Public Contract Code §§10100–10870 — The State Contract Act

What is "public works" under the PCC?

The threshold definition for State Contract Act purposes appears at PCC §1101: any construction, erection, alteration, repair, improvement, demolition, or installation of public structures or improvements paid in whole or part with public funds. The PCC definition does not perfectly track the Labor Code §1720 definition, which is somewhat broader for prevailing-wage purposes. As a practical matter, a project can be "public works" for one but not the other. Counsel running a public-works project should always check both statutes and not assume coverage status from one carries to the other.

What §§10100–10285.5 specifically cover (the State Contract Act core)

The State Contract Act itself runs §§10100–10285.5 and is organized into ten articles plus a Taxpayer Protection chapter:

• Article 1 (§§10100–10111.2) — Scope and general provisions (the Act's name, exclusions, jurisdictional boundaries)
• Article 1.5 (§§10115–10115.15) — Minority and women business participation goals
• Article 2 (§§10120–10129) — Plans and specifications
• Article 3 (§§10140–10141) — Advertisements for bids
• Article 4 (§§10160–10169) — Bids and bidders
• Article 5 (§§10180–10186) — Award of contracts
• Article 6 (§§10187–10196) — State agency design-build projects
• Article 7 (§§10220–10232) — Contract requirements (including the bond requirements of §10221)
• Article 7.1 (§§10240–10240.13) — Resolution of contract claims
• Article 7.2 (§§10245–10245.4) — Public Works Contract Arbitration Committee
• Article 8 (§§10250–10265) — Modifications, performance, payment (including the prompt-payment provisions of §10261.5)
• Article 9 (§§10280–10284) — Offenses (collusion, bribery, etc.)
• Article 10 (§§10285–10285.5) — Ineligibility to contract

The remainder of §§10286–10870 covers the California Taxpayer and Shareholder Protection Act of 2003 (§§10286–10286.1) and Chapter 2's state acquisition of goods and services framework.

PCC §10100 — Citation

Short, but worth noting: the "State Contract Act" label is the proper way to cite §§10100–10285.5 collectively.

PCC §10160 — Competitive Bidding Requirement

The State Contract Act's signature requirement is competitive bidding under its bidding provisions (including PCC §§10101, 10120, 10160–10169). Subject to enumerated exceptions, state-agency contracts for public works above a statutory threshold must be advertised, bid competitively, and awarded to the lowest responsible bidder. The current monetary threshold (PCC §10105) is adjusted periodically by the Department of Finance; as of recent updates the threshold sits in the $400,000+ range and counsel should verify the current number with the awarding body.

PCC §10221 — Bond Requirements

State Contract Act contracts above the threshold require both a payment bond and a performance bond. The payment bond protects subcontractors, laborers, and suppliers; the performance bond protects the awarding body if the contractor defaults. Bond claims on the payment bond are governed by Civil Code §9550 et seq. and have their own procedural deadlines and notice requirements. The intersection of PCC §10221 (the bond requirement) and Civ. Code §9550 (the bond-claim framework) is one of the most important to understand on any state public works project.

PCC §10240 et seq. — Resolution of Contract Claims

The State Contract Act includes a mandatory pre-litigation claim procedure for disputes between the contractor and the state agency. The contractor must submit a written claim, the agency must respond within statutory deadlines, and the parties must engage in informal procedures and, where claims exceed certain dollar thresholds, mandatory arbitration under §10240.1 administered by the Public Works Contract Arbitration Committee (§10245). Failure to follow the §10240 procedure can bar later civil suit.

PCC §10261.5 — Prompt Payment by State Agencies

State agencies have statutory prompt-payment obligations to contractors under §10261.5. Generally, the awarding body must pay within statutory windows after receipt of an undisputed invoice; late payment triggers statutory interest. Downstream prompt payment from prime contractors to subcontractors is governed separately by Business and Professions Code §7108.5 — important because the State Contract Act's prompt-payment rules apply to state-to-prime, not prime-to-sub. Subcontractors looking for prompt-payment leverage on a state public works project rely on BPC §7108.5 and on stop payment notice rights under Civ. Code §9350.

PCC §§10280–10284 — Offenses

The State Contract Act criminalizes bid collusion, kickbacks, and certain corrupt practices in connection with state contracts. Conviction can carry criminal penalties and result in ineligibility to bid on future state contracts (§10285). These provisions are infrequently litigated in private construction disputes but matter when allegations of fraud or improper conduct surface in a state-agency case.

No mechanic's liens — only stop payment notices and bond claims

Mechanic's liens are unavailable against public property. A subcontractor or supplier owed money on a state project has two parallel remedies: a stop payment notice under Civil Code §9350 (which withholds project funds in the awarding body's hands) and a claim against the payment bond under Civil Code §9550. Both have specific procedural deadlines tied to the project's "completion" and to notice requirements.

Prevailing wage is mandatory

All State Contract Act public works projects above the $1,000 Labor Code threshold require payment of prevailing wages to workers and certified payroll filings with DIR. See the Lab. Code §§1720–1743 deep-dive.

Listing of subcontractors is mandatory

Under the Subletting and Subcontracting Fair Practices Act (PCC §§4100–4114, separate from the State Contract Act but applicable to state public works), a prime bidder must list each subcontractor performing work valued at more than 0.5% of the prime bid in the bid itself. Substitution after award requires statutory consent or showings. The rule prevents "bid shopping" after award — a contractor cannot list one sub at bid time and then quietly swap in a cheaper sub after the contract is signed.

DIR contractor and subcontractor registration

Under Labor Code §1771.1, all contractors and subcontractors who bid or work on a public works project must register with DIR before bidding and must maintain registration during performance. Bids by unregistered contractors are non-responsive. Awarding bodies are required to notify DIR of public works contracts using DIR's PWC-100 online form.