A Resident's Guide to Herndon's Local Ordinances

Herndon, Virginia may not be the biggest city in the state, but it has its own set of local rules that residents need to follow. With 64 tracked ordinances across 25 categories, there is more here than you might expect.

Landscaping Rules

Weed Ordinances: Virginia maintains a Department of Conservation and Recreation (DCR) invasive species list but does not broadly ban planting or require removal from private property. The 2024 Virginia nursery restriction law (HB 1167) prohibits retail sale of certain invasive plants starting January 2027.

Also covered: Water Restrictions (moderate), Grass Height Limits (moderate), Tree Removal & Heritage Trees (moderate). See the full landscaping rules guide for Herndon for details.

Fire Regulations

Smoke Detectors: Smoke alarms are required in all Herndon dwellings under the Virginia Uniform Statewide Building Code (USBC) and the Virginia SFPC. Alarms must be installed in every bedroom, outside each sleeping area, and on every level of the home.

Also covered: Outdoor Burning (strict), Fire Pit Rules (moderate), Fireworks (strict). See the full fire regulations guide for Herndon for details.

Accessory Structures

Shed Rules: In Herndon, sheds 256 square feet or smaller and one story do not require a building permit under the Virginia USBC, but still must comply with zoning setbacks. Sheds over 256 sq ft require a building permit.

Also covered: ADU Rules (moderate), Garage Conversions (moderate). See the full accessory structures guide for Herndon for details.

Environmental Rules

Stormwater Management: Herndon enforces the Virginia Stormwater Management Act and Chesapeake Bay Preservation Act. Land disturbance of 2,500 square feet or more requires a Virginia Stormwater Management Program (VSMP) permit, erosion control plan, and post-construction BMP (best management practice).

Also covered: Grading & Drainage (moderate), Flood Zones (strict). See the full environmental rules guide for Herndon for details.

Cannabis Regulations

Home Cultivation: Adults 21 and older in Herndon may legally possess up to 1 ounce of marijuana and cultivate up to 4 plants per household under Virginia Code 4.1-1100. Public consumption remains prohibited.

Animal Ordinances

Chickens & Livestock: Herndon generally prohibits backyard chickens and other livestock in residential zones due to the Towns suburban lot sizes and zoning classifications. Roosters are banned and hens are not permitted as of-right in standard residential districts..

Also covered: Pet Limits (moderate), Breed Restrictions (moderate), Beekeeping (moderate). See the full animal ordinances guide for Herndon for details.

Food Trucks & Mobile Vendors

Food Truck Permits: Food trucks operating in Herndon require a Town business license, Virginia Department of Health mobile food establishment permit, and a zoning permit for specific locations. Private property operations need property owner permission.

Noise Ordinances

Barking Dogs: Persistent barking, howling, or other animal noise that disturbs neighbors is prohibited in Herndon at all times, with stricter enforcement during quiet hours. Owners can face citations under the animal control and noise provisions of the Town Code..

Also covered: Amplified Music & Events (moderate), Quiet Hours (moderate), Leaf Blower Rules (permissive). See the full noise ordinances guide for Herndon for details.

Fence Regulations

Pool Barriers: Residential swimming pools in Herndon require a barrier at least 48 inches high with self-closing, self-latching gates opening outward from the pool. Requirements follow Virginia USBC and apply to both in-ground and above-ground pools over 24 inches deep..

Also covered: Height Limits (moderate), Neighbor Fence Rules (permissive), Fence Requirements (moderate). See the full fence regulations guide for Herndon for details.

Home Business

Customer Traffic Restrictions: Home occupations in Herndon must not generate customer traffic beyond what is normal for a residence. Typical limits are 4 to 8 client visits per day, spread throughout the day, with no overlapping appointments creating multiple parked vehicles.

Also covered: Home Occupation Permits (moderate). See the full home business guide for Herndon for details.

Short-Term Rentals

Parking Rules: When the Town of Herndon adopted its short-term rental framework in December 2019 (effective February 1, 2020), the Town Council required at least two designated parking spaces for STRs in single-family residences and one designated parking space for STRs in condominiums and townhouses. All STR listings must include parking location details in their advertisements.

Also covered: Taxes & Fees (moderate), Occupancy Limits (moderate), Noise Rules (moderate). See the full short-term rentals guide for Herndon for details.

