ADUs are allowed in Unincorporated HarrisonTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Unincorporated Harrison, MS
Is your property eligible for an ADU?
# of Properties
5
Zoning districts
18
Zoning Districts:
34,035 parcels · 18 districts
R-1
40%(13,627)
E-1
25%(8,450)
R-2
16%(5,391)
A-1
14%(4,632)
Other
6%(1,935)
ADU Rules
What can you build in Unincorporated Harrison, MS?
Unincorporated Harrison, MS follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.
Eligibility
- –Internal / Attached ADU: By Right
- –Detached ADU: By Right
Interior / Attached ADU Size Limits
- –Maximum size for an internal or attached secondary living unit is 50% of the principal single-family dwelling’s floor area, but at least 750 sq ft is allowed.
Detached ADU Size Limits
- –Maximum ADU size is half the principal detached single-household dwelling, but never less than 750 sq ft.
Max Units
- –1 Secondary Living Unit per principal detached single-household dwelling per lot.
- –Duplex or multifamily principal structures: none specified.
Owner Occupancy
- –No owner-occupancy requirement for ADUs.
Parking
- –ADU parking not specified; follow general provisions for unlisted uses: use parking for similar uses, shared parking allowed, off-site within 500 ft, tandem parking (1 per dwelling unit) may count.
Rental Restrictions
- –Secondary Living Units (attached or detached) may not be rented; only non-paying guests may use the unit.
What's allowed on your lot?
These are the municipality-wide rules. What's allowed on a specific property also depends on state laws, setbacks, floor area ratio, lot coverage, environmental constraints, topography, and other property-specific factors. Search your address on FutureLot to see what's allowed on your property.
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ADU rules in other Mississippi municipalities
Rules change at the town line. Check the municipality your property is actually in.
Harrison County