Mechanics Lien Priority: Where You Stand When the Property Sells
A mechanics lien attached to a construction project's property is a form of security interest. Like any security interest, its practical value depends on where it sits in the priority order when the property is sold or foreclosed. A first-priority lien gets paid in full before anyone junior to it gets a dollar. A lien that ranks behind a large construction mortgage may get nothing even if the lien itself is perfectly valid.
Priority rules vary significantly by state. Some states give mechanics liens relation-back priority (relating to the start of construction, ahead of later-recorded mortgages). Some use pure race-recording rules. Some have special rules for specific types of work or specific claimants. Understanding the specific state's system determines whether a contractor's lien strategy actually produces payment when the project's property sells.
The most common priority system for mechanics liens is relation-back. Under relation-back, all mechanics liens on a project are deemed to arise on a common date — typically the commencement of visible construction, the recording of the Notice of Commencement, or the first furnishing on the project. Even liens filed months later get priority dating from that common date.
The effect is substantial. A construction lender who records a mortgage after visible construction has begun (or, in NOC states, after the NOC is recorded) takes subject to all mechanics liens — even liens from subs who hadn't started working yet when the mortgage recorded. A lender who records their mortgage before visible construction begins takes priority over all mechanics liens.
This is why construction lenders are obsessive about recording their mortgage before the contractor starts any visible work. A mortgage recorded one day before the first shovel produces a lender-first priority; the same mortgage recorded the day after produces mechanics-lien-first priority for every claimant on the project.
States vary in exactly how they implement priority:
Priority frameworks by state pattern
- Pure relation-back to commencement of construction — most common; all mechanics liens rank by the common date of visible construction beginning
- Relation-back to the Notice of Commencement — in NOC states, priority relates to NOC recording date
- Relation-back to each claimant's first furnishing — each claimant's priority dates to when they first provided labor/materials, so early subs beat later subs even among mechanics liens
- First-recorded priority — some states give priority by the date each lien was actually recorded, meaning the first-to-record gets paid first
- Hybrid — some states combine elements, with mechanics liens getting one priority date against non-construction creditors and a different priority among themselves
California, for example, uses a relation-back system where mechanics liens have priority as of commencement of work, with specific statutes governing the ranking. Florida ties priority to the Notice of Commencement. Texas has a specific statutory scheme with unique rules. New York has its own rules. Multi-state contractors can't apply a single mental model.
The most common priority contest is between a mechanics lien and a construction mortgage. The rule depends on the state's relation-back doctrine:
Typical outcomes in mechanics-lien vs mortgage priority
- Construction mortgage recorded before visible construction begins — mortgage has priority over all mechanics liens
- Construction mortgage recorded after visible construction begins — mechanics liens have priority
- Purchase money mortgage (financing the land acquisition) recorded before construction — mortgage has priority
- Refinance mortgage on an existing construction project — typically takes subject to existing mechanics liens
- Future-advance construction mortgage — complex; future advances may or may not have the original mortgage's priority depending on state law and the mortgage's specific terms
The future-advance question is particularly important on construction projects. Lenders usually advance funds in draws as the project progresses. Most states give future advances the priority of the original mortgage recording — meaning a January mortgage funds advances all year at the January priority. But some states require each advance to be recorded separately for it to retain priority, which has complex implications.
A contractor on a project should know when the construction mortgage was recorded relative to when visible construction began. That one fact largely determines whether a mechanics lien will actually produce payment in a foreclosure scenario.
Among mechanics liens themselves, priority varies more than most contractors expect. Common structures:
Priority among mechanics liens
- Equal priority — all mechanics liens share equally in available funds; each gets a pro rata share if funds are insufficient. This is the most common pattern.
- First-to-furnish priority — claimants whose work began earlier get paid before later claimants
- First-to-record priority — claimants who recorded their lien first get paid first, rewarding prompt lien filing
- Priority by tier — direct contractors paid before subs, subs paid before sub-subs, and so on
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Most US states use equal priority among mechanics liens. On a project where total mechanics liens exceed available foreclosure proceeds, each claimant gets a pro rata share based on their claim amount relative to the total. A claimant with a $100K lien in a project where $500K of liens share $200K of proceeds gets $40K (100/500 × 200).
Having a valid claim isn't enough. To have a priority position, the claimant must properly perfect the lien — file the lien within statutory deadlines, include all required information, provide required preliminary notices, and serve the required parties. A mechanics lien not properly perfected is unenforceable, regardless of the underlying claim's merits.
Perfection requirements vary by state but commonly include:
Typical lien perfection requirements
- Preliminary notice served on the required parties (owner, GC, lender) within the state's window — often 20-45 days from first furnishing
- Lien recorded in the proper county office within the statutory period — often 90-120 days from last furnishing
- Lien served on the property owner within a specific window after recording
- Lien foreclosure action filed within the statute of limitations — often 1-2 years from recording
- Specific information in the lien document — owner name, claimant name, amount, property description, dates of service
When a mechanics lien is recorded and the owner wants to clear title — for sale, refinance, or construction loan — the owner can often bond over the lien. The owner posts a bond (typically 150% of the lien amount) that substitutes for the lien as security. The lien comes off the property record; the claimant's rights shift to the bond.
From the claimant's perspective, bonding over is usually neutral to positive. The bond is typically backed by a surety, which is a more reliable counterparty than a distressed property owner. The claimant can pursue the bond directly rather than having to foreclose the lien. The tradeoff is the bond eliminates the leverage of the lien on the property transfer — the owner can transact freely.
Actually foreclosing a mechanics lien is expensive. The claimant typically has to file suit, prove the lien's validity, prove the priority position, and obtain an order of sale. The sale proceeds then distribute per the priority waterfall — senior liens first, with mechanics liens receiving whatever's left.
For a claimant whose lien is junior to a large construction mortgage that itself exceeds the property's current market value, foreclosure often produces no recovery. The claimant is paying legal fees to foreclose a lien that doesn't collect. Before foreclosing, contractors typically perform a quick economic analysis: what's the property worth, what's senior, and what's realistic recovery after foreclosure costs.
Mechanics lien priority determines whether a valid lien actually produces payment. The specific rules vary by state — relation-back to commencement of construction is most common, but states implement the concept differently. Priority against mortgages typically turns on which was recorded first relative to visible construction. Priority among mechanics liens is often equal (pro rata share of available funds). Perfection requires strict compliance with state-specific procedures, and a procedurally defective lien produces no priority regardless of the underlying claim's merits. Contractors serious about preserving lien rights understand the state's specific priority system and perfection rules before the dispute arises.
Written by
Jordan Patel
Compliance & Legal
Former corporate counsel specializing in construction contracts and tax compliance. Writes about the documentation layer — COIs, W-8/W-9, certified payroll, notice-to-owner deadlines — and the legal backbone behind audit-ready AP.
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