Contacting Development Services
The Development Services Department is located at:
Rialto Civic Center
150 S. Palm Avenue
Rialto, CA 92376
Development Services
Phone: (909) 421-7246
Fax: (909) 873-4814
Building
Phone: (909) 820-2505
Engineering
Phone: (909) 820-2530
Planning
Phone: (909) 820-2535
Business Licensing.
Phone: (909) 820-2517
Last Updated: 10/27/2004