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Two-story garage with accessory dwelling unit approved for historic district home

The Historic Preservation Commission approved a roughly 1,700-square-foot two-story building with a garage and an attached accessory dwelling of about 850 square feet. It was approved on Aug. 28; the garage would open onto the alley.

ApprovedPLN26-00151Filed Feb. 9, 2026North End · 1304 N 26th St+4 related filings
Site plan for Two-story garage with accessory dwelling unit approved for historic district home
Site plan from the application documents.
Pin at the reported location; the shaded outline is the primary parcel (Ada County).

From the filing

The application's description as it appears in City of Boise's record. See the official record

ADU and garage

Project name on file: 1304 N 26TH ST - ADU

Timeline

  1. Oct. 14, 2026

    14 documents added

  2. Aug. 28, 2026

    Planning Applications: Project Entitled

  3. Aug. 3, 2026

    Pending Application Submittal: Planning Applications in Review

  4. July 31, 2026

    Planning Applications: Generate Additional Application

  5. April 13, 2026

    Pending Application Submittal: Planning Applications in Review

  6. April 10, 2026

    IDR Review Complete: IDR Waived

  7. April 10, 2026

    Neighborhood Meeting Review: Completed

  8. March 24, 2026

    Concept Review Complete: CR Complete - Type 3

  9. Feb. 27, 2026

    Concept Review Complete: Notes

    Emailed for CR 2/27

  10. Feb. 9, 2026

    Application Submittal: Online

  11. Feb. 9, 2026

    Application filed

Documents

Site plans

  • Map of addresses within a 300-foot radius of the subject parcel, with a legend marking selected addresses and parcels, at a 1 inch to 200 feet scale.

    April 9, 2026 · 1 page · 591 KB · PDS-Other Small Docs

    Download Address map with radius and selected parcels
  • Applicant's completed form summarizing a neighborhood meeting, the drawings shared, and the feedback received from neighbors, with planned modifications noted.

    April 9, 2026 · 2 pages · 102 KB · PDS-Other Small Docs

    Download Neighborhood meeting summary form
  • Plot plan showing existing house and new garage placement, with lot coverage calculations (new coverage 26.35%) and a note that the garage will match the existing house height.

    April 9, 2026 · 1 page · 430 KB · PDS-Other Small Docs

    Download Site plan with lot coverage and garage plot plan
  • Site plan sheet showing floor 1 plot plan, lot coverage calculations before and after a new garage, and a revision table, dated 2/9/2026.

    Feb. 9, 2026 · 1 page · 1.1 MB · PDS-Other Small Docs

    Download Plot plan and site work sheet

Plans

  • Sign-in sheet from an ADU neighborhood meeting, with handwritten attendee names, addresses and dates; most lines are blank or illegible.

    April 9, 2026 · 1 page · 34 KB · PDS-Other Small Docs

    Download Neighborhood meeting sign-in sheet
  • Architectural drawing sheet showing exterior elevations 3 through 6 with material callouts for roofing, siding, windows, doors, trim, fascia and gutters.

    Feb. 9, 2026 · 1 page · 3.2 MB · PDS-Other Small Docs

    Download Exterior elevations, sheet A-15

Project narrative

  • Planner's advisory concept review notes for a two-story accessory structure with an ADU and garage, covering required applications, setbacks, ADU size limits and pathway requirements.

    April 9, 2026 · 3 pages · 472 KB · PDS-Other Small Docs

    Download Concept review summary
  • Architectural plan set for an 850 SF accessory dwelling unit remodel, including sheet index, project notes, and floor, framing, MEP, and elevation sheets.

    April 9, 2026 · 4 pages · 534 KB · PDS-Other Small Docs

    Download Annie & Eric Slabach remodel plan set with sheet index
  • Planner's advisory summary of a pre-application concept review for a two-story accessory structure with garage and ADU, covering required approvals, setbacks, and ADU limits.

    March 24, 2026 · 3 pages · 472 KB · PDS-Concept Review Summary Report

    Download Concept review summary
  • Describes plans for an 850 sq ft studio accessory dwelling unit with one bathroom above a two-car garage at the rear of the property, with a facade matching the existing home.

    Feb. 9, 2026 · 1 page · 63 KB · PDS-Other Small Docs

    Download Project description for new ADU

Application

Correspondence

Other documents

  • April 9, 2026 · 14 KB · PDS-Other Small Docs

    Download Address list
  • Owner of record grants permission for a named remodeling company to submit the accompanying planning application for the property, with an indemnification agreement.

    Feb. 9, 2026 · 1 page · 44 KB · PDS-Other Small Docs

    Download Statement of legal interest from property owner

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