A mechanics lien filed one day past the deadline is worthless. A lien waiver collected without knowing the deadline is a guess. And a GC who tracks lien deadlines with a spreadsheet across three states is gambling with six-figure exposure.

Lien deadline by state rules create one of the most complex compliance challenges in construction. Filing windows range from 60 days in Ohio to 12 months in Louisiana. Trigger dates vary between last day of work, project completion, and notice of completion recording. Some states count calendar days. Others count business days.

In 2025, 28% of mechanics lien claims were dismissed on procedural grounds, with missed deadlines accounting for the majority of dismissals. For GCs, this means nearly one in three liens filed against your projects might be invalid. But you will never know unless you track the deadlines.

This guide maps lien deadline by state requirements across all 50 states and gives GCs the tools to manage deadline compliance at scale.

Why Lien Deadlines Matter to GCs

GCs care about lien deadlines from two directions.

Offensive: When you are owed money, knowing the deadline ensures your own lien rights are preserved.

Defensive: When subs and suppliers file liens against your projects, knowing the deadline tells you whether the filing is valid. A late filing is an invalid filing, and you can petition for its removal.

GC Perspective	Why Deadlines Matter
Protecting your own lien rights	Missing the deadline means losing your right to lien the property
Evaluating sub/supplier lien filings	Late filings can be challenged and removed
Managing lien exposure windows	Knowing when deadlines expire tells you when your risk drops
Planning waiver collection	Waiver timing must align with payment and deadline cycles
Project closeout	Recording notice of completion triggers deadline clocks

Lien Deadline by State: Complete Reference Table

This table covers the filing deadline for mechanics liens in all 50 states. Deadlines are measured from the trigger date specified for each state.

State	Filing Deadline	Trigger Date	Preliminary Notice Required
Alabama	6 months	Last furnishing	No
Alaska	120 days	Last furnishing	No
Arizona	120 days	Completion of work	Yes (20 days)
Arkansas	120 days	Last furnishing	No
California	90 days	Notice of completion or cessation	Yes (20 days)
Colorado	4 months	Last furnishing	No (but notice of intent required)
Connecticut	90 days	Last furnishing	No
Delaware	30 days	Completion of work	No
Florida	90 days	Last furnishing	Yes (45 days)
Georgia	90 days	Completion or last furnishing	Materialmen only (30 days)
Hawaii	45 days	Completion of improvement	No
Idaho	90 days	Completion of work	No
Illinois	4 months	Completion of work	No (sub-subs: 60-day notice)
Indiana	90 days	Last furnishing	No
Iowa	90 days	Last furnishing	Yes (30 days for subs)
Kansas	5 months	Last furnishing	No
Kentucky	6 months	Last furnishing	No
Louisiana	12 months	Filing of notice of contract	Yes (notice of contract)
Maine	90 days	Last furnishing	No
Maryland	180 days	Last furnishing	Yes (varies)
Massachusetts	90 days	Last furnishing	Yes (60-day notice of identification)
Michigan	90 days	Last furnishing	Yes (20 days)
Minnesota	120 days	Last furnishing	Yes (45 days)
Mississippi	12 months	Last furnishing	Yes (30 days for subs)
Missouri	6 months	Last furnishing	No
Montana	90 days	Completion of work	Yes (20 days)
Nebraska	120 days	Last furnishing	No
Nevada	90 days	Completion or notice of completion	Yes (31 days)
New Hampshire	120 days	Last furnishing	No
New Jersey	90 days	Last furnishing	No
New Mexico	120 days	Last furnishing	No
New York	8 months	Last furnishing	No
North Carolina	120 days	Last furnishing	Yes (notice of lien rights)
North Dakota	3 months	Last furnishing	No
Ohio	60-75 days	Last furnishing	Yes (residential, 21 days)
Oklahoma	4 months	Last furnishing	Yes (75 days)
Oregon	75 days	Completion of construction	Yes (8 business days)
Pennsylvania	6 months	Completion of work	No
Rhode Island	200 days	Last furnishing	No
South Carolina	90 days	Completion of work	No
South Dakota	120 days	Last furnishing	No
Tennessee	90 days	Completion of improvement	Yes (30 days for subs)
Texas	Varies (15th day of 3rd/4th month)	Last furnishing	Yes (varies by tier)
Utah	180 days	Last furnishing	Yes (20 days)
Vermont	180 days	Last furnishing	No
Virginia	90 days	Last furnishing or completion	Yes (varies)
Washington	90 days	Completion or cessation	Yes (60 days)
West Virginia	100 days	Last furnishing	No
Wisconsin	6 months	Last furnishing	No
Wyoming	150 days	Last furnishing	No

Understanding Trigger Dates

The filing deadline is meaningless without understanding what triggers it. States use different trigger dates, and confusing them can cause you to miss a deadline or miscalculate your exposure.

