Maryland Notice of Intention to Claim a Lien — Md. Real Prop. § 9-104 / § 9-105 / § 9-109 Filing Guide (2026)
✓ Verified against Maryland statutes · Reviewed August 2026 · By Michael Evan — Founder · 50 states · 799 rules
Maryland mechanics lien deadlines at a glance
Preliminary Notice
120 days (sub) — Notice of Intent
Mechanics Lien
180 days — From last date of furnishing
Enforcement
1 year — From filing
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What Is the Maryland Mechanics' Lien Framework and How Does the Lien Workflow Operate?
Maryland's mechanics' lien framework is the Maryland Mechanics' Lien Law, Md. Code, Real Property §§ 9-101 to 9-114. Unlike the recording-based systems in most states, Maryland establishes liens through the courts. For a subcontractor the workflow is: (1) confirm eligibility — new construction, or an existing building improved to at least 15 percent of its value (§ 9-102); (2) serve the owner with the Notice of Intention to Claim a Lien within 120 days of last work or last materials (§ 9-104); (3) file a petition to establish the lien in the circuit court within 180 days (§ 9-105); (4) respond to the court's show-cause order and obtain a final order establishing the lien (§ 9-106); and (5) commence the enforcement action within one year of filing the petition (§ 9-109). A general contractor in direct contract with the owner follows the same track but is excused from the 120-day Notice of Intention. Maryland is distinctive in three respects: the petition-to-establish process (a judge establishes the lien — a claimant who merely files a document in the land records has perfected nothing), the 15 percent rule (renovation work must raise the building's value by at least 15 percent or there is no lien), and the 120-day Notice of Intention paired with the § 9-104(f) single-family-dwelling cap that shrinks the fund as the owner pays the contractor.
Who Must Give Notice — and Who Must File the Petition
Every eligible tier on a Maryland project can obtain a lien by filing the § 9-105 petition, but the Notice of Intention obligation falls only on claimants who are not in privity with the owner. A general (prime) contractor in direct contract with the owner files the § 9-105 petition within the 180-day window and does not have to give a Notice of Intention under § 9-104. A claimant without a direct contract with the owner — a first-tier subcontractor, a lower-tier sub, or a material supplier to a contractor — must serve the owner with the § 9-104 Notice of Intention within 120 days of last work or last materials before it can file the petition; the notice states the claimant, the amount, the party that engaged the claimant, and a property description. On an owner-occupied single-family dwelling, the lien is then capped by § 9-104(f) at the amount the owner still owes the contractor when notice is given.
The Petition-to-Establish Process & the 15 Percent Rule — Maryland's Threshold Traps
Two Maryland features catch out-of-state claimants. First, the petition-to-establish process: Maryland does not record mechanics' liens. Under § 9-105 the claimant files a petition to establish a mechanics' lien in the circuit court of the county or Baltimore City where the property lies, within 180 days of last work or last materials, supported by affidavit. Under § 9-106 the court reviews the petition and may issue an interlocutory order to show cause directing the owner to explain why a lien should not attach; if there is no genuine dispute of material fact the court enters a final order establishing the lien, and if there is a genuine dispute it may enter an interlocutory lien (often conditioned on a bond) and set the matter for trial. A claimant who treats Maryland like a recording state and files a document in the land records has done nothing — the lien does not exist until the court establishes it. Second, the 15 percent rule under § 9-102: every newly erected building is lienable, but an existing building is subject to a lien only if repaired, rebuilt, or improved to the extent of at least 15 percent of its value. On renovation, remodeling, and repair work a claimant can serve the Notice of Intention on time and file the petition on time and still lose because the improvement did not raise the building's value by the statutory 15 percent — a question contested at the § 9-106 show-cause stage.
