Contact Us

Located at the heart of downtown, Ontario City Hall provides a wide range of services. City departments are ready to assist and are happy to help residents and businesses with their questions and needs.


City Hall is open to the public.

Face coverings & social distancing are required. Telephone contact is encouraged.

City Clerk/Records Management (909) 395-2009
Economic Development (909) 395-2005
Business License (909) 395-2022
Fire Plan Check (909) 395-2562
Engineering (909) 395-2025 
Planning (909) 395-2036
Building (909) 395-2023

Appointments are available for City Hall. 



City Hall
303 East "B" Street
Ontario, California  91764

City Hall Annex
415 East "B" Street
Ontario, California  91764


(909) 395-2000


Mon - Thurs 7:30am - 5:30pm
Fri 8:00am - 5:00pm


Do you have a general comment, question or concern for city staff? Please fill out this form and submit your comments. City staff are ready to assist you.

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