Variance · Planning application
600-square-foot backyard building approved to extend 7 feet into rear setback
The Ada County Board of County Commissioners approved a variance on May 13 for the homeowners' accessory structure. It can reach 7 feet into the required 15-foot rear setback because the 0.43-acre lot has an unusual reverse pie shape.
From the filing
The application's description as it appears in Ada County's record. See the official record
Homeowners at 10730 W. Seneca Drive want to build an approximately 600 square foot accessory structure in their rear yard. A variance lets it extend 7 feet into the required 15-foot rear setback, because the lot has an unusual reverse pie shape. The lot is 0.43 acres in a single-family neighborhood.
An application for a Variance to allow for an accessory structure to encroach into the rear yard setback. The property consists of approximately 0.43 acres in the Low Density Residential (R2) District. The property is located at 10730 W. Seneca Drive in Section 27 of T. 3N, R. 1E.
Timeline
May 13, 2026
Ada County staff recommended approval
May 13, 2026
Approved
Ada County Board of County Commissioners: Approved.
May 13, 2026
Public hearing: Ada County Board of County Commissioners
May 6, 2026
Document added: Staff report (Board of County Commissioners, May 13, 2026)
May 6, 2026
Document added: Findings (Board of County Commissioners, May 13, 2026)
March 13, 2026
Application filed
Documents
Staff reports
- Download Staff report for May 13 Board of County Commissioners hearing
Staff analysis of a variance request to let a 600 square foot accessory structure encroach seven feet into the rear yard setback, applying three findings of fact.
May 6, 2026 · 54 pages · 8.4 MB · Staff Report
Decisions
- Download Findings of fact, conclusions of law and order
Board of County Commissioners decision on a variance for an approximately 600 square foot accessory structure, covering the record, procedural history, notice, and project description.
May 6, 2026 · 6 pages · 222 KB · Findings