Building Setbacks & Zoning in Harrison County, MS (2026)

3 rules for unincorporated Harrison County, Mississippi.

Verified from official government sources

Note: These county rules apply to unincorporated areas of Harrison County. If you live within an incorporated city, that city's own rules apply — see the city list below.

Setback Rules

Harrison County zoning and Gulfport/Biloxi codes mandate setbacks varying by district. FEMA VE (Coastal High Hazard) zones along US-90 add elevation requirements. Dillon's Rule state, so all setbacks trace to state zoning enabling act.

building-setbacks/setback-rules

Some Restrictions

Full ordinance details →Official source ↗

Structure Height Limits

Harrison County residential height limits typically 35 feet. Biloxi casino corridor allows towers up to 375+ feet (Beau Rivage is 347 ft). Keesler AFB Part 77 airspace surfaces impose FAA height restrictions near the base.

building-setbacks/structure-height-limits

Some Restrictions

Full ordinance details →Official source ↗

Lot Coverage Limits

Harrison County limits impervious coverage to 40-60% residential. MS §49-27 Coastal Wetlands and MDEQ stormwater rules impose additional limits. Katrina-zone rebuilds triggered stricter runoff controls under EPA MS4 permits.

building-setbacks/lot-coverage

Some Restrictions

Full ordinance details →Official source ↗

All Harrison County ordinances

See every category we cover for Harrison County — parking, noise, fences, fires, animals, pools, and more.

Harrison County Ordinance Hub →