How to Write a Contractor Invoice That Gets Paid
The seven things a contractor invoice must contain, the three that get left off most often, and why a due date beats a payment term.
Go straight to the blank contractor invoice Free, no signup. Read on if you want the detail first.Start with the four questions every invoice answers
Who is asking for money, who owes it, what was it for, and when is it due. An invoice that answers those four clearly gets paid. One that leaves any of them ambiguous sits on a kitchen counter.
Everything else on the document exists to support those four answers.
The three things contractors leave off most often
A due date, written as an actual date rather than a payment term. A job address separate from the billing address, which matters constantly in residential work where the owner does not live at the property. And payment instructions, because an invoice that does not say how to pay it is asking the customer to do work.
Add those three and collection time drops without you chasing anybody.
Split labor from materials
Customers do not argue with itemized work, they argue with lump sums. Splitting labor and materials also makes a later change order easy to justify, because the customer can see which half moved.
What the invoice number is actually for
It is not decoration and it is not for the customer. It is how you find one document again two years later, in a shoebox or in an audit, and how anyone reading your books can tell that nothing is missing.
One sequence for the whole business, not one per customer, and no gaps. A gap in a numbered series reads as income that went somewhere. If you void an invoice, keep the number and mark it voided rather than reusing it.
A late fee only works if it was agreed first
A percentage that appears for the first time on the invoice is not a term of anything. It is a number you have written on a piece of paper, and a customer who ignores it is not in breach of anything.
If you want a late fee, it goes in the estimate or the contract the customer accepted, before the work started. Then the invoice is just restating a term that already exists, which is a far easier conversation and a far easier claim.
Invoice on a schedule, not when you remember
Progress billing on a fixed day beats invoicing whenever the job feels finished. It keeps cash moving, it surfaces payment problems early while you still have leverage, and it gives you a rhythm you can hold customers to.
On anything longer than a few days, send the final invoice the day the work is finished, while the result is still visibly fresh. An invoice that arrives three weeks later competes with every other bill on the table and with the memory of a job that has stopped feeling recent.
Before you send it, seven lines
This is the whole check, and it takes under a minute.
- Your business name, address, phone and email, plus your license number where your state requires it on written documents.
- The customer's name and billing address, and the job address as a separate field.
- An invoice number from one unbroken sequence, and the date you issued it.
- The work, itemized, in the customer's words, with labor and materials separated.
- Subtotal, tax, anything already paid as a deposit, and the balance actually due.
- A due date written as a real date, not a payment term.
- How to pay, in enough detail that nobody has to ask a question to do it.
Free Contractor Invoice Template, free, no signup, PDF Word and Excel.
Questions people ask
Is an invoice the same thing as a receipt?
No. An invoice asks for money and a receipt confirms money arrived. They are often confused because a paid invoice is sometimes used as both, but they do different jobs: the invoice creates the obligation and the receipt discharges it. If a customer asks for a receipt, send a separate document marked paid, with the date the payment cleared and the method.
What payment terms should a contractor use?
Due on receipt for small residential jobs, and a named number of days for commercial work where an accounts payable department needs a cycle. Whichever you pick, put the actual calendar date on the invoice as well. Net 30 requires the reader to do arithmetic, and an invoice that requires arithmetic gets set aside.
Do I have to put my license number on an invoice?
Several states require a licensed contractor's number on written documents given to a residential customer, and some are specific about which documents and how prominently. The requirement and its wording vary by state, so check your own licensing board rather than copying another state's rule. Including it is never wrong, so the simple answer is to put it on everything.
Should I charge sales tax on labor?
That depends entirely on the state, and in several states on whether the work is a repair or a capital improvement to real property. Some states tax materials only, some tax the whole contract in certain circumstances, and the treatment of a capital improvement is frequently different from the treatment of a repair. This is a question for your state's department of revenue or your accountant, not for a template.
Can I invoice for a deposit before starting?
Yes, and it is normal for anything with material ordered up front. Make it clear on the document that it is a deposit against a named job rather than a payment for work performed, say what it covers, and show it again as a credit on the final invoice so the customer can see it was applied. Some states cap residential deposits, so check before setting a figure.
What should I do when an invoice is not paid?
Send a copy with a short note, not a new invoice with a new number, because a second number makes the debt look like two debts. If it stays unpaid, the next step in most states is a notice of intent to lien, which is a letter saying you intend to file rather than a filing itself. The deadline for the lien behind it is set by state statute and is often much shorter than people expect, so find out what yours is before the clock matters.