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Zoning certificate · Planning application

Approved: Garage converted into 1-unit studio accessory dwelling unit

The city approved legal nonconforming status for an existing 800-square-foot detached garage that sits about 10 feet into the rear setback, and allowed converting a 384-square-foot room in it into a studio apartment with no exterior changes. Approval carries conditions, including a paved five-foot path to the unit's…

ApprovedCZC25-00238Filed Nov. 7, 2025Depot Bench · 2309 W Pendleton St+1 related filing
Site plan for Approved: Garage converted into 1-unit studio accessory dwelling unit
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 owner of 2307 W Pendleton Street in Boise is recognized as having legal nonconforming status for an existing 800-square-foot detached garage that sits about 10 feet into the rear setback. The city also approved converting part of that garage, a 384-square-foot room, into a studio accessory dwelling unit with no exterior changes.

Retroactive ADU - Internal Conversion

Project name on file: 2307 W PENDLETON ST - ADU

Timeline

  1. Dec. 23, 2025

    Appeal Period: Completed

  2. Dec. 12, 2025

    Review Complete: Completed

  3. Dec. 12, 2025

    Current Planning: Complete

  4. Dec. 5, 2025

    Current Planning: In Review

  5. Dec. 5, 2025

    Assign Reviewers: Completed

  6. Dec. 2, 2025

    Review Complete: Corrections Required

  7. Dec. 2, 2025

    Current Planning: Corrections Required

  8. Nov. 25, 2025

    Current Planning: In Review

  9. Nov. 25, 2025

    Assign Reviewers: Completed

  10. Nov. 13, 2025

    Fee Payment: NA

  11. Nov. 13, 2025

    Fee Payment: Payment Received

    PRA Error on fee payment. Moving WF forward as payment was received.

  12. Nov. 13, 2025

    Prescreen Review: Passed

  13. Nov. 11, 2025

    Prescreen Review: In Progress

  14. Nov. 7, 2025

    Application Submittal: ePlanReview

  15. Nov. 7, 2025

    Application filed

Documents

Site plans

Plans

  • Revised site and floor plan for a retrofitted accessory dwelling unit, showing a separate privacy gate, paver pathway and landing to the ADU front door.

    Dec. 12, 2025 · 1 page · 2.4 MB · PDS-Maps and Drawings

    Download Revised floor plan
  • Floor plan showing room layout with dimensions for bedrooms, kitchen, living room, dining area, laundry, garage and carport, plus a patio.

    Nov. 25, 2025 · 1 page · 446 KB · PDS-Maps and Drawings

    Download Floor plan

Project narrative

  • Applicant requests legal non-conforming status for a 1975 detached garage, converted to an ADU, with a 5-foot rear setback where 15 feet is now required.

    Dec. 12, 2025 · 1 page · 18 KB · PDS-Letter of Intent

    Download Letter of intent for legal non-conforming garage status
  • Owner's letter asking the city to fully permit a detached accessory dwelling unit built within a former garage that was previously treated as a conditioned shop.

    Nov. 25, 2025 · 1 page · 25 KB · PDS-Letter of Intent

    Download Letter of intent for retroactive accessory dwelling unit

Decisions

Application

  • Application for a retroactive internal-conversion accessory dwelling unit of 384 sq ft with one bedroom, filed with owner and applicant contact details and property zoning information.

    Nov. 25, 2025 · 3 pages · 209 KB · PDS-Application

    Download Zoning certificate application for accessory dwelling unit
  • Application for a zoning certificate for a retroactive internal accessory dwelling unit of 384 square feet with one bedroom, in an R-1C zone.

    Nov. 7, 2025 · 3 pages · 207 KB · PDS-Application

    Download Zoning certificate application for accessory dwelling unit

Photos

  • Photos of the existing north elevation, detached structure, ADU entrances, paver pathway plans, and interior ADU construction with garage wall.

    Nov. 25, 2025 · 2 pages · 3.0 MB · PDS-Photos

    Download Existing ADU and structure photos

Correspondence

  • ACHD found no street improvements required for the accessory dwelling unit application and lists traffic impact fee, driveway permit and right-of-way conditions.

    Dec. 12, 2025 · 3 pages · 181 KB · PDS-Agency Comments

    Download Ada County Highway District comments
  • The Boise Fire Department has no comments on the zoning certificate review and notes that building code requirements will apply at the building permit stage.

    Dec. 12, 2025 · 1 page · 152 KB · PDS-Agency Comments

    Download Boise Fire Department comments
  • Boise Parks and Recreation, with Community Forestry, reviewed the application and has no comments or recommendations.

    Dec. 12, 2025 · 1 page · 57 KB · PDS-Agency Comments

    Download Boise Parks and Recreation comments
  • Building Division notes that converting conditioned shop space to living space requires upgrades to current building code, such as insulation, attic ventilation and hard-wired smoke detection.

    Dec. 12, 2025 · 1 page · 66 KB · PDS-Agency Comments

    Download Building Division comments
  • Public Works says the property must connect to the central sanitary sewer, which is available in the adjacent street, and notes that sewer capacity fees may apply at building permit.

    Dec. 12, 2025 · 1 page · 41 KB · PDS-Agency Comments

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

    Nov. 25, 2025 · 1 page · 131 KB · PDS-Other Small Docs

    Download Veolia fire flow letter

Other documents

  • Boise building permit application for a new 20 by 40 foot detached garage, with fee, valuation, and inspection records attached.

    Dec. 12, 2025 · 4 pages · 201 KB · PDS-Other Small Docs

    Download Building permit application for detached garage
  • Receipt

    Dec. 4, 2025 · 135 KB · PDS-Receipts

  • Statement of legal interest

    Nov. 25, 2025 · 196 KB · PDS-Statement of Legal Interest

  • Submittal checklist

    Nov. 25, 2025 · 869 KB · PDS-Submittal Checklist

  • Receipt

    Nov. 13, 2025 · 135 KB · PDS-Receipts

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