California SB 342 Changes What a License Gap Costs on Big Jobs. The Gap Itself Still Counts

On September 30, 2026, California's governor signed Senate Bill 342, a law that changes what a gap in a contractor's license costs on public works, commercial and some larger apartment projects. It starts January 1, 2027. The change is narrow, and it is about money. It does not change who needs a license. The Contractors State License Board (CSLB) can still discipline, and the board's own renewal page still says work done on an expired license is considered unlicensed.

This article walks through what the bill says, in its own words where it matters, what it leaves alone, and what the board's staff wrote about it. If you are trying to understand how California licenses a contractor in the first place, start with our California contractor license page. Nothing here is legal advice.

At a glance

• What: Senate Bill 342, Chapter 967, Statutes of 2026. It amends section 7031 of the Business and Professions Code, the section about getting paid when a license has a gap.
• Signed: September 30, 2026. Starts: January 1, 2027.
• Where it applies: public works, commercial construction, institutional construction, common interest developments and apartment style projects of four or more units. For the last two, no tenant or resident can be a party to the contract.
• What changes: on those projects, a contractor that was licensed when it signed the contract, and during the work it wants to be paid for, can sue for that work. An owner can recover only what was paid for work done while the contractor was unlicensed.
• What does not change: the license requirement, the criminal law on unlicensed contracting, the board's power to discipline, and the old rule for projects that are not on the list.

Until January 1, 2027, a gap at any point can put the whole contract at risk

Section 7031 has two halves, and until the bill starts they apply the same way on every job. The first says a contractor cannot sue to be paid for work that required a license without "alleging that they were a duly licensed contractor at all times during the performance of that act or contract." The second lets a person who used an unlicensed contractor sue to "recover all compensation paid to the unlicensed contractor."

So today, a gap at any point in a job can put the whole contract at risk. The bill's sponsor, the California Conference of Carpenters, gave the committees an example. A contractor could be forced to return every payment on a project because of a gap covering 1 percent of it. That is the sponsor's example, not a finding by anyone else.

What the bill changes

The bill leaves those two rules in the law and adds an exception to each. The exception covers a contract for any of these five kinds of project, in the bill's words:

• A public work of improvement.
• A commercial construction project.
• An institutional construction project.
• Construction of a common interest development, "if a tenant or resident is not a party to the contract."
• Construction of a multifamily residential project "consisting of four or more units if a tenant or resident is not a party to the contract."

Starting January 1, 2027, on those projects, the first half lets a person "maintain an action for compensation." The condition is that the person "was a duly licensed contractor at the time the contract was executed and during the portion of the performance of the contract for which compensation is sought." The second half lets an owner recover only "the portion of compensation paid to the unlicensed contractor for work performed during the time in which the contractor was unlicensed."

In plain terms, the penalty follows the dates of the gap instead of the whole contract. The Legislative Counsel's Digest, which is the official summary at the top of the bill, describes the same two changes and nothing else.

What the bill does not change

• The license requirement. The bill amends only section 7031. Section 7028 still makes it a misdemeanor to act as a contractor in California when you are "not licensed in accordance with this chapter." The bill does not touch it.
• The condition. The new rule protects a contractor that was licensed when the contract was signed. It is not a way around licensing.
• Other parts of section 7031. The text still says a security interest taken to secure payment is unenforceable if the contractor was not licensed at all times during the work. It still puts the burden of proving licensure on the licensee, with a verified certificate from the board. It still has the substantial compliance doctrine. A court may find it if it is shown at an evidentiary hearing that the contractor had been licensed before, acted reasonably and in good faith to keep the license, and acted promptly to fix the problem. How these fit with the new text is a question for an attorney.
• Projects not on the list. For those, the old rule is still the text. CSLB staff wrote that the bill leaves "existing protection for consumers of home improvement construction" in place.
• The board's powers. A Senate committee analysis says the board can discipline contractors who violate the Contractors State License Law. It adds that discipline "can include citations and fines, as well as license suspension and revocation."

The bill is also silent on whether it reaches contracts signed, or work done, before January 1, 2027. Your own attorney can say how it applies to a real contract.

What the board's staff wrote

CSLB took a "watch" position on SB 342 at its March 19, 2026 meeting, on an earlier version of the bill. For the September 2 and 3 board meeting, staff wrote an analysis of the bill with no recommendation. Three lines from it matter here.

First, staff said the civil protections in section 7031 "are not directly implemented or enforced by the Contractors State License Board (CSLB)."

Second, staff acknowledged the industry's concern that the current rule "may enable awarding agencies and knowledgeable commercial property business owners to avoid paying for services rendered when a contractor's license lapses, even for a minimal period of time." That "can be a ruinous consequence for contractors who work on large-scale public works and commercial construction projects, for what is perceived as a clerical error." Then staff added that "there is flexibility for administrative licensing issues, such as late renewals and other administrative errors, that are corrected timely by the licensee."

