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New swimming pool at existing home on foothills lot approved

The city approved a new pool at a home on a 1.19-acre lot in the Hillside and wildfire overlays on May 5. Because of slope and unstable soils, the project needed hillside review and will need a geotechnical report and inspections during construction.

ApprovedPLN26-00054Filed Jan. 16, 2026Central Foothills · 4752 N Arrow Crest Way+1 related filing
Site plan for New swimming pool at existing home on foothills lot approved
Site plan from the application documents.
Pin at the reported location; the shaded outline is the primary parcel (Ada County).

About this application

No description has been published for this record yet.

Project name on file: 4752 N ARROW CREST

Timeline

  1. Yesterday

    4 documents added

  2. May 5, 2026

    Planning Applications: Project Entitled

  3. Feb. 3, 2026

    Pending Application Submittal: Planning Applications in Review

  4. Feb. 3, 2026

    Concept Review Complete: CR Complete - Type 2

  5. Jan. 30, 2026

    Concept Review Complete: Engineering Preview Complete

    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, 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 that specifically addresses the observed and reported issues in the Eyrie Canyon area, the proximity of the pool to the existing slope, and with the possibility of a global slope stability analysis (please see the Agency Comment for Hillside Retaining Wall Permitting within this PLN); and structural calculations for any retaining wall that is greater than four feet of height, more than one retaining wall when the horizontal interior distance between the retaining walls is less than 10 feet and the total of all retaining walls exceeds four feet in height, a retaining wall having a surcharge, having 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).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 and accepted by PW Hillside before scheduling your inspection with the Building Department.NOTE: The hazards of developing and building on property, especially in the Boise foothills, is 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 or we can set up a meeting if you prefer.

  6. Jan. 29, 2026

    Concept Review Complete: Engineering Preview

  7. Jan. 16, 2026

    Application Submittal: Online

  8. Jan. 16, 2026

    Application filed

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