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Detached 660-square-foot backyard home proposed on residential lot; application expired

The plan called for a one-bedroom, one-bath accessory dwelling unit beside an existing 1,332-square-foot house, with no new parking. The application is listed as expired, and no decision is on file.

ExpiredPLN25-00943Filed Oct. 25, 2025Collister · 4533 N Bluegrass Ave+1 related filing
Site plan for Detached 660-square-foot backyard home proposed on residential lot; application expired
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

Detached 660 s.f. ADU

Project name on file: 4533 N Bluegrass Ave - ADU

Timeline

  1. July 10, 2026

    Project Cancellation: Expired

    PLN expired, applicant did not respond to email after 6 months of inactivity.

  2. Nov. 13, 2025

    Concept Review Complete: CR Complete - Type 2

  3. Nov. 4, 2025

    Concept Review Complete: Notes

    Emailed to schedule CR

  4. Oct. 25, 2025

    Application Submittal: Online

  5. Oct. 25, 2025

    Application filed

Documents

Plans

  • Diagram of the structure to be placed on the property, showing approximate dimensions of 15 ft by 44 ft (about 660 sq. ft.) with front and rear endwalls labeled.

    Oct. 25, 2025 · 1 page · 1.0 MB · PDS-Other Small Docs

    Download Structure diagram with measurements
  • Manufacturer-provided frame notes covering foundation requirements, beam pocket details, porch drainage slope, and utility inlet and outlet locations.

    Oct. 25, 2025 · 1 page · 1.1 MB · PDS-Other Small Docs

    Download Manufacturer foundation notes for frame and utility locations

Project narrative

  • Advisory concept review summary for a proposed 660 square foot detached accessory dwelling unit, with ADU requirements and a Zoning Certificate noted.

    Nov. 13, 2025 · 2 pages · 455 KB · PDS-Concept Review Summary Report

    Download Concept review summary report

Application

  • Application form for an accessory dwelling unit in an R-1C zone, where the owner plans a separate dwelling for their own use while renting the main residence.

    Oct. 25, 2025 · 2 pages · 158 KB · PDS-Application

    Download Planning application form for accessory dwelling unit

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