Planning project · Planning application
Retaining wall in hillside development approved for single-lot residential site
City staff approved a retaining wall on a 0.32-acre residential lot in a hillside development area. The project was filed June 27, 2025, and approved administratively on Jan. 2, 2026.

About this application
Retaining Wall in Hillside Development
Project name on file: 4430 W QUAIL POINT CT
Timeline
Two days ago
6 documents added
Jan. 2, 2026
Planning Applications: Project Entitled
Jan. 2, 2026
Pending Application Submittal: Planning Applications in Review
July 1, 2025
Planning Applications: Additional CR Needed
July 1, 2025
Pending Application Submittal: Start Additional IDR
July 1, 2025
Pending Application Submittal: Planning Applications in Review
July 1, 2025
IDR Review Complete: IDR Complete
July 1, 2025
Concept Review Complete: CR Complete - Type 2
June 27, 2025
Concept Review Complete: Engineering Preview
June 27, 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 a global slope stability analysis; 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 (the proposed meets at least two); additional information of the existing drain pipe system (ie outfall location, functionality) that the new system will be connecting too; complete proposed contouring as the proposed slope percentages do not match the remaining existing contours.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.
June 27, 2025
Application Submittal: Online
June 27, 2025
Application filed
Documents
Plans
- Download PDS-Other Small Docs - LANDSCAPE AND GRADING PLANS
June 27, 2025 · 3 pages · 3.8 MB · PDS-Other Small Docs
Project narrative
- Download PDS-Other Small Docs - PROJECT NARRATIVE
June 27, 2025 · 1 page · 160 KB · PDS-Other Small Docs
Other documents
- PDS-Concept Review Summary Report -
July 1, 2025 · 444 KB · PDS-Concept Review Summary Report
- PDS-Concept Review Summary Report -
July 1, 2025 · 444 KB · PDS-Concept Review Summary Report
- PDS-Application
June 27, 2025 · 154 KB · PDS-Application
- PDS-Other Small Docs - COMPLETED QUESTIONNAIRE
June 27, 2025 · 68 KB · PDS-Other Small Docs