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Bonner County, ID Business Licensing & Operations: Auto Repair on Residential Property (2026)

Significant Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified October 2026

Key Facts

Allowed tier
Home Occupation III only, by conditional use permit
Outdoor activity cap
Two percent of total site acreage, or area set by Zoning Commission
Shop building limit
1,500 square feet accessory structure
Vehicles on site
No more than three being repaired or awaiting repair
Daily traffic limit
Eighteen vehicle trips per day on average
Reporting
Annual written compliance report to the planning department

Summary

In unincorporated Bonner County, Idaho, automobile, truck and heavy equipment repair is a prohibited activity for Home Occupation II businesses. Repair work at home is possible only as a Home Occupation III, which needs a conditional use permit, caps outdoor activity at two percent of the site, and limits the shop to three vehicles at a time.

These county ordinances apply to unincorporated areas of Bonner County. Incorporated cities within the county may have their own rules that take precedence over county-level regulations.

f. Certain activities are prohibited: (1) Automobile, truck and heavy equipment repair; ... 4. Automobile, truck, heavy equipment and small engine repair may be considered as a tier III home occupation, and are subject to the following minimum standards: a. Outdoor activity associated with the repair business shall be limited to a maximum of two percent (2%) of the total site acreage or to a specified area established by the Zoning Commission or hearing examiner. Landscaping and screening to provide buffering for outdoor storage of equipment or materials shall be provided in accord with section 12-465, table 4-5 of this chapter. b. An accessory structure for the repair business not to exceed one thousand five hundred (1,500) square feet may be permitted. c. No more than three (3) vehicles associated with the repair business which are being repaired or awaiting repairs shall be stored on the site at any given time. ... e. The business owner shall provide an annual written report to the planning department confirming continued compliance with these standards and any other conditions of permit approval.

Full Breakdown

Bonner County Revised Code § 12-489 sorts home businesses into three tiers. A Home Occupation I is permitted by right but may not alter the outside appearance of the property and may not host commercial on premises sales. A Home Occupation II needs a permit from the planning director, and subsection C.2.f lists automobile, truck and heavy equipment repair, along with auto body work or painting, as prohibited activities. That leaves Home Occupation III as the only home path for a repair shop.

A Home Occupation III is subject to a conditional use permit and the same performance standards as Home Occupation II, with changes. The operator lives in the dwelling and can have up to four additional employees. Vehicle traffic cannot exceed eighteen vehicle trips per day on average. Subsection D.4 then adds minimum standards specific to automobile, truck, heavy equipment and small engine repair. Outdoor activity tied to the repair business is limited to two percent of the total site acreage, or to a specified area set by the Zoning Commission or hearing examiner. Outdoor storage of equipment or materials must be buffered with landscaping and screening under section 12-465, table 4-5. An accessory structure for the repair business can be up to one thousand five hundred (1,500) square feet. No more than three vehicles being repaired or awaiting repair can sit on the site at any given time.

The business must also comply with all building, fire and environmental code regulations set by local, state or federal jurisdictions. Every year the owner files a written report with the planning department confirming continued compliance with these standards and with any other conditions of the permit approval. The rules apply only in unincorporated Bonner County. Sandpoint, Ponderay, Priest River and the other incorporated cities set their own home business rules.

Violations & Fines

Repairing vehicles at home without a Home Occupation III conditional use permit breaks section 12-489, because Home Occupation I and II both exclude this work. Holding more than three vehicles on site, exceeding the outdoor area limit, building a shop larger than 1,500 square feet, or skipping the annual compliance report to the planning department each fall outside the printed minimum standards. The Bonner County Planning Department enforces Title 12.

Frequently Asked Questions

Can I run a car repair business from my home in unincorporated Bonner County, Idaho?
Only as a Home Occupation III. Section 12-489 prohibits automobile, truck and heavy equipment repair in a Home Occupation II, and Home Occupation I allows no commercial on premises sales. The Home Occupation III path needs a conditional use permit and the repair standards in subsection D.4.
How many vehicles can I keep on the property for repair?
No more than three vehicles associated with the repair business that are being repaired or awaiting repairs can be stored on the site at any given time. The limit is part of the minimum standards in section 12-489 D.4 for automobile, truck, heavy equipment and small engine repair.
How big can the repair shop building be?
An accessory structure for the repair business cannot exceed one thousand five hundred (1,500) square feet. Outdoor repair activity is separately limited to two percent of the total site acreage, or to a specified area established by the Zoning Commission or hearing examiner.
Do I have to report to the county after the permit is approved?
Yes. The business owner provides an annual written report to the planning department confirming continued compliance with the section 12-489 standards and any other conditions of permit approval. The business must also comply with all building, fire and environmental code regulations.

Sources & Official References

Other rules in Bonner County

All Bonner County rules

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