Last furnishing: The last day the claimant provided labor, materials, or services to the project. This is the most common trigger date. Minor punch-list work or warranty repairs generally do not count.

Completion of work: The date the overall project is completed, not just the claimant's work. This date may be determined by substantial completion, final inspection, or owner acceptance.

Notice of completion: The date the owner records a formal notice of completion with the county recorder. In California and Nevada, this triggers shorter deadlines than actual completion.

Notice of cessation: The date work stops for a continuous period (typically 30 or 60 days). This may trigger deadlines even if the project is not complete.

Trigger Type	States Using This Trigger	GC Consideration
Last furnishing	35+ states	Track last work date for each sub/supplier
Completion of work	10+ states	Define completion criteria in contracts
Notice of completion	CA, NV, and others	Record promptly to start deadline clock
Notice of cessation	CA, NV	Monitor for work stoppages

How to Calculate Lien Exposure Windows

Your lien exposure window is the period between when a sub completes work and when their filing deadline expires. During this window, they can file a valid lien.

Exposure calculation formula:

Exposure Window = Filing Deadline - Days Since Trigger Event

Example (California):

Electrical sub completes work on March 1.
Owner records notice of completion on March 15.
Filing deadline: 90 days from March 15 = June 13.
Exposure window: March 1 to June 13 (104 days).

Example (New York):

Plumbing sub completes work on March 1.
Filing deadline: 8 months from last furnishing = November 1.
Exposure window: March 1 to November 1 (245 days).

The difference between a 90-day California window and an 8-month New York window is enormous. In New York, you carry lien exposure for more than six months longer per sub.

Building a Lien Deadline Tracking System

Manual tracking fails beyond five concurrent projects. Here is the framework for scalable deadline management.

Data required per subcontractor per project:

Field	Purpose
Sub name and tier	Identify the potential claimant
First furnishing date	Start of preliminary notice window
Last furnishing date	Trigger for filing deadline
Preliminary notice sent (Y/N/date)	Determines if lien rights are preserved
State-specific filing deadline	Calculated from trigger date
Lien waivers collected (by period)	Track which amounts are waived
Payment status	Identify potential dispute triggers
Final waiver collected (Y/N)	Confirms lien rights fully released

Alert schedule:

Alert	Timing	Action
Sub completes work	At completion	Log last furnishing date, calculate deadline
60 days before deadline	Proactive	Verify payment and waiver status
30 days before deadline	Urgent	Escalate any unpaid amounts
7 days before deadline	Critical	Final check, legal review if exposure remains
Deadline expires	Resolution	Confirm deadline passed, update risk register

Frequently Asked Questions

Can a subcontractor extend a lien deadline by performing minor work? Courts scrutinize whether late-stage work was performed in good faith to extend the deadline (called "tacking"). Minor punch-list items or warranty work generally do not extend deadlines. However, legitimate work requested by the GC or owner may qualify.

What happens if a sub files a lien after the deadline? The lien is invalid and can be removed through a petition to the court. However, the lien remains in public records until formally released, creating a cloud on title that requires legal action to clear.

Does recording a notice of completion always shorten the deadline? In states that use notice of completion as a trigger (California, Nevada), recording shortens the deadline. In states that use last furnishing as the trigger, recording a notice of completion has no effect on the filing deadline.

How do lien deadlines work on multi-phase projects? Each phase may have its own completion date and deadline calculations. GCs should track deadlines by phase, not just by project. A sub who works on Phase 1 and Phase 3 may have different deadlines for each phase.

Are there different deadlines for residential vs. commercial projects? Yes, in some states. Ohio, for example, has different preliminary notice requirements for residential projects. Florida has different requirements based on project value. Always verify state-specific rules for your project type.

Can technology automate lien deadline calculations? Yes. Compliance platforms that maintain state-specific rule sets auto-calculate deadlines from project milestone dates. This eliminates manual calculation errors, which account for 15% of deadline-related compliance failures.

Never miss a lien deadline again. SubcontractorAudit calculates state-specific deadlines automatically and alerts you before exposure windows close. Try the lien deadline calculator →