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Planning project · Planning application

Two detached backyard apartments proposed alongside existing house

The plan adds two 494-square-foot accessory dwelling units on a 0.14-acre lot, with the existing house staying. Parking would be off the alley. The request is under administrative review by city planners.

In reviewPLN26-00817Filed Aug. 31, 2026West Downtown · 1807 W Jefferson St+1 related filing
Site plan for Two detached backyard apartments proposed alongside existing house
Site plan from the application documents.
Pin at the reported location; the shaded outline is the primary parcel (Ada County).

About this application

Two detached ADUs

Project name on file: 1807 W JEFFERSON ST - TWO DETACHED ADUS

Timeline

  1. Two days ago

    5 documents added

  2. Sept. 17, 2026

    Pending Application Submittal: Planning Applications in Review

  3. Sept. 17, 2026

    Concept Review Complete: CR Complete - Type 2

  4. Aug. 31, 2026

    Application Submittal: Online

  5. Aug. 31, 2026

    Application filed

Documents

Site plans

  • Site plan showing setbacks, property lines, the new 494 SF one-bedroom-less ADU footprint (0 bed / 1 bath), hardscape, trees, and general construction notes.

    Aug. 31, 2026 · 1 page · 86 KB · PDS-Other Small Docs

    Download Basic site plan for accessory dwelling unit

Plans

  • Floor plan and exterior elevations for a 494 sq ft studio ADU with slab-on-grade foundation, all-electric appliances, and visitability features.

    Aug. 31, 2026 · 1 page · 307 KB · PDS-Other Small Docs

    Download Basic floor plan and exterior elevations

Project narrative

  • Advisory concept review for two detached accessory dwelling units, covering setbacks, unit size, parking access, surfacing and use-specific ADU standards.

    Sept. 17, 2026 · 2 pages · 460 KB · PDS-Concept Review Summary Report

    Download Concept review summary report
  • Letter from the applicant's architect describing a proposal for two 494 square foot studio accessory dwelling units with one bathroom each, stating the design meets R-3 zoning and ADU requirements.

    Aug. 31, 2026 · 1 page · 40 KB · PDS-Other Small Docs

    Download Project description letter of explanation

Application

  • Application for two accessory dwelling units in an R-3 zone, with the existing primary residence to remain.

    Aug. 31, 2026 · 2 pages · 154 KB · PDS-Application

    Download Planning project application form

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