Overview: Are Short-Term Rentals Allowed in Belmont, Massachusetts?

Short-term rentals are explicitly prohibited in Accessory Dwelling Units (ADUs) in Belmont, Massachusetts. For primary residences and other dwelling units, Belmont has not enacted specific short-term rental regulations as of the provided documentation. However, Massachusetts state-level requirements for short-term rental registration and taxation still apply to any STR operations in Belmont.

How to Start a Short-Term Rental Business in Belmont

For Primary Residences (Non-ADU Properties):

1. Verify Zoning Compliance: Ensure your property is in an appropriate zoning district for short-term rental operations
2. State Registration: Register with the Massachusetts Department of Revenue (DOR) and obtain a Certificate of Registration for each property
3. Tax Compliance: Set up systems to collect and remit state and local room occupancy taxes
4. Insurance: Ensure adequate liability and property insurance coverage
5. Local Compliance: Monitor for any future local STR regulations that may be enacted

For ADU Properties:

ADUs cannot be used for short-term rentals under any circumstances in Belmont. This prohibition is explicitly stated in the ADU bylaw and FAQs.

Required Documents, Permits, Licenses, and Guidelines

State-Level Requirements (All STR Properties):

• Massachusetts DOR Certificate of Registration for each property
• Room Occupancy Excise Tax Registration
• Compliance with Massachusetts short-term rental definitions and regulations

Local Requirements (If Applicable):

• Building permits for any renovations (standard for all construction)
• Zoning compliance verification
• Certificate of Occupancy (standard requirement)

Documentation Needed:

• Property ownership documentation
• Building permit applications (if renovations planned)
• Site plans and floor plans
• Written acknowledgment of ADU restrictions (if applicable)

Specific Regulations for Short-Term Rentals

Belmont Municipal Regulations:

ADU-Specific Prohibitions:

• Explicit prohibition of short-term rentals in all Accessory Dwelling Units
• Neither the ADU nor the primary residence may be used for short-term rentals when an ADU is present
• This prohibition applies to all ADU types: interior, attached, and detached units

General Zoning Considerations:

• Hotels and lodging establishments are addressed in zoning discussions but specific STR regulations for primary dwellings are not yet established
• The Economic Development Committee has discussed potential STR regulations but no final rules have been enacted

Massachusetts State Regulations:

Registration Requirements:

• Operator Registration: Anyone operating a short-term rental must register with DOR
• Certificate of Registration: Required for each property and must be posted
• Intermediary Registration: Platforms and agents must also register

Tax Obligations:

• Room Occupancy Excise Tax: State tax plus local option taxes
• Combined Reporting: State and local taxes reported on same return
• 14-Day Exemption: May be claimed for certain rental activities

Definitions:

• Short-term rentals include apartments, houses, cottages, and condominiums
• Excludes tenancies at will, month-to-month leases, time-share properties, and bed and breakfast homes

Contact Information

Local Authorities:

Community Development Department

• Email: Cdev@belmont.gov
• Phone: 650-595-7417
• Address: Belmont City Hall

Planning and Zoning Division

• Contact: Christopher Ryan, Director and Town Planner
• Email: cryan@belmont-ma.gov
• Website: www.belmont-ma.gov/2029/Accessory-Dwelling-Units-By-Law

State Authorities:

Massachusetts Department of Revenue

• Registration portal and tax filing through MassTaxConnect
• Website: mass.gov
• Phone: Check DOR website for current contact information

Source Links

Primary Sources:

1. Belmont ADU FAQs - March 3, 2025
2. Belmont Planning & Zoning - Accessory Dwelling Units
3. Massachusetts DOR - Short-Term Rental Information

Supporting Sources:

4. Belmont Voice - ADU Bylaw Amendment Article
5. Belmont Hotel Zoning Discussion Document

Important Notes for Investors

1. ADU Prohibition is Absolute: The ban on STRs in ADUs is explicit and comprehensive
2. Regulatory Landscape in Flux: Belmont is actively discussing broader STR regulations
3. State Requirements Always Apply: Even in the absence of local rules, Massachusetts state registration and tax requirements must be met
4. Future Regulatory Changes: Monitor local meetings and planning documents for potential STR regulation developments
5. Zoning Compliance Essential: Ensure any STR activity complies with underlying zoning requirements

Investment Recommendation: Given the prohibition on ADU STRs and the lack of established primary dwelling STR regulations, investors should carefully consider the regulatory uncertainty and potential for future restrictions before investing in Belmont STR properties.