You sent the invoice three weeks ago. You followed up. You called. You texted. Nothing. The client who was texting you daily during the job has vanished. This is one of the most common ways contractors lose money, and there is a clear sequence that works to break the silence.
Why Clients Go Silent After an Invoice
Silence almost always means one of four things. Knowing which one you are dealing with changes how you respond.
- They cannot pay right now and are too embarrassed to say so
- They have a complaint about the work and are working up to a dispute
- They are stalling on purpose, hoping you will give up or discount the bill
- The invoice genuinely got lost in their inbox or with a bookkeeper
You do not need to guess which one it is. The next few steps flush out the real reason and force a response. If the client has come back and raised a dispute after the work was done, that’s a different conversation.
The First 72 Hours: One Clean Follow-Up
Once an invoice is 7 to 10 days past due with no reply, send one short follow-up by email. Keep it factual. Re-attach the invoice as a PDF so they cannot claim they never got it.
Hi [Name], following up on Invoice #1042 for $4,800, due May 7. I have not heard back and want to make sure it reached you. PDF is attached again. Can you confirm receipt and let me know the expected payment date? Thanks.
That is the whole message. No apology for following up. No softening. You are asking a professional question and expecting a professional answer.
Document Every Contact Attempt
From this point on, treat every interaction as evidence. If you end up in small claims court, the judge wants to see a clear timeline of what you sent and when.
Open a folder for this client and put the following in it:
- The signed contract or estimate, and any approved change orders
- Before, during, and after photos with timestamps
- The original invoice and any revisions
- Screenshots of every text message, including the ones they did reply to
- Copies of every email, with timestamps
- A simple log of phone calls: date, time, and what was said or left on voicemail
If the client claims later that they never received the invoice or that the work was not finished, this folder is what protects you.
Switch Channels and Force a Response
If a week passes with no reply to your email, change the channel. Some people ignore email but answer texts. Some ignore both but pick up an unknown phone number.
Try a short text the same day: "Hi [Name], sent you an email last week about Invoice #1042. Can you let me know when payment is going out?" If that goes unanswered for 48 hours, call from a number they do not have saved.
Keep every message short and neutral. Do not vent, do not threaten, do not bring up the relationship. You want a written reply that either confirms they received the invoice or admits there is a problem with it. Either answer moves you forward.
Send a Formal Letter at the 30-Day Mark
If the invoice is 30 days past due and you still have no real response, stop chasing by text. A formal written letter changes the situation entirely. It moves the dispute from a casual back-and-forth into a documented collections process.
The letter should include:
- The invoice number, original due date, and exact amount owed
- A short description of the work you completed and when
- A list of your prior contact attempts with dates
- A firm payment deadline, usually 10 to 14 days from the date of the letter
- A clear statement of what happens if the deadline passes
Send it by email and by certified mail with return receipt. The certified mail receipt is the piece a judge wants to see. It proves the client got the letter on a specific date.
Escalate If They Still Do Not Respond
If the formal letter produces nothing, the next step is a final demand letter that references small claims court in your state and the specific filing limit. This is not a threat. It is a factual statement of the remedy you have if they do not pay.
Most state small claims limits sit between $5,000 and $10,000, with filing fees of $30 to $100. You do not need an attorney to file — see how to sue a client in small claims court for the full filing walkthrough. A final demand letter that names the court and the deadline produces payment from a meaningful percentage of silent clients, because it is the first time they realize you are actually going to follow through.
When to Stop Chasing and File
At some point, more letters and more calls stop being useful. If 45 to 60 days have passed since the original due date and you have sent at least two formal letters with no payment, the next step is filing in small claims court or accepting the loss.
Writing the three letters that get you to that point is the part most contractors put off, because the wording matters and a sloppy letter undercuts your case. PaperHammer drafts all three (polite follow-up, firm demand, final demand referencing your state's small claims limit) from the details of your job. You fill in the invoice, the client, and what happened. The letters come out as a clean PDF ready to send.