Planning project · Planning application
510-square-foot detached accessory dwelling unit proposed behind existing home
The plan would add a detached backyard unit of about 510 square feet on a 0.2-acre residential lot. The application, filed Jan. 12, is in city review and would be decided by city staff rather than a public hearing.
From the filing
The application's description as it appears in City of Boise's record. See the official record
ADU
Project name on file: 4025 W HILL RD
Timeline
Oct. 13, 2026
5 documents added
Feb. 4, 2026
Pending Application Submittal: Planning Applications in Review
Feb. 2, 2026
Concept Review Complete: CR Complete - Type 2
Jan. 12, 2026
Application Submittal: Online
Jan. 12, 2026
Application filed
Documents
Site plans
- Download Concept review summary report
Planner's advisory summary for a detached 510 sq ft one-bedroom ADU, covering setbacks, size and design standards, parking, and fire access and flow requirements.
Feb. 2, 2026 · 2 pages · 460 KB · PDS-Concept Review Summary Report
- Download Updated site plan
Revised site plan sheet with general construction notes, site plan symbols, setbacks, and a note on tree protection during construction.
Feb. 2, 2026 · 1 page · 89 KB · PDS-Other Small Docs
- Download Basic site plan with general notes and symbols
Site plan sheet showing general construction notes, site plan symbols, setbacks, property lines, and new building footprint, marked not for construction.
Jan. 12, 2026 · 1 page · 89 KB · PDS-Other Small Docs
Project narrative
- Download Letter of explanation for detached ADU application
Cover letter describing a roughly 510 square foot detached accessory dwelling unit at the rear of an existing home, stating the project meets R-1C zoning requirements without exception.
Jan. 12, 2026 · 1 page · 51 KB · PDS-Other Small Docs
Application
- Download Planning project application for a detached accessory dwelling unit
Application for a 510 sq ft detached one-bedroom accessory dwelling unit in an R-1C zone, filed by the applicant on behalf of the property owner.
Jan. 12, 2026 · 2 pages · 158 KB · PDS-Application