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Zoning certificate · Planning application

Two-story garage with one-bedroom apartment above approved

The city approved a detached two-car garage with a 564-square-foot apartment upstairs, with conditions. The existing house must be expanded first, and a paved path at least 4 feet wide must lead to the apartment entrance.

ApprovedCZC26-00153Filed July 10, 2026North End · 2504 W Anderson St+2 related filings
Site plan for Two-story garage with one-bedroom apartment above approved
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

The city approved a new detached garage with a one-bedroom apartment above it at 2504 W Anderson Street, in an R-1C residential zone. The garage is 1,128 square feet and the second-story apartment is 564 square feet with an 89 square foot cantilevered deck. The building would be 24 feet 5 inches tall.

ADU above garage

Project name on file: 2504 W ANDERSON ST

Timeline

  1. Aug. 29, 2026

    Appeal Period: Completed

  2. Aug. 18, 2026

    Review Complete: Completed

  3. Aug. 18, 2026

    Planning and Zoning: Complete

  4. Aug. 18, 2026

    Planning and Zoning: Notes

  5. Aug. 7, 2026

    Planning and Zoning: Corrections Required

  6. July 22, 2026

    Planning and Zoning: In Review

  7. July 22, 2026

    Assign Reviewers: Completed

  8. July 16, 2026

    Fee Payment: Payment Received

  9. July 16, 2026

    Prescreen Review: Passed

  10. July 16, 2026

    Prescreen Review: In Progress

  11. July 16, 2026

    Prescreen Review: Corrections Required

  12. July 15, 2026

    Prescreen Review: In Progress

  13. July 15, 2026

    Application Submittal: ePlanReview

    Updated per missing information

  14. July 10, 2026

    Application filed

Documents

Site plans

  • Revised site plan for a stand-alone one-bedroom accessory dwelling unit over two garages, with a house remodel and addition, zoning R-1C.

    Aug. 7, 2026 · 1 page · 645 KB · PDS-Maps and Drawings

    Download Revised site plan
  • Site plan showing a new stand-alone one-bedroom ADU over two single-car garages, a house remodel and addition, fencing, driveway, setbacks, and zoning area calculations.

    Aug. 4, 2026 · 1 page · 647 KB · PDS-Maps and Drawings

    Download Site plan for ADU and garages with house remodel

Plans

  • Sheet set showing ADU and garage floor plans and north, south, east and west elevations with finish callouts and material percentage breakdowns by elevation.

    Aug. 4, 2026 · 1 page · 3.0 MB · PDS-Maps and Drawings

    Download Floor plans and elevations for ADU and garage
  • Single-sheet landscape plan showing a planting key (Pacific Sunset maple, blue rug juniper, blonde ambition blue grama), dryland seed mix and decorative gravel areas around the house, garage and ADU.

    Aug. 4, 2026 · 1 page · 248 KB · PDS-Maps and Drawings

    Download Landscape plan with planting key and decorative gravel

Project narrative

  • Describes a two-story detached garage with a 564 sf one-bedroom ADU above, plus expansion of the primary residence into a four-bedroom house and driveway changes.

    Aug. 4, 2026 · 1 page · 136 KB · PDS-Letter of Intent

    Download Detailed letter of explanation for ADU and garage

Decisions

Notices

  • Notice that the city approved a two-story accessory dwelling unit in a residential zone, with instructions for appeal by August 28, 2026.

    Aug. 14, 2026 · 2 pages · 795 KB · PDS-Legal Notice

    Download Notice of approval

Application

Photos

  • A set of numbered site photographs, dated July 16, 2026, with a numbered key showing the photo locations.

    Aug. 4, 2026 · 1 page · 740 KB · PDS-Photos

    Download Site photos

Correspondence

  • ACHD found no required street improvements and lists traffic impact fee, driveway approach permit, right-of-way permit, and standard conditions of approval.

    Aug. 18, 2026 · 3 pages · 166 KB · PDS-Agency Comments

    Download Ada County Highway District comments
  • Public Works requires a stormwater management plan, approved before a building or grading permit is issued, following the city's 2019 Stormwater Design Manual.

    Aug. 18, 2026 · 1 page · 134 KB · PDS-Agency Comments

    Download Drainage comments from Public Works
  • Fire Department recommends approval subject to installing a heat detector in the garage interconnected with the ADU smoke alarms, plus hydrant, access, and street identification requirements.

    Aug. 18, 2026 · 1 page · 194 KB · PDS-Agency Comments

    Download Boise Fire Department comments
  • Public Works requires connection to the central sanitary sewer upon development, notes possible sewer capacity fees at building permit issuance, and conditions final sewer plan approval.

    Aug. 18, 2026 · 1 page · 65 KB · PDS-Agency Comments

    Download Public Works sewer comments
  • Public Works street light supervisor memo stating no comments on the application.

    Aug. 18, 2026 · 1 page · 125 KB · PDS-Agency Comments

    Download Public Works street lighting comments
  • Veolia requires a separate water service line and meter for the new ADU building and asks that a site plan be submitted for review before service is installed.

    Aug. 18, 2026 · 1 page · 410 KB · PDS-Agency Comments

    Download Veolia Water Idaho comments
  • Veolia Water Idaho reports water pressure and flow available at a nearby hydrant for fire sprinkler design, to be attached to approved plan sets.

    Aug. 4, 2026 · 1 page · 113 KB · PDS-Other Small Docs

    Download Veolia Water fire flow letter

Other documents

  • Noticing radius map

    Aug. 14, 2026 · 629 KB · PDS-Maps and Drawings

  • Transmittal sheet

    Aug. 10, 2026 · 138 KB · PDS-Transmittal Agencies

  • Statement of legal interest

    Aug. 4, 2026 · 175 KB · PDS-Statement of Legal Interest

  • Receipt

    July 16, 2026 · 131 KB · PDS-Receipts

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