Planning project · Planning application
Garage loft conversion to accessory dwelling unit approved in historic district
The city approved converting the upper floor of a detached garage into an accessory dwelling unit, with a roof change and window replacement. The unit can be no larger than 900 square feet. Approval came Feb. 6 at the staff level.
From the filing
The application's description as it appears in City of Boise's record. See the official record
Internal conversion of an ADU in Historic and window replacement
Project name on file: 1808 N 15TH ST - ADU
Timeline
Feb. 6, 2026
Planning Applications: Project Entitled
Dec. 2, 2025
Pending Application Submittal: Planning Applications in Review
Dec. 2, 2025
Concept Review Complete: CR Complete - Type 2
Nov. 19, 2025
Concept Review Complete: Corrections Required
• Please provide me with a basic Site Plan so I can see the setbacks of the ADU• Please provide me with a basic floor plan• What is the proposed square footage & height of the ADU
Nov. 5, 2025
Application Submittal: Online
Nov. 5, 2025
Application filed
Documents
Project narrative
- Download Concept review summary for accessory dwelling unit conversion
Advisory summary from a Dec. 1, 2025 concept review covering conversion of a garage loft into an ADU, with setback, size, height and historic district requirements noted.
Dec. 2, 2025 · 2 pages · 462 KB · PDS-Concept Review Summary Report
Application
- Download Planning project application for accessory dwelling unit
Application for an accessory dwelling unit in the R-1C zone, filed under a planning project record, with applicant and owner information and a signed certification.
Nov. 5, 2025 · 2 pages · 158 KB · PDS-Application


