Section 20150.4 Of Article 3.6. Counties Of 500,000 Or Less Population From California Public Contract Code >> Division 2. >> Part 3. >> Chapter 1. >> Article 3.6.

. Public projects between four thousand dollars ($4,000) and ten thousand dollars ($10,000) shall be let to contract by informal or formal bidding procedures. Public projects of ten thousand dollars ($10,000) and more shall, in all instances, be let to contract by formal bidding procedure.