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Montgomery County, MD Trash & Recycling: Dumpster Rules (2026)

Significant Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Key Facts

Registration
Annual, with Dept. of Environmental Protection
Owner lettering
Min. 3 inches high, permanent paint/decals
Violation class
Class A ($500-$750 civil penalty)
Construction dumpster
One allowed per active building permit

Summary

Montgomery County requires every dumpster used in the county to be registered annually with the Department of Environmental Protection, kept watertight, and marked with the owner's name in 3-inch lettering.

City-specific rules exist: Gaithersburg, and Rockville have their own dumpster rules rules that differ from Montgomery County's county-level regulations. If you live in one of those cities, check the city-specific page instead.

The owner of any dumpster used in the County must register the dumpster with the Department annually in accordance with regulations adopted under Method 2. Each dumpster must be watertight and leakproof and must display a current registration medallion at all times. Each dumpster must display the name of the owner of the dumpster, in lettering that is not less than 3 inches high, in permanent paint or decals on one side of the dumpster which is exposed to public view. A generator must not use a dumpster which has not been registered under this Section or which does not display a current registration medallion.

(C)   Violations. The owner of a dumpster that is not properly registered and any generator who uses a dumpster that is not properly registered are jointly and severally liable to the County for payment of any unpaid nonresidential systems benefit charges. Failure to register a dumpster, display the name of the owner or a current registration medallion, or pay a nonresidential systems benefit charge is a class A violation.

(D)   Payment. Any person may pay the nonresidential systems benefit charge in quarterly installments. The first installment must be paid when the dumpster is registered. The balance must be paid in 3 equal installments by the first day of the third, sixth, and ninth months after the dumpster is registered. If a dumpster is removed from service in the County and the owner

View official code

Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: 2026 S-90: Montgomery County Code contains legislation effective through May 7, 2026 | Zoning Updated Effective: April 13, 2026 | COMCOR Regulations effective as of July 1, 2026).

Full Breakdown

Chapter 48 requires the owner of any dumpster used in the county to register it annually with the Department of Environmental Protection, keep it watertight and leakproof, display a current registration medallion, and mark the owner's name in permanent paint or decals at least 3 inches high on a side facing public view. Generators may not use an unregistered dumpster. Separately, the Zoning Ordinance permits one construction dumpster on-site without a temporary use permit while a building permit stays active; using it after the permit expires is prohibited.

Violations & Fines

Failing to register a dumpster, display the owner's name or medallion, or pay the systems benefit charge is a Class A violation: up to $1,000 criminal fine or a $500-$750 civil penalty.

Frequently Asked Questions

Do I need to register a commercial dumpster in Montgomery County?
Yes. Any dumpster used in the county must be registered annually with the Department of Environmental Protection and must display a current registration medallion plus the owner's name in 3-inch lettering.
How long can a construction dumpster stay on a job site?
Only while the building permit stays active. Using a construction dumpster after the permit expires is prohibited under the Zoning Ordinance's temporary-use rules.

Sources & Official References

Other rules in Montgomery County

All Montgomery County rules

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