Montgomery County, MD Parking Rules: Commercial & Oversized Vehicles (2026)
Key Facts
- Governing section
- Zoning Ordinance § 6.2.5.L
- AR/R/RC/RNC lots under 0.5 acre
- 1 light commercial vehicle plus 1 RV
- Tow trucks
- Parking with vehicle attached prohibited
- Lots over 2 acres
- No commercial or RV parking limit
- RV overnight use
- Up to 3 days per month
Summary
Montgomery County caps how many light commercial vehicles and recreational vehicles can park on a residential lot, with limits set by zone size: from one vehicle on a half-acre AR, R, RC, or RNC lot up to no restriction on lots over two acres.
L. Commercial Vehicle Parking for Properties with a Residential Use
1. In General
a. Vehicles and machinery used primarily for Farming may be parked without restriction.
b. Parking of a tow truck with a vehicle attached is prohibited.
c. A commercial vehicle under Section 6.2.5.L must be owned or used by an occupant of the dwelling.
2. AR, R, RC, and RNC Zones
a. On any lot or parcel up to 0.5 acre, one light commercial vehicle and one unoccupied recreational vehicle, or two light commercial vehicles, may be parked at any one time.
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 59, Section 6.2.5.L limits commercial and recreational vehicle parking on residential-use properties by zone. Farm vehicles and machinery are exempt, but parking a tow truck with a vehicle attached is barred outright. In the AR, R, RC, and RNC zones, a lot under 0.5 acre may keep one light commercial vehicle plus one unoccupied recreational vehicle, or two light commercial vehicles; lots between 0.5 and 2 acres may keep three light commercial vehicles and one recreational vehicle, usable for overnight stays up to 3 days a month; lots over 2 acres face no limit. Any commercial vehicle must belong to a household occupant.
Violations & Fines
Zoning violations are enforced by DPS; a violation may draw a civil fine up to the maximum under the Maryland Land Use Article, with each day counted as a separate offense (Zoning Ordinance § 7.8.1).
Frequently Asked Questions
Can I park my work truck in my driveway in Montgomery County?
Do these limits apply if I live in Rockville or Gaithersburg?
Sources & Official References
Other rules in Montgomery County
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