Protect Your Next Job.
    Get Paid on the Last One.

    Lock in your lien rights with a 2-minute preliminary notice. Already owed and getting stonewalled? Send an attorney-vetted demand letter — certified mail, same day.

    Starting a job?Preview free · $24.99 only when you mail
    Owed money?Preview free · $79 only when you mail
    USPS Certified MailDeadline Tracking100% State CompliantAttorney-Reviewed Documents
    LienFlash
    Scanning Invoice
    Invoice #4782
    02/16/2026
    $15,200
    Processing...
    FL
    TX
    CA

    Notice Sent

    $15,200 Protected

    20-Day Deadline Tracked

    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 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.
    The same 2-minute process sends demand letters too — for the jobs where you're already owed.
    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.

    You Handle Step One

    Three steps. You handle step one.
    We handle the rest.

    Enter the job. Review the notice. We handle the rest — certified mail, tracking, and proof of delivery.

    Step 1Takes 2 min

    Enter Your Job Details

    Enter the property, owner, job amount, and start date. We prepare the right notice and calculate the deadline automatically.

    Property Address__________
    Owner Name__________
    First Day on Site__ /__ /__
    Contract Amount$________
    Step 2Takes 5 sec

    Review Your Notice

    Your notice is generated for the right state and checked before mailing. Review it once and approve it.

    WARNING! FLORIDA'S CONSTRUCTION LIEN LAW ALLOWS SOME UNPAID CONTRACTORS, SUBCONTRACTORS, AND MATERIAL SUPPLIERS TO ASSERT CLAIMS…
    Address Verified · Deadline tracked
    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
    Notice to Owner · Sent via USPS Certified Mail
    Tracking: USPS Certified · Status: In Transit

    Demand letters follow the same three steps — details in, preview, we mail it certified.

    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.

    Filed in Under 2 Minutes

    Enter your job details, we generate the notice and mail it.

    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
    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

    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.

    Already owed the money? A $79 demand letter is the cheapest serious move between an unpaid invoice and a lawyer. Send one →
    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.

    Starting a job?
    Owed money?

    No subscription required to file

    USPS Certified MailAttorney-Reviewed100% State CompliantMoney-Back Guarantee