How to File a Mechanics Lien in Maryland
Step 1 — Confirm you have lien rights in Maryland
Maryland's recorded rules cover general contractors, subcontractors and suppliers (Md. Code Real Prop. § 9-102). Each of those roles has its own filing window — see Step 3. Maryland rule detail: File mechanics lien petition (which initiates a court proceeding) within 180 days of last furnishing. In Maryland, the lien filing IS the lawsuit filed in Circuit Court.
Step 2 — Send the Maryland preliminary notice
Maryland requires a preliminary notice 120 days (sub), notice of intent (Md. Code Real Prop. § 9-106). It is a precondition, not a formality. It must reach Circuit Court (Clerk) and Prime Contractor and Surety and Prime Contractor. Delivery: Certified Mail, Return Receipt Requested. Maryland rule detail: File mechanics lien petition within 180 days of last furnishing. No preliminary notice required. Lien petition filed in Circuit Court where property is located.
Step 3 — Your Maryland filing deadline
Maryland sets the window by claimant role: • General contractors: within 180 days of your last day of work or materials. • Subcontractors and suppliers: within 180 days of your last day of work or materials. The clock runs from last date of furnishing — not your invoice date. Punch-list and warranty callbacks generally do not restart it. Maryland rule detail: After lien petition filed, must bring lawsuit to enforce within 1 year. Note: filing petition already initiates the action in Maryland's system.
Step 4 — Prepare and record the lien in Maryland
Record in the county where the property sits, under Md. Code State Finance § 17-106. The document must identify the property, the owner of record, the amount actually owed, and what you furnished. Overstating the amount can void the claim outright. Maryland rule detail: Written notice within 90 days of last furnishing on public works projects.
Step 5 — Serve the recorded Maryland lien
Maryland requires service on Circuit Court (Clerk) and Prime Contractor and Surety and Prime Contractor. Use Certified Mail, Return Receipt Requested and keep the receipt. In many states an unserved lien is unenforceable even though it appears on title. Maryland rule detail: File suit on payment bond within 1 year of last furnishing.
Step 6 — Enforce before the Maryland deadline expires
You must sue to foreclose within 1 year (filing) (40 U.S.C. § 3133(b)(2)). Miss it and the lien expires and title clears, leaving only a contract claim. Maryland rule detail: Second-tier claimants only. No notice = no bond claim.
Retainage rules that affect your Maryland claim
Maryland treats retainage on its own schedule (Md. Code Real Prop. § 9-304), so money still held back may have a different due date than your progress billings. Maryland rule detail: File no sooner than 90 days AND no later than 1 year.
Other Maryland requirements that void liens
• Prime must pay sub within 7 days of receiving payment from owner (Maryland Prompt Payment Act). Interest at 1.5%/month on amounts wrongfully withheld. • Retainage released within 30 days of substantial completion. 10% maximum retainage.
Frequently Asked Questions
How long do I have to file a mechanics lien in Maryland?
Maryland requires the lien to be recorded within 180 days, measured from last date of furnishing. The exact window depends on your role — general contractors: within 180 days of your last day of work or materials.
Do I need to send a preliminary notice before filing in Maryland?
Yes. Maryland requires a preliminary notice 120 days (sub) (notice of intent). Failing to send it on time generally forfeits your lien rights entirely, regardless of how much you are owed.
Where do I file a mechanics lien in Maryland?
File with the county recorder's office in the county where the property is located. Filing in the wrong county does not preserve your deadline, and re-filing in the correct county after the deadline will not save the claim.
What happens if I miss the Maryland filing deadline?
Your lien rights are extinguished. Maryland courts do not grant extensions for missed mechanics lien deadlines. You would be left with a breach-of-contract claim against whoever hired you, which carries no security interest in the property and is far harder to collect.
How long does a mechanics lien last in Maryland?
Once recorded, you must file suit to enforce within 1 year (filing). If you do not, the lien expires automatically and no longer clouds the property's title.