Warning signs when hiring a contractor
Most bad outcomes are visible before the work starts. These are the signals worth taking seriously.
A large deposit up front
California limits the down payment a contractor may collect on a home improvement contract to one thousand dollars or ten percent of the contract price, whichever is less. Excluding finance charges, that is the law, and a contractor asking for half the job in advance is telling you either that they do not know the rules or that they do not intend to follow them.
Payments after that should track completed work. A schedule of payments tied to milestones protects both sides.
Pressure to decide today
A price that expires this afternoon, a crew that happens to be in the neighbourhood, materials left over from another job. These are sales techniques, not construction realities. A contractor with a healthy business does not need you to sign before you have read anything.
No written contract, or a thin one
A home improvement contract in California must be in writing and must contain specific elements including a description of the work, the price, the payment schedule, and an approximate start and completion date. A one-page quote with a total and nothing else is not a contract, and it is the document you will wish you had if things go wrong.
A quote with no exclusions
Every real quote excludes something. A bid that lists nothing it does not cover has either not been thought through or is relying on you not to ask. The exclusions are where the change orders come from.
A bid dramatically below the others
If three contractors quote around twelve thousand and one quotes six, the cheap one is not more efficient. Usually they have scoped less work, are planning to make it up on change orders, are not carrying insurance, or have made an error they will discover halfway through, which becomes your problem.
The most expensive contractor is rarely the best value. The cheapest one, on a large job, very often turns out to be the most expensive.
Cash only, or a request to pull your own permit
A strong preference for cash and no paperwork often means no licence and no insurance. Being asked to pull the permit yourself is a bigger warning: the permit holder carries responsibility for the work meeting code. A licensed contractor pulls the permit for work they perform.
A licence number that does not check out
Look it up. The CSLB register is public and free. Check that the number is active, that the classification covers your work, and that the name matches the person you are dealing with. Borrowed and expired licence numbers are common enough to be worth the sixty seconds.
No proof of insurance
Ask for a certificate of insurance, current, naming the contractor. Ask specifically about workers' compensation if a crew will be on site. An injury at your property involving an uninsured worker can become your financial problem.
Reluctance to give references
Any contractor with a few years behind them can name two customers with similar work. Reluctance is itself an answer. So is a list of references who all turn out to be unreachable.
Poor communication before you have paid anything
How someone behaves while trying to win your business is the best version of how they will behave once they have it. Missed appointments, vague answers and slow replies during the quoting stage do not improve after the deposit clears.
Compare quotes that show their exclusions
Every quote through Project Express states price, exclusions, message and timeline, so you can compare fairly.
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