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Lexington County, SC Building Setbacks & Zoning: Lot Coverage Limits (2026)

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

Key Facts

Max lot coverage
50% of the lot
Applies to
Residential Detached (Limited) developments only
Lot size range
4,000 to 5,000 sq ft
Excluded from cap
Pools, playgrounds, accessory recreation items
Amenity areas
No coverage limit at all

Summary

Homes built in a Lexington County Residential Detached (Limited) development can cover no more than 50 percent of their lot, under Zoning Ordinance Section 122.13. The cap excludes accessory structures like pools and play equipment, and there's no coverage limit at all for the development's shared amenity areas, utilities, or other approved non-residential features.

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.

122.13 Lot Coverage The maximum lot coverage for dwelling units within Residential Detached (Limited) developments shall be 50 percent (%). Accessory structures to the principal dwelling, including swimming pools, play grounds, or other personal recreational items do not have to conform to the maximum lot coverage requirement. There is no maximum lot coverage for proposed amenity areas, utilities, or other permissible non-residential uses located on lots within and intended to serve Residential Detached (Limited) developments.

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

12. The dwelling unit's coverage cannot exceed 50 percent of the lot. The section then carves out two exceptions that keep the cap from being as tight as it sounds: accessory structures attached to the principal dwelling, including swimming pools, playgrounds, or other personal recreational items, don't have to conform to the 50 percent limit, and there's no maximum lot coverage at all for proposed amenity areas, utilities, or other permissible non-residential uses on lots serving the development. 30. 40, all part of the same compact-development package adopted with the county's June 25, 2024 zoning rewrite, Ord. No. 23-17.

Violations & Fines

A Residential Detached (Limited) development or dwelling unit that exceeds the 50 percent lot coverage cap is a Zoning Ordinance violation the Zoning Administrator can address under Section 174.00, including withholding building permits, inspections, or other approvals until the plan is brought into compliance. Continued noncompliance is a misdemeanor under Section 174.10, punishable up to the maximum fine and imprisonment the magistrate's court allows, with each day treated as a separate offense.

Frequently Asked Questions

What's the maximum lot coverage in a Lexington County RDL development?
50 percent, under Zoning Ordinance Section 122.13. That cap applies to the dwelling unit itself; accessory structures like a swimming pool, playground, or other personal recreational item attached to the principal home are excluded and don't count against the 50 percent limit at all.
Does the 50% lot coverage rule apply to every home in Lexington County?
No. It's specific to Residential Detached (Limited) developments, a compact housing type on 4,000 to 5,000 square foot lots created under Article 12 of the Zoning Ordinance. Standard subdivisions follow different density and dimensional standards tied to their zoning district under Section 22.30.
Are pools and playgrounds counted in the lot coverage limit?
No. Section 122.13 specifically excludes accessory structures to the principal dwelling, including swimming pools, playgrounds, and other personal recreational items, from the 50 percent maximum. Amenity areas, utilities, and other approved non-residential features serving the development have no coverage limit at all.

Sources & Official References

Other rules in Lexington County

All Lexington County rules

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