Third, staff wrote that in most cases "a lapse in licensure results from the licensee failing to complete the required renewal steps despite having an additional 90 days to comply."

Staff also described what counts as being unlicensed during a job. Under current law, a contractor who is unlicensed at any point may lose the right to payment. Staff gave a license suspension and work outside the scope of the license classification as examples. Staff's reading of the bill is that the contractor "would still be precluded from obtaining payment for work performed during periods in which the contractor was unlicensed or operating outside their license classification but could pursue compensation for the licensed portion of the work." That is staff's description, not the bill's text.

What the board's website says about a gap

The renewal pages on the CSLB site are plain about it. "An acceptable renewal application must be received at CSLB's Headquarters Office prior to the expiration date of the license to avoid any unlicensed time." And: "There will be a break in licensing time and any work performed while the license is expired is considered to be unlicensed." The page on failing to renew adds that "disciplinary action can be taken against you." And the general renewal page says: "You cannot actively contract with an expired, inactive, or suspended license."

California law does give some room. Under section 7141.5, the registrar shall grant a retroactive renewal to an otherwise eligible licensee if a completed renewal application and the fees arrive within 90 days after the expiration. That is a safety net for a mistake, not a plan. The renewal date is the one to hit.

Why a gap is still expensive

Even on a covered project after January 1, 2027, a contractor still cannot be paid for the stretch it was unlicensed. The owner can still recover what was paid for that stretch. The contractor also has to have been licensed on the day it signed. On a project that is not on the list, the old rule is still in the text. And on any project, the board's page still says work during an expired license is unlicensed, with discipline possible.

A gap can start in a few ways: a renewal date nobody was watching, a suspension, work outside the classification on the license, or the person who qualifies the license leaving. The last one is on our California page. It says to replace a qualifying individual "within 90 days of the disassociation date or the license (or that classification) is automatically suspended." One 90 day written extension is allowed. Those are the board's rules as our page reports them. The CSLB staff analysis names a suspension as one way to be unlicensed. Staff did not link the two, but a company that depends on a single person for its license has a date to watch.

For companies that want to work in California

Our California page puts it this way: "the net is wide: any construction work of $1,000 or more, or any job that requires a building permit or employs workers, takes a license." The board licenses the business, and "Every license is backed by a qualifying individual". Find the rest on our California contractor license page, including classifications, experience, exams and bonds.

An owner with the experience can qualify the company personally. A company whose owner does not yet have the experience or the exams can be qualified by a licensed qualifying agent who is a real employee of the company. A company whose qualifier has left can ask about a replacement. Contractor qualifier services explains how The Licensing Company helps with that. A state board decides every application, and approval is never a promise. For the 2026 changes already in force, see California contractor laws that took effect in 2026.

Frequently asked questions

Does SB 342 mean a short gap in a license is no longer a problem? No. Starting January 1, 2027, on the listed projects, the penalty follows the dates of the gap instead of the whole contract. The license requirement, the board's discipline and the criminal law are the same.

When does it start? January 1, 2027. The bill is not an urgency bill. The California Constitution says a statute passed at a regular session takes effect on the January 1 that follows a 90-day period from enactment. The governor signed it September 30, 2026.

Which projects does it cover? Public works, commercial construction, institutional construction, common interest developments, and multifamily projects of four or more units. For the last two, no tenant or resident can be a party to the contract.

Does it cover home improvement work? The bill's list does not include it. CSLB staff wrote that the bill leaves existing protection for consumers of home improvement construction in place.

Does the contractor get paid for the days it was unlicensed? CSLB staff's reading is no: the contractor would still be precluded from obtaining payment for work performed while unlicensed. The author's statement to a Senate committee says the same, that the bill continues to prohibit payment for days worked without a valid license.

Does it change the criminal law on unlicensed contracting? No. The bill amends only section 7031.

Does it apply to contracts signed before January 1, 2027? The bill does not say. That is a question for an attorney.

Did the board support the bill? It took a watch position on an earlier version in March 2026. Staff made no recommendation in its September analysis. We did not find a later board vote.

This article is general information about a California law, not legal advice. An attorney can say how it applies to a specific contract or dispute, and the Contractors State License Board can answer licensing questions.

Marshall Schofield, one of the nation's leading contractor exam prep instructors, has helped thousands upon thousands of contractors get licensed. Jeremiah Jaskulski is a licensed contractor who has lived the licensing process across multiple states. Together they founded The Licensing Company, and they help contractors get licensed the right way nationwide. Sources: SB 342, Chapter 967, Statutes of 2026, bill status, Senate Judiciary Committee analysis, January 13, 2026, Assembly Business and Professions Committee analysis, June 30, 2026, California Constitution Article IV, section 8, Business and Professions Code section 7028, CSLB renewal information, CSLB, failing to renew, CSLB board packet, September 2 and 3, 2026, CSLB board packet, June 5, 2026, and the Jones Day commentary that started the story, as republished on JD Supra, October 29, 2026.