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Planning project · Planning application

Two small-lot homes approved to replace one house

The city approved a plan to demolish an existing house and build two single-family homes on small lots on about 0.14 acres. The decision was made administratively on March 27, 2026.

ApprovedPLN25-01104Filed Dec. 16, 2025Central Rim · 4517 W Gage St+1 related filing
Site plan for Two small-lot homes approved to replace one house
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

Demolition of existing home and development of two residential small lots

Project name on file: 4517 W GAGE ST

Timeline

  1. Oct. 13, 2026

    5 documents added

  2. March 27, 2026

    Planning Applications: Project Entitled

  3. Feb. 8, 2026

    Pending Application Submittal: Planning Applications in Review

  4. Jan. 20, 2026

    Concept Review Complete: CR Complete - Type 2

  5. Dec. 22, 2025

    Concept Review Complete: Corrections Required

    Please update the site plan per email sent 12-22-2025Please upload preliminary floor plans and elevations.

  6. Dec. 16, 2025

    Application Submittal: Online

  7. Dec. 16, 2025

    Application filed

Documents

Site plans

  • One-page site plan showing a detached sidewalk with landscape buffer beside the right-of-way centerline, and a note that the existing dwelling is to be removed.

    Jan. 18, 2026 · 1 page · 745 KB · PDS-Other Small Docs

    Download Site plan showing detached sidewalk
  • Site plan showing a 17-foot-wide, two-story house with a garage and 442 SF ADU above, plus a mirrored second house with 3-foot interior and 5-foot side setbacks.

    Dec. 16, 2025 · 1 page · 58 KB · PDS-Other Small Docs

    Download Site plan for one house with mirrored second unit

Project narrative

  • Advisory summary of a pre-application concept review for demolishing one single-family home and building two new ones, covering access, parking, sidewalks and small-lot requirements.

    Jan. 20, 2026 · 2 pages · 453 KB · PDS-Concept Review Summary Report

    Download Concept review summary

Application

  • Application for two single-family attached houses with an accessory dwelling unit above the garage on an R-1C zoned lot.

    Dec. 16, 2025 · 2 pages · 158 KB · PDS-Application

    Download Planning project application form

Other documents

  • House plans for Plan B with different porches

    House plans showing the same floor plan with different porch designs; the filing also asks whether engineering is required for porches again or for a garage set at 10 feet.

    Jan. 9, 2026 · 5.4 MB · PDS-Other Small Docs

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