Contractor Invoice: How to Bill for Labor, Materials and Progress

Updated

Whether you're a general contractor, plumber, electrician, roofer or handyman, a clear invoice gets you paid faster and avoids arguments about what was agreed. This guide shows how to bill for labor and materials, deposits, change orders and progress payments, with a complete contractor invoice example you can copy.

The short answer

A contractor invoice should show:

  1. Your business name, contact details and license number
  2. The client's name and the job site address
  3. An invoice number, the date and the job or quote reference
  4. Labor and materials as separate lines
  5. Approved change orders, each on its own line
  6. Any deposit or progress payments already received
  7. The balance due, the due date and how to pay

What to include on a contractor invoice

Labor and materials

Keep labor and materials on separate lines. Clients can see exactly what they're paying for, and it matters for tax in many places, because labor and materials are often taxed differently.

Line typeHow to show itExample
Hourly laborHours as the quantity, hourly rate as the rateLabor: demolition and prep, 16 h × $65
Fixed-price laborQuantity 1, the agreed priceInstall vanity and toilet, $450
MaterialsPer item, or one line for the packagePorcelain tile, 120 sq ft × $6.50
FeesTheir own linesPermit fee, dumpster rental, call-out

If you mark up materials, decide upfront whether you show the markup or include it in the price, and keep it consistent with your quote.

Contractor invoice example

A remodeling contractor's final invoice for a bathroom, with a deposit already paid and one approved change order:

Ridgeline Builders LLC
2100 S Lamar Blvd, Austin, TX 78704
(512) 555-0142 · [email protected]
License #: RB-12345

INVOICE

# 1189

Bill To:

Karen Mitchell
7 Willow Creek Dr, Austin, TX 78745

Date:
Nov 6, 2026
Payment Terms:
Net 15
Due Date:
Nov 21, 2026
Quote #:
Q-0412
ItemQuantityRateAmount
Labor: demolition and prep (hours)16$65.00$1,040.00
Labor: tile installation, floor and shower (hours)24$65.00$1,560.00
Porcelain tile and setting materials (sq ft)120$6.50$780.00
Install vanity, toilet and shower valve1$450.00$450.00
Change order #1: add recessed shower niche1$350.00$350.00

Notes:

Job site: 7 Willow Creek Dr, Austin. Deposit of $1,500.00 received Oct 12. 1-year workmanship warranty. Pay by check, bank transfer or card.

Subtotal:
$4,180.00
Total:
$4,180.00
Amount Paid:
$1,500.00
Balance Due:
$2,680.00
An example contractor invoice made with invoices.net. Names, license and details are made up.

Deposits and change orders

Deposits. Asking for a deposit before ordering materials is standard. Put the amount in your written quote or contract, and show it on the final invoice as Amount Paid, as in the example. Some places limit deposits on home improvement work. California, for example, caps them at 10% of the contract price or $1,000, whichever is less. Check the rules where you work.

Change orders. When the client asks for extra work, write a change order with the price and get it approved in writing before you do it. On the invoice, add each approved change order as its own line with its number. That way there's never a surprise on the final bill.

Start with a quote or estimate, and use a work order to describe the job for your crew.

Progress billing and retainage

On bigger jobs, invoice in stages as the work is completed instead of waiting until the end. A common schedule:

  1. Deposit on signing

    To order materials and book the job.

  2. Progress invoices at milestones

    For example after demolition, after rough-in, after drywall. Each invoice describes the stage, for example "Stage 2 of 4: rough-in plumbing and electrical, 30% of contract", and lists payments received so far.

  3. Final invoice at completion

    The last stage plus any change orders, less everything already paid. Many clients pay the final invoice after a walkthrough.

Retainage, common on commercial projects, is a percentage of each payment, often 5% to 10%, that the client holds back until the whole project is accepted. Show the retainage withheld on each progress invoice, then invoice the total retainage at the end.

Frequently asked questions

What should a contractor invoice include?

Your business name, contact details and license number if you have one, the client's name, the job site address, an invoice number and date, separate lines for labor and materials, any change orders, deposits already paid, the balance due, the due date and how to pay.

Should I list labor and materials separately?

Yes. Separate lines make the invoice easier for the client to check, and in many places labor and materials are taxed differently. Show labor as hours × rate or a fixed price, and materials as items or a single total, as agreed in your quote.

How much deposit can a contractor ask for?

It depends on the job and on local law. Some places cap deposits on home improvement jobs, for example California limits them to 10% of the contract price or $1,000, whichever is less. Check the rules for your state or country, and put the deposit in your written agreement.

What is progress billing?

Progress billing means invoicing in stages as the work is completed, for example after demolition, after rough-in and at completion, instead of one invoice at the end. Each invoice shows the work done in that stage and what has already been paid.

What is retainage?

Retainage is a percentage of each payment, often 5% to 10%, that the client holds back until the whole project is finished and accepted. It is common on commercial construction. Show it on each progress invoice so both sides can track the amount held back.

How do I invoice for a change order?

Add the approved change order as its own line, with its number and description, for example "Change order #1: add shower niche". Only invoice change orders the client has approved in writing.

Do I charge sales tax on a contractor invoice?

It depends on where you work and the type of job. Some states and countries tax materials, some tax labor, and some treat contractors as the end consumer of materials. Check your local rules or ask an accountant.

Can I send contractor invoices from my phone?

Yes. invoices.net works in your phone's browser, so you can write the invoice at the job site, download the PDF or email it to the client before you leave.

Related guides