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Planning project · Planning application

Accessory dwelling unit approved for single-family lot in historic district

The city approved a zoning certificate for one accessory dwelling unit on a 0.21-acre lot with an existing house on April 21. A separate Certificate of Appropriateness is also required for work in the historic district.

ApprovedPLN25-00649Filed Aug. 1, 2025North End · 1615 N 27th+3 related filings
Site plan for Accessory dwelling unit approved for single-family lot in historic district
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: 1615 N 27th - ADU

Timeline

  1. April 21, 2026

    Planning Applications: Project Entitled

  2. March 6, 2026

    Pending Application Submittal: Planning Applications in Review

    Updated Via Script

  3. Dec. 23, 2025

    Planning Applications: Generate Additional Application

  4. Sept. 23, 2025

    Pending Application Submittal: Planning Applications in Review

    Updated Via Script

  5. Sept. 16, 2025

    Planning Applications: Generate Additional Application

  6. Sept. 16, 2025

    Pending Application Submittal: Planning Applications in Review

  7. Sept. 6, 2025

    Planning Applications: Project Entitled

  8. Aug. 5, 2025

    Concept Review Complete: Corrections Required

    Please upload a site plan labeled SITE PLAN

  9. Aug. 5, 2025

    Concept Review Complete: CR Complete - Type 2

  10. Aug. 1, 2025

    Application Submittal: Online

  11. Aug. 1, 2025

    Application filed

Documents

Site plans

  • Site plan sheet C-100 for a proposed accessory dwelling unit, showing setbacks, driveway, sewer, water, gas, and power service locations, with general construction notes.

    Aug. 5, 2025 · 1 page · 343 KB · PDS-Other Small Docs

    Download Site plan for ADU project

Plans

  • Preliminary landscaping plan sheet showing existing and proposed lawn, sprinkler system, trees, fencing, driveway, and ADU placement, with front, back, and side yard views.

    Aug. 5, 2025 · 1 page · 3.5 MB · PDS-Other Small Docs

    Download Landscaping plan with site layout and yard views

  • Drawing sheet showing exterior elevations, materials, colors, and finished square footage (706 SF first floor plus 289 SF garage) for the proposed accessory dwelling unit.

    Aug. 1, 2025 · 1 page · 290 KB · PDS-Other Small Docs

    Download Architectural elevations and floor plan details for accessory dwelling unit

Project narrative

  • Advisory concept review summary covering an accessory dwelling unit in the historic district, required application sequence, and ADU standards.

    Aug. 5, 2025 · 3 pages · 454 KB · PDS-Concept Review Summary Report

    Download Concept review summary report

Application

  • Application to build a single-car-garage accessory dwelling unit under 1,000 sq ft behind the main home, to house a family member, with reduced alley setbacks.

    Aug. 1, 2025 · 2 pages · 153 KB · PDS-Application

    Download Planning application for accessory dwelling unit

Photos

Correspondence

Other documents

  • PDS-Other Small Docs - 10

    Aug. 1, 2025 · 9.0 MB · PDS-Other Small Docs

  • PDS-Other Small Docs - 11

    Aug. 1, 2025 · 10.0 MB · PDS-Other Small Docs

  • PDS-Other Small Docs - 12

    Aug. 1, 2025 · 10.1 MB · PDS-Other Small Docs

  • PDS-Other Small Docs - 13

    Aug. 1, 2025 · 10.3 MB · PDS-Other Small Docs

  • PDS-Other Small Docs - 14

    Aug. 1, 2025 · 9.4 MB · PDS-Other Small Docs

  • PDS-Other Small Docs - 15

    Aug. 1, 2025 · 8.5 MB · PDS-Other Small Docs

  • PDS-Other Small Docs - 16

    Aug. 1, 2025 · 9.7 MB · PDS-Other Small Docs

  • PDS-Other Small Docs - 17

    Aug. 1, 2025 · 9.8 MB · PDS-Other Small Docs

  • PDS-Other Small Docs - 18

    Aug. 1, 2025 · 5.5 MB · PDS-Other Small Docs

  • PDS-Other Small Docs - 19

    Aug. 1, 2025 · 10.3 MB · PDS-Other Small Docs

  • PDS-Other Small Docs - 8

    Aug. 1, 2025 · 10.1 MB · PDS-Other Small Docs

  • PDS-Other Small Docs - 9

    Aug. 1, 2025 · 8.6 MB · PDS-Other Small Docs

  • Signed owner-of-record statement granting permission to submit the application and agreeing to indemnify the city against ownership disputes.

    Aug. 1, 2025 · 1 page · 921 KB · PDS-Other Small Docs

    Download Statement of legal interest
  • Zoning checklist

    Aug. 1, 2025 · 866 KB · PDS-Other Small Docs

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