Union County, Oregon — Mechanics Lien Filing Guide

Everything you need to know about filing a mechanics lien in Union County under Oregon law — deadlines, notice requirements, and step-by-step process.

Preliminary Notice

8 days

Lien Filing Deadline

75 days

Enforcement Period

120 days

Notice Category

Preliminary

Mechanics Lien Requirements in Union County

If you've provided labor, materials, or services for a construction project in Union County,Oregon, and haven't been paid, you have the legal right to file a mechanics lien. This applies whether you're a general contractor, subcontractor, plumber, electrician, roofer, material supplier, or any other construction professional working in Union County.

All construction projects in Union County are governed by Oregon state law (OR Rev. Stat. §§ 87.001 et seq.). There isn't a separate Union County lien law — the state rules apply uniformly. However, when you file the lien paperwork, you file it at the Union County Recorder's office (or equivalent filing office).

Important: To keep your lien rights active on a Union County project,Oregon requires you to send the “Notice of Right to a Lien” within 8 days of starting work or delivering materials. This is a standard compliance step — not confrontational — and it keeps all your options open.

Once you file your mechanics lien in Union County, the property owner can't easily sell or refinance the property until your claim is resolved. You then have 120 days to file a lawsuit to enforce the lien if the owner still doesn't pay. Most disputes are resolved through payment or negotiation after the lien is filed.

Who Must Receive Notice for Union County Projects?

Your RoleMust Notify
General ContractorProperty Owner
SubcontractorProperty Owner
Material SupplierProperty Owner
LaborerProperty Owner
Equipment Rental CompanyProperty Owner
Architect / Engineer / SurveyorProperty Owner

Who Can File a Mechanics Lien in Union County?

Nearly anyone who contributes to a construction project in Union County can file a lien if they're not paid. This includes general contractors, subcontractors (electricians, plumbers, roofers, etc.), material suppliers, equipment rental companies, laborers, architects and engineers, and surveyors. You don't need a direct contract with the property owner — even if you're several layers down the payment chain, Oregon law protects your right to get paid for work done in Union County.

How a Mechanics Lien Protects You

A mechanics lien puts a legal claim on the Union County property you improved — the owner can't easily sell or refinance until your payment is resolved. In most cases, filing the lien is enough to get paid without going to court. To keep this option available, make sure your notices and deadlines are handled on time.

Accepted Delivery Methods

Oregon accepts these methods for delivering notices on Union County projects:

Certified Mail (with return receipt)Personal Delivery (hand-delivered)

Key Rules for Union County

8 BUSINESS DAYS (not calendar days) from first providing materials/labor

Information Notice to Owner for residential at contract execution

Residential and commercial subs: Notice required

Late notice only covers 8 business days before service and after

Foreclosure deadline can be extended by 120-day increments up to 2 years

First class mail is NOT a valid service method for this notice

Filing Deadlines for Union County

Lien Filing Deadline

75 days

From last day of work or completion of construction (whichever earlier)

Enforcement Deadline

120 days

To file foreclosure action after recording the lien

Official Oregon Resources

These are official state government websites where you can look up statutes, verify contractor licenses, and search business registrations.

State Legislature

Look up Oregon lien statutes and laws

Oregon Legislative Assembly

Contractor Licensing

Verify licenses and check requirements

Oregon Construction Contractors Board

Secretary of State

Business entity search and registration

Oregon Secretary of State

File a Mechanics Lien in Union County, Oregon

LienGrid handles the entire lien filing process in Union County, Oregon — from required notices to the filing itself. State-compliant documents, certified mail delivery, and deadline tracking, all in one platform.

Start Free — File NowSee How It Works

Union County Mechanics Lien FAQ

Common questions about filing a mechanics lien in Union County, Oregon.

Filing a mechanics lien in Union County follows Oregon state law (OR Rev. Stat. §§ 87.001 et seq.). Here's the basic process: First, you need to have sent the required "Notice of Right to a Lien" to the proper parties. Then, prepare your lien document with your name, the property address, a description of work done, and the amount owed. File it at the Union County Recorder's office (or equivalent filing office) — there's usually a small recording fee. After filing, send a copy to the property owner. You have 75 days from last day of work or completion of construction (whichever earlier) to file. File within this window to keep your lien rights protected.
Yes. Oregon requires a "Notice of Right to a Lien" for construction projects, including those in Union County. You must send it within 8 days of when you first start working or delivering materials to the project. This notice goes to specific parties (like the property owner and general contractor) and protects your right to file a lien later if you're not paid. Sending it on time keeps your lien rights active and gives you full protection if payment issues come up later.
For projects in Union County, you have 75 days from last day of work or completion of construction (whichever earlier) to file your mechanics lien. This is a hard deadline set by Oregon state law — not a Union County rule specifically. File within this window to keep your lien rights protected on that project. After filing, you have 120 days to file a lawsuit to enforce the lien if the owner still doesn't pay.
You file your mechanics lien at the Union County Recorder's office (sometimes called the Register of Deeds or Clerk's office, depending on the county). This is the office that handles all real property records for Union County. You'll need to bring your completed lien document and pay a recording fee. Some counties also accept electronic filings. The lien requirements come from Oregon state law (OR Rev. Stat. §§ 87.001 et seq.), but the actual filing happens at the county level.
For Union County construction projects, Oregon law accepts these delivery methods: Certified Mail, Personal Delivery. The delivery method matters — using a method that isn't on the approved list could make your notice invalid even if the other party received it. Always keep proof of delivery (receipts, tracking numbers) in your project file.
Almost anyone who provides labor, materials, or services for a construction project in Union County can file a mechanics lien if they're not paid. This includes general contractors, subcontractors (electricians, plumbers, roofers, etc.), material suppliers, equipment rental companies, architects, engineers, and laborers. Even if you don't have a direct contract with the property owner, Oregon law typically allows you to file a lien to protect your right to payment.
Yes — LienGrid automates the entire mechanics lien process for Union County and all of Oregon. The platform tracks your deadlines, generates compliant notices with the correct Oregon statutory language, identifies required recipients, and can send notices via approved delivery methods on your behalf. Instead of manually tracking dates and managing compliance on your Union County project, LienGrid handles it all. Start a free trial to see how it works.

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View preliminary notice requirements in Union County
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Content reviewed by LienGrid's compliance team|Last reviewed: March 2026

This information is for general guidance only and does not constitute legal advice. Oregon laws change frequently — always verify current requirements and consult a licensed attorney in the relevant jurisdiction before taking legal action. LienGrid makes every effort to keep this information accurate, but we cannot guarantee completeness or currency.