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Variance · Planning application

Sawtooth Land Surveying seeks to reshape three rural lots; county approves variance

The Ada County Board of County Commissioners approved a variance and property line adjustment for three residential parcels, allowing resulting lots below the 5-acre minimum to fix earlier illegal land divisions. The project adds no new uses or structures, and the approval expires if a final letter is not issued by…

ApprovedDecided July 16, 2025202500674Ada County · 3351 W Twin View Ln

Variance · Planning application

County denies variance for garage apartment that encroaches on setback

The Ada County Board of County Commissioners denied a request to let a covered patio and roofline on a secondary dwelling extend into the required 5-foot side setback on a 0.83-acre lot. A neighboring wildlife reserve had opposed the request, saying part of the structure reached onto its land.

DeniedDecided May 7, 2025202500629Ada County · 6439 E Warm Springs Ave

Conditional use · Planning application

Outdoor RV storage facility denied on 11.63-acre rural site

KM Engineering sought a 56-space outdoor-only storage lot for RVs and other vehicles, keeping the existing home for an office. The Ada County Planning and Zoning Commission denied it on July 17 after staff cited landscaping, screening and parking shortfalls, and the City of Star and 110 letters opposed it.

DeniedDecided July 17, 2025202500615North of Star · 9800 W Beacon Light Rd

Accessory use · Planning application

Approved: 3,750-square-foot detached accessory structure for personal use

Ada County staff approved the detached accessory building on a 5.27-acre residential lot, which was filed March 31 and decided May 27. The structure may not be used as a commercial or industrial space or as a residence unless county approval is obtained.

ApprovedDecided May 27, 2025202500608Ada County · 5960 W Half Moon Ln

Variance · Planning application

Secondary home expansion to 1,472 square feet sought in Ada County

Records conflict on the outcome: the status lists approval, while draft findings deny the request. The Board decided on May 27, 2025. The request would exceed the 1,200-square-foot limit for secondary homes, and any approval carries conditions on drainage, slopes and site restoration.

ApprovedDecided May 27, 2025202500533Ada County · 345 E King Rd

Floodplain permit · Planning application

Floodplain permit approved for new home and pool on 5-acre lot

Ada County staff approved a floodplain permit on Apr. 29 to allow a new single-family home and an inground pool on the 5.01-acre residential lot, which sits in a designated flood zone.

ApprovedDecided April 29, 2025202500514Ada County · 7866 N Hawks Beard Ln

Accessory use · Planning application

Owners get approval to live in existing home while new house is built

Staff approved a temporary living arrangement that lets the owners stay in the existing 900-square-foot home during construction of a new primary residence. The current home would then be converted to an additional dwelling unit for an owner or immediate family member. The decision was made Apr. 14.

ApprovedDecided April 14, 2025202500501Southwest Community · 8176 W Falling Star Ln

Nonconforming use · Planning application

Approved: garage addition to a 1918 home on a commercially zoned lot

Ada County staff approved an expansion of a nonconforming home to add an attached two-car garage to the single-family dwelling, which was built in 1918 when the parcel was residential. The decision was made on Apr. 14.

ApprovedDecided April 14, 2025202500491Ada County · 64 N Black Cat Rd

Conditional use · Planning application

Cross Creek Farms wins approval for outdoor event venue on farmland

Ada County Planning and Zoning Commission approved the conditional use and master site plan on May 8, allowing weddings and gatherings for up to 300 people with no new buildings. Events are limited to 7 a.m. to 10 p.m., and food service must be approved by the Central District Health Department.

ApprovedDecided May 8, 2025202500470Ada County · W Columbia Rd

Rezone · Planning application

County approves 24-lot industrial subdivision on 29.89 acres

Ada County commissioners approved rezoning about 2.65 acres from residential to airport industrial use, along with a 24-lot subdivision for future contractor yards and shops. Conditions include an avigation easement and noise and lighting limits near the airport.

ApprovedDecided Nov. 12, 2025202500469Ada County · S Cole Rd

Variance · Planning application

Ada County approves variance to expand secondary dwelling past size limit

A finished basement of about 720 square feet will be added under the existing secondary dwelling, which will house the owner's daughter and her family. The approval bars separate sale or rental and lapses if no zoning certificate is issued by June 11, 2026.

ApprovedDecided June 11, 2025202500462Ada County · 4905 W View Pl

Conditional use · Planning application

County approves residential care facility for up to 16 adults

Ada County commissioners approved the request on appeal on Feb. 17, after the Planning and Zoning Commission had denied it. The facility would operate in an existing single-family home on a 0.54-acre lot, offering short-term behavioral health treatment with stays of about 28 days or less.

ApprovedDecided Feb. 17, 2026202500455Southwest Community · 11101 W Chapin Ave