--- title: Construction Demand Letter Template: Get Paid Before You File a Lien slug: construction-demand-letter-template description: Use this construction demand letter template to demand payment before filing a mechanics lien. Written for subcontractors by LienFlash. published: 2026-08-05T10:36:21.450Z updated: 2026-08-05T10:36:21.450Z canonical: https://lienflash.app/blog/construction-demand-letter-template author: Grant Larsen publisher: LienFlash --- # Construction Demand Letter Template: Get Paid Before You File a Lien Last updated: July 2025 A construction demand letter is a formal written notice sent to a non-paying owner, GC, or customer demanding payment of a specific dollar amount by a hard deadline — typically 10 to 14 days — before you escalate to a mechanics lien or litigation. It is not a legal filing; it requires no court, no attorney, and no fee to send. But it carries serious weight: most owners and GCs will pay a legitimate invoice when they receive a written demand that signals you know your lien rights and are prepared to use them. No statute requires you to send a demand letter before filing a lien in most states, but skipping it leaves money on the table — a well-timed letter resolves a large percentage of disputed invoices without the cost or paperwork of a lien. ## What Should a Construction Demand Letter Include? A construction demand letter must include seven elements: your name and company, the property address, the contract amount, the unpaid balance, a specific payment deadline, a statement of your intent to file a mechanics lien, and your contact information. Leave nothing vague. Vague letters get ignored. Here is the full list of what belongs in every demand letter you send: 1. **Your legal business name and address** — Use the exact name on your contract, not a nickname or DBA that doesn't match. 2. **Date of the letter** — This establishes your timeline if you end up in court. 3. **Recipient's full name and address** — Send to the property owner AND the GC if you're a sub. Sending to only the GC when the owner is the one withholding funds is a common mistake. 4. **Project name and property address** — Include the street address and, if available, the parcel or permit number. 5. **Contract reference** — Date of your contract or purchase order, and the total contracted amount. 6. **Itemized unpaid balance** — Break it down: original contract amount, approved change orders, payments received to date, balance owed. A single lump-sum number invites dispute. 7. **Payment deadline** — Give a specific date, not "within two weeks." Ten to fourteen days from the letter date is standard and gives the recipient enough time to cut a check without letting them stall indefinitely. 8. **Lien rights statement** — State plainly that you have served or are prepared to serve a preliminary notice (if required in your state), and that you will file a mechanics lien against the property if payment is not received by the deadline. 9. **Your signature and contact info** — Include a phone number and email so they can actually pay you. ## What Does a Construction Demand Letter Template Look Like? Below is a fill-in-the-blank demand letter template you can use immediately. Replace all bracketed fields with your actual project information. --- **[YOUR COMPANY NAME]** [Your Address] [City, State, ZIP] [Your Phone] | [Your Email] **Date:** [Month Day, Year] **To:** [Property Owner Full Name or Company Name] [Owner Address] [City, State, ZIP] **AND** [General Contractor Full Name or Company Name] [GC Address] [City, State, ZIP] **Re: Formal Demand for Payment — [Project Name], [Property Address]** Dear [Owner Name] and [GC Name]: This letter is a formal demand for payment of **$[AMOUNT OWED]**, currently due and unpaid under our contract dated **[CONTRACT DATE]** for work performed at **[PROPERTY ADDRESS]**. **Account Summary:** | | | |---|---| | Original contract amount | $[ORIGINAL CONTRACT] | | Approved change orders | $[CHANGE ORDER TOTAL] | | Total contract value | $[TOTAL CONTRACT VALUE] | | Payments received to date | $[PAYMENTS RECEIVED] | | **Balance due and owing** | **$[BALANCE DUE]** | Work was substantially completed on **[COMPLETION DATE]**. Our last invoice, dated **[INVOICE DATE]**, remains unpaid as of the date of this letter. No written dispute of this invoice has been received. We have performed all work required under our contract in a good and workmanlike manner. We are entitled to payment in full. **Demand:** Payment of **$[BALANCE DUE]** in full must be received by **[DEADLINE DATE — 10-14 days from letter date]**. Payment may be made by [check/ACH/wire — specify your preferred method and provide instructions]. **Notice of Lien Rights:** We have preserved our mechanics lien rights on this project. If payment in full is not received by the deadline above, we will file a mechanics lien against the property located at **[PROPERTY ADDRESS]** without further notice. A recorded mechanics lien becomes a cloud on title and must be resolved before the property can be sold or refinanced. We prefer to resolve this without further action. Please contact [YOUR NAME] at [YOUR PHONE] or [YOUR EMAIL] to arrange payment. Sincerely, [YOUR SIGNATURE] [YOUR PRINTED NAME] [YOUR TITLE] [YOUR COMPANY NAME] --- Send this letter via USPS Certified Mail with a Certificate of Mailing. That gives you dated, trackable proof of delivery — the same standard that most states require for preliminary notices and lien documents. ## When Should You Send a Demand Letter? Send the demand letter as soon as a payment is 30 days past the due date on your invoice — not 90 days out, not after three polite follow-up emails have gone nowhere. According to Rabbet's 2024 Construction Payments Report, 82% of contractors face payment waits of over 30 days, up from 49% just two years earlier. Waiting