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273-square-foot backyard home approved in historic district

The Historic Preservation Commission approved a plan for one accessory dwelling unit on a 0.14-acre residential lot. Parking would be provided onsite in a new garage. The decision was made June 16, 2026.

ApprovedPLN25-00324Filed April 14, 2025North End · 1706 N 16th St+3 related filings
Site plan for 273-square-foot backyard home approved in historic district
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 in historic

Project name on file: 1706 N 16TH ST - ADU

Timeline

  1. Oct. 13, 2026

    14 documents added

  2. June 15, 2026

    IDR Review Complete: IDR Waived

  3. Sept. 29, 2025

    Planning Applications: Project Entitled

  4. Sept. 18, 2025

    Pending Application Submittal: Planning Applications in Review

  5. Sept. 10, 2025

    Pending Application Submittal: Planning Applications in Review

  6. Aug. 28, 2025

    Pending Application Submittal: Planning Applications in Review

  7. Aug. 5, 2025

    IDR Review Complete: IDR Waived

  8. June 19, 2025

    Neighborhood Meeting Review: Completed

  9. April 22, 2025

    Planning Applications: Generate Additional Application

  10. April 22, 2025

    Concept Review Complete: Notes

    Move WF to Concept Review. EA no longer applies.

  11. April 22, 2025

    Concept Review Complete: CR Complete - Type 3

  12. April 14, 2025

    Application Submittal: Online

  13. April 14, 2025

    Application filed

Documents

Site plans

  • Architect's drawing set for a residential accessory dwelling unit: existing and proposed site plans, ADU floor and loft plans, and elevations, shared at the meeting.

    June 20, 2025 · 6 pages · 206 KB · PDS-Other Small Docs

    Download Existing and proposed site plans, ADU plans and elevations
  • Architect's drawing set for a residential accessory dwelling unit: existing and proposed site plans, ADU floor and loft plans, and elevations, shared at the meeting.

    June 19, 2025 · 6 pages · 206 KB · PDS-Other Small Docs

    Download Existing and proposed site plans, ADU plans and elevations
  • Site plan showing existing house, garage, and pergola, with a legend marking construction and paving to remain, to be removed, or new, at a 1" = 20'-0" scale.

    April 14, 2025 · 1 page · 88 KB · PDS-Other Small Docs

    Download Existing site plan
  • Architect's site plan showing existing and new construction, paving, and an accessory dwelling unit (ADU) beside the existing house and garage, drawn at 1" = 20'-0".

    April 14, 2025 · 1 page · 84 KB · PDS-Other Small Docs

    Download Proposed site plan

Plans

  • Notice correcting the date of a meeting, with a short note that no changes were requested and a list of comments is attached.

    June 20, 2025 · 2 pages · 629 KB · PDS-Other Small Docs

    Download Corrected meeting date notice
  • Blank sign-in sheet for an ADU neighborhood meeting held June 18, 2025, with columns for attendee name and address.

    June 19, 2025 · 1 page · 1.5 MB · PDS-Other Small Docs

    Download Neighborhood meeting sign-in sheet (blank)
  • Floor plan of the main level, showing room dimensions, a 273 sq ft area, a 624 sq ft area and a 100 sq ft storage loft above the bathroom, labeled as a residence with an accessory dwelling unit.

    April 14, 2025 · 1 page · 80 KB · PDS-Other Small Docs

    Download Proposed main floor plan

Project narrative

  • Advisory summary of a concept review for one accessory dwelling unit in the historic district, listing required zoning and certificate applications and ADU standards.

    April 22, 2025 · 3 pages · 454 KB · PDS-Concept Review Summary Report

    Download Concept review summary for accessory dwelling unit
  • Architect's early-assistance letter describing replacing a single-car garage with a garage and attached 624 sf studio ADU, using reduced setbacks, with 32.0% lot coverage.

    April 14, 2025 · 1 page · 240 KB · PDS-Other Small Docs

    Download Project explanation letter for garage and ADU

Notices

Application

  • Application to remove an existing single-car garage and replace it with a new single-car garage with an attached accessory dwelling unit in R-1C zoning.

    April 14, 2025 · 2 pages · 153 KB · PDS-Application

    Download Planning project application form

Correspondence

  • Summary of informal neighbor feedback from June 2025, mostly supportive, including a question about whether the proposed ADU is one or two stories.

    June 19, 2025 · 1 page · 447 KB · PDS-Other Small Docs

    Download Written and verbal neighbor comments
  • Scrambled, partly reversed text from a one-page letter that appears to be an invitation, likely to a meeting or hearing; details are not legible enough to confirm.

    June 19, 2025 · 1 page · 993 KB · PDS-Other Small Docs

    Download Invitation letter
  • A form summarizing a meeting, dated June 19, 2025, that refers to a list of comments received in person and by email; the text is largely garbled.

    June 19, 2025 · 2 pages · 346 KB · PDS-Other Small Docs

    Download Meeting summary form

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