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Home Business in Riverside, CA (2026)

4 verified home business rules for Riverside, California, sourced directly from the municipal code and official government pages.

Verified from official government sources

Zoning & Home Occupation Permits

Riverside allows home occupations in every residential zone but strictly caps their physical footprint. Municipal Code Section 19.485.040 limits a home business to one room or 25 percent of the dwelling's square footage and bars use of any accessory building or outdoor area except a still-functional attached garage.

Riverside Home Business Space Limits

Some Restrictions

Riverside Municipal Code § 19.485.040(A), (C)-(E)

A.The home occupation shall be clearly incidental and subordinate to the primary use of the dwelling unit.C.There shall be no external visible evidence of the home occupation.D.A maximum of one room within the dwelling unit or 25 percent of the total square footage of the dwelling unit may be used for the home occupation.E.The home occupation shall not involve the use of any accessory building ...

Signage Rules

Riverside prohibits any sign or commercial advertising for a home occupation. Municipal Code Section 19.485.040(J) bars signage outright, backed by a no-external-visible-evidence rule in subsection (C), and Section 19.485.050 forecloses any variance to add it.

Riverside Bans Home Business Signage

Heavy Restrictions

Riverside Municipal Code §§ 19.485.040(C), (J); 19.485.050

C.There shall be no external visible evidence of the home occupation. ... J.Signage or commercial advertising for the home occupation is prohibited. ... 19.485.050 - Modifications. No modifications to the above site location, operation and development standards shall be allowed in conjunction with a home occupation.

Customer Traffic Restrictions

Riverside limits home-based businesses to one customer or client vehicle on-site at any given time under RMC §19.485.040(G). The home occupation must operate inside the residence without external signage, outdoor storage, or retail sales, and cannot generate traffic, noise, or nuisance that disrupts neighboring properties.

Riverside Home Business Customer Limit

Some Restrictions

City of Riverside, CA, Municipal Code § 19.485.040(G)-(H)

G.A maximum of one customer or client vehicle at any given time shall be allowed to visit the premises of the home occupation.H.No home occupation use shall create or result in glare, smoke, dust, vibration, fumes, odor, electrical, radio or television interference, fire hazard, significant vehicular or pedestrian traffic, or any other hazard or nuisance disruptive to reasonable use of the surr...

Home Daycare

California Health & Safety Code §1597.45 (as amended by SB 234, 2019) preempts Riverside zoning. Small and large family daycare homes are a residential use 'by right' in any residential zone: no Home Occupation Permit, no conditional use permit, and no local business license, fee, or tax may be required.

Family Daycare Homes: State-Preempted Use by Right (Cal. H&S Code §1597.45 / SB 234)

Few Restrictions

California Health and Safety Code Section 1597.40 (SB 234)

(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 Legislatu...

Looking for Riverside County county-wide rules?

County ordinances apply to unincorporated areas and may supplement Riverside city rules.

Home Business in Riverside County