Planning project · Planning application
Remodel of single-family home with attached second-story accessory unit approved
The approval lets the owner remodel the 1952 house and add an attached second-story accessory dwelling over a garage on a 0.2-acre lot. Garage access moves to the rear alley. The city approved it administratively on Oct. 13.

From the filing
The application's description as it appears in City of Boise's record. See the official record
Remodel with attached ADU
Project name on file: 2501 N 31ST - LNC & ADU
Timeline
Oct. 14, 2026
Status changed from In review to Approved
Reported as “Project Entitled”.
Oct. 13, 2026
Approved
June 23, 2026
Planning Applications: Project Entitled
March 20, 2026
Pending Application Submittal: Planning Applications in Review
March 2, 2026
Concept Review Complete: CR Complete - Type 2
Feb. 17, 2026
Concept Review Complete: Corrections Required
Please provide a Site Plan and additional information regarding the project.
Feb. 17, 2026
Concept Review Complete: Notes
Emailed for CR. Unclear on project details.
Jan. 27, 2026
Application Submittal: Online
Jan. 27, 2026
Application filed
Documents
Site plans
- Download Existing and proposed site plan, sheet G-1.1
Site plan sheet showing existing and proposed site layout for a corner lot, including setbacks, zoning R-1C, a proposed ADU over a two-car garage, a new driveway, and an addition.
Feb. 22, 2026 · 1 page · 209 KB · PDS-Other Small Docs
Renderings
- Download Existing exterior perspective
Review set sheet G-1.2 showing the existing exterior perspective of the project, dated Feb. 6, 2026, from the architect's drawing set.
Feb. 22, 2026 · 1 page · 3.9 MB · PDS-Other Small Docs
- Download Conceptual exterior perspectives, review set
Review-set renderings of the proposed building from southeast, south and southwest views, sheet G-1.3, dated Feb. 6, 2026.
Feb. 22, 2026 · 1 page · 1.5 MB · PDS-Other Small Docs
Plans
- Download Basement floor plan, sheet A-1.1
Architectural basement floor plan with area calculations, general construction notes, and dimensions for the house, basement, ADU and two-car garage.
Feb. 22, 2026 · 1 page · 101 KB · PDS-Other Small Docs
- Download Cover sheet with drawing index and design criteria
Cover sheet for the Sunset House residential set dated 02/06/2026, listing the drawing index, applicable residential, fire, electrical, mechanical and energy codes, and design criteria.
Feb. 22, 2026 · 1 page · 684 KB · PDS-Other Small Docs
- Download Exterior elevations, review set
Architectural exterior elevation drawings (north, south, east, west) with floor heights, roof plate heights and general construction notes for window, flashing, gutter and wood finish specifications.
Feb. 22, 2026 · 1 page · 3.8 MB · PDS-Other Small Docs
- Download Main floor plan (review set, dated 02/06/2026)
Architectural main floor plan sheet with area calculations, general construction notes, window schedule references and room dimensions for the residence and ADU.
Feb. 22, 2026 · 1 page · 377 KB · PDS-Other Small Docs
- Download Upper floor plan
Upper floor plan sheet with area calculations, general construction notes, and room dimensions, dated 02/06/2026 in the sheet's review set.
Feb. 22, 2026 · 1 page · 120 KB · PDS-Other Small Docs
Project narrative
- Download Concept review summary report
Planner's advisory summary for an attached ADU with garage and home remodel, covering required zoning certificate, legal nonconforming status, access and pathway requirements.
March 2, 2026 · 2 pages · 467 KB · PDS-Concept Review Summary Report
Application
- Download Planning project application form
Application form for a major remodel of an existing 1,500 SF single-family structure into a two-story dwelling with an attached two-car garage, filed by the owner's applicant contact.
Jan. 27, 2026 · 2 pages · 158 KB · PDS-Application




