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Planning project · Planning application

Approved: detached garage with 598-square-foot ADU on alley lot

The city approved a Zoning Certificate for a two-story detached garage with a one-bedroom accessory dwelling unit above, alongside the existing single-family home. The decision was made administratively on Jan. 9.

ApprovedPLN25-00885Filed Oct. 7, 2025West End · 2305 W Woodlawn Ave+1 related filing
Site plan for Approved: detached garage with 598-square-foot ADU on alley lot
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

Detached ADU and garage.

Project name on file: 2305 W WOODLAWN AVE

Timeline

  1. Jan. 9, 2026

    Planning Applications: Project Entitled

  2. Dec. 13, 2025

    Pending Application Submittal: Planning Applications in Review

  3. Oct. 28, 2025

    Concept Review Complete: CR Complete - Type 2

  4. Oct. 24, 2025

    Concept Review Complete: Notes

    emailed to schedule CR

  5. Oct. 7, 2025

    Application Submittal: Online

  6. Oct. 7, 2025

    Application filed

Documents

Site plans

  • Site plan with sheet notes on setbacks, removals, and new construction, including a proposed garage with an accessory dwelling unit above and site area analysis.

    Oct. 7, 2025 · 1 page · 1.5 MB · PDS-Other Small Docs

    Download Site plan showing existing, demolition and proposed work

Plans

  • Floor plan sheet with general notes for the garage and accessory dwelling unit, including exterior stair and guardrail details and construction code requirements.

    Oct. 7, 2025 · 1 page · 388 KB · PDS-Other Small Docs

    Download First floor garage and second floor ADU floor plans
  • Colored exterior elevation drawings for the proposed garage with accessory dwelling unit, showing south, north, west and east views with roofing, siding, trim and guardrail specifications.

    Oct. 7, 2025 · 1 page · 1.0 MB · PDS-Other Small Docs

    Download Colored elevations of proposed garage and ADU
  • Cover sheet for the new detached garage with ADU above, listing project scope, code data, design team, general notes and the drawing index.

    Oct. 7, 2025 · 1 page · 602 KB · PDS-Other Small Docs

    Download Cover and code sheet with project information
  • Architectural cut-through of the exterior wall for the new detached garage and accessory dwelling unit, showing roof, insulation, siding, framing and foundation layers.

    Oct. 7, 2025 · 1 page · 287 KB · PDS-Other Small Docs

    Download Detailed wall section for new garage and ADU
  • South and west exterior elevation drawings for a new detached garage with accessory dwelling unit, showing siding, roofing, guardrails and heights, dated October 2025.

    Oct. 7, 2025 · 1 page · 246 KB · PDS-Other Small Docs

    Download Exterior elevations of the proposed detached garage and ADU
  • Architectural elevation drawings showing the existing residence alongside the proposed detached garage and ADU for context, including north, south, east and west views.

    Oct. 7, 2025 · 1 page · 263 KB · PDS-Other Small Docs

    Download Exterior elevations of existing house and proposed garage/ADU
  • Drawing sheet A3.0 showing north, south, east and west elevations of the existing house and detached garage, prepared by BGA Planning + Design for a new garage/ADU project.

    Oct. 7, 2025 · 1 page · 226 KB · PDS-Other Small Docs

    Download Existing exterior elevations of on-site structures
  • Sheet notes on concrete aprons, walks, mechanical pads, bollards and slab slopes for the garage and entry, with general code notes; a single-page drawing sheet.

    Oct. 7, 2025 · 1 page · 388 KB · PDS-Other Small Docs

    Download Foundation plan sheet notes
  • Structural sheet notes covering I-joist and LVL framing, cantilevered deck joists, rim board, composite decking and fascia, flashing, and exterior stair and guardrail details.

    Oct. 7, 2025 · 1 page · 297 KB · PDS-Other Small Docs

    Download Framing plan with sheet notes for deck and exterior stairs
  • Sheet notes and floor plan legend showing appliance, fixture and utility placements for coordination, including electric range, water heater, and tub/shower glazing requirements.

    Oct. 7, 2025 · 1 page · 562 KB · PDS-Other Small Docs

    Download Schematic location of plumbing and electrical utilities
  • Architectural building section drawing (sheet A5.0/A5.2) for the new detached garage and accessory dwelling unit, showing roof, wall, floor and framing assemblies.

    Oct. 7, 2025 · 1 page · 335 KB · PDS-Other Small Docs

    Download Section cut through proposed garage and ADU
  • Building section drawing showing roof, wall, floor and cantilevered balcony assembly details, with insulation, sheathing and framing callouts for the proposed garage and accessory dwelling unit.

    Oct. 7, 2025 · 1 page · 328 KB · PDS-Other Small Docs

    Download Section cut through proposed garage and ADU

Project narrative

  • Planner's advisory notes on a proposed garage with ADU above, covering required zoning certificate, exterior stairs, 22-foot back-up space, and side setbacks.

    Oct. 28, 2025 · 1 page · 452 KB · PDS-Concept Review Summary Report

    Download Concept review summary for accessory dwelling unit and garage

Application

Studies and reports

Photos

  • Four photos showing the existing residence and detached garage from several angles, including adjacent properties and the garage's tilt.

    Oct. 7, 2025 · 4 pages · 13.8 MB · PDS-Other Small Docs

    Download Site context photos of existing residence and garage

Correspondence

  • Veolia Water Idaho reports available water pressure and flow at a nearby hydrant for fire sprinkler design, dated July 29, 2025.

    Oct. 7, 2025 · 1 page · 130 KB · PDS-Other Small Docs

    Download Veolia Water fire flow availability letter
  • Applicant's letter describing the proposed garage with ADU above, its footprint, height, roof slope, and exterior materials intended to match the existing residence.

    Oct. 7, 2025 · 2 pages · 459 KB · PDS-Other Small Docs

    Download Project scope letter for detached garage with ADU

Other documents

  • Checklist for Boise City ADU submittal

    A checklist of the items required when submitting an accessory dwelling unit (ADU) application to the City of Boise.

    Oct. 7, 2025 · 867 KB · PDS-Other Small Docs

  • Property owner's signed declaration of ownership, authorizing a named agent to submit the application and agreeing to indemnify the city.

    Oct. 7, 2025 · 1 page · 126 KB · PDS-Other Small Docs

    Download Statement of legal interest and owner authorization form

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