longer doesn't increase your chances of getting paid; it reduces them. The longer an invoice sits unpaid, the more likely the GC or owner is cash-flowing your money into another project. The timeline that works: - **Day 0:** Invoice submitted - **Day 30:** Payment due (per your contract or state prompt payment statute) - **Day 31–35:** Send one brief follow-up call or email as a courtesy - **Day 37–45:** If still unpaid, send the demand letter via Certified Mail - **Day 45–52:** Deadline in the letter hits. If no payment, file the lien. Do not let the deadline in your letter pass without acting. A demand letter you don't follow through on tells the other party you're bluffing. ## Does a Demand Letter Work? Or Should You Just File the Lien? A demand letter works on the vast majority of non-paying jobs because it costs the owner or GC more to fight a lien than to pay your invoice. That calculus changes when the dispute is genuine, the GC is bankrupt, or the owner is a serial bad actor — in those cases, file the lien immediately. A recorded mechanics lien is a powerful tool. It attaches to the property's title and can block a sale or refinancing. But filing a lien has costs: it takes time, requires precise compliance with state statutes, and can strain a business relationship you'd prefer to keep. A demand letter gets you most of the leverage for almost none of the cost. Send the letter first. If the deadline passes without payment or a credible payment plan, file the lien the next business day. Don't extend the deadline. Don't send a second demand letter. Act. ## How Does a Demand Letter Interact with Mechanics Lien Rights? A demand letter is separate from your lien rights — it does not preserve them, and sending one does not substitute for a preliminary notice. Your lien rights are governed entirely by state statute, and the clock starts running the day you first furnish labor or materials. This is the part most subcontractors get wrong. They focus on the demand letter and let the prelim notice deadline slip. In states like California, Florida, Arizona, Nevada, Washington, and Oregon, missing the preliminary notice window can completely bar your lien rights — meaning even a perfect demand letter won't help you if you can't back it up with a lien. [lien deadline calculator](/tools/lien-deadline-calculator) Know your state's deadlines before you need them. In California, the 20-day preliminary notice must be served within 20 days of first furnishing under [Cal. Civ. Code § 8200](https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=CIV§ionNum=8200.) — late service limits protection to only the 20 days before service. In Florida, a Notice to Owner must be served before the lienor's last furnishing of labor or materials and no later than 45 days after first furnishing under [Fla. Stat. § 713.06](https://www.leg.state.fl.us/Statutes/index.cfm?App_mode=Display_Statute&Search_String=&URL=0700-0799/0713/Sections/0713.06.html)(2)(c). Missing that window is a complete bar to lien rights on private projects. [lien deadline directory](/deadlines) The demand letter is the stick you wave. The preliminary notice is the foundation that makes the stick real. ## How Should You Send a Construction Demand Letter? Send the demand letter via USPS Certified Mail with a Certificate of Mailing, and keep a copy of everything. Email alone is not enough. Here is why: if the recipient later claims they never received it, or if you end up in court, you need dated proof of delivery. USPS Certified Mail gives you a tracking number, a delivery confirmation, and a timestamped Certificate of Mailing. USPS Certified Mail costs $4.85 as the base service fee in 2026, per USPS Notice 123, plus standard postage — under $10 total for a document that protects a $15,000 to $100,000+ receivable. Send it to: - The property owner (required) - The general contractor (required if you're a sub) - The construction lender (recommended if one exists — they want to know about payment disputes) Keep a copy of the signed letter, the Certified Mail receipt, and the delivery confirmation. Store them with your project file. ## What Tone Should a Demand Letter Use? Keep the tone professional, factual, and firm. No anger, no threats beyond the legal action you're actually prepared to take, and no emotional language about how hard your crew worked. Anger reads as desperation. Desperation signals that you might fold. State the facts, state the amount, state the deadline, state the consequence. That's it. What not to write: - "I can't believe you haven't paid us after everything we've done for this project." - "We will pursue every legal option available to us including lawsuits, liens, and any other remedies." (Too vague and sounds like a bluff.) - "We are very disappointed with how this has been handled." What to write instead: - "Payment of $[X] in full is required by [DATE]." - "If payment is not received by this date, we will file a mechanics lien against the property without further notice." Professional and specific. That combination is what gets invoices paid. ## What If the GC Claims the Owner Hasn't Paid Them? "The owner hasn't paid us yet" is the single most common reason GCs give subs for non-payment. It is sometimes true. It is also often used as a cash management strategy — and it is not your legal problem. In most states, a subcontractor's right to payment from the GC is not conditioned on the owner paying the GC first. "Pay-if-paid" clauses in subcontracts attempt to shift that risk to subs, but their enforceability varies significantly by state. "Pay-when-paid" clauses — which delay payment timing but don't eliminate the obligation — are more broadly enforceable. Check your subcontract for these clauses before sending your demand letter. If the contract contains a pay-if-paid clause, consult an attorney