Contractor Prequalification (Quality Bidders)
The San Carlos School District uses a web-based contractor prequalification system provided by Colbi Technologies called Quality Bidders.
Contractor prequalification is required for certain public works projects prior to bid submission, as determined by project scope, funding source, and applicable state requirements.
Quality Bidders Portal
Follow the Contractor Instructions to create an account and submit required documentation.
Prequalification Requirements
Prequalification may be required for public works projects that meet applicable criteria under California law, including:
- Projects funded in whole or in part by state facility bond funds
- Projects valued at $1,000,000 or more
- General contractors and designated subcontractors, including mechanical, electrical, and plumbing trades
Contractors are responsible for determining whether prequalification is required prior to submitting a bid.
Legal Authority
Prequalification requirements are governed by California Public Contract Code Sections 20111.5 and 20111.6.
These provisions authorize school districts to require prequalification of prime contractors and specified subcontractors prior to bid acceptance.
Applicable subcontractor classifications may include:
A, B, C-4, C-7, C-10, C-16, C-20, C-34, C-36, C-38, C-42, C-43, and C-46.
Application Requirements & Timing
- Completed applications must be submitted at least ten (10) business days prior to a scheduled bid opening to be considered for applicable projects.
- Incomplete or late applications may not be reviewed.
- Contractors should ensure all required documentation is submitted through the Quality Bidders system.
Prequalification Validity
Prequalification approval is valid for one (1) calendar year from the date of notice of qualification, unless otherwise specified in the prequalification documents.
Appeals Process - Click to Expand
Approved Contractors List
View the current list of prequalified contractors:
Important Notice
Prequalification under this program is separate from CUPCCAA registration requirements and does not establish eligibility for informal bidding under Public Contract Code Sections 22000–22045.
Contact Information
Mylinh Nightengale
Administrative Assistant to Senior Management – Measure H Bond Project Support
Email: [email protected]
Phone: (650) 590-5953
For questions specifically about the Quality Bidders tool, please contact: [email protected]