In California, concrete contractors are licensed by the Contractors State License Board, usually in the C-8 Concrete classification. Since January 1, 2025, unlicensed people may only do jobs under $1,000 total that need no permit and use no employees. Check the license online, get a written contract, confirm who pulls city permits and make sure 811 is called before digging.
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Concrete is hard to undo. Once a driveway or patio is poured, fixing a thin slab, a missing base or bad drainage means breaking it out and starting over. That makes choosing the contractor the most important decision in the project. California has stronger contractor rules than many states, and knowing them helps you avoid the most common problems.
Who licenses concrete contractors
The Contractors State License Board (CSLB) licenses contractors statewide. Concrete work falls under the C-8 Concrete classification, which the CSLB describes as forming, pouring, placing, finishing and installing mass, pavement, flat and other concrete work, and setting screeds for pavements or flatwork. General building contractors (B license) also do concrete as part of larger projects, and some specialty trades, such as landscape or swimming pool contractors, may pour concrete within their own scope. For a stand-alone driveway, patio or walkway, a C-8 is the most direct fit.
The $1,000 minor work rule
A CSLB industry bulletin explains that starting January 1, 2025, Assembly Bill 2622 raised the minor work exemption from $500 to $1,000. There's a catch: the work can't require a permit, and the unlicensed person can't employ anyone. If either is true, a license is required even under $1,000. The $1,000 counts the whole project, labor and materials together. Nearly every real concrete job, from a driveway to a shed pad, will exceed this, and many involve permits anyway.
How to check a license
- Ask for the license number. Licensed contractors are generally required to include it on contracts and advertising.
- Look it up on the CSLB website. Confirm the business name matches, the license is active, and the classification fits the work.
- Check for workers' compensation insurance information if the contractor has employees, and for any bond or complaint history the CSLB shows.
- Ask for a certificate of general liability insurance, and confirm it's current.
Contracts and payments
California law sets rules for home improvement contracts, and the CSLB publishes consumer guides explaining them. Points worth knowing:
- Get the contract in writing, with the scope, materials, start and completion dates, price and payment schedule.
- California limits down payments on home improvement contracts. The CSLB's consumer materials explain the current limit; a contractor asking for a large deposit up front is a red flag.
- Don't let payments get ahead of the work that's been completed.
- Home improvement contracts generally carry a right to cancel within a few days of signing; the contract should explain it.
- Get written change orders for anything added or changed during the job.
Rules change, so check the CSLB's current consumer guidance before you sign.
Permits: the city, not the state
Permits come from your city, or from the County of San Diego in unincorporated areas. Common triggers:
- Right-of-way work. Driveway aprons, curb cuts, curbs, gutters and public sidewalks. In the City of San Diego, Development Services issues these, and Information Bulletin 165 lists City-standard residential driveways and curb, gutter and sidewalk replacement up to 150 linear feet as Rapid Review items. The City's Transportation Department also states that a right-of-way permit is required for all sidewalk repairs.
- Structural work. Footings and slabs for additions, ADUs, garages and many accessory buildings.
- Retaining walls, patio covers and outdoor kitchens with gas or electrical.
- Coastal zone projects, where some exterior work may need additional review.
- Larger landscape projects, where your city's version of California's water-efficient landscape ordinance may apply.
Thresholds and fees vary by city. Ask the contractor who will pull each permit, and get that in the contract. A contractor who suggests skipping a required permit is also telling you the job doesn't qualify for the unlicensed exemption.
Call 811 before digging
California law requires excavators to notify the regional one-call center before digging. In Southern California that's DigAlert, reached by calling 811, and San Diego County's own excavation permit materials note that a DigAlert ticket is needed at least two working days before digging. Utilities then mark their lines. Locating is free. Private lines, such as sprinkler lines, landscape lighting and lines to a detached garage, are not marked by utilities, so point them out to your contractor.
HOAs
Much of San Diego County's newer housing is in master-planned communities with HOA architectural review. Driveway widening, colored or stamped concrete, patio covers and front walks commonly need approval. Submit before you sign a contract with a fixed start date, and keep the approval letter.
Stormwater on the job
Concrete washout, saw-cutting slurry and wash water shouldn't go into the gutter or storm drain. The City of San Diego asks residents to report wash water and other pollution entering storm drains. Ask how the crew will contain washout and slurry, especially on driveway jobs right at the curb.
Comparing bids
- License number and classification on every bid
- Scope: square footage, tear-out, disposal
- Soil and base work, including any moisture conditioning for clay
- Thickness, reinforcement and joint layout
- Finish, curing and sealing
- Permits, HOA submittals and who handles them
- Payment schedule and warranty
Red flags
- No license number, or a license that doesn't match the business name
- Cash-only pricing with no written contract
- Pressure to sign today or pay a large deposit
- Leftover concrete from another job at a special price
- Advice to skip the permit
When you're ready, request a concrete contractor. We pass requests to independent, insured contractors, and you should still verify the license yourself before you sign. For pricing factors, see our San Diego driveway cost guide.
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Frequently asked questions
What license does a concrete contractor need in California?
Usually the CSLB C-8 Concrete classification. General building contractors (B) also do concrete within larger projects. Verify any license on the CSLB website.
Can a handyman pour my patio?
Only if the whole job is under $1,000, needs no permit and the person has no employees. Most patios exceed that, so a licensed contractor is required.
Does the contractor or the homeowner call 811?
The person or company doing the digging is responsible for the DigAlert ticket, which is usually the contractor. Confirm it's done at least two working days before excavation.
Sources and further reading
- American Concrete Institute (ACI)
- Portland Cement Association (PCA)
- California Contractors State License Board: C-8 Concrete Contractor
- CSLB: License requirement for minor work increases to $1,000 (AB 2622)
- County of San Diego General Plan Update EIR: Geology and Soils (expansive soils)
- City of San Diego Development Services: Information Bulletin 165, Public Right-of-Way Permits
- City of San Diego Transportation Department: Sidewalk maintenance responsibility
- City of San Diego Stormwater
- California Department of Water Resources: Model Water Efficient Landscape Ordinance
- County of San Diego: Excavation Permit Brochure (DigAlert notice)
- DigAlert: Underground Service Alert of Southern California (811)