Suing a Contractor for Defective Work in California

Bad workmanship, unfinished jobs, and budget blowouts put California homeowners and property owners in a frustrating spot: you paid for professional work and got problems instead. California law gives owners several strong claims against contractors, including one remedy many people have never heard of that applies when the contractor was not properly licensed. Here is how these cases work.

First moves that protect your case

1. Document everything now. Photograph and video the defects, keep every contract, change order, invoice, text, and email, and save payment records.
2. Check the license. Look the contractor up on the CSLB (Contractors State License Board) website. Whether they were licensed for the entire job changes your case dramatically, as explained below.
3. Get an independent assessment. A qualified inspector or another licensed contractor can document what is wrong and what repair will cost. That report anchors your damages.
4. Be careful with repairs. Fix genuine safety hazards, but preserving the defective condition (or at least thorough documentation of it) matters for proof.

Your legal claims

1. Breach of contract. The work did not match the plans, specifications, or workmanlike standards the agreement requires. See our page on breach of contract claims.
2. Negligence. Work performed below the standard of care that damages your property.
3. Breach of warranty. Express warranties in the contract, and warranties implied by law, support recovery when the work fails prematurely.
4. Fraud or misrepresentation. Lies about licensing, qualifications, or what was actually done can support additional remedies.

The unlicensed contractor rule most owners never hear about

California is unusually tough on unlicensed contracting. Under Business and Professions Code section 7031, a contractor who was not duly licensed at all times during the work generally cannot sue you for payment, and an owner may sue to recover all compensation paid to the unlicensed contractor, even for work that was adequately performed. If your contractor's license lapsed mid-project or never existed, that single fact can transform your case.

New construction: the Right to Repair Act

For newly built homes, California's Right to Repair Act sets construction standards and a mandatory pre-litigation process: the builder gets notice and an opportunity to inspect and repair before most lawsuits proceed. The procedure is strict and deadline-driven, so involve counsel before sending anything.

Deadlines you cannot ignore

Construction defect deadlines vary by claim and by whether the defect is obvious (patent) or hidden (latent), with outside limits measured in years from completion. Waiting is the most common way owners lose otherwise strong cases. When defects surface, start the clock analysis immediately.

Other pressure points

Licensed contractors post a CSLB bond that can provide partial recovery, and a CSLB complaint creates regulatory pressure alongside your civil claims. If you bought a recently renovated home rather than hiring the contractor yourself, see our article on contractor liability on flipped homes.

Talk to a Los Angeles construction attorney

The Darvish Firm's Los Angeles construction law attorneys represent owners, developers, and contractors in defect and payment disputes across Southern California. Call (310) 677-3512 or request a consultation.

This article is general information about California law, not legal advice, and reading it does not create an attorney-client relationship. Every case depends on its facts. Consult an attorney about your specific situation.