Short-Term Rentals in Boston, MA

Every city handles short-term rentals a little differently. In Boston, Massachusetts, there are 9 distinct rules that residents and property owners should be aware of. Some are stricter than what neighboring cities enforce, and others are more relaxed. Here is what you need to know.

Host Presence Rule

Boston's short-term rental ordinance defines a Limited Share Unit as the operator's primary residence rented out only while the operator is physically present. Occupancy caps at three bedrooms or six guests, whichever is fewer, and one bedroom must stay reserved for the operator at all times.

Key details: Max occupancy: 3 bedrooms or 6 guests, whichever less. Bedrooms reserved for operator: 1 bedroom minimum. Annual registration fee: $25 (limited share unit). Max rental days/year: 365 days, if presence maintained. Enforcing agency: Inspectional Services Department (ISD).

Offering a unit as a short-term rental without valid registration draws a $100-per-day fine under § 9-14.9(B), with each day of noncompliance a separate violation. Listing a unit that is ineligible, including one falsely claimed as a Limited Share Unit without a present operator, carries a $300-per-day fine under § 9-14.9(A) and can draw an injunction from ISD.

Boston lets two categories of short-term rental run with no day-count ceiling: the operator's own primary-residence Home Share Unit, and a second Owner-Adjacent Unit in the same two- or three-family building. Both can be listed up to 365 days a year once registered with ISD under § 9-14.5(C)-(D).

Key details: Home share max days/year: 365 days. Owner-adjacent max days/year: 365 consecutive days. Owner-adjacent building types: 2- or 3-family dwellings only. Owner-adjacent units per operator: 1, plus the primary unit. Annual fee (each category): $200.

A unit loses eligibility for 365-day home share or owner-adjacent status if it accrues three violation findings within six months (§ 9-14.4A(D)) or is designated a problem property (§ 9-14.4A(C)). Renting an ineligible unit draws a $300-per-day fine, and renting an unregistered unit draws $100 per day, both under § 9-14.9.

Host Platform Liability

Boston requires short-term rental booking platforms, the ordinance's term for services like Airbnb or Vrbo, to sign enforcement agreements with the ISD Commissioner or be barred from doing business in the city. Platforms that sign must actively pull ineligible or unregistered listings under Code of Ordinances § 9-14.10(B).

Key details: Consequence for refusing agreement: Barred from conducting business in city. Agent duty: Remove ineligible/overlimit/unregistered listings. Reporting frequency: Monthly electronic listing report. Fine for booking ineligible unit: $300 per violation per day. Administering office: ISD Commissioner.

A booking agent that will not sign an ISD enforcement agreement, or signs one but fails to actively remove ineligible or unregistered listings, is 'prohibited from conducting business in the city' under § 9-14.10(B)(2): an outright exclusion, not a fine schedule. Separately, § 9-14.9(A) fines any booking agent that 'accepts a fee for booking a unit as a short-term rental' where the unit is ineligible $300 per violation per day.

Compared to other cities, Boston takes a harder line on host platform liability. The enforcement and penalty structure reflects that.

Insurance Requirements

Boston STR hosts must carry at least $1 million in liability coverage for the unit, either through a personal policy endorsement or the hosting platform.

Key details: Minimum Coverage: $1,000,000. Acceptable Source: Platform coverage or landlord policy. Filing: Certificate at registration. Condos: Check master policy and bylaws.

Compared to other cities, Boston takes a harder line on insurance requirements. The enforcement and penalty structure reflects that.

Taxes & Fees

Boston short-term rental operators registered under the city's Inspectional Services regime must also collect and remit the Massachusetts Room Occupancy Excise under M.G.L. Chapter 64G. Operators may route collection through a booking agent under a city agreement, but the underlying tax duty runs to the operator directly.

Key details: Governing tax statute: M.G.L. Chapter 64G Room Occupancy Excise. Local ordinance section: Boston Code § 9-14.7. Collector of record: Operator, or booking agent under city agreement. Related registration fee: $25-$200 per unit annually (§ 9-14.6). Noncompliance fine: $100 per violation per day (§ 9-14.9).

Section 9-14.7 has no standalone fine; noncompliance is folded into the ordinance's general enforcement chain. ISD may investigate a complaint under Section 9-14.8, issue a notice of violation, and if it is not remedied, Section 9-14.9 sets fines of $100 per violation per day for failing to comply with a notice of violation, with each day of continued noncompliance a separate offense; ISD may also seek a court injunction.

Primary-Residence-Only Rule

Boston Ordinance 12-9.1 (2018, revised 2019) restricts short-term rentals to a host's primary residence. Investor-owned, non-owner-occupied units cannot legally operate as STRs anywhere in Boston regardless of zoning.

Key details: Citation: Boston Code Ch. 9 §9-14. Effective: January 2019. Enforcing agency: ISD. Investor units: Categorically prohibited. Min stay threshold: Under 28 days.

Operating a non-primary residence as a short-term rental is prohibited and triggers daily fines. ISD may cite both host and listing platform.

Compared to other cities, Boston takes a harder line on primary-residence-only rule. The enforcement and penalty structure reflects that.

Repeat Violator Strikes

Boston requires Airbnb, Vrbo, and similar platforms to delist units that accumulate repeated nuisance, registration, or zoning violations. ISD maintains a violator list shared with platforms, who must remove flagged listings within five business days.

Key details: Strike threshold: Three within 12 months. Platform takedown window: Five business days. Platform fine: Up to $300/day/listing. Court precedent: Airbnb v. Boston (1st Cir. 2019).

Booking platforms that fail to delist flagged units after notice owe penalties of up to $300 per day per listing, in addition to host-side enforcement.

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

Short-Term Rental Permits

Boston requires every short-term rental to register with the Inspectional Services Department, pay an annual fee, and display the registration number in every listing citywide.

Key details: Enforcer: Inspectional Services Department. Annual Fee: $200 Home Share. Smoke/CO Cert: Required from BFD. Unpermitted Fine: Up to $300/day.

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

Noise Rules

Boston STRs must comply with local noise bylaws. Hosts responsible for guest behavior. Complaints may trigger license review.

Key details: Quiet Hours: 11 PM to 8 AM typical. Parties: Generally prohibited. Response: Host must respond promptly. State Law: MGL c.64G authority.

Noise violation at STR: $100 to $500. Multiple complaints: license suspension/revocation. Host responsible for guest behavior.

The Bottom Line

Boston is tougher than many cities when it comes to short-term rentals. Out of the 9 rules covered here, 5 are rated strict. If you are a homeowner, renter, or business owner in Boston, take the time to understand these requirements before they become a problem. Most violations come with fines, and some repeat violations can escalate.

All of the above reflects Boston's municipal code as of our last review. If you need specifics on fines, exemptions, or filing requirements, the detailed ordinance pages linked above have the full breakdown.