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Contractor credit card processing: what a large invoice really costs

Contractor card payments are usually keyed in or paid by invoice, so they cost more: on a $4,800 invoice, Square's 2.9% + 30¢ costs $139.50, while an ACH bank transfer costs $5 to $10 on capped plans [3][6].

By Business Funders editorial teamUpdated Oct 20, 2026
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Losing 3% of a job to card fees feels like paying for the privilege of getting paid

On a $20,000 job, 3% is $600, which can be the margin on a small project. It is reasonable to want customers to pay by check.

But customers like cards, and there are honest ways to take them without giving up the margin: steer large payments to bank transfer, price business cards correctly, and, if you choose to, add a surcharge that follows the rules [4][5].

One $4,800 invoice and one $20,000 invoice, by payment method

Assumes the customer pays an emailed invoice, so card sales are card-not-present. Interchange rows are published by Visa and Mastercard; flat and ACH rates are each provider's published price. Interchange is before the processor's markup.
Payment methodPublished rateOn $4,800On $20,000
Visa debit, smaller bank, card not present1.65% + 15¢ [1]$79.35$330.15
Visa basic credit, card not present1.89% + 10¢ [1]$90.82$378.10
Mastercard small business credit, Data Rate II, basic tier1.90% + 10¢ [2]$91.30$380.10
Visa Signature Preferred, card not present2.50% + 10¢ [1]$120.10$500.10
Visa commercial card not present2.70% + 10¢ [1]$129.70$540.10
Square invoice, Plus or Premium plan2.9% + 30¢ [3]$139.50$580.30
Square invoice, Free plan3.3% + 30¢ [3]$158.70$660.30
Stripe card plus Invoicing Starter2.9% + 30¢, plus 0.4% [6]$158.70$660.30
ACH via Stripe0.8%, $5.00 cap [6]$5.00$5.00
ACH via Square invoice, Plus or Premium1%, $10 cap [3]$10.00$10.00

Assumes the customer pays an emailed invoice, so card sales are card-not-present. Interchange rows are published by Visa and Mastercard; flat and ACH rates are each provider's published price. Interchange is before the processor's markup.

On this page

Is it a fit for you?

It fits when

  • You run a general contracting, remodeling, roofing, HVAC, plumbing, electrical or landscaping business.
  • You bill by invoice, take deposits, or take card numbers over the phone.
  • Some customers are businesses or property managers paying with company cards.
  • You are thinking about adding a card surcharge and want to know the rules.

Look elsewhere when

  • You mostly run small service calls paid at the door. A tapped card on a reader will cost less than an invoice; see how to accept credit cards.
  • You need financing for a truck, equipment or materials. See contractor funding.
  • You want help collecting unpaid invoices. That is a different service.

Why contractor payments land in the expensive rows

On a $4,800 invoice, Visa interchange runs about $79 on a debit card from a smaller bank to about $130 on a commercial card [1]. Card networks price a sale by how the card is used. When a customer pays an emailed invoice, or reads you the number by phone, the card is not present, and the rate is higher. Visa's basic credit card costs 1.51% + 10¢ in person and 1.89% + 10¢ without the card present [1]. For a debit card from a smaller bank it is 0.80% + 15¢ in person and 1.65% + 15¢ online [1].

Large tickets magnify the gap. On a $20,000 job, the difference between those two Visa credit rows is about $76. If you meet customers at the site to collect, tapping the card on a reader is the single easiest way to cut the cost of a big payment.

Do not write card numbers on job folders

If a customer reads you a card by phone, type it straight into your processor's virtual terminal or send a payment link. Card numbers on paper are a security risk and break card rules.

Offer bank transfer on every large invoice

An ACH bank transfer moves money from the customer's bank account to yours, and most providers cap the fee. Stripe charges 0.8% with a $5.00 cap [6]. Square charges 1% with a $1 minimum on invoices, capped at $10 on its Plus and Premium plans; on its Free plan there is no cap [3]. PayPal invoices paid by bank cost 1%, capped at $10.00 [7].

That cap is what makes ACH so useful for contractors. On a $20,000 invoice, a capped ACH payment costs $5 to $10 while a card at 2.9% + 30¢ costs $580.30 [3][6]. Put the bank transfer option first on the invoice, and say plainly that cards are welcome too.

Ask your provider how long a bank transfer takes to settle, and release final paperwork or lien waivers once the money is actually in your account.

Business and commercial cards: the rows that cost the most

Property managers and commercial clients often pay with company cards, which carry the highest rates. Visa's commercial card-not-present rate is 2.70% + 10¢ [1]. Mastercard's small business credit cards range from 1.90% + 10¢ on its Data Rate II row to 2.95% + 10¢ to 3.30% + 10¢ on its Standard row, depending on the card tier [2].

Very large commercial payments have their own row. Visa lists a Commercial Product Large Ticket rate of 1.30% + $35.00 for purchasing and corporate cards [1]. On a $20,000 payment that is $295, against $540.10 on the commercial card-not-present row. Ask your processor whether your large commercial payments qualify and whether your setup sends the details the lower rows need.

Surcharging a contractor invoice: New Jersey and Visa rules

New Jersey allows a credit card surcharge, but it may not be greater than the actual cost to process the payment [4]. You must disclose it before the customer is charged: on a sign at the point of entry and point of sale in person, on the checkout page for online payments, and out loud before a phone payment [4].

  • Visa limits the surcharge to your processing rate for that card or 3%, whichever is lower [5].
  • Debit and prepaid cards cannot be surcharged, even when the customer picks "credit" on the terminal [5].
  • You must notify your acquirer at least 30 days before you start [5].
  • Show the surcharge as its own line on the invoice and the receipt.

Because a debit card cannot be surcharged, an invoice that adds a flat 3% to every card payment will overcharge some customers. Use a processor setting that detects credit cards, and run the math with our surcharge calculator. This is general information, not legal advice, as of Oct 20, 2026.

Deposits and progress payments: plan the payment method with the schedule

Most jobs are paid in stages: a deposit, one or more progress payments and a final balance. Each stage is a chance to choose the cheapest method. One simple pattern:

  1. Deposit: request ACH on the first invoice, with card as a second option.
  2. Progress payments: collect in person at the site when you can, so a card is tapped and priced as card-present [1].
  3. Final balance: send the invoice with ACH listed first and the card surcharge, if you use one, shown clearly before payment [4].

Write the payment options into the contract itself, so the customer knows from day one that bank transfer is preferred on large amounts.

New Jersey's contractors

New Jersey had 22,502 construction establishments with paid employees in 2023, including 14,029 specialty trade contractors and 3,454 plumbing, heating and air conditioning contractors [8]. Most bill by invoice, which is why the card-not-present rows and ACH caps above matter so much in this trade.

BatchOut is our own processing service and works with contractors on invoice and ACH setups. If we show it to you, it is labeled as ours and sits next to other options.

See what your invoices cost to collect

Tell us your monthly card sales, typical invoice size and how many customers pay by card. We compare card, ACH and surcharge setups on your numbers.

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How we wrote this

Written by the Business Funders editorial team and checked against the sources below on Oct 20, 2026. General information, not an offer or legal advice. Found an error? Tell us.