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Beaufort County, SC Fence Regulations: Retaining Walls (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Key Facts

Governing section
CDC § 5.4.30.F
Combined height rule
wall plus fence capped together
T-zone/C3 cap
4 ft front, 6 ft side/rear
C4/C5/S cap
8 ft front, side and rear
Taller structure route
security plan approval by Director
Max penalty
$500 fine or 30 days jail

Summary

Beaufort County does not set a stand-alone retaining wall height cap, but if a fence sits on top of a retaining wall or berm, the Community Development Code caps the combined height at whatever the underlying fence height limit would be for that yard.

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

F. Fences on Retaining Walls or Berms. If a fence is constructed on top of a wall or berm, the combined height of the fence and wall or berm shall not exceed the maximum height that would apply to the fence or wall alone.

View official code

Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 55 Update 1 | Community Development Code: Supplement 16).

Full Breakdown

40, which sets fence and wall heights at four feet in front and corner side yards and six feet in side and rear yards in the county's Transect Zones and C3 Zone, and eight feet in front, corner side, and rear yards in the C4, C5, and S districts. So a homeowner who builds a three-foot retaining wall and wants a fence on top of it in a T-zone side yard is limited to three additional feet of fence to stay within the six-foot combined ceiling.

5 lets an owner or a public agency submit a security plan to the Director seeking a taller combined structure, or the use of barbed or concertina wire atop it, if the Director finds the land faces materially greater theft or damage risk and the taller structure will not hurt the surrounding area's appearance or value. 2.

Violations & Fines

Exceeding the combined fence-and-wall height without an approved security plan is a Development Code violation under Article 9. The Code Enforcement Department serves a written notice under Section 9.4.40 identifying the section violated and the correction deadline; unresolved violations can draw a Uniform Summons Ticket into Beaufort County court. Section 9.5.10 sets the penalty at up to $500 or 30 days imprisonment per violation, with each day the oversized structure remains counted separately.

Frequently Asked Questions

Can I put a six-foot fence on top of a three-foot retaining wall in my side yard?
Not by right in most zones. Section 5.4.30.F caps the combined height of the wall and fence at the height that would apply to a fence alone, six feet in side and rear yards under Section 5.4.40.A, so a three-foot wall leaves room for only three more feet of fence.
Does Beaufort County require an engineering permit just for a retaining wall?
The Community Development Code addresses retaining walls through the combined fence-height rule in Section 5.4.30.F rather than a separate standalone height limit; taller combined structures need Director approval of a security plan under Section 5.4.40.C.5.
Is there any way to get a taller wall-and-fence combination approved?
Yes. Section 5.4.40.C.5 lets an owner submit a site security plan to the Director, who can approve a taller combined structure, or barbed or concertina wire on top, after finding the property faces significantly greater theft or damage risk than surrounding land.
What happens if my combined wall and fence is taller than allowed?
Code Enforcement issues a notice of violation under Section 9.4.40 with a correction deadline, and failure to comply can lead to a court summons and a misdemeanor penalty of up to $500 or 30 days in jail under Section 9.5.10.

Sources & Official References

Other rules in Beaufort County

All Beaufort County rules

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