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How Much Deposit Should You Pay a Contractor? (State Laws + Payment Schedule)

A reasonable contractor deposit is 10–30% of the project price — and never more than one-third. Several states cap it by law: California limits home-improvement deposits to 10% or $1,000, whichever is less. Pay by credit card or check (never cash), tie every further payment to a completed milestone, and never pay in full before the work is done. Here’s exactly how to structure it.

What Do State Laws Say About Contractor Deposits?

Most states don’t cap deposits — but where the law exists, it’s strict, and contractors who ask for more are breaking it:

StateLegal deposit limitSource
California10% of contract price or $1,000, whichever is lessContractors State License Board (CSLB)
MarylandMax 1/3 of the contract priceMaryland Home Improvement Commission (MHIC)
PennsylvaniaMax 1/3 of contract price (plus special-order material costs) on contracts over $5,000PA Home Improvement Consumer Protection Act
Most other statesNo statutory cap — industry norm is 10–30%State consumer protection offices

Even where there’s no legal cap, one-third is the ceiling any reputable contractor will defend. A pro with healthy cash flow doesn’t need your money to start your job.

What Does a Safe Payment Schedule Look Like?

Tie money to milestones, not dates. For a mid-size project (e.g., a roof or kitchen), this structure protects both sides:

MilestonePaymentRunning total
Contract signing (deposit)10–15%15%
Materials delivered to site25%40%
Work ~50% complete (walkthrough)30%70%
Substantial completion25%95%
Final walkthrough + punch list done + lien releases signedFinal 5%100%

Three rules that make this work:

  1. Never let payments get ahead of work. At any point, money paid should roughly match work completed.
  2. Hold the last 5–10% until the punch list is done. It’s the only leverage you have left.
  3. Get lien releases with the final payment — proof the contractor paid their suppliers and subs, so a mechanic’s lien can’t land on your house later.

How Should You Pay a Contractor?

What Are the Deposit Red Flags?

If you’ve already paid someone who’s gone quiet, act fast — see what to do if you’ve been scammed by a contractor.

Frequently Asked Questions

Is a 50% deposit normal for a contractor? No. Industry norm is 10–30%, and several states cap it lower — California caps it at 10% or $1,000, whichever is less. A 50% demand is either a cash-flow problem or a scam setup.

Should I ever pay a contractor in cash? No. Cash is unrecoverable and leaves no trail. Pay by credit card when possible (chargeback protection) or check. A contractor who insists on cash is a red flag by itself.

What is a lien release and why do I need one? It’s a signed waiver proving the contractor paid suppliers and subcontractors. Without it, an unpaid sub can file a mechanic’s lien against your home — even though you paid the contractor in full.

Can I withhold final payment if the work isn’t finished? Yes — that’s what the final holdback is for. Keep 5–10% until the punch list is complete and lien releases are in hand. Put this schedule in the contract so it’s enforceable.

What if my contractor asks for more money mid-project? Legitimate change orders happen — but they must be written, priced, and signed before the extra work begins. Verbal “it’s going to be more” demands with payment pressure are a classic overrun scam.


Last updated: June 10, 2026. Sources: California CSLB; Maryland MHIC; Pennsylvania Home Improvement Consumer Protection Act (73 P.S. § 517.1); FTC consumer guidance on hiring contractors. This article is consumer information, not legal advice.