Rancho Cucamonga City Hall is located at 10500 Civic Center Dr, Rancho Cucamonga, CA 91730.

The main phone number for the City Hall is (909) 477-2700, and the website is cityofrc.us. The City Hall building is part of the Civic Center complex, which forms a group of public buildings focused on city administrative functions.

Nearby are the Archibald Branch Library, the city fire department administrative building, and court-related facilities. The operating hours are generally Monday to Friday from 8 AM to 5 PM, and it is closed on holidays. It is advisable to call the necessary department or check the website before visiting.

The administrative structure of Rancho Cucamonga operates on a 'Council-Manager' system. The City Council consists of 5 elected council members and a separately elected mayor, with the council members determining policy direction and the City Manager overseeing practical administration.

The mayor is selected either by election among the council members or through a separate election, with the term and selection method following the City Charter. The city budget and major ordinances are decided in public meetings of the City Council, which are regularly held in the City Hall meeting room. Rancho Cucamonga operates its own fire department, the Rancho Cucamonga Fire Protection District. The fire department headquarters is near the Civic Center, and several fire stations operate throughout the city.

Inside the City Hall, key departments such as Building & Safety, Planning Department, Public Works, Finance, and Human Resources are located. Common services that residents frequently visit for include business license applications, building permit applications, plan review requests, and public record access.

Residents can also handle many services through an online portal in addition to visiting City Hall. Rancho Cucamonga emphasizes transparent administration and resident participation, with City Council meetings sometimes broadcast live on the city's official website and cable channel.

The Civic Center complex has ample parking available for visitors' convenience. While there is no specific Korean language service, interpretation support can be requested, so it is advisable to inquire in advance.