Home Business in Ada County, ID (2026)
5 county-level rules, plus city-specific rules for 1 city in Ada County, Idaho.
Verified from official government sources
Zoning & Home Occupation Permits
Ada County caps home occupations at 25% of a dwelling's total floor area or 1,000 square feet, whichever is less, and splits them into small home occupations needing only a zoning certificate and large home occupations needing administrative approval with an employee, hours and traffic limits. Contractor's yards, vehicle repair and adult businesses are barred outright.
Ada County Home Occupation Zoning Rules
Some RestrictionsAda County Code 8-4-33(B)(2), (B)(4), (B)(6)
B. Standards For All Home Occupations: ... 2. No more than twenty five percent (25%) of the total floor area (both habitable and non-habitable space) of the principal permitted dwelling or one thousand feet (1,000') (whichever is less) shall be devoted to the home occupation or for storing goods or vehicles associated with the home occupation. Home occupations may be located in either the princ...
Signage Rules
A home occupation sign in unincorporated Ada County follows Ada County Code 8-3-12(G): the lesser of 64 square feet or one square foot per 3 feet of lot frontage in rural, transitional, and most residential districts, dropping to 32 square feet in the R4, R6, and R8 districts. Roof signs and animated or flashing signs are all prohibited.
Home Business Sign Limits in Ada County
Some RestrictionsAda County Code 8-4-33(B)(8); 8-3-12(G)(1), (G)(3)-(4)
8-4-33: B. 8. All signs shall comply with Section 8-3-12. ... G. Signs For Non-Residential Uses In Residential, Transitional, And Rural Districts: 1. Standards: A permitted non-residential use in a residential, transitional, or rural district is allowed signs that conform with the standards in Table 8-3-12-8. ... 3. Freestanding Sign Standards: Freestanding signs shall not revolve or flash. 4. ...
Customer Traffic Restrictions
Ada County splits home occupations into two tiers, and customer traffic is where they diverge sharply. A small home occupation, approved by zoning certificate alone, cannot receive any client, customer, or student visits. Upgrading to a large home occupation approval allows visits, but only during set hours and under a daily vehicle-trip cap.
Home Occupation Customer Limits in Ada County
Significant RestrictionsAda County Code 8-4-33(C)(4), (D)(4), (D)(8)
C. Standards For Small Home Occupations: ... 4. No client, customer, and/or student visits shall be allowed. ... D. Standards For Large Home Occupations: ... 4. All visits by the nonresident employee, clients and customers, and deliveries, shall occur between the hours of seven o'clock (7:00) A.M. and six o'clock (6:00) P.M., Monday through Friday, and between the hours of ten o'clock (10:00) A...
Cottage Food Operations
Idaho requires no cottage-food license, permit, or registration. You may make non-potentially-hazardous foods in your home kitchen and sell them directly to consumers without a Health and Welfare or Central District Health inspection, provided products are properly labeled.
Cottage Food (Home Kitchen Sales)
Some RestrictionsIdaho cottage food guidance (Idaho DHW / Central District Health)
Cottage food operations do not require a license or permit from the Idaho Department of Health and Welfare and are not inspected.
Home Daycare
Idaho defines a family daycare home as caring for six or fewer children, a group daycare facility for 7-12, and a daycare center for 13 or more. Providers for four or more children face state background-check requirements; local city/county licensing may also apply, plus Ada County home-occupation zoning.
Home Daycare Rules
Some RestrictionsIdaho Code 39-1102
"Family daycare home" means a home, place or facility providing daycare for six (6) or fewer children. "Group daycare facility" means a home, place or facility providing daycare for seven (7) to twelve (12) children. "Daycare center" means a place or facility providing daycare for compensation for thirteen (13) or more children.
Home Business by City in Ada County
1 cities in Ada County have their own home business rules. Each link goes to that city's dedicated page with code citations.
All Ada County ordinances
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