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Alaska Mechanics Lien Guide & FAQs

Last updated February 27, 2024
If contractors and suppliers don’t get paid on a construction project in Alaska, they can file a mechanics lien to secure payment. A mechanics lien is a legal tool that provides the unpaid party with a security interest in the property. This page breaks down the rules, requirements, and deadlines you need to follow to file an Alaska mechanics lien.


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Alaska lien & notice deadlines for:

Preliminary notice requirements
Before Work

In Alaska, a Notice of Lien Rights may be served on owner & filed before providing labor or materials. This extends lien recording time and transfers the burden of proof to the owner.

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Mechanics lien deadline
120 Days

Generally, Alaska requires a mechanics lien to be filed within 120 days after actual completion of the contract or last day of furnishing labor or materials.

However, if the property owner files a Notice of Completion, it cuts the lien deadline to 15 days after that Notice. If a claimant files a Notice of Right to Lien with the county recorder at any point during the project and before the 15 day deadline, the filing deadline is reset to 120 days.

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Lien enforcement deadline
6 Months

Under Alaska law, a claimant must act to enforce their mechanics lien within 6 months after the date the Claim of Lien was recorded.

However, Alaska allows a lien to be extended for an additional 6 months if a Notice of Extension is recorded in the same recording office as the original lien within the original 6-month period.