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Salt Lake City ADU playbook

Salt Lake City already has a local ADU ordinance and is a specified municipality. Zoning is the make-or-break signal — look it up before you design.

Planning desk

Salt Lake City Planning Division

801-535-7757

www.slc.gov/planning/

Try a sample property: 1688 W Earnshaw Ln, Salt Lake City

Local themes
  • Salt Lake City already has a local ADU ordinance and is a specified municipality under S.B. 284.
  • City zoning (not just assessor class) decides whether an ADU is allowed on your specific property today.
  • Use the city’s planning counter / ADU resources and bring your parcel ID when you ask about setbacks and parking.

Setbacks: SLC publishes zone-based standards; use the city’s zoning map with your parcel ID, then confirm setbacks for ADUs in that zone.

Parking: Budget for required off-street parking unless the city confirms an exemption for your case.

Ordinance: SLC’s ADU ordinance is the local baseline; S.B. 284 adds a statewide detached floor for qualifying properties on Oct 1, 2026.

Common rejection reasons
  • Wrong zone for the ADU type requested
  • Incomplete site plan / elevation package
  • Ignoring overlay or design standards
Permit tips
  • Call Planning (801-535-7757) with parcel ID ready
  • Use the city zoning map before the counter visit
  • Ask whether your project is internal, detached, or both