A California C-8 concrete contractor license comes down to four things the state can check: four years of journey-level concrete experience earned in the last ten, a $450 application that survives a DOJ and FBI background check, two closed-book exams at a PSI center, and a $25,000 bond plus workers' compensation coverage that C-8 holders must carry whether or not they employ anyone. This guide follows that path in order, uses only figures CSLB actually publishes, and flags the two places where concrete contractors are treated differently from every other trade — the insurance rule, and the official Spanish version of the exam.
CSLB publishes the C-8 definition straight from Title 16 of the California Code of Regulations: a concrete contractor forms, pours, places, finishes and installs specified mass, pavement, flat and other concrete work, and places and sets screeds for pavements or flatwork. Two carve-outs sit in the same paragraph of the official C-8 classification description. If your sole contracting business is applying plaster coatings, or placing and erecting the steel and bars that reinforce concrete, this is not your classification — the regulation turns on what your contracting business is, not on what your crew touches in a given day.
Know the neighbours before you commit. Concrete tied to fixed works — highways, bridges, dams, levees, sewers — is named inside the General Engineering (A) definition in Business and Professions Code section 7056, and a General Building (B) contractor can take a project that includes concrete when the job genuinely requires at least two unrelated building trades.
One narrow exemption exists. Business and Professions Code section 7048, as amended by AB 1170 effective January 1, 2026, applies only when everything lines up at once: the aggregate contract price for labor, materials and all other items is under $1,000, the work is genuinely of a casual, minor or inconsequential nature, and it does not require a building permit. The same section then strips the exemption from anyone who advertises or otherwise holds themselves out as a contractor, and from anyone who employs another person to perform or assist in the work. Carving a larger pour into sub-$1,000 contracts is named in the statute as evasion.
Applied to concrete, almost nothing survives that. A residential slab, a driveway, footings, a retaining wall: the permit condition and the price ceiling each rule out most of the work, and one helper on site ends the exemption outright.
The qualifying individual needs at least four years of experience in the classification applied for, earned within the ten years immediately before the application, at no less than journey level — journeyman, foreman, supervising employee, contractor or owner-builder. Owner-builder time is the trap: CSLB counts it only toward the B General Building classification, so concrete poured on your own property will not carry a C-8 application. Section 825 of Title 16 defines a journeyman as an experienced worker who is fully qualified rather than a trainee and can perform the trade without supervision, or who has completed an apprenticeship program.
It is recorded on the Certification of Work Experience form, and the certifier has to be somebody with direct knowledge of your work: an employer, a co-worker, a journeyman, a union representative, a business associate. CSLB must randomly review three percent of applications, and there the claimed experience has to stand up against payroll records or similar documents. Certify the years you can evidence, not the years you remember.
Up to three of the four years can come from completed training in an accredited school and/or an apprenticeship in the trade applied for, under that same section 825 — credit, not a substitute, so at least one year of real journey-level concrete work still has to sit underneath it. Transcripts must reach CSLB sealed and directly from the school, a degree earned abroad has to be translated and evaluated by an accredited U.S. service first, and apprenticeship dates cannot overlap the experience you are certifying.
Section 7068 decides who may carry that experience, and the answer follows your business form: sole owners qualify themselves or employ a responsible managing employee (RME), partnerships use a general partner or an RME, corporations a responsible managing officer (RMO) or an RME, LLCs an RMO, a responsible managing manager or member, or an RME. Any RME has to be permanently employed and actively engaged in the classification — 32 hours a week, or 80 percent of the business's operating hours if that is less. Where the qualifier is not the proprietor, a general partner or a joint licensee, section 7071.9 stacks a $25,000 qualifying individual's bond on top of the contractor's bond.
The Application for Original Contractor License carries a $450 fee for one classification. Sent incomplete, it comes back with 90 days to fix and resubmit; after that it is deemed abandoned, becomes void, cannot be reinstated, and the $450 is gone. Accepted as complete it is posted, and everyone on it who needs prints is mailed instructions. Fingerprints go to the California Department of Justice and the FBI and no license issues until both report back; prints given to an employer or another regulator do not transfer. In state that means electronic live scan, from out of state either live scan in California or mailed hard cards — which the instructions warn can significantly delay licensure.
Approval sends the application on to testing, which produces a mailed Notice to Schedule for Examination and hands you to PSI: an account, a fee paid directly to PSI, and your own choice of date, time and test center. Law and Business is required of every applicant who does not qualify for a waiver; C-8 applicants sit the concrete trade exam too, each allotted three and a half hours, and trade exams are administered only in California and Oregon. Fail one and you wait 21 calendar days, pay PSI a re-examination fee, and try again inside the 18-month window that starts when the application is accepted — past that the application is void and you refile with new fees.
