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Planning project · Planning application

172-square-foot addition and two rebuilt decks proposed for hillside home

The plan would enlarge an existing single-family house and rebuild two decks in the city's hillside area. City staff say it needs a more detailed hillside review because of slope and soil concerns. The application is under administrative review.

In reviewPLN26-00742Filed Aug. 6, 2026East End · 1415 E Fort St+1 related filing
Site plan for 172-square-foot addition and two rebuilt decks proposed for hillside home
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

Hillside

Project name on file: 1415 E FORT ST

Timeline

  1. Oct. 13, 2026

    6 documents added

  2. Oct. 8, 2026

    Pending Application Submittal: Planning Applications in Review

  3. Oct. 5, 2026

    Concept Review Complete: CR Complete - Type 2

  4. Aug. 11, 2026

    Concept Review Complete: Engineering Preview

  5. Aug. 11, 2026

    Concept Review Complete: Engineering Preview Complete

    Based on submitted documents and limited overview of the property, a determination has been made that this project will be a Category II Hillside project due to slope, erosion-prone soils, unstable soils, earth movement, and other geologic and hydrologic hazards. In addition to the already submitted documents (please submit them with subsequent applications), additional documents may be required during the CFH Review process.Additional documents that you can expect to provide will be a site-specific geotechnical report with the possibility of a global slope stability analysis (please see the Agency Comment for Hillside Retaining Wall Permitting within this PLN); structural calculations for any retaining wall system that is greater than four feet in height from top of foundation to top of wall, that has more than one wall when the interior horizontal distance between the walls is less than 10 feet and the total height of all walls exceeds four feet, that has a surcharge, that has a backslope greater than three feet horizontal to one foot vertical, or that has structural components (these requirements will be assessed again at the time of occupancy); and civil plans. Please refer to the Hillside Development Requirements for Technical Reports for grading & drainage plan and geotechnical report requirements.A subgrade inspection by a geotechnical firm will be required at the time of construction once the subgrade is exposed and prior to placement of foundation materials or forms/rebar. A report of the inspection will need to be submitted to and accepted by PW Hillside (HillsideDrainage@cityofboise.org) before scheduling your inspection with the Building Department and receiving final occupancy.NOTE: The hazards of developing and building on a property, especially in the Boise foothills, are well known. It is the responsibility of the applicant/owner’s design, geological, and engineering professionals, not the City, to identify, address, and mitigate any hazards to the site. Satisfying these Conditions of Approval is for limited [City purpose] only and should not be relied on for design, geological or engineering purposes. Developer will comply with all requirements of Boise City Hillside Development Code Sections or submit evidence satisfactory to the Boise City Engineer that the proposed development is exempt from the requirements therein stated due to location, topography and/or the absence of adverse conditions associated with slope stability, ground water, erosion and sedimentation.If you would like to discuss this determination, please contact us at HillsideDrainage@cityofboise.org. Please include your application number and address in the subject line.

  6. Aug. 6, 2026

    Concept Review Complete: Engineering Preview

  7. Aug. 6, 2026

    Application Submittal: Online

  8. Aug. 6, 2026

    Application filed

Documents

Site plans

  • Preliminary topographic survey of the existing site improvements, observed May 27, 2026, with boundary, utility and elevation notes; no title report yet.

    Aug. 6, 2026 · 1 page · 966 KB · PDS-Other Small Docs

    Download Existing topographic survey
  • Architect's site plan for a home remodel showing lot coverage, setbacks, square footage figures, and general construction notes.

    Aug. 6, 2026 · 1 page · 366 KB · PDS-Other Small Docs

    Download Site plan for residential remodel

Project narrative

  • Planner's concept review summary for a 172-square-foot addition and two rebuilt decks on an existing single-family home, flagged as a Category II Hillside project requiring a geotechnical report and related technical…

    Oct. 5, 2026 · 2 pages · 452 KB · PDS-Concept Review Summary Report

    Download Concept review summary for hillside addition
  • Applicant's letter requesting a building permit for a 172 square foot residential addition, interior remodel, and rebuilding of two decks, one covered.

    Aug. 6, 2026 · 1 page · 127 KB · PDS-Other Small Docs

    Download Project description letter

Application

  • Application for a 172 square foot addition to an existing single-family home and rebuilding two decks disturbed during construction, in the R-1C zone.

    Aug. 6, 2026 · 2 pages · 154 KB · PDS-Application

    Download Planning project application form
  • Public Works questionnaire asking whether the project involves new parcel lines, additions, new dwellings, driveways, deep grading, or retaining walls over 4 feet.

    Aug. 6, 2026 · 1 page · 127 KB · PDS-Other Small Docs

    Download Hillside project questionnaire

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