If you’re asking where do I register my dog in Montgomery County, Maryland for my service dog or emotional support dog, the key thing to know is this: a service dog or emotional support animal (ESA) is not “registered” with the county the same way a dog is licensed. In Montgomery County, most residents still need a dog license in Montgomery County, Maryland (a local pet license tag), and that licensing process is tied to your dog’s rabies vaccination and local animal control enforcement.
Dog licensing is typically handled locally. In Montgomery County, Maryland, licensing depends on where you live: many residents license through the county’s animal services office, while certain incorporated cities handle licensing through their own animal control/animal services. The offices below are official, local options for where to register a dog in Montgomery County, Maryland.
| Address | 7315 Muncaster Mill Road, Derwood, MD 20855 |
|---|---|
| Phone | 240-773-5900 |
| Fax | 301-279-1063 |
| Not listed on the county licensing page (verify with the office) | |
| Office Hours | Not listed on the county licensing page (verify with the office) |
| Notes | County information states that dogs and cats over 4 months must wear current rabies and pet license tags, and that the rabies tag from a veterinarian is not the county license. The county describes three licensing methods (online, by mail, or in person). For immediate issuance, the county indicates licensing can be done in person. |
| Address | 2 W. Montgomery Ave., Rockville, MD 20850 |
|---|---|
| Phone | 240-314-8937 |
| animalcontrol@rockvillemd.gov | |
| Office Hours | Monday–Friday, 9 a.m.–5 p.m. |
| Notes | Rockville’s official information indicates applications can be done online, by mail, or in person at the police station administrative building. |
If you live inside Rockville city limits, you typically license through the City of Rockville rather than the county.
| Address | 31 South Summit Avenue, Gaithersburg, MD 20877 |
|---|---|
| Phone | 301-258-6400 |
| animalcontrol@gaithersburgmd.gov | |
| Office Hours | Monday–Friday, 8 a.m.–5 p.m. (City Hall business hours) |
| Notes | Gaithersburg’s official information describes applying online, in person at City Hall during business hours, or by mail. |
If you live inside Gaithersburg city limits, you typically license through the City of Gaithersburg rather than the county.
A local pet license is a government-issued tag/record that helps animal services identify your dog and confirm compliance with rabies rules. In Montgomery County, the county describes licensing as a legal requirement for dogs and cats over a certain age and emphasizes that the rabies tag issued by a veterinarian is not the county license. In practical terms, the license is an animal control tool: it helps reunite lost dogs with owners faster and helps the county or city enforce public health and animal welfare rules.
Most licensing is handled at the county or city level. In Montgomery County, Maryland:
Start by confirming whether your home address is within an incorporated city that issues its own license. This matters because you want your dog’s record to be in the correct local database and to obtain the correct tag. If you’re unsure, call the office listed in the section above and ask which jurisdiction your address falls under. This is especially important if you moved recently or your mailing address differs from your city boundary.
Rabies vaccination is central to licensing. Montgomery County’s licensing guidance ties license issuance to rabies vaccination proof and notes that if an animal has a rabies vaccine allergy, an exemption may be required and must be considered by the State Veterinarian case-by-case. The county also indicates that a rabies vaccination must be valid for a minimum period in order to purchase a license, and that license length is based on vaccine dates.
Your options depend on the jurisdiction:
Local governments often price licenses differently based on whether a dog is spayed/neutered, the selected term (1–3 years), and eligibility for discounts. For example, Rockville publishes a fee schedule by license duration and notes discounted licenses for qualifying groups (including people with disabilities/service animals). Montgomery County also publishes fees that vary by age (juvenile vs. adult) and altered vs. unaltered status.
Montgomery County law includes rabies control provisions and requires owners to vaccinate dogs (and other covered animals) against rabies and provide proof of the most recent vaccination to an animal control officer within a specified timeframe when requested. This is part of why local governments connect licensing to rabies documentation: it supports public health compliance and response if there is a bite incident or exposure concern.
A service dog is generally understood as a dog that is individually trained to do work or perform tasks for a person with a disability. There is no universal county-issued “service dog registration” that creates legal status the way a dog license creates a local animal control record. In other words: the legal concept of a service dog is not the same thing as a local pet license tag.
In most cases, yes. A service dog can still be subject to routine local requirements such as:
If you’re specifically trying to handle animal control dog license Montgomery County, Maryland requirements for a service dog, focus on the jurisdiction’s licensing office above and bring your rabies documentation. If the jurisdiction offers disability/service-animal discounts, ask what documentation they require for the discount—this is different from “certifying” the dog as a service dog.
Many third-party websites sell “registration,” cards, certificates, or vests. Those products typically do not replace local licensing and do not create service-dog legal status by themselves. For local compliance in Montgomery County, the relevant government action is still getting the correct dog license in Montgomery County, Maryland (county or city, depending on where you live).
An emotional support animal (ESA) generally refers to an animal that provides emotional support that alleviates symptoms of a disability, typically in the context of housing accommodations. ESAs are not the same as service dogs because they are not defined by task-trained work in the same way, and they do not automatically receive the same public-access permissions.
In most cases, yes. If your ESA is a dog and you live in Montgomery County (or in Rockville or Gaithersburg), local rules that require licensing and rabies compliance generally still apply. The county/city license is about identification and public health compliance, not about housing status.
When people ask “where do I register my dog” for an ESA, they are often mixing two separate processes: (1) local licensing (a government-issued license/tag), and (2) housing paperwork (documentation a housing provider may request to evaluate an accommodation request). Your local licensing office handles the first; a housing provider typically handles the second.
Select your county below to get started with your dog’s ID card. Requirements and license designs may vary by county, so choose your location to see the correct options and complete your pup’s registration.