before proceeding. If it's pay-when-paid or silent on the issue, your right to payment from the GC likely exists regardless of the owner's payment status — send the letter. According to Rabbet's 2024 Construction Payments Report, slow payments cost the U.S. construction industry an estimated $280 billion in 2024, adding roughly 14% to total construction spending. That cost is being absorbed disproportionately by subcontractors who are waiting on upstream payments they are legally entitled to collect. ## What Happens After You Send the Demand Letter? One of three things happens after you send a demand letter: they pay in full, they offer a partial payment or payment plan, or they ignore it entirely. **If they pay in full:** Get it in writing before you release any lien rights. A check that clears is better than a promise. **If they offer a payment plan:** Get the plan in writing, signed by both parties. Include an acceleration clause — if they miss any installment, the full balance becomes immediately due. Do not agree to a payment plan that pushes your lien deadline past the state statute window. If the lien deadline is approaching, file the lien anyway and note in the agreement that you'll release it upon final payment. **If they ignore the letter:** File the lien on the deadline date stated in your letter. No second letter. No extension. File. [Florida lien resources](/resources/florida-notice-to-owner) --- ## Frequently Asked Questions ### Is a demand letter legally required before filing a mechanics lien? No. In most states, you are not required to send a demand letter before filing a mechanics lien. The lien is a statutory right — you can file as soon as your preliminary notice requirements are met and a payment is overdue. The demand letter is a practical tool to get paid faster and preserve business relationships, not a legal prerequisite. ### How much money should I threaten in a demand letter? Demand exactly what you are owed — the unpaid invoice balance including approved change orders. Do not inflate the number hoping to negotiate down; that can undermine your credibility and potentially expose you to claims of bad faith. If you have legitimate retainage withheld, include that separately and note when it is due. ### Can I write a demand letter myself or do I need an attorney? You can write a demand letter yourself using the template in this article. An attorney is not required for a pre-lien demand letter. If the amount owed is over $50,000, the contract contains unusual clauses, or the other party has countered with a dispute claim, involving an attorney makes sense. For straightforward unpaid invoices, a well-written demand letter you send yourself works. ### What is the difference between a demand letter and a preliminary notice? A demand letter is an informal written demand for payment you create and send yourself. A preliminary notice is a statutory document that preserves your mechanics lien rights under state law, must comply with specific formatting and delivery requirements, and must be served within a strict deadline after you first furnish labor or materials. The demand letter has no statutory basis; the preliminary notice does. You need both, and the preliminary notice must come first — you cannot file a valid lien if you missed the preliminary notice window. ### How long should I give the other party to respond to a demand letter? Ten to fourteen days from the date of the letter is the standard range. Shorter than 10 days looks unreasonable and may be ignored. Longer than 14 days gives the recipient too much time to stall while your lien deadline approaches. Set a specific calendar date, not a relative timeframe like "within two weeks." ### Should I send a demand letter to the owner or the GC? Send it to both. As a subcontractor, your contract is with the GC, but the property owner has the most to lose from a recorded lien — it clouds their title. Sending the letter to both parties creates pressure at two points in the payment chain. Send each copy via separate Certified Mail with its own tracking number. ### What if the GC disputes the invoice amount in response to my demand letter? Get the dispute in writing immediately. Ask them to specify exactly what they are disputing and why. If the dispute is legitimate, negotiate. If it appears manufactured to avoid payment, document everything and move forward with your lien filing for the undisputed amount — in most states, you can file a lien for the full claimed balance and let the court sort out disputed amounts, as long as your claim is made in good faith. ### Does sending a demand letter restart the clock on my lien deadline? No. Sending a demand letter has no effect on your mechanics lien deadline. State lien deadlines are set by statute and run from specific project milestones — your last day of furnishing labor or materials, the date of project completion, or the recording of a Notice of Completion. None of those clocks are affected by correspondence you send. Know your lien deadline independently of your demand letter timeline. --- ## Protect Your Lien Rights Today A demand letter gets you paid faster. But it only has teeth if your lien rights are intact. If you haven't served your preliminary notice yet — or if you're not sure whether you're inside the deadline — check right now. LienFlash files attorney-reviewed preliminary notices via USPS Certified Mail in under two minutes, for $24.99 per notice. If you're working multiple jobs, the Pro plan covers three notices a month plus deadline alerts for $49/month. Don't let a missed notice deadline turn a collectible invoice into a write-off. [Sign up and file your first notice at /signup] --- Source: https://lienflash.app/blog/construction-demand-letter-template Author: Grant Larsen, President, LienFlash Publisher: LienFlash (https://lienflash.app)