§ 9-104 Notice, the 120-Day Deadline, and the § 9-105 / § 9-109 Windows
The Notice of Intention to Claim a Lien is served on the owner by personal delivery or by certified mail, return receipt requested (or by posting and mailing if the owner cannot be served after reasonable effort), within 120 days of the claimant's last work or last materials under § 9-104. The petition to establish the lien is then filed in the circuit court within 180 days under § 9-105, and the right to enforce the established lien expires one year from the day the petition was first filed under § 9-109. The Notice of Intention must state the claimant's name and address, the amount claimed and the kind of work or materials, the name of the person for whom the work was done or to whom materials were furnished, and a description of the property; the § 9-105 petition must state the petitioner's and owner's names and addresses, the nature of the work or materials, the time when done or furnished, the party who engaged the claimant, and the amount claimed, supported by affidavit and (for a subcontractor) the Notice of Intention. Both the 120-day notice clock and the 180-day petition clock run from the claimant's last day of work or last delivery — not the invoice date, a punch-list visit, or overall project completion.
The Single-Family Cap, the Construction Trust Statute, and Lien Waivers
On an owner-occupied single-family dwelling, § 9-104(f) limits a subcontractor's lien to the amount the owner still owes the general contractor when the Notice of Intention is given. Payments the owner already made to the contractor before the notice reduce — and can entirely eliminate — the fund the subcontractor can reach, which makes the timing of the Notice of Intention decisive on residential work. When the lien fund is gone — the 15 percent threshold was missed, the notice was late, or the owner paid in full — Maryland gives claimants the Construction Trust Statute, Real Property §§ 9-201 to 9-204: money paid under a construction contract is held in trust for the subcontractors and suppliers who performed the work, and an officer, director, or managing agent who knowingly diverts those trust funds can be held personally liable, and in egregious cases criminally liable. The trust statute reaches the contractor's principals personally rather than the owner's property. On the waiver side, a Maryland claimant may give ordinary conditional and unconditional lien waivers in exchange for progress payments but should never sign an unconditional waiver before the corresponding payment has cleared.
Filing Fees and Where to File
The Maryland petition to establish a mechanics' lien is filed with the clerk of the circuit court of the county where the property is located, or the Circuit Court for Baltimore City — one of Maryland's 24 circuit-court jurisdictions. Because the lien is established by a civil action rather than recorded, the principal cost is the circuit-court civil filing fee (commonly $150–$185 depending on the jurisdiction and claim amount), plus service costs on the owner; serving the § 9-104 Notice of Intention by certified mail with return receipt typically runs under $15 per party. Because Maryland liens are litigated from the outset — the § 9-106 show-cause process is a contested proceeding — total perfection costs are more attorney-driven than in recording states. An uncontested petition may run a few hundred dollars in court and service costs plus attorney time; a contested show-cause hearing over the 15 percent threshold, the single-family cap, or the validity of the Notice of Intention can run several thousand dollars before the enforcement action even begins.
Frequently Asked Questions
What is the deadline to serve a Maryland Notice of Intention to Claim a Lien under Md. Real Prop. § 9-104?
Under Md. Code, Real Property § 9-104, a subcontractor — anyone who does not have a direct contract with the owner — must give the owner a written Notice of Intention to Claim a Lien within 120 days after the claimant last performed work or last furnished materials. The notice is served by personal delivery or certified mail, return receipt requested, and must state the claimant's name, the amount claimed and kind of work or materials, the name of the person for whom the work was done or to whom materials were furnished, and a description of the property. The general contractor in direct contract with the owner does NOT have to give the Notice of Intention. Missing the 120-day notice is fatal to a subcontractor's lien: without it, the claimant cannot proceed to the § 9-105 petition to establish the lien.
How is a Maryland mechanics' lien actually established — is it recorded?
No. Maryland is a petition-to-establish state, not a recording state. A claimant does not record a Claim of Lien. Under § 9-105 the claimant files a petition to establish a mechanics' lien in the circuit court of the county or Baltimore City where the property is located, within 180 days after last work or materials, supported by affidavit and (for a subcontractor) the Notice of Intention. Under § 9-106 the court reviews the petition and may issue an interlocutory order directing the owner to show cause why a lien should not attach; if there is no genuine dispute of material fact the court enters a final order establishing the lien, and if there is a dispute it may enter an interlocutory lien (often conditioned on a bond) and set the matter for trial. A claimant who simply 'records' a document in the land records has done nothing — the lien does not exist until the court establishes it.
