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Brunswick County, NC Environmental Rules: Flood Zones (2026)

Some Restrictions

Compiled from the official code textEditor Martyn O'NeillLast verified August 2026

FEMA flood zone rules in Brunswick County, NC, also called floodplain regulations or special flood hazard area (SFHA) rules, determine flood insurance requirements and elevation standards for new construction.

Key Facts

Permit required before: Any development in a Special Flood Hazard Area
Administered by: Floodplain Administrator (Director of Code Administration)
FIS map date: December 6, 2019
Criminal penalty: Class 1 misdemeanor, up to $200 / 30 days
Corrective order window: 60 to 180 days to fix violation
Governs: Unincorporated county only

FEMA Flood Zone Lookup

FEMA assigns every parcel in the U.S. a flood-hazard designation on its Flood Insurance Rate Maps (FIRMs). Zones starting with A or V are high-risk Special Flood Hazard Areas where federally backed mortgages require NFIP flood insurance. Zone X indicates moderate-to-minimal risk, where insurance is optional but often recommended. Your specific zone determines insurance cost, build elevation, and permit requirements in Brunswick County, NC.

Zone	What it means	NFIP required?
A	High-risk flood area; 1% annual chance flood, no detailed analysis.	Yes
AE	High-risk; same as A but with established Base Flood Elevations.	Yes
AH	High-risk shallow flooding (1-3 ft), usually ponding.	Yes
AO	High-risk shallow flooding (1-3 ft) with sheet flow on sloping terrain.	Yes
V	High-risk coastal zone subject to wave action (no BFE).	Yes
VE	High-risk coastal zone with wave action and established BFEs.	Yes
X (shaded)	Moderate risk; between the 1% and 0.2% annual chance flood.	Recommended
X	Minimal risk; outside the 0.2% annual chance floodplain.	No

Look up Brunswick County, NC on the FEMA flood map

FEMA maps update periodically; verify zone before buying flood insurance or building.

Summary

Any development activity within a Special Flood Hazard Area of unincorporated Brunswick County needs a Floodplain Development Permit before work begins, under the county's Flood Damage Prevention Ordinance adopted December 6, 2019. The permit process runs through the county's Floodplain Administrator, and violating the ordinance is a Class 1 misdemeanor carrying up to a $200 fine and 30 days in jail, with each day of violation counted separately.

These county ordinances apply to unincorporated areas of Brunswick County. Incorporated cities within the county may have their own rules that take precedence over county-level regulations.

C.Establishment of Floodplain Development Permit A Floodplain Development Permit shall be required in conformance with the provisions of this Ordinance prior to the commencement of any development activities within Special Flood Hazard Areas determined in accordance with the provisions of Article 7.1.3, Section B of this Ordinance....H.Penalties for Violation Violation of the provisions of this Ordinance or failure to comply with any of its requirements, including violation of conditions and safeguards established in connection with grants of variance or special use permits, shall constitute a Class 1 misdemeanor pursuant to N.C.G.S. § 143-215.58. Any person who violates this Ordinance or fails to comply with any of its requirements shall, upon conviction thereof, be fined not more than $200.00 or imprisoned for not more than thirty (30) days, or both. Each day such violation continues shall be considered a separate offense.

View official code

Full Breakdown

Brunswick County adopted its Flood Damage Prevention Ordinance, now Article 7 of the Unified Development Ordinance, on December 6, 2019, under authority delegated by Chapter 160D of the North Carolina General Statutes along with Chapter 143 and Chapter 153A. C requires a Floodplain Development Permit before the start of any development activity, defined broadly to include buildings, fill, grading, paving, excavation, drilling, mining, dredging or storage of equipment or materials, within a county Special Flood Hazard Area mapped on the Flood Insurance Study dated December 6, 2019 for Brunswick County.

A, and must include a scaled plot plan showing flood zone designations, floodway boundaries, Base Flood Elevation data and the proposed elevation method, plus a foundation plan and, where floodproofing is used instead of elevation, a Floodproofing Certificate on FEMA Form 086-0-34. 58, punishable by a fine of up to $200, up to 30 days in jail, or both, with each day of continuing violation treated as a separate offense. This flood article governs unincorporated Brunswick County parcels; Leland, Southport, Oak Island, Shallotte, Holden Beach, Ocean Isle Beach, Sunset Beach, Calabash and Boiling Spring Lakes each administer their own floodplain ordinances for property inside town limits.

Violations & Fines

A violation of Article 7's floodplain permit requirement is a Class 1 misdemeanor under N.C.G.S. § 143-215.58, punishable on conviction by a fine of up to $200, up to 30 days in jail, or both, with every day the violation continues counted as a separate offense. Beyond criminal penalties, the Floodplain Administrator can issue a corrective-action order after a hearing, giving the owner 60 to 180 days to fix the violation, appealable to the county's governing body within 10 days.

Frequently Asked Questions

Do I need a permit to build in a flood zone in unincorporated Brunswick County?

Yes. Section 7.1.3.C requires a Floodplain Development Permit before any development activity begins in a Special Flood Hazard Area, covering everything from new construction to fill, grading, paving and equipment storage. The application goes to the county's Floodplain Administrator, currently the Director of Code Administration, before work can lawfully start.

What happens if I build in the floodplain without a permit?

It's a criminal offense. Section 7.1.3.H makes a violation of the Flood Damage Prevention Ordinance a Class 1 misdemeanor under N.C.G.S. § 143-215.58, punishable by a fine of up to $200, up to 30 days in jail, or both, and every day the violation continues counts as a separate offense.

Does the county flood permit apply inside Oak Island or Sunset Beach?

No. Article 7 of the county's Unified Development Ordinance regulates only unincorporated Brunswick County. Oak Island, Sunset Beach and the county's other incorporated towns each administer their own floodplain management ordinances for property inside their town limits, so check with the town directly.

Sources & Official References

[1]Brunswick County Unified Development Ordinance, Municode

Other rules in Brunswick County

Noise Ordinances: Construction HoursSome Restrictions Erosion ControlSome Restrictions Stormwater ManagementSome Restrictions Boat Dock PermitsSome Restrictions Flood Elevation RequirementsSome Restrictions Noise Ordinances: Barking DogsSome Restrictions Parking Rules: Driveway RulesSome Restrictions Parking Rules: Loading ZonesSome Restrictions Fence Regulations: Retaining WallsLight Restrictions Fence Regulations: Material RestrictionsSignificant Restrictions

All Brunswick County rules

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