LienDeadline.
Two construction workers reviewing plans at a jobsite.

Stay ahead of
the deadline.
Stay focused
on
the job.

Lien and notice deadlines, with sources and clear next steps for your project.

Find my deadline

3 free calculations50 states + DC guides

Right for your project

State, role and project details matter.

Understand the result

Review the sources and assumptions.

Know the next step

Keep deadlines and documents together.

Your tools.
One connected workflow.

Use LienDeadline with your team, your systems, and your AI agents.

QuickBooks access depends on provider approval and account setup. Zapier is a private integration; public promotion is pending.

API & automation

Connect calculations and project data to your systems.

Read API docs
A workflow, from start to next step Example
  1. 01
    Bring the project details

    State, role and the work performed.

  2. 02
    Review the result and sources

    Keep the assumptions in view.

  3. 03
    Keep the next action clear

    Organize the follow-up with your team.

AI agents

MCP and reusable skills for deadline workflows.

Connect MCP Get agent skills

Less admin. More momentum.

Less chasing dates.
More getting work done.

Keep each deadline with its project documents, so your team can see what needs attention next.

Start tracking a project

How it works

See the date.
Understand the result.

A deadline is more useful when you can see the details and sources behind it.

  1. 01

    Tell us about the job.

    Start with your state, supplier relationship, and delivery dates.

  2. 02

    Review your result.

    See the calendar-date baseline, sources and assumptions.

  3. 03

    Keep the next action in view.

    Save your project and organize the follow-up.

Deadline workspaceYour project
  1. ProjectState & type. Current step 1 of 3
  2. DetailsDelivery dates. Upcoming
  3. ResultDates & sources. Upcoming

Find your deadline

For material suppliers. Reviewed date calculations cover Florida and Kansas; other states require a state-specific review.

Next: your delivery dates and who hired you.

API capabilities

Put deadline logic where your work already happens.

Use documented REST endpoints and webhooks to connect lien calculations to an ERP or credit system. Return structured JSON, consult state-specific guidance, and automate reminder workflows through your existing systems.

Calculate a deadline

Submit invoice and project details and review the returned requirements.

Check supported states

Confirm a jurisdiction before a workflow begins.

Read state guidance

Retrieve state-specific guidance alongside your result.

Read API docsTry the API

API access is available on Automation and Enterprise plans.

Plans & pricing

Connected pricing
for lien protection.

Choose the protected work and automation capacity your team needs.

Free Connected

$0/ month

Free forever

Start Free
  • QuickBooks sync (subject to account access and setup)
  • Private Zapier connection and limited sync
  • Company and invoice preview
  • 3 protected items per month
  • No sync-back or API key access

Tracker

$49/ month

or $39/month annually

Start Tracker
  • QuickBooks sync (subject to account access and setup)
  • Private Zapier workflows
  • 10 protected items per month
  • Saved projects and deadline history
  • Email reminders and deadline monitoring
  • 2 internal users
Most popular

Automation

$149/ month

or $129/month annually

Start Automation
  • Everything in Tracker
  • Automatic Procore sync; QuickBooks subject to access and setup
  • Auto-create deadline watches from invoices and projects
  • Sync-back, private Zapier workflows, and API access
  • 100 active protected items
  • 1,000 import/API/Zapier events per month
  • 5 internal users

Enterprise

Custom

Contact sales

Contact Sales
  • Everything in Automation
  • Custom protected item limits
  • Multi-company workspaces
  • Dedicated integration playbook
  • SLA addendum options
  • Annual invoicing and rollout support

All plans include the current calculator and state guides for all 50 states + DC. QuickBooks access depends on provider approval and account setup. Zapier is a private integration; public promotion is pending.

Paid plans unlock more protected usage, reminders, sync-back, API access, Procore automation, and team workflows.

Security & trust

Clear about your data.
From access to checkout.

Review how connections, account access and payments are handled.

Encrypted connections

Protect project information as it moves between your browser and LienDeadline.

Read about security

A few things
worth knowing.

More questions? Get in touch
What states are covered?

Our state guides cover all 50 states and Washington, DC. The public supplier calculator currently provides reviewed Florida and Kansas baselines. Other states and unsupported project conditions require a state-specific review.

What happens after my free calculations?

After 3 anonymous calculations, enter your work email to unlock 7 more free calculations (10 total). After all 10, create a free account to keep calculating and save your deadlines. Upgrade when you need more protected items, integrations, and automation.

Can I cancel my subscription?

Yes. Cancel your subscription anytime with no penalties or long-term contracts.

Is this legal advice?

No. LienDeadline is a calculation tool based on state statutes. Always consult a licensed attorney for legal guidance on filing mechanics liens.

Field notes

Useful guidance for the work ahead.

Browse resources

Latest field notes

  1. Miami-Dade Notice to Owner: how to send it and meet the 45-day clock
  2. What Is a Notice of Lien?
  3. What Is a Waiver of Lien to Date?

Built for the work ahead

Your next deadline
starts here.

Start with your project. See the next step clearly.

Find my deadline

3 free calculations · 50 states + DC guides