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Lexington County, SC Environmental Rules: Flood Elevation Requirements (2026)

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

Key Facts

Freeboard
2.0 feet above base flood elevation
Applies to
New or replacement manufactured homes
Foundation
Permanent, securely anchored foundation
Permit
Floodplain Manager reviews permit first
Source
Chapter 31, Flood Damage Prevention Ordinance

Summary

Lexington County requires manufactured homes placed or rebuilt in flood hazard areas to sit at least 2 feet above the base flood elevation on a securely anchored permanent foundation.

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

Manufactured homes that are placed or substantially improved on sites outside a manufactured home park or subdivision...must be elevated on a permanent foundation such that the lowest floor of the manufactured home is elevated no lower than 2.0 feet above the base flood elevation and be securely anchored to an adequately anchored foundation system to resist flotation, collapse, and lateral movement.

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 20).

Full Breakdown

Under the county's Flood Damage Prevention Ordinance (Chapter 31), any manufactured home sited for the first time, placed in a new or expanded manufactured home park, or moved into an existing park after a prior home there suffered flood damage, must go on a permanent foundation with its lowest floor at least 2.0 feet above the base flood elevation shown on FEMA's Flood Insurance Study for unincorporated Lexington County. The home must also be anchored to resist flotation, collapse, and lateral movement, and the Lexington County Floodplain Manager reviews the building or floodplain permit before work starts.

Violations & Fines

Building without a floodplain permit or setting the lowest floor below the required 2-foot freeboard is a code violation, subject to Lexington County enforcement action under Chapter 31.

Frequently Asked Questions

Does this apply to a manufactured home already in place?
No. It applies to homes newly sited, placed in a new or expanded park, or replaced after flood damage in an existing park, not to homes already lawfully in place.
What if my lot has no published base flood elevation?
The county applies Sec. 3-3's standards for streams without established base flood elevations to determine an alternate elevation requirement for the site.

Sources & Official References

Other rules in Lexington County

Noise Ordinances: Quiet HoursSome RestrictionsNoise Ordinances: Construction HoursSome RestrictionsParking Rules: RV & Boat ParkingSome RestrictionsStormwater ManagementSignificant RestrictionsErosion ControlSignificant RestrictionsFlood ZonesSignificant RestrictionsNoise Ordinances: Decibel LimitsSome RestrictionsNoise Ordinances: Vehicle NoiseSome RestrictionsNoise Ordinances: Barking DogsSome Restrictions

All Lexington County rules

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