Brisbane ADU topic page
Brisbane ADU Rules
Start with the official local ADU rules, then confirm lot-specific limits before requesting provider quotes.
Short answer
Start with the official local ADU rules, then confirm lot-specific limits before requesting provider quotes.
Source requirement: Official city or county rule source parsed and cited.
Local rule evidence
Size
No Minimum Max ADU New construction: 1,000 square feet Max ADU Conversion: 1,000 square feet Max JADU: 500 square feet
Setbacks and parking
Front: Dependent on underlying zoning district Rear: 4 feet Side: 4 feet on lots 40 feet or more in width, otherwise dependent on the underlying zoning district JADUs & ADUs in R-1, R-2, R-3, NCRO-2, SCRO-1, PAOZ-1, or PAOZ-2 Districts: No parking required ADUs in R-BA...