Vendor Information


Any vendor who wishes to do business with the District should send a letter or email to the Purchasing Department stating the type of products or services offered to:

Purchasing Dept./Central School District
7555 Hellman Ave, Rancho Cucamonga, CA 91730
Melissa Zavala
When the District is in need of the type of product or service, the vendor will be contacted. Vendor lists are maintained only for those products and services the District regularly requires. Any vendor who fails to respond to numerous bid invitations or price requests may be removed from the vendor list.

For more information please review our Purchasing Department FAQ's


Central School District has elected to become subject to the California Uniform Public Construction Cost Accounting procedures. The District is inviting all licensed contractors to submit information for inclusion the DISTRICT’S list of qualified bidders for the 2022 calendar year.

Licensed Contractors are to complete the application by clicking the link below.

CUPCCAA Contractor Application 

Verified Contractors for 2024:

2024 Qualified CUPCCAA Bidders List

  • As of March 1, 2015 all contractors and subcontractors bidding on a public works project must be registered with the Department of Industrial Relations pursuant to Labor Code Section 1725.5, Works.html. The District will not consider any Contractors who are not licensed to do business in the State of California, in accordance with the California Public Contract Code, providing for the licensing of Contractors

  • The District may create a new contractors list effective January 1st of each year and may include any contractor’s name it desires on the contractors list but must include, at a minimum, all contractors who have properly provided the District with the required information, either during the calendar year in which the list is valid or during November or December of the prior year.

  • The District has the right to verify all information to it by all contractors or sub-contractors bidding. The District reserves the right to sole and exclusive judgment in the determination of the qualifications of the contractors.



For a Public project that involves a projected expenditure of one million dollars ($1,000,000) or more, the District reserves the right to request, receive, and evaluate supplemental information at its sole discretion.  

For information regarding the prequalification process, please contact Ms. Robin Weise at (909) 476-0590, Ledesma & Meyer Construction Co. Inc. (CSD Construction Manager)

Central School District's List of Prequalified Contractors (as of 6/14/2023)

Bear Gulch and Dona Merced Modernization Prequalified Contractors