What is the Maryland 15 percent rule under § 9-102?
Under § 9-102, every newly erected building is subject to a mechanics' lien, but an existing building is subject to a lien only if it is repaired, rebuilt, or improved to the extent of at least 15 percent of its value. The 15 percent rule is a threshold-eligibility test for renovation, remodeling, and repair work on existing structures — it does not apply to new construction, which is lienable regardless. A contractor or supplier on a modest renovation can serve the 120-day Notice of Intention and file the 180-day petition and still lose because the improvement did not raise the building's value by 15 percent. The value is measured against the building's value before the work, and the question is litigated at the § 9-106 show-cause stage.
When must a Maryland petition to establish a lien be filed, and how long does the lien last?
Under § 9-105, the petition to establish the lien must be filed in the circuit court within 180 days after the claimant last performed work or furnished materials — the controlling filing deadline for every claimant, general contractor and subcontractor alike. The 120-day Notice of Intention is an additional, earlier subcontractor requirement, not a substitute. Once a lien is established, under § 9-109 the right to enforce it expires one year from the day the petition to establish was first filed — not from the date the court finally establishes the lien — so a claimant whose petition is contested for months must still calendar enforcement against the original filing date. Section 9-109 also preserves a separate personal action for the debt.
Does a Maryland owner who already paid the general contractor still owe a subcontractor's lien?
On an owner-occupied single-family dwelling, generally no. Under § 9-104(f), the lien of a subcontractor against a single-family dwelling being erected or repaired for the owner's own residence is limited to the amount by which the owner is indebted to the contractor at the time the Notice of Intention is given. Payments the owner already made to the general contractor before receiving the notice reduce — and can entirely eliminate — the fund the subcontractor can reach. This makes the timing of the Notice of Intention critical on residential work: the sooner the subcontractor serves it, the more of the owner's payments remain unpaid and lienable. On commercial and other non-owner-occupied property the single-family cap does not apply in the same way.
Can a Maryland subcontractor reach contract funds even if the lien fund is gone — the Construction Trust Statute?
Yes, in many cases — through the Maryland Construction Trust Statute, Real Property §§ 9-201 to 9-204, which operates independently of the mechanics' lien. Money paid under a construction contract to a contractor or subcontractor is held in trust for the subcontractors and suppliers who performed the work, and an officer, director, or managing agent who knowingly retains or uses those funds for any purpose other than paying the subcontractors and suppliers can be held personally liable, and in egregious cases criminally liable. The trust statute matters most when the lien itself fails — the 15 percent threshold was not met, the notice was late, the single-family cap zeroed out the fund, or the owner already paid in full — because it reaches the contractor's principals personally rather than the owner's property.
How does Maryland handle public projects and federal projects?
No mechanics' lien attaches to public property in Maryland. On public construction an unpaid subcontractor or supplier pursues the prime contractor's payment bond. Maryland's 'Little Miller Act' is at State Finance and Procurement §§ 17-101 to 17-110, requiring payment and performance bonds on public construction contracts exceeding $100,000; a claimant who did not contract directly with the prime generally must give written notice of its claim to the prime within 90 days of last furnishing, and suit on the payment bond must be brought within one year. On federal projects — Fort George G. Meade and the NSA, the United States Naval Academy at Annapolis, Joint Base Andrews, Aberdeen Proving Ground, NIH and Walter Reed in Bethesda, Naval Support Facility Indian Head, Patuxent River Naval Air Station, NASA Goddard in Greenbelt, and the Coast Guard Yard at Curtis Bay — the federal Miller Act at 40 U.S.C. § 3131 et seq. governs, with its own 90-day notice and one-year suit timing.