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Planning project · Planning application

Accessory dwelling unit over existing garage approved on 0.13-acre lot

The Historic Preservation Commission approved a plan to add one accessory dwelling unit, up to 900 square feet, above an existing garage behind a single-family home. Access stays off the alley. A separate zoning certificate is also required.

ApprovedPLN26-00170Filed Feb. 16, 2026North End · 825 N 12th St+6 related filings
Site plan for Accessory dwelling unit over existing garage approved on 0.13-acre lot
Site plan from the application documents.
Pin at the reported location; the shaded outline is the primary parcel (Ada County).

From the filing

City of Boise hasn't published a description of this application yet. See the official record

Project name on file: 825 N 12TH ST - ADU

Timeline

  1. Sept. 1, 2026

    Planning Applications: Project Entitled

  2. July 7, 2026

    Pending Application Submittal: Planning Applications in Review

  3. July 6, 2026

    Planning Applications: Generate Additional Application

  4. May 18, 2026

    Pending Application Submittal: Planning Applications in Review

  5. May 8, 2026

    IDR Review Complete: IDR Waived

  6. May 8, 2026

    Neighborhood Meeting Review: Completed

  7. Feb. 26, 2026

    Concept Review Complete: CR Complete - Type 3

  8. Feb. 16, 2026

    Application Submittal: Online

  9. Feb. 16, 2026

    Application filed

Documents

Site plans

  • Existing and proposed site plans and floor plan sheets for a backyard accessory dwelling unit, including setbacks, lot coverage and paving changes.

    May 7, 2026 · 5 pages · 141 KB · PDS-Other Small Docs

    Download Site plans shared at the meeting

  • Drawing of the site's current conditions, showing existing house, paving, and setbacks, with a legend distinguishing elements to remain or be removed.

    Feb. 16, 2026 · 1 page · 77 KB · PDS-Other Small Docs

    Download Existing site plan

  • Site plan for an accessory dwelling unit showing new construction above an existing garage, with lot coverage calculations, existing house and garage to remain, and existing lot coverage of 29.5 percent with no proposed…

    Feb. 16, 2026 · 1 page · 85 KB · PDS-Other Small Docs

    Download Proposed site plan

Plans

  • Summary of a pre-application meeting for an accessory dwelling unit above an existing garage, noting that attendees were supportive of the design and plan.

    May 7, 2026 · 2 pages · 614 KB · PDS-Other Small Docs

    Download Pre-application meeting summary form

  • Scale drawings of the north and west elevations for the Binford ADU, prepared by Amy Allgeyer Architect, Inc.

    Feb. 16, 2026 · 1 page · 79 KB · PDS-Other Small Docs

    Download Exterior elevations (north and west)

  • Floor plan drawing at 1/8" scale for a proposed accessory dwelling unit, showing living room, kitchen, bedroom, bath and skylights, prepared by an architect.

    Feb. 16, 2026 · 1 page · 80 KB · PDS-Other Small Docs

    Download Proposed ADU floor plan

Project narrative

  • Planner's advisory summary for a proposed accessory dwelling unit over an existing garage, covering required applications, setbacks, size limits, and prior approvals.

    Feb. 26, 2026 · 3 pages · 478 KB · PDS-Concept Review Summary Report

    Download Concept review summary report

Notices

  • A list of nearby property owners and mailing addresses within 300 feet of the application site, compiled for public hearing notice mailing.

    May 7, 2026 · 5 pages · 43 KB · PDS-Other Small Docs

    Download Radius address list for notice mailing

Application

Correspondence

Other documents

  • Sign-in sheet

    May 7, 2026 · 1.9 MB · PDS-Other Small Docs

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