

ADUs are allowed in Unincorporated JacksonTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Unincorporated Jackson, MS
Is your property eligible for an ADU?
# of Properties
44,976
Owner-occupied
53%
Zoning districts
24
Avg Home Value
$88,527
Median Lot Size
0.81 acres
Avg Income
$79,662
Residential Types:
44,976 housing units
Single Family
61%
Apts (4+ units)
1%
Other
38%
Zoning Districts:
47,988 parcels · 24 districts
A-1
42%(20,117)
R-1
21%(9,938)
R-1A
13%(6,474)
A-2
9%(4,414)
Other
15%(7,045)
ADU Rules
What can you build in Unincorporated Jackson, MS?
Unincorporated Jackson, 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 internal or attached ADU size of 50% of the principal dwelling’s size in A-2, A-3, R-1, R-1A, and R-1B districts.
Detached ADU Size Limits
- –In A-2, A-3, R-1, R-1A, and R-1B, a detached ADU may not exceed 50% of the principal building’s footprint (also subject to rear-yard percentage caps not computed here).
Parking
- –2 spaces per dwelling unit; driveways may count; no ADU-specific standard; countywide off-street parking applies
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.
Check my propertyHow can we help you?
Get matched with trusted local builders
Understand what's allowed on your property
Learn the key rules and size limits for ADUs
Is your property eligible for an ADU?
ADU rules in other Mississippi municipalities
Rules change at the town line. Check the municipality your property is actually in.
Jackson County