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Zoning certificate · Planning application

785-square-foot backyard rental cottage approved in historic district

The single-story, two-bedroom detached accessory dwelling unit, about 13 feet tall, was approved with conditions. It must sit behind the main house, have a paved walkway at least 4 feet wide, and follow the Historic Preservation Commission's conditions.

ApprovedCZC26-00068Filed April 29, 2026East End · 712 E Mckinley St+3 related filings
Site plan for 785-square-foot backyard rental cottage 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

A single-story detached accessory dwelling unit of 785 square feet with two bedrooms will be built behind the existing home at 712 E McKinley Street in Boise. The building will be about 12 feet 10 inches tall, and its design was approved by the Historic Preservation Commission because the property is in a historic district.

New detached ADU in a historic district.

Project name on file: 712 E MCKINLEY ST - ADU

Timeline

  1. Aug. 25, 2026

    Appeal Period: Completed

  2. Aug. 14, 2026

    Review Complete: Completed

  3. Aug. 14, 2026

    Front Desk Planning: No Review Required

  4. Aug. 14, 2026

    Current Planning: Complete

  5. Aug. 14, 2026

    Assign Reviewers: Completed

  6. July 21, 2026

    Review Complete: Corrections Required

  7. June 10, 2026

    Assign Reviewers: Completed

  8. June 4, 2026

    Review Complete: Corrections Required

  9. May 12, 2026

    Assign Reviewers: Completed

  10. May 1, 2026

    Fee Payment: Payment Received

  11. April 30, 2026

    Prescreen Review: Passed

  12. April 30, 2026

    Prescreen Review: Corrections Required

  13. April 30, 2026

    Prescreen Review: In Progress

  14. April 29, 2026

    Application Submittal: ePlanReview

    Catching up Application for missing fields

  15. April 29, 2026

    Application filed

Documents

Site plans

  • Site plan sheet with a drawing index listing cover, site, context, floor, roof, elevation and section sheets, plus abbreviations and site notes for a zoning certificate.

    Aug. 7, 2026 · 1 page · 1.3 MB · PDS-Maps and Drawings

    Download Site plan, version 2
  • Cover sheet with drawing index, abbreviation and symbol legend, and notes for an architectural set, with site plan and utility plan sheets listed.

    May 29, 2026 · 1 page · 1.4 MB · PDS-Maps and Drawings

    Download Architectural site plan sheet index and abbreviations

Plans

  • Architect's site drawing showing concrete patios, walks, planting beds and a concrete fence footing for a zoning certificate, with approximate square footages and existing conditions noted.

    July 21, 2026 · 1 page · 686 KB · PDS-Maps and Drawings

    Download Concrete plan
  • Elevation drawings showing building heights and a numbered finish legend for siding, trim, roofing, coping and fencing materials and colors, including the sauna and accessory structure.

    May 29, 2026 · 1 page · 558 KB · PDS-Maps and Drawings

    Download Exterior elevations with finish legend
  • Architect's elevation and section drawing showing wall insulation layers, floor slab and foundation details, and ceiling and truss heights for a dwelling unit.

    May 29, 2026 · 1 page · 751 KB · PDS-Maps and Drawings

    Download Building section elevations and wall details
  • Building elevations for the accessory dwelling unit, with a finish legend listing siding, trim, roofing, gutter and fence stain colors and materials.

    May 29, 2026 · 1 page · 526 KB · PDS-Maps and Drawings

    Download Exterior elevations with finish legend
  • Architectural floor plan sheet showing room layouts, dimensions, garden and patio areas, and setbacks for the dwelling and accessory structure.

    May 29, 2026 · 1 page · 535 KB · PDS-Maps and Drawings

    Download Floor plan
  • Site drawing showing utility routing for an accessory dwelling unit, including separate sewer and water lines, a new electrical line, existing power lines to bury, and meter and panel locations.

    May 29, 2026 · 1 page · 1.5 MB · PDS-Maps and Drawings

    Download Utility plan

Project narrative

  • Architect's letter describing the design intent, materials and 786 square foot scope for a rear accessory dwelling unit in a historic district.

    May 29, 2026 · 1 page · 507 KB · PDS-Letter of Intent

    Download Letter of intent for accessory dwelling unit design

Decisions

  • Action letter approving a detached single-story accessory dwelling unit under Boise City Code 11-03-03.2.B, with findings on size, height, and unit count.

    Aug. 14, 2026 · 8 pages · 202 KB · PDS-Action Letter

    Download Zoning certificate approval letter for detached ADU

Notices

  • Notice that a zoning certificate was approved for a detached accessory dwelling unit, with an appeal deadline of August 24, 2026.

    Aug. 12, 2026 · 2 pages · 868 KB · PDS-Legal Notice

    Download Notice of approval for zoning certificate

Application

  • Application for a zoning certificate for a new detached accessory dwelling unit in a historic district, with a submittal checklist for site plan and elevations.

    April 29, 2026 · 3 pages · 206 KB · PDS-Application

    Download Zoning certificate application for accessory dwelling unit

Photos

  • Photographs of the existing house front and rear, the back yard, and the adjoining alley, labeled for an accessory dwelling unit zoning certificate.

    May 29, 2026 · 4 pages · 652 KB · PDS-Photos

    Download Site photos of existing house and back yard

Correspondence

  • The Boise Fire Department has no comments on the zoning certificate review, noting building code provisions will be addressed at the building permit stage.

    June 4, 2026 · 1 page · 151 KB · PDS-Agency Comments

    Download Boise Fire Department comments
  • Boise Parks and Recreation reports no comments on the application since no existing trees are affected, requires protecting a public street tree, and encourages planting one new tree in the rear yard.

    June 4, 2026 · 1 page · 58 KB · PDS-Agency Comments

    Download Parks and Recreation comments
  • Public Works says the ADU must connect to the central sanitary sewer, and sewer capacity fees are due at building permit issuance.

    June 4, 2026 · 1 page · 65 KB · PDS-Agency Comments

    Download Public Works sewer comments
  • Veolia Water Idaho says the ADU needs a separate water service and meter, and requires a site plan submitted for review before approval.

    June 4, 2026 · 1 page · 181 KB · PDS-Agency Comments

    Download Veolia Water Idaho comments
  • Veolia Water Idaho reports maximum-day water pressure and a 2000 GPM flow at a nearby hydrant, for fire sprinkler design criteria.

    May 29, 2026 · 1 page · 132 KB · PDS-Other Small Docs

    Download Veolia water pressure and flow letter for fire flow

Other documents

  • Noticing radius map

    Aug. 12, 2026 · 534 KB · PDS-Maps and Drawings

  • Statement of legal interest

    May 29, 2026 · 40 KB · PDS-Statement of Legal Interest

  • Transmittal documents to reviewing agencies

    May 29, 2026 · 131 KB · PDS-Transmittal Agencies

  • Record receipt

    Receipt issued for the filed application record, with no extractable text available for further detail.

    May 20, 2026 · 135 KB · PDS-Receipts

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