Discussion Item 2026-01137 1 appearance active
Discussion regarding zoning rules for residential accessory buildings.
Topics
Summary
This ordinance amendment considers changes to zoning rules for residential accessory buildings, specifically focusing on Accessory Dwelling Units (ADUs).
Key Changes Proposed:
- ADU Setbacks: The current code requires a 60-ft front yard setback for ADUs, similar to garages. The amendment proposes reducing this setback to be consistent with the specific zoning district's requirements. For example, on a lot zoned RB (residence) with a 10-ft front yard setback, the ADU would also only need a 10-ft front yard setback.
- Other Accessory Buildings: Clarifications are added, noting that carports are considered "Other Accessory Buildings." Design criteria could be developed in a policy document, and if an accessory building is attached to the main building, the zoning district rules for the main building apply.
Example Scenario (6105 W Lapham St.):
- Current Code: A proposed 400-sq-ft ADU on a 58x120-ft lot would require a 60-ft front yard setback.
- Amended Code: With the proposed amendment, the ADU would only need a 10-ft front yard setback, compatible with the RB zoning district.
Process for ADU Construction:
- Updated Plat of Survey
- Planning and Zoning Design Review permit
- Building permit
Committee Timeline
Common Council
January 20, 2026
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