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Historic Preservation Commission approves detached backyard unit replacing garage

The approval covers demolishing a detached garage off the alley and building a roughly 450-square-foot accessory dwelling with a new parking pad. The commission decided the case on Oct. 13; a separate zoning review is also required.

ApprovedPLN25-01065Filed Dec. 3, 2025North End · 404 W Thatcher St+4 related filings
Site plan for Historic Preservation Commission approves detached backyard unit replacing garage
Site plan from the application documents.
Pin at the reported location; the shaded outline is the primary parcel (Ada County).

About this application

ADU

Project name on file: 404 W THATCHER ST

Timeline

  1. Two days ago

    6 documents added

  2. Two days ago

    Status changed from In review to Approved

    Reported as “Project Entitled”.

  3. Two days ago

    Approved

  4. Aug. 28, 2026

    Planning Applications: Project Entitled

  5. July 8, 2026

    Planning Applications: Generate Additional Application

  6. July 8, 2026

    Pending Application Submittal: Planning Applications in Review

  7. March 3, 2026

    Pending Application Submittal: Planning Applications in Review

  8. Feb. 27, 2026

    IDR Review Complete: IDR Waived

  9. Feb. 27, 2026

    Neighborhood Meeting Review: Completed

  10. Jan. 9, 2026

    Concept Review Complete: CR Complete - Type 3

  11. Dec. 3, 2025

    Application Submittal: Online

  12. Dec. 3, 2025

    Application filed

Documents

Site plans

  • Summary of the applicant's neighborhood meeting for a detached ADU, listing drawings shared, attendee count, and neighbor feedback on hardscaping, lighting, runoff, and tree retention.

    Feb. 27, 2026 · 16 pages · 5.8 MB · PDS-Other Small Docs

    Download Neighborhood meeting summary form
  • Schematic site plan showing a proposed 450 sq ft detached accessory dwelling unit, with setbacks, height and parking notes for the lot.

    Dec. 3, 2025 · 1 page · 110 KB · PDS-Other Small Docs

    Download Schematic site plan, option A
  • Schematic site plan for a 450 sq ft detached accessory dwelling unit, showing setbacks, a demolished garage replaced by off-street parking, and proposed patio and porch.

    Dec. 3, 2025 · 1 page · 111 KB · PDS-Other Small Docs

    Download Schematic site plan, option B

Project narrative

  • Planner's advisory summary for a proposed detached ADU and demolition of an existing garage in a historic district, covering required applications, historic guidelines and ADU standards.

    Jan. 9, 2026 · 3 pages · 467 KB · PDS-Concept Review Summary Report

    Download Concept review summary report
  • Applicant's narrative asking whether a detached ADU and surface parking space are allowed on a historic-overlay lot, and noting a rear Elm tree may need removal.

    Dec. 3, 2025 · 1 page · 13 KB · PDS-Other Small Docs

    Download Project description letter

Application

  • Application from All Things CODE for a detached accessory dwelling unit in an R-1C zone, with the owner listed as Jonea Schillaci.

    Dec. 3, 2025 · 2 pages · 158 KB · PDS-Application

    Download Planning project application for a detached ADU

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