Building Safety

Building Permits: Herndon enforces the Virginia Uniform Statewide Building Code (USBC) through its Department of Community Development. Building permits are required for new construction, additions, structural alterations, decks, re-roofs in most cases, and mechanical, electrical, or plumbing work.

Also covered: Permits & Inspections Overview (strict). See the full building safety guide for Herndon for details.

Parking Rules

Commercial Vehicle Restrictions: Commercial vehicles exceeding 1 ton capacity or 10,000 lb GVWR cannot be regularly parked in residential zoning districts in Herndon. Tractor-trailers, dump trucks, buses, and heavy equipment are prohibited on residential streets overnight.

Also covered: Street Parking Limits (moderate), RV & Boat Parking (moderate), Abandoned Vehicles (moderate). See the full parking rules guide for Herndon for details.

Trash & Recycling

Pickup Rules & Schedules: The Town of Herndon provides weekly curbside collection of refuse and recycling through the Public Works Department. Residential trash is collected once per week on a designated route day, and recycling is collected on the same day.

Also covered: Recycling Requirements (moderate), Yard Waste Collection (permissive), Bulk Item Disposal (moderate). See the full trash & recycling guide for Herndon for details.

Sign Regulations

Political Signs: Residential signs in Herndon are regulated by content-neutral size, height, location, and duration standards in compliance with the US Supreme Court decision in Reed v. Town of Gilbert.

Garage & Yard Sales

Garage Sale Permits: Garage sales, yard sales, and estate sales in Herndon generally do not require a permit for occasional residential sales. Most Virginia localities limit residents to 2 to 4 sales per year of 2 to 3 days each.

Property Maintenance

Weeds & Overgrown Grass: Herndon requires property owners to keep grass and weeds cut to no more than 12 inches in height. Overgrown vegetation is declared a public nuisance and can be abated by the Town with costs assessed to the property owner.

Also covered: Property Blight (moderate). See the full property maintenance guide for Herndon for details.

Soliciting & Door-to-Door

Solicitor Permits: Door-to-door solicitors in Herndon must typically obtain a solicitor permit from the Town and carry identification. Residents may post No Soliciting signs that create a legal obligation on solicitors to skip the property.

Building Setbacks & Zoning

Setback Rules: Front yard setbacks in Herndon range from 25 to 40 feet for principal structures depending on the residential zoning district. R-1 districts require 40 feet, R-2 and R-3 require 30 feet, and R-4 townhouses often require 20-25 feet.

Solar Energy

Panel Permits: Herndon permits residential solar panel installation with building and electrical permits. Rooftop solar typically receives expedited review.

Also covered: HOA Restrictions (permissive). See the full solar energy guide for Herndon for details.

Outdoor Lighting

Dark Sky Rules: While Herndon is not an official International Dark-Sky Community, the Town's lighting ordinance incorporates dark-sky principles including full cutoff fixtures, shielded lights, and LED color temperature limits. Commercial lighting curfews encourage reducing sky glow after business hours.

Also covered: Light Trespass (moderate). See the full outdoor lighting guide for Herndon for details.

Rental Property Rules

Rental Registration: Herndon does not operate a general rental registration program, but all rental dwellings must comply with the Virginia Uniform Statewide Building Code and the Virginia Maintenance Code, which the Town enforces through its zoning and code compliance division. Landlords must follow the Virginia Residential Landlord and Tenant Act (VRLTA) and obtain business licenses where required..

Swimming Pools & Spas

Fencing Requirements: Pool barrier rules in the Town of Herndon are governed by the Virginia Uniform Statewide Building Code (13VAC5-63), which adopts the International Swimming Pool and Spa Code (ISPSC). Residential pools deeper than 24 inches require a barrier at least 48 inches high with self-closing, self-latching gates.

Drone Rules

Recreational Drones: Using a drone to observe, photograph, or record persons in areas where they have a reasonable expectation of privacy is prohibited under Virginia law. VA Code 18.2-130 and 18.2-130.1 address peeping and drone surveillance.

HOA Rules

Architectural Review: Herndon HOAs commonly operate architectural review committees (ARCs) requiring pre-approval for exterior changes including paint colors, fences, sheds, additions, landscaping, and solar installations. The Virginia POAA requires ARC decisions to be reasonable and consistent.

What to Do With This Information

This overview covers the big picture, but the details matter. Each ordinance page for Herndon includes the full text, violation penalties, and frequently asked questions. Use those pages when you need specifics.