On language, C-8 sits better than most trades. CSLB publishes official Spanish versions of ten exams, and C-8 Concrete is on that list with Law and Business, B, C-9, C-15, C-27, C-33, C-36, C-39 and C-54. The application asks about language at Question 15, and CSLB's own instructions state that an applicant who selects Spanish will be scheduled for the Spanish examination where one exists. The board is equally clear about the other side of it: candidates who request a translator for one of those ten exams are required to take the Spanish version rather than bring an interpreter.
Sections 7065 through 7065.4 turn on five years: a qualifier who currently serves, or served within the past five years, on a license in good standing in the same classification, or who passed those same examinations in that period. Reciprocity is the concrete-specific route — CSLB's reciprocal classifications list maps Arizona's concrete classes and Nevada's C-5 Concrete to California's C-8, for applicants who held that license in good standing for the previous five years and submit a completed license verification. Even then the board may waive only the trade half and keeps the right to require the exam, and Law and Business still applies unless you passed it within five years.
Passing is a milestone, not a license. What arrives next is a Bond and Fee letter, mailed to your business address, itemizing the issuance requirements specific to your own application.
Section 7071.6 requires it on file as a condition of issuance, reactivation, renewal and continued maintenance. That figure is what the bond answers for, not what you pay — the surety prices the premium, largely on credit, so no honest quote exists in advance.
$200 for a sole owner and $350 for every other business type, per CSLB's published fee schedule, paid after you pass and separately from the $450 that went with the application.
This is what separates C-8 from most classifications, and it belongs in the budget before you apply. Contractors with no employees can normally file an exemption instead of buying a policy; section 7125 leaves that open only to an applicant or licensee who has no employees and does not hold a C-8, C-20, C-22, C-39 or D-49 license. CSLB repeats it in plain language on the application form: coverage is required for everyone applying for those classifications, whether or not they have any employees. Enforcement is specific too: since July 1, 2023, a licensee holding C-8 alongside other classifications who lets coverage lapse has the C-8 removed from the license rather than the whole license suspended. The current section 7125 is repealed on January 1, 2028, and its replacement leaves the no-employee exemption open only to joint ventures.
Section 7058.5 puts one more item on every qualifier's list: the Asbestos Open Book Examination, taken through CSLB's website, plus a signed verification form. CSLB states it cannot process the license until that form reaches it with your bond and fee paperwork. Passing it does not authorize asbestos work — that needs separate certification or the C-22 classification. You can practice the asbestos open-book exam here at no cost.
The published figures: $450 to apply for one classification, $200 or $350 to issue the license, $32 to the Department of Justice and $17 to the FBI, on top of a rolling fee each live scan site sets for itself. The exam fee is not a CSLB figure at all — it is PSI's, paid directly to PSI at scheduling — and bond and workers' compensation premiums come from private insurers, so any single number for those is an estimate. CSLB adds that no school or application-preparation service works for or represents the board, and that its official study guides, the Spanish C-8 guide included, are free.
No turnaround is promised either. What CSLB publishes is a Processing Times page, refreshed weekly, showing the postmark date each unit is currently working through: original applications, criminal background, bonds, issuance. Read against the stage you are actually in, it beats any estimate a salesperson offers. Delays cluster in three places: an application sent back for correction, fingerprints submitted on hard cards from out of state, and selection into the three percent review.
Afterwards, a license expires two years from the last day of the month in which it was issued (section 7140). Renew on time and active status costs $450 as a sole owner and $700 otherwise; delinquent, those become $675 and $1,050. Get the complete renewal and the fees to CSLB within 90 days of expiration and the registrar must grant retroactive renewal under section 7141.5 — miss that and there is a documented gap in your licensure. An inactive license runs four years and suspends the bond, qualifier and workers' compensation requirements while it lasts, which beats letting everything lapse over a slow season.
Both exams are closed book, and both reward understanding a rule over recognizing an answer. The C-8 Concrete practice test here is free to try, as is the CSLB Law and Business practice test that goes with it — and the written explanation under each question is the part worth your time when you miss one.
Ready to practice for the exams? The C-8 Concrete practice bank on LICENA: real-exam-style questions with a written explanation on every answer, in English, Spanish and Russian. The sample is free — no sign-up.
Try the free practice test → CSLB Law & Business