Maryland Mechanics Liens: A Practical Walk-Through for Gaithersburg and Germantown Contractors and Owners
Shin Law Office
BOTTOM LINE UP FRONT
A Maryland mechanics lien is one of the most powerful collection tools available to contractors and suppliers, and it is also one of the easiest to lose through procedural mistakes. The statute demands precise notices, strict deadlines, and a Circuit Court petition that the owner almost always contests. Most failed lien claims I see in Gaithersburg, Germantown, Clarksburg, and Damascus do not fail on the merits. They fail because someone missed a 120-day window, sent the wrong notice form, or relied on an oral agreement that the statute will not honor. This is a companion to my Complete Guide to Business Litigation and Transactions in Montgomery County, Maryland.
Who Can File a Mechanics Lien
The Maryland Mechanics Lien Statute, codified at Md. Code, Real Prop. Title 9, gives a remedy to anyone who furnishes labor, materials, or design services that improve real property. General contractors, subcontractors, sub-subcontractors, suppliers, equipment lessors, and licensed design professionals can all file. The threshold for residential property requires improvements to add at least 25 percent to the property’s value in some cases, and there are tighter rules for owner-occupied single-family homes. For commercial projects, the threshold rules are more relaxed, but the procedural requirements are just as strict.
Importantly, only parties in privity with the owner (typically the general contractor) can file without first sending a notice of intent. Subcontractors, sub-subs, and suppliers must send a written notice of intent to claim a lien within 120 days of the last day they performed work or furnished materials. That notice must be served on the owner by certified mail, personal service, or posting, and it must contain specific information identified in § 9-104(a). Miss the form, the deadline, or the method of service, and you have a real defense to deal with.
The Petition Process Is Different from Other States
Maryland is not a self-execute jurisdiction. Filing a piece of paper in the Land Records does not establish a lien. Instead, you file a Petition to Establish a Mechanics Lien in the Circuit Court for the county where the property is located. For Montgomery County projects, that means the Circuit Court for Montgomery County in Rockville. The petition must be filed within 180 days of the last day you furnished work or materials. The Court issues a show cause order requiring the owner to appear and explain why a lien should not attach.
If the owner does not appear or fails to raise a meaningful defense, the Court enters an interlocutory order establishing the lien. If the owner contests, the Court holds an evidentiary hearing on whether the claimant has shown a probability of succeeding on the merits. The case can move quickly, often resolving within four to six months from filing, which is unusual for civil litigation in Maryland and one reason mechanics liens create such practical pressure on owners.
Why this matters for Montgomery County projects specifically:
High property values in Bethesda, Rockville, and North Bethesda mean that even modest mechanics liens can become serious encumbrances. Owners financing through commercial lenders cannot close refinancings or sales while a lien is pending, which produces real settlement pressure. The flip side: owners can post a bond and remove the lien from the property under § 9-106, replacing the encumbrance with a cash or surety security.
Common Mistakes I See
A few patterns repeat. First, contractors miscount the 120-day notice window by treating “punch list” or warranty work as the trigger. The statute generally counts from the last substantive work, not from cosmetic follow-ups, and arguing the distinction at the show-cause hearing is an uphill battle. Second, contractors fail to identify the correct owner of record. A property held by an LLC must have the lien served on the LLC, not on the individual member. Third, contractors describe the work too vaguely. The petition needs sufficient detail for the Court to assess the claimed value, including dates, scope, contract documents, and an accounting of payments received and amounts owed.
For owners on the receiving end of a notice of intent, the most common mistake I see is ignoring it. The notice triggers due diligence obligations and may give you a brief window to negotiate before the petition is filed. A short response acknowledging receipt and requesting documentation often yields more information than waiting, and it creates stronger defenses if a petition is filed.
Tying It Back to the Bigger Picture
Mechanics liens sit inside a broader construction litigation environment that also includes change order disputes, payment bond claims, defect litigation, and federal Miller Act work on government projects. For the wider view of how commercial cases run in Montgomery County, see my Complete Guide to Business Litigation and Transactions in Montgomery County, Maryland. For lease and property disputes that often run alongside construction issues, see Lease Conflicts and Property Disputes in Montgomery County.
Lien Deadlines Move Fast. Get Counsel Early.
Whether you are a Gaithersburg contractor protecting a payment claim or a Bethesda owner reviewing a notice of intent, the time to call counsel is before the next 30 day window closes. Shin Law Office handles mechanics lien petitions, defenses, and lien releases in the Circuit Court for Montgomery County and across Maryland.
Call 571-445-6565 or contact Shin Law Office.
References
Code of Maryland (Md. Code), Real Property Article Title 9. Maryland Mechanics Lien Statute. https://mgaleg.maryland.gov/mgawebsite/Laws/StatuteText?article=grp
Maryland Judiciary. Maryland Rules of Procedure: Mechanics Liens (Title 12, Chapter 300). https://mdcourts.gov/legalhelp/marylandrules
Circuit Court for Montgomery County. Land Records and Mechanics Lien Filings. https://www.montgomerycountymd.gov/cct/
Maryland State Bar Association. Construction Law Section Resources. https://www.msba.org/





