In Guilford County's RS-30 and RS-40 residential districts, maximum building coverage is capped at 30% of the lot. Minimum lot sizes are 30,000 square feet (RS-30) and 40,000 square feet (RS-40).
The UDO's per-district dimensional tables set maximum building coverage. In both the RS-30 (Section 4.2.3) and RS-40 (Section 4.2.2) residential districts, maximum building coverage is 30%. RS-30 requires a minimum lot size of 30,000 square feet and RS-40 requires 40,000 square feet, both intended for single-family detached homes in areas without public water and sewer. Accessory structures count within these standards, with the maximum accessory size (as a percent of floor area) governed by Section 4.8. Cluster/conservation subdivision options allow different dimensional standards under Article 8.
Exceeding the 30% building-coverage cap or the minimum lot size violates the UDO and can block permit issuance or subdivision approval.
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See how Guilford County's lot coverage limits rules stack up against other locations.
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