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Loudoun County, VA Food Trucks & Mobile Vendors: Sidewalk & Mobile Vending (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified August 2026

Key Facts

Max vendors per site
3 at one time (uncapped for farmer's markets, fairs)
Daily removal
Cart must leave site every day
License required
County transient business license
Health approval
Health Department sign-off before operating
Amplified sound
Not allowed
Applies to
Unincorporated Loudoun County only

Summary

Loudoun County caps mobile food and merchandise carts at 3 per site under Zoning Ordinance Section 3.03.H, bars amplified sound, and requires a County transient business license plus Health Department sign-off before a cart can operate on private property in the unincorporated county.

These county ordinances apply to unincorporated areas of Loudoun County. Incorporated cities within the county may have their own rules that take precedence over county-level regulations.

Mobile Vendor. This section does not apply to mobile vendors operating within the public right-of-way. 1. Mobile vendors must operate within the normal business hours of the principal use or temporary special event... 2. A maximum of 3 mobile vendors are permitted at any 1 location at the same time or as approved by a temporary special event permit... 4. Mobile vendors, including any associated outdoor seating, must be removed daily from the site of operation. If any mobile vendor or associated component is not removed, it will be considered a principal use and is subject to all regulations applying to principal uses. 5. Mobile vendors must receive approval of a County issued transit business license and approval by the Health Department prior to operation.

Source: Loudoun County Health Department — Food SafetyView official code

Official source re-checked September 8, 2026: the cited page had not changed since it was quoted.

Full Breakdown

H of the Loudoun County Zoning Ordinance treats a mobile vendor as an accessory use and sets the operating rules for carts, trailers and vending vehicles countywide (outside the incorporated towns, which run their own codes). Vendors may only run during the normal business hours of the principal use or temporary special event they're attached to, though a cart on an active construction site can operate during construction hours. D allows more, or the vendor is tied to a farmer's market (temporary), convention/exhibition facility, amphitheater, or outdoor/major recreation use, which have no numeric cap.

Anyone vending on private property must first get the property owner's or authorized agent's written consent, and the cart plus any attached seating has to be cleared from the site every single day: leave it overnight and the whole setup is reclassified as a principal use, triggering every standard that applies to permanent structures on that lot. Before opening, a vendor needs a County-issued transient business license and Health Department approval. Site rules bar carts from occupying parking spaces the principal use needs to meet its minimum requirement, require a level paved or gravel surface with safe pedestrian access, and forbid locating in any fire lane, travel lane, entrance or exit.

No audio amplification is allowed. Trash receptacles are mandatory, and the operator must keep the area within 5 feet of the cart free of grease, trash, paper, cups and cans; liquid waste or grease can never go into tree pits, storm drains, sidewalks, streets or the County's sanitary sewer system.

Violations & Fines

The Zoning Administrator enforces Section 3.03.H through the County's zoning permit and business-license framework; a vendor that stays past its daily removal deadline is treated as an unpermitted principal use and becomes subject to full zoning enforcement, including notice and correction orders. Operating without the required transient business license or Health Department approval, exceeding the 3-vendor cap, blocking a fire lane, or dumping grease into a storm drain or sanitary sewer are each independent violations that can draw a stop-work or permit-revocation action from the County.

Frequently Asked Questions

How many mobile vendor carts can operate at one Loudoun County location?
Up to 3 at the same time under Zoning Ordinance Section 3.03.H.2, unless a temporary special event permit allows more or the cart is part of a farmer's market, convention/exhibition facility, amphitheater, or major outdoor recreation use, none of which have a numeric cap.
Does a cart have to leave the site overnight?
Yes. Section 3.03.H.4 requires the mobile vendor and any attached seating to be removed daily; if it isn't removed, the County treats it as a principal use and applies every standard that governs permanent structures on that lot.
What licensing does a Loudoun County cart vendor need?
Section 3.03.H.5 requires a County-issued transient business license and Health Department approval before the vendor begins operating, in addition to the property owner's written consent if vending on private land.
Can a mobile vendor play music or use a speaker?
No. Section 3.03.H.6.d bars any audio amplification as part of the mobile vendor operation, regardless of location or time of day.

Sources & Official References

Other rules in Loudoun County

All Loudoun County rules

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