You Did the Work. Get Paid for It.

    Owed money on a job? Send a formal demand letter citing your state's lien law — mailed certified, with proof. Starting a job? Protect it from day one.

    Owed money on a job?Preview free · $79 only when you mail
    Starting a job?Free to check · $24.99 only when you mail
    USPS Certified MailTracking + Certificate of MailingStatute-Cited DocumentsAttorney-Reviewed FormsPreview Free Before You Pay
    LienFlash
    Scanning Invoice
    Invoice #4782
    02/16/2026
    $15,200
    Processing...
    FL
    TX
    CA

    Notice Sent

    $15,200 Protected

    20-Day Deadline Tracked

    Choose your next move

    Which one is you right now?

    Already owed money?

    You did the work. They haven't paid.

    A formal demand letter citing your state's lien law, mailed USPS Certified with tracking and a Certificate of Mailing.

    $79 · Preview free before anything mails

    Send My Demand Letter

    Starting a new job?

    Protect it before there's a problem.

    File your preliminary notice in the first days of the job and keep your lien rights alive for the whole thing.

    $24.99 · $39.99 in Texas · Preview free

    Protect a New Job

    Not sure where you stand? Check your deadline free — no signup →

    256-bit SSL EncryptedPayments by StripeUSPS Certified MailAttorney-ReviewedBBB Listed BusinessMoney-Back Guarantee
    The Old Way Is the Risk

    This used to take half a day.
    Now it takes 2 minutes.

    The same 2-minute process sends demand letters too — for the jobs where you're already owed.
    The Old Process
    • Drive to the post office. Fill out forms by hand.
    • Wait in line. Hope you addressed it correctly.
    • Lose the receipt. Miss the deadline.
    • Miss the deadline. Lose your lien rights.
    Attorney-VettedThe LienFlash Process
    • Enter the job in one short form — right from your phone.
    • State-compliant forms, ready in seconds.
    • We mail it USPS Certified with live tracking.
    • Your rights. Protected. Permanently on record.
    Free Check · 10 Seconds

    Are your current jobs protected?

    Find out if you've already lost your lien rights. Takes 10 seconds.

    Example: The first day you delivered materials or stepped on site.

    Built for the Moment Payment Stalls

    Tell us what's owed. Preview the letter.
    We mail it certified.

    Give us the details. Review your formal demand. We handle the certified mail, tracking, and proof it was sent.

    Details in. Preview free. We mail it certified.

    Step 1About 2 minutes

    Tell Us Who Owes You

    Job address, who hired you, what's owed. About two minutes.

    Job Address__________
    Who Hired You__________
    Amount Owed$________
    Payment Due__ /__ /__
    Step 2Preview Free

    We Build Your Formal Demand

    Your letter cites your state's lien law and states what's owed and by when. You preview it free before anything happens.

    FORMAL DEMAND LETTER · YOUR STATE'S LIEN LAW CITED
    What's Owed · Due Date Stated
    Step 3We Do It

    We Mail It USPS Certified

    We print it, mail it USPS Certified, and save your tracking number and Certificate of Mailing to your dashboard.

    LienFlash Certified Mailing Record
    Formal Demand Letter · Sent via USPS Certified Mail
    Tracking: USPS Certified · Status: In Transit
    Built for Compliance

    Why Contractors Trust LienFlash

    Attorney-Reviewed Templates

    Every notice template verified against official state statute text.

    8-State Coverage

    Florida, California, Arizona, Nevada, Washington, Oregon, New Mexico, and Texas.

    Preview Free Before You Pay

    Review your document before paying for certified mailing.

    USPS Certified Mail + Tracking

    Sent via USPS Certified Mail. Real-time tracking included.

    Certificate of Mailing

    Formal proof-of-service PDF with USPS tracking and QR code.

    Money-Back Guarantee

    Full refund if your notice or demand letter isn't mailed within 24 hours.

    No Hidden Fees

    Protect every job. Pay only for what you use.

    No hidden fees. Pay only when you protect a job.

    The Traditional Alternative
    Hiring a Construction Attorney
    $200+ per notice • 3–5 business days • Retainer required
    LienFlash does the same legal work — automated, in under 2 minutes, starting at $24.99.
    One-Off Job
    Pay Per Notice
    $24.99 / notice
    • USPS Certified Mail included
    • Attorney-vetted state template
    • Real-time USPS tracking
    $24.99 per notice — pay only when you file
    Most Popular
    Pro Monthly
    Always Protected
    $49 / month
    • 3 notices per month included
    • Discounted $15 overage rate
    • Deadline Watchdog Alerts
    As low as $15/notice when you file 4+ per month
    Pro Annual
    Full Season
    $399 / year
    • Everything in Pro Monthly
    • Save 20% ($399/yr vs $588/yr)
    • 36 notices per year included
    Effective rate: $11.08 per notice — save 55% vs One-Off

    “Notice worked, I got paid.”

    Florida contractor · Verified outcome, July 2026
    Already owed on a job? Demand letters are $79 flat — same certified mail, preview free. See full pricing →

    See full pricing and state coverage details →

    Do the Math

    The Cost of Missing One Deadline

    $15,000–$25,000
    Average construction payment dispute, per job
    $399/yr
    LienFlash Pro Annual
    37+ years
    One prevented mistake pays for this much LienFlash
    Risk Exposure Calculator
    Already owed the money? A $79 demand letter is the cheapest serious move between an unpaid invoice and a lawyer. Send one →

    What's Your Job Worth?

    See the real cost of skipping your preliminary notice.

    Your Risk Exposure
    $10,000
    Cost to Protect
    $24.99

    Protect your hard work for less than 0.25% of the job value.

    Answers

    Frequently Asked Questions

    Quick answers to what subcontractors ask before sending their first notice.

    Most users complete and mail their state-compliant preliminary notice in under 2 minutes. LienFlash sends it via USPS Certified Mail with Return Receipt the same business day.

    You Did The Work.
    Make Sure You Get Paid.

    Built for the contractors, subs, and suppliers who did the work — and intend to get paid for it.

    Owed money?
    Starting a job?

    No subscription required to file

    USPS Certified MailTracking + Certificate of MailingStatute-Cited DocumentsAttorney-Reviewed FormsPreview Free Before You Pay