Not legal advice. This is a free reference compiled from official government sources. Laws change and local details matter. Confirm every deadline with the official source or a licensed attorney before you rely on it.
Annual rental registration with ISD by July 1 Verified
Deadline: Every year by July 1
Register every Boston rental property with Inspectional Services each year by July 1 and pay the per-unit fee; late registration can draw a $300-per-month penalty.
Who it covers: All rental properties. Owner-occupied buildings with six or fewer units must still register annually (the city's trifold says they are exempt from fees/inspections; that text extracted poorly and is not quoted). Fees: $25/unit first-time, $15/unit renewal; max $2,500/building or $5,000/complex.
"You must register your rental property every year. The deadline to register is July 1." boston.gov
"$15 for each unit for renewal registrations." boston.gov
"If you don't register and pay the fee by the deadline, we may charge you a penalty of $300 each month until you do." boston.gov
Notes: Boston Rental Registration and Inspection Ordinance. Adds to MA state law (no statewide registry).
Last verified 2026-10-20 · Confidence: medium · Status: verified · Report a correction
Periodic rental inspection at least once every five years Verified
Deadline: Every 5 years from the last inspection
Non-exempt rental properties are selected for a city rental inspection once every five years; you'll get a notice by mail when selected.
Who it covers: Exempt: buildings with six or fewer units where the owner lives in one unit; government-owned; licensed lodging houses. Vacant units are NOT exempt. Owners can use a city inspector ($50/unit for 1-3 unit buildings, $75/unit for 4+) or an authorized inspector ($15 filing fee per report).
"If you have a rental property in Boston, you will be selected for a rental inspection once every five years." boston.gov
"buildings that have six or fewer units with the property owner living in one of the units" boston.gov
Notes: Exact due date is set by the city's notice, not a fixed calendar date.
Last verified 2026-10-20 · Confidence: medium · Status: verified · Report a correction
At least one full rental period or 30 days before the tenancy ends, whichever is longer (dated 31 days ahead to cover a full monthly rent period; three months' notice if rent is paid less often than every three months)