Transportation Department — Stormwater Compliance Program
Business license guidance
Riverside County states it has no general business-license programme. A separate stormwater registration applies to covered business activity in the unincorporated area; cities and other permits have their own requirements.
Source checked October 16, 2026
Reviewed business licensing instructions
Welcome to Business (Stormwater) Registration for the Stormwater Compliance Program. Although the County of Riverside does not have a business license program, if you are conducting business as defined in Ordinance No. 857 within the unincorporated areas of the County of Riverside you are required to register for a Business (Stormwater) Registration for stormwater compliance.
Saved evidence: 3e7da51f3f1d6894 · Agent source review