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ADUs are allowed in Cumming
Types:DetachedInternal

Accessory Dwelling Unit (ADU) Rules for Cumming, GA

Is your property eligible for an ADU?

# of Parcels
3,655
Zoning districts
25
Zoning Districts:
3,754 parcels · 25 districts
PUD
18%(670)
R-1A
14%(533)
R-3
14%(511)
R-2
9%(356)
Other
45%(1,684)

ADU Rules

What can you build in Cumming, GA?

Cumming, 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 size of 1,000 sq ft or the size of the principal dwelling, whichever is less

Detached ADU Size Limits

  • Maximum ADU size of 1,000 sq ft or the principal dwelling’s size, whichever is less

Max Units

  • 1 attached ADU per lot

Parking

  • 1 space/ADU; no fixed max (cap = 25% above min unless approved by zoning administrator); must be in a side or rear yard; off-site parking within 400 ft allowed with ownership/lease proof if on-site parking cannot be provided.

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.

Forsyth County

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