Contractor deposits: how much to charge and when to ask

If you've ever done a job for someone who vanished on invoice day, you already understand why a contractor deposit matters. Most solo contractors skip the deposit conversation because it feels awkward — but not asking is one of the main reasons small shops run short on cash and chase payments for weeks after a job wraps.

A deposit requirement costs you nothing to set up. Done right, it covers your materials before you lift a tool, locks in your schedule, and tells you upfront whether a customer is committed or just shopping around. Here's how to build a contractor deposit policy that works without killing your close rate.

Why a deposit protects more than your cash flow

A deposit does three things at once. It covers the cost of materials you order before the job starts. It converts a spot on your calendar from a soft hold to a hard commitment. And it tells you — before you've spent a dollar — whether the customer intends to follow through.

The U.S. Bureau of Labor Statistics reported a median annual wage of $62,970 for plumbers and pipefitters and $59,810 for HVAC technicians as of May 2024. When you factor in self-employment taxes, liability insurance, and vehicle costs on top of that base wage, your real cost per hour is meaningfully higher. A day cleared for a $3,500 installation that doesn't happen isn't just a missed job — it's a full day of overhead you've already incurred with nothing to show for it.

Customers who won't commit any money upfront on a materials-heavy job sometimes turn out to be the same people who don't answer the phone when the final invoice lands. Finding that out before you order $1,800 in equipment is worth quite a bit.

How much to charge as a contractor deposit

The right deposit amount depends on two things: how much you're fronting in materials before work starts, and any legal limits in your state.

Service calls and diagnostic visits: You generally don't need a deposit here. Your service call fee covers your time on the visit. If the customer approves the repair, they pay at completion. If they decline, the fee covers the trip. That works because you're not buying anything custom to that customer before you arrive.

Equipment installs and special-order work: This is where a deposit becomes non-negotiable. If you're sourcing a specific furnace, a tankless water heater, or a custom fixture for a particular address, that part belongs to them once you order it. Get the deposit before you place the order — not after. Once the part ships, your leverage is gone.

Multi-day and multi-week projects: Use a deposit as the first payment in a milestone schedule. A payment to kick off the job, one or two interim payments tied to completed phases (rough-in, inspection, finish), and the balance at walk-through. Milestone billing keeps your cash flow steady and gives the customer a clear picture of what they're paying as you complete work.

Before you run the deposit math, make sure your total price already covers materials, overhead, and profit. Our markup calculator is useful here — set the margin first, then calculate the deposit from the total.

What the law says in California and Nevada

If you hold a contractor license in California or Nevada, state law limits how much you can collect upfront from a homeowner.

California: Under California Business and Professions Code § 7159.5, licensed home improvement contractors cannot require a down payment greater than 10 percent of the total contract price or $1,000 — whichever amount is less. On a $4,000 bathroom remodel, that's a $400 cap. On a $20,000 HVAC replacement, the cap is still $1,000. Collecting more is a misdemeanor and grounds for discipline by the California Contractors State License Board.

Nevada: Nevada Revised Statutes § 624.270 sets the same ceiling — 10 percent of the contract or $1,000, whichever is less — with narrow exceptions for contractors who have posted a separate consumer protection bond.

The chart below shows how these caps work at common job price points. The $1,000 ceiling becomes the binding limit on any job over $10,000.

Contractors in other states should check their state's contractor licensing board website for any deposit limits. Many states have no statutory cap, but collecting only what you need to cover materials and initial job costs is sound practice regardless.

Service calls vs. installations: different deposit rules

Not every job needs a deposit, and pushing for one on the wrong type of work creates friction that costs you the job without any real benefit.

Service calls: A service or diagnostic fee — the flat charge you collect when you arrive and assess the problem — already does the job a deposit would otherwise do. It covers your time and trip. If the customer approves the repair, they pay at completion. If they decline, the service fee makes you whole. Your service call pricing guide for HVAC or plumbing covers how to set that fee correctly.

Equipment orders and installs: Any job where you're ordering parts or equipment specific to that customer is a different situation. A compressor, a water heater, a breaker panel — once you order it for their address, it's effectively theirs. Collect a deposit before you place that order. Not before the job starts. Before the order goes in. That timing distinction matters.

Multi-day projects: Treat the deposit as step one in a payment schedule. Here's a simple three-step structure that works for most renovation-scale jobs:

1. Deposit collected when quote is accepted (reserves your schedule and covers initial materials)
2. Progress payment at a defined milestone — rough-in completion, inspection pass, or framing close
3. Final balance at job walkthrough and customer sign-off

This structure is easy for customers to understand because they're paying as you complete real, visible work — not all at once upfront.

What to put in your quote

The most common mistake contractors make with deposits is treating the deposit conversation as separate from the quote. If you send the quote, get a verbal yes, and then bring up the deposit a day later, you've created an objection that didn't need to exist.

Deposit terms belong in the quote document alongside the scope and line items. When the customer accepts the quote, they're accepting the deposit term at the same time. No separate ask required.

Use plain, direct language. Here's a template that works:

Deposit: A deposit of $[amount] is due upon acceptance of this quote. This deposit covers material procurement and schedule reservation. The remaining balance of $[amount] is due at project completion.

For milestone-payment jobs, list each step explicitly:

Payment schedule

• Deposit of $[amount] due upon quote acceptance
• Progress payment of $[amount] due upon rough-in completion
• Final balance of $[amount] due at project walkthrough

Keep it factual and specific. Dollar amounts, not percentages. Specific milestone descriptions, not vague phases.

When you combine the deposit term with a quote expiry date — a tactic covered in our guide to writing a roofing quote — both tools reinforce each other. The expiry creates urgency to decide; the deposit term creates a clear, low-friction action to take once they do.

If a customer pushes back: Don't negotiate the deposit amount to zero. Explain the actual reason plainly: "I order your equipment before we start, and I need the deposit before I place that order." That's not a policy — it's cause and effect. Most customers accept it without further discussion.

A customer who refuses any deposit on a materials-heavy job is a legitimate financial risk. If you're sensing hesitation, the signals covered in our quote follow-up guide apply here too — sometimes a deposit objection is the first sign of a customer who won't close.

Takeaways

• Ask for a deposit on any job where you're fronting material cost before work starts. For standard service calls where you carry stock, collect at completion instead.
• The deposit amount for equipment installs should cover, at minimum, what you're spending on materials before the job starts.
• In California (BPC § 7159.5) and Nevada (NRS § 624.270), deposits are capped at 10% of the job price or $1,000, whichever is less. Check your state's contractor licensing board for your state's rules.
• Collect the deposit before you order materials — not before the job starts. Timing matters.
• Put deposit terms in the quote document itself. When the customer accepts the quote, the deposit agreement comes with it.
• A milestone payment schedule — deposit, mid-job payment, final balance — works well for any job spanning more than a few days.

Set your deposit policy once, then stop thinking about it

The contractors who handle deposits best aren't winging it job by job — they've written down what they charge for service calls, for installs, and for large projects, and they put it in their quote template. The conversation never comes up because the terms are already on paper when the customer reviews the quote.

JobEstimator lets you build deposit terms and payment schedules into your quote template so they show up automatically on every job. You set the policy once; it goes out on every quote without you typing it again. Plans start at $39/mo — a deposit on one equipment install will cover that for the year.