Tiny Homes: Boston vs Revere
How do tiny homes rules compare between Boston, MA and Revere, MA?
Revere has fewer restrictions than Boston.
Boston, MA
Suffolk County
Boston does not recognize tiny houses on wheels as legal dwellings. Tiny homes on foundations must meet full 780 CMR building code and minimum zoning unit size. ADUs are separately governed under 2023 reform.
View full Boston rules →Revere, MA
Suffolk County
Foundation-built tiny homes in Suffolk County are treated as dwellings under 780 CMR and must meet state minimum dimensions. The 2025 MA Affordable Homes Act allows ADUs up to 900 sq ft by right statewide, providing a pathway for tiny homes. Tiny homes on wheels (THOWs) are generally treated as RVs and cannot be used as permanent residences in residential zones.
View full Revere rules →Key Facts Comparison
| Fact | Boston | Revere |
|---|---|---|
| THOW Dwelling | Not allowed year-round | - |
| Foundation Min | District dwelling size | - |
| ADU By Right | Up to 900 sq ft | - |
| State Law | Affordable Homes Act 2023 | Ch. 150 of 2024 |
| Foundation | - | 780 CMR / IRC Appendix Q |
| ADU Path | - | 2025 up to 900 sq ft by right |
| THOW | - | RV class, not residence |
| Min Dimension | - | Per Appendix Q |
Highlighted rows indicate differences between cities.
Boston FAQ
Revere FAQ
Can I park my tiny house on wheels in my Winthrop yard and live in it?
No. THOWs are classified as RVs and cannot be used as permanent residences. Most cities allow short-term RV parking only.
Does the 2025 ADU law help with tiny homes?
Yes — a foundation-built tiny home of 900 sq ft or less can be built as an ADU by right in single-family zones, avoiding special permits.
Compare other topics
See how Boston and Revere compare on other ordinance categories.
Want to add a third city?
Use our full comparison tool to compare up to three cities.
Open Comparison Tool