Maryland Mechanics Lien Statutes: Deadlines, Venues & Citations
Where Maryland liens are filed and enforced
A Maryland mechanics lien is filed with the Circuit Court (Clerk) in the county where the project sits — 180 days from last date of furnishing. Filing in the wrong county does not perfect the claim, which matters on projects that straddle county lines. Those are two different clocks against two different offices, and Maryland claimants lose rights far more often by missing the second one than the first.
Maryland deadlines by claimant role
For general contractors: Record the lien — 180 days from last furnishing (Md. Code Real Prop. § 9-102). For subcontractors and suppliers: Record the lien — 180 days from last furnishing (Md. Code Real Prop. § 9-102); file suit — 1 years from lien recorded (Md. Code Real Prop. § 9-106); bond notice — 90 days from last furnishing (Md. Code, State Fin. & Proc. § 17-108(b)); file suit — 1 years from final acceptance (Md. Code, State Fin. & Proc. § 17-109(b)); miller act notice — 90 days from last furnishing (40 U.S.C. § 3133(b)(2)); file suit miller act — 1 years from last furnishing (40 U.S.C. § 3133(b)(1)). Every window runs from the claimant's own dates, not the unpaid invoice date.
Rules specific to Maryland
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. File mechanics lien petition within 180 days of last furnishing. No preliminary notice required. Lien petition filed in Circuit Court where property is located. After lien petition filed, must bring lawsuit to enforce within 1 year. Note: filing petition already initiates the action in Maryland's system. Applies to a supplier (labor or materials, including an equipment lessor to the extent of fair rental value, 17-101) that has a direct contract with a SUBCONTRACTOR OR SUB-SUBCONTRACTOR but not with the contractor. Written notice to THE CONTRACTOR within 90 days after the claimant last supplied the labor or materials, stating with substantial accuracy the amount claimed and the person for whom the work was done or to whom the materials were supplied, sent by CERTIFIED MAIL to the contractor's residence or place of business (17-108(b)). The surety is NOT a statutory recipient. First-tier subs with a direct contract with the prime give no notice but may not sue until 90 days after last supplying without full payment (17-108(a)). Payment security of at least 50% of the contract is required on construction contracts above the 13-109 small-procurement amount (17-103). An action on the payment bond shall be filed within 1 YEAR AFTER THE PUBLIC BODY FINALLY ACCEPTS THE WORK performed under the contract (17-109(b)) - an event on the public body's calendar, NOT the claimant's last furnishing. Confirm the final-acceptance date in writing with the agency. Venue under 17-109(a): county where the contract was executed and performed, or where the contractor has its principal place of business. No suit before 90 days after last supplying (17-108(a)). Second-tier claimants only. No notice = no bond claim. File no sooner than 90 days AND no later than 1 year. 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.
How Maryland notices must be served
Maryland requires 120 days (sub) — Notice of Intent. Accepted delivery for the notices tracked here: Certified Mail, to the contractor at its residence or any place at which it has a business; Certified Mail, Return Receipt Requested. Service runs to the Contractor (prime) only - NOT the surety. Keep the proof of service in the project file — Maryland disputes over whether a notice was properly served are decided on that documentation.
Public projects in Maryland
No lien attaches to public property in Maryland. On public state local and public federal work the remedy is a payment bond claim instead — bond notice within 90 days of last furnishing, served on the Contractor (prime) only - NOT the surety (Md. Code, State Fin. & Proc. § 17-108(b)). 4 public-project deadlines are tracked for Maryland.
Maryland statute citations
The Maryland deadlines above come from Md. Code Real Prop. § 9-102, Md. Code Real Prop. § 9-106, Md. Code, State Fin. & Proc. § 17-108(b), Md. Code, State Fin. & Proc. § 17-109(b), 40 U.S.C. § 3133(b)(2), 40 U.S.C. § 3133(b)(1), Md. Code Real Prop. § 9-302, Md. Code Real Prop. § 9-304. Statutes are amended periodically — verify current text before relying on any date, and consult a licensed Maryland construction attorney on a specific project.
Frequently Asked Questions
How long do you have to file a mechanics lien in Maryland?
180 days — From last date of furnishing. The filing goes to the Circuit Court (Clerk) in the project's county. See Md. Code Real Prop. § 9-102. The clock runs from the claimant's own last furnishing or completion, not the invoice date.
Where do you file a mechanics lien in Maryland?
With the Circuit Court (Clerk) in the county where the property is located. Recording in the wrong county does not perfect the lien.
Does Maryland require a preliminary notice?
Yes — 120 days (sub). Notice of Intent. Accepted service includes Certified Mail, to the contractor at its residence or any place at which it has a business.
How long do you have to enforce a Maryland mechanics lien?
1 year — From filing. A recorded lien left unenforced past that window generally expires and can expose the claimant to slander-of-title risk if it stays on record.
When must retainage be released in Maryland?
Retainage released within 30 days of substantial completion. 10% maximum retainage. (Md. Code Real Prop. § 9-304).