Home Business in Rancho Cucamonga, CA (2026)
4 verified home business rules for Rancho Cucamonga, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Zoning & Home Occupation Permits
Running a home business in Rancho Cucamonga requires a home occupation permit before starting, on top of any city, county or state license. The activity must stay clearly incidental to residential use, limited to 15 percent of the dwelling's square footage or a single room.
Rancho Cucamonga Home Occupation Permit Rules
Some RestrictionsRancho Cucamonga Development Code Sec. 17.92.030(A) (Development Standards)
A. Incidental use by nature. The use of the dwelling as a home occupation shall be clearly incidental and subordinate to its use for residential purposes by its inhabitants. Not more than 15 percent of the total square footage for the dwelling or one room of the dwelling, whichever is less, shall be used for the home occupation. For the purpose of this section, the inhabitants of the home who a...
Signage Rules
Rancho Cucamonga bans all signage for home-based businesses outright. Development Code § 17.92.030(I) prohibits any sign displayed in connection with a home occupation and bars advertising that uses the home address, so a permitted home business cannot post a yard sign, window sign, or vehicle-mounted sign identifying the operation.
Rancho Cucamonga Home Business Sign Ban
Heavy RestrictionsRancho Cucamonga, CA, Development Code § 17.92.030(I)
Signs. No signs shall be displayed in conjunction with the home occupation and there shall be no advertising using the home address.
Customer Traffic Restrictions
Home occupations in Rancho Cucamonga may host no more than 5 customers or clients per day and generate no more than 10 vehicle trips daily. Visitors must park in the driveway or directly in front of the house, and on-site sales are limited to 8 a.m. to 8 p.m.
Rancho Cucamonga Home Business Visitor Limits
Some RestrictionsRancho Cucamonga Development Code Sec. 17.92.030(E) (Visitors and Customers)
E. Visitors and customers. Not more than five customers or clients per day shall enter the dwelling for meetings, service, or products and not more than ten vehicle trips per day shall be created by customers or clients. Customers or clients must park either in the driveway of the dwelling or in front of the dwelling only.
Home Daycare
Rancho Cucamonga follows California law classifying small and large family daycare homes as residential uses. State statutes preempt most local restrictions, but fire clearance and basic registration still apply.
Daycare Home Rules in Rancho Cucamonga
Some RestrictionsCalifornia Health and Safety Code Section 1597.40 (Family Daycare Homes)
1597.40. (a) It is the intent of the Legislature that family daycare homes for children should be situated in normal residential surroundings so as to give children the home environment that is conducive to healthy and safe development. It is the public policy of this state to provide children in a family daycare home the same home environment as provided in a traditional home setting. (b) The ...
Looking for San Bernardino County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Rancho Cucamonga city rules.
Home Business in San Bernardino County →