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Pennsylvania lien waiver requirements
Pennsylvania voids most subcontractor lien waivers signed before payment. Your waiver workflow has to follow the money.
Pennsylvania Mechanics' Lien Law of 1963, 49 P.S. §1401
The short version
Pennsylvania doesn't prescribe a statutory waiver form, but 49 P.S. §1401 has teeth. On commercial projects, any subcontractor waiver signed in advance of payment is void as against public policy. The exception is residential work, where a sub can waive lien rights by written instrument. Either way, the safe path is the same: tie every waiver to a specific payment and a specific dollar amount.
At a glance
- 49 P.S. §1401: governs lien waivers
- Commercial subs cannot waive lien rights in advance of payment
- Residential subs may waive by written instrument
- GCs file within 6 months; subs within 4 months of last work
What Pennsylvania law actually requires
49 P.S. §1401(b) declares advance waivers by commercial subcontractors void as against public policy. A waiver is only valid to the extent of payment actually received. That means a blanket waiver in a sub contract gets read against you in court.
Pennsylvania has no prescribed form. A plain-English waiver that identifies the claimant, the project, the through-date, and the dollar amount paid is the working standard. Reference the specific pay application so the scope of the release is unambiguous.
Residential vs commercial in Pennsylvania
On residential projects, a sub can waive lien rights by written instrument. Owner-occupied homes also give the owner a defense of payment if they've paid the GC in full. That changes the calculus on how aggressively you chase a waiver.
On commercial work, the defense of payment doesn't apply. Waivers must follow payment. A subcontractor who signs a waiver before the check clears can still file a lien for the unpaid amount.
Common Pennsylvania mistakes
Putting a blanket lien waiver clause in the sub contract on a commercial job. 49 P.S. §1401 voids it. Use a per-payment waiver instead.
Treating residential and commercial waivers the same way. The rules diverge, and assuming one set covers both gets you sued.
Sending an unconditional waiver before the check clears. Pennsylvania doesn't write a bold notice into the form, but the legal risk is identical to California or Texas.
Questions
Does Pennsylvania require a statutory lien waiver form?
No. 49 P.S. §1401 governs waiver enforceability but does not prescribe a form. A plain-English waiver tied to a specific payment is the working standard.
Can a Pennsylvania subcontractor waive lien rights in advance on a commercial project?
No. 49 P.S. §1401(b) voids advance waivers by subcontractors on commercial projects. Waivers are only valid to the extent of payment actually received, unless the GC has posted a payment bond.
What is the deadline to file a mechanic's lien in Pennsylvania?
General contractors have 6 months from completion of work. Subcontractors have 4 months from their last day of work and must also give 30 days' notice of intent to file.
Send a Pennsylvania waiver in two minutes.
The right form, the right notice, signed on a phone. Released when the check clears.
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