20.
- Submit the building application through the county process; new construction requires a Building Safety permit113.
- If using the owner-builder path, file the county documentation and personally perform or manage the work; the home generally must remain your primary residence for at least 12 consecutive months5.
- Request and pass required inspections, then obtain the required certificate before occupancy1011.
What to check before you buy land in New Hanover County
Confirm the parcel's zoning district and Unified Development Ordinance requirements before you buy: New Hanover's interactive zoning map shows what a parcel allows, and Current Planning & Zoning can confirm anything the map doesn't answer218. Check the soil before you count on an affordable septic system: only about 1.4% of New Hanover County's soils are free of severe limits for a conventional drain field, among the most limited shares in the state, so budget for a site evaluation and likely a pricier alternative system18. Check FEMA flood mapping and whether the parcel needs a CAMA permit: development in a mapped flood hazard area needs a floodplain permit, and coastal work often needs a CAMA minor or major permit on top of your county building permit2220. If you're drawn to New Hanover for open land, know the county is already dense and urban by rural standards, at about 1,242 people per square mile and roughly a mile from the nearest metro area, so land here trades more like suburban real estate than a rural homestead2324. New Hanover County's effective property tax rate runs about 0.6% of assessed value, with a median annual bill of $2,0752526.
Watch-outs
- This review found no source addressing whether you can live in an RV or camper on your own land in unincorporated New Hanover County; confirm with Building Safety or Current Planning & Zoning before you plan to128.
- New Hanover County's owner-builder path does not waive ordinary permits or inspections, and hiring another person or business to perform the work invalidates the owner's permit5.
- New Hanover County's coastal location means CAMA and floodplain permits can stack on top of a standard building permit; don't budget for just one permit if your parcel touches water or a flood zone2022.
Sources
- Permit Cost, quoted and re-checked
- Current Planning & Zoning Overview, quoted and re-checked
- Current Planning & Zoning Overview, quoted and re-checked
- New Hanover County, NC - On-Site Well Water Protection (Environmental Health) (2026 county census)
- Frequently Asked Questions, quoted and re-checked
- 2024 North Carolina Residential Code, Appendix AQ Tiny Houses (North Carolina statewide rule), quoted and re-checked
- Permit Cost, quoted and re-checked
- New Hanover County Current Planning & Zoning (nhcgov.com)
- G.S. 160D-1110. Building permits. (North Carolina statewide rule), quoted and re-checked
- Frequently Asked Questions, quoted and re-checked
- Frequently Asked Questions, quoted and re-checked
- New Hanover County Building Safety (nhcgov.com)
- Frequently Asked Questions, quoted and re-checked
- New Hanover County Environmental Health - On-Site Water Protection (nhcgov.com)
- Current Planning & Zoning Overview, quoted and re-checked
- G.S. 130A-336. Improvement permit and construction authorization required (North Carolina statewide rule), quoted and re-checked
- G.S. 130A-337. Inspection; operation permit required (North Carolina statewide rule), quoted and re-checked
- Share of soils without severe limits for a conventional septic drain field (USDA SSURGO): Bolthole Index county data
- G.S. 130A-335 PDF, subsection (h) (North Carolina statewide rule), quoted and re-checked
- Types of Permits (North Carolina statewide rule), quoted and re-checked
- Current Planning & Zoning Overview (2026 county census)
- North Carolina Quick Guide: Applying for a Floodplain Development Permit (North Carolina statewide rule), quoted and re-checked
- Population density: Bolthole Index county data
- Distance to the nearest metro area: Bolthole Index county data
- Effective property tax rate: Bolthole Index county data
- Median property tax bill: Bolthole Index county data
Written September 29, 2026 from the rules quoted below, each taken from an official source and re-checked by an independent reviewer. This is research, not legal advice: rules change, so confirm with the office before you buy or build.