Planning project · Planning application
Single-family home in Hillside overlay approved on 0.21-acre lot
The city approved plans for one new single-family home on a 0.21-acre lot on Oct. 5, 2026. Because of the surrounding slopes, the project is under Category II hillside review, which can require geotechnical and engineering reports.
From the filing
The application's description as it appears in City of Boise's record. See the official record
Single-family dwelling in the Hillside overlay.
Project name on file: 3596 E ASTEROID DR
Timeline
Jan. 23, 2026
Planning Applications: Project Entitled
Nov. 4, 2025
Pending Application Submittal: Planning Applications in Review
Nov. 3, 2025
Concept Review Complete: CR Complete - Type 2
Oct. 31, 2025
Concept Review Complete: Engineering Preview Complete
A determination has been made that this project will be a Category II Hillside project due to the nature of surrounding slopes. 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 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 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, or having a backslope greater than three feet horizontal to one foot vertical; and civil plans.Additionally; rock piles shall be removed prior to construction of the home. The Geotechnical Engineer shall comment in their report that all rock material shall been removed from the site and a site inspection report shall indicate that the rock removal is complete and the site is suitable for construction.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.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.
Oct. 29, 2025
Concept Review Complete: Engineering Preview
Oct. 27, 2025
Application Submittal: Online
Oct. 27, 2025
Application filed
Documents
Site plans
- Download Site plan for single-family home on Lot 20, Block 10
Site plan with lot area, footprint and coverage calculations, design criteria, and energy compliance notes for a proposed spec home in Boulder Heights Estates No. 11.
Oct. 27, 2025 · 1 page · 839 KB · PDS-Other Small Docs
Project narrative
- Download Concept review summary
Advisory concept review for a single-family home in the Hillside overlay, noting Category II hillside requirements, a geotechnical report, retaining wall calculations, driveway width limits and rock pile removal.
Nov. 3, 2025 · 2 pages · 456 KB · PDS-Concept Review Summary Report
Application
- Download Planning project application form
Application for a single-family home on an A-1 zoned lot, with a note that a Hillside Questionnaire must accompany the project.
Oct. 27, 2025 · 2 pages · 158 KB · PDS-Other Small Docs
- Download Hillside project questionnaire
Public Works questionnaire marking a new dwelling structure and new access driveway as part of the project, with no new parcel lines, additions, deep grading, or retaining walls indicated.
Oct. 27, 2025 · 1 page · 700 KB · PDS-Other Small Docs
Correspondence
- Download Hillside retaining wall permitting guidance
Public Works guidance on when retaining walls in the hillside zone need a determination, slope stability analysis, and planning-code height and setback limits.
Oct. 31, 2025 · 5 pages · 804 KB · PDS-Agency Comments
