Short-Term Rentals in Gaithersburg, MD: What Residents Actually Need to Know

If you live in Gaithersburg or are thinking about moving there, short-term rentals are one of those things you probably won't think about until they affect you directly. Gaithersburg has 8 specific rules on the books covering different aspects of short-term rentals, and some of them might surprise you.

Taxes & Fees

Gaithersburg STR hosts must collect and remit the Maryland 6% state sales tax and Montgomery County 7% hotel-motel tax for a combined 13% transient occupancy tax. Airbnb and VRBO collect some taxes automatically, but hosts remain responsible for ensuring full compliance.

Key details: State Tax: 6% MD sales tax. County Tax: 7% MoCo hotel-motel tax. Combined Rate: 13% total. Platform Collection: Airbnb/VRBO collect most. Registration: MD Comptroller + MoCo Finance.

Failure to collect taxes results in back-tax assessments plus penalties and interest. Maryland Comptroller may assess 10% late payment penalty. County may suspend STR license for tax non-compliance.

This is not one of those rules that cities tend to ignore. Gaithersburg actively enforces its taxes & fees requirements.

Parking Rules

STR hosts in Gaithersburg must ensure guests comply with city parking regulations. Guests should use the host driveway or designated parking areas. Street parking is subject to city restrictions including overnight limits in some neighborhoods and residential permit parking zones.

Key details: Guest Parking: Use driveway or designated areas. Street Overnight: Restricted 2 AM–6 AM some areas. Permit Zones: Residential permits required. Lawn Parking: Prohibited.

Parking violations carry fines starting at $30-$50 per ticket. Vehicles parked illegally may be towed at owner expense. Chronic parking issues from an STR may generate neighbor complaints affecting the license.

Noise Rules

STR guests in Gaithersburg must comply with all city and county noise ordinances. Hosts are responsible for informing guests of quiet hours and noise limits. Montgomery County STR license conditions require hosts to provide written house rules addressing noise, and violations may jeopardize the license.

Key details: House Rules: Must address noise, given to guests. Contact Response: Within 1 hour of complaint. Complaint Tracking: Per license by DHCA. Parties: Prohibited beyond occupancy.

Noise complaints are tracked per license. Three or more verified complaints within 12 months may trigger license suspension. Hosts failing to respond to complaints within one hour face separate fines.

This is not one of those rules that cities tend to ignore. Gaithersburg actively enforces its noise rules requirements.

Insurance Requirements

Montgomery County requires STR hosts to maintain adequate liability insurance or platform-provided coverage as a condition of the STR license. Hosts must self-certify insurance compliance. Standard homeowner policies often exclude short-term rental activity, requiring supplemental coverage.

Key details: Requirement: Self-certified on license application. Coverage Options: Homeowner, STR policy, or platform. Recommended: At least $1M liability. Standard Policies: Often exclude STR activity.

Operating without adequate insurance as certified on the license is grounds for license revocation. Hosts may face personal liability for guest injuries if coverage lapses.

This is not one of those rules that cities tend to ignore. Gaithersburg actively enforces its insurance requirements requirements.

Occupancy Limits

Montgomery County limits STR occupancy to a maximum number of guests based on the licensed sleeping areas. The STR license application requires disclosure of bedrooms and sleeping capacity. Events and parties that exceed listed occupancy are prohibited under the license conditions.

Key details: Basis: Bedrooms listed on license. Standard: 2 persons per bedroom typical. Events/Parties: Prohibited beyond occupancy. Advertising: Must match licensed capacity.

Exceeding licensed occupancy may result in fines and license suspension. Hosting events beyond occupancy limits is a separate violation. Advertising capacity above licensed limits is also subject to enforcement.

This is one of the stricter rules in Gaithersburg's municipal code. If you are unsure whether your situation complies, it is worth checking with the city before proceeding.

Night Caps

Montgomery County imposes a 120-night annual cap on short-term rentals under County Code Chapter 54. Hosts may rent their primary residence for a maximum of 120 nights per calendar year. This cap applies whether the host is present or absent during the rental period.

Key details: Annual Cap: 120 nights per calendar year. Law: MoCo Code Ch 54 (Bill 41-19). Applies To: Both hosted and unhosted stays. Reset: January 1 each year. Platform Data: Shared with county for monitoring.

Operating beyond 120 nights carries fines up to $500 per additional night. Persistent violations result in license revocation and potential prohibition from future STR licensing.

This is one of the stricter rules in Gaithersburg's municipal code. If you are unsure whether your situation complies, it is worth checking with the city before proceeding.

Registration Rules

All Gaithersburg STR operators must register and obtain a license from Montgomery County DHCA before listing or operating. The registration process includes safety certification, proof of primary residence, insurance documentation, and tax account registration. License numbers must appear on all advertisements.

Key details: Authority: MoCo DHCA. Requirements: Application, safety cert, insurance, tax registration. License Display: Required on all listings and ads. Public Registry: County maintains list. Transferable: No — tied to operator and address.

Operating without registration carries fines up to $500 per day. Advertising without a license number is a separate fine. Providing false information on the application may result in criminal penalties.

This is not one of those rules that cities tend to ignore. Gaithersburg actively enforces its registration rules requirements.

Permit Requirements

Short-term rentals in Gaithersburg require a license under Montgomery County Bill 41-19 and County Code Chapter 54. Hosts must obtain a short-term rental license from the county, pass safety inspections, and comply with a 120-day annual cap. The city defers to county licensing for STR regulation.

Key details: Law: MoCo Code Ch 54 (Bill 41-19). License Required: Yes, from county DHCA. Primary Residence: Required. License Display: On all listing platforms. Annual Renewal: Required.

Operating without a license carries fines up to $500 per day. Advertising without a license number is a separate violation. The county may issue cease-and-desist orders.

This is one of the stricter rules in Gaithersburg's municipal code. If you are unsure whether your situation complies, it is worth checking with the city before proceeding.

The Bottom Line

Gaithersburg is tougher than many cities when it comes to short-term rentals. Out of the 8 rules covered here, 7 are rated strict. If you are a homeowner, renter, or business owner in Gaithersburg, take the time to understand these requirements before they become a problem. Most violations come with fines, and some repeat violations can escalate.

This guide is based on Gaithersburg's current municipal code. Local rules can and do change, so check the individual ordinance pages for the latest details, penalties, and FAQs.