Note: For general informational purposes only — not legal advice. Always verify current requirements directly with CSLB at cslb.ca.gov.

Last reviewed: August 2026

Consumer Education

Know Your Rights as a California Homeowner

Before you sign a contract or hand over a deposit, here's what every California homeowner should know about hiring a licensed contractor — sourced from CSLB and other official state resources.

Verify a Contractor's License

Every contractor working on jobs over $500 in California must hold an active CSLB license. You can look up any license number to confirm it's current, check the bond status, see the license classification, and review any complaint or disciplinary history — all in one place. It takes less than a minute and can save you from a costly mistake.

Check a License at CSLB.ca.gov

Your Right to Cancel a Home Improvement Contract

Under California's Home Solicitation Sales Act, you have 3 business days to cancel any home improvement contract signed at your home or away from the contractor's place of business — no penalty, no questions asked. If you are 65 or older, that window extends to 5 business days. As of 2026 (AB 1327), contractors must also allow cancellation by email, making it easier to exercise this right in writing.

Read the CSLB Cancellation Warnings & Exceptions

General Liability & Workers' Compensation Insurance

General liability insurance protects your property if a contractor accidentally causes damage during the job. Workers' compensation covers medical costs and lost wages if a worker is injured on your property — without it, you could be held financially responsible. Always ask for proof of both before work begins, and verify the policies are current.

Mechanics Liens & the Notice to Owner

If you receive a Preliminary Notice (sometimes called a Notice to Owner), don't panic — it's a standard legal document that subcontractors and material suppliers are required to send in California to preserve their right to file a mechanics lien if they aren't paid. It doesn't mean anything is wrong, but it does mean you should confirm your prime contractor is paying their subs and suppliers on time. Unpaid liens can attach to your property title.

Know Who's Working on Your Home

As of 2026 (SB 517), California homeowners have the right to request the name, license number, and contact information of any subcontractor your prime contractor plans to use on your project. Don't hesitate to ask — a reputable contractor will provide this information without hesitation, and you can verify each sub's license independently through CSLB.

Permits Matter

Permits aren't just red tape — they trigger inspections that protect you by confirming work meets California building codes. Unpermitted work can create problems when you sell your home, void your homeowner's insurance, or require costly tear-out and redo later. Always ask your contractor which permits are required for your project, and confirm the permit was actually pulled by checking with your local building department before work begins.

How to File a Complaint

If something goes wrong with a licensed contractor — abandoned work, shoddy craftsmanship, unlicensed activity, or failure to honor a warranty — you can file a formal complaint with CSLB at no cost. CSLB investigates complaints, can issue citations, suspend or revoke licenses, and in some cases help recover funds. Filing a complaint also protects future homeowners from the same contractor.

File a Complaint or Get Help at CSLB.ca.gov

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