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ADUs are allowed in Kennesaw
Types:DetachedInternal

Accessory Dwelling Unit (ADU) Rules for Kennesaw, GA

Is your property eligible for an ADU?

# of Properties
10,558
Owner-occupied
69%
Zoning districts
29
Avg Home Value
$372,600
Median Lot Size
0.20 acres
Avg Income
$100,668
Residential Types:
10,558 housing units
Single Family
1%
Apts (4+ units)
2%
Other
98%
Zoning Districts:
12,118 parcels · 29 districts
PUD-R
27%(3,253)
FST
23%(2,762)
R-15
17%(2,091)
R-10
7%(814)
Other
26%(3,198)

ADU Rules

What can you build in Kennesaw, GA?

Kennesaw, GA follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.

Interior / Attached ADU Size Limits

  • Maximum habitable area for an internal ADU (parking excluded) is 440 sq ft in zones T4-L, T4-O, and T5.

Detached ADU Size Limits

  • Maximum habitable area of a detached Accessory Unit (outbuilding) is 440 sq ft, excluding parking (Form-Based Code zones T4L, T4O, T5).

Max Units

  • T3: 0 ADUs; T4L: 1 ADU per lot (accessory building only)

Parking

  • ADU parking not specified; no explicit ADU category in Table 6.06.09A; general residential rates exist but not stated to apply to ADUs

ADU State Law

What can you build in Georgia?

  • Georgia does not have a statewide ADU mandate; ADU rules are set by individual municipalities.
  • Building/fire codes are set statewide, but whether an ADU is allowed is local zoning.

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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Is your property eligible for an ADU?

ADU rules in other Georgia municipalities

Rules change at the town line. Check the municipality your property is actually in.

Cobb County