Occupancy Limits: Cambridge vs Lowell
How do occupancy limits rules compare between Cambridge, MA and Lowell, MA?
Cambridge has fewer restrictions than Lowell.
Cambridge, MA
Middlesex County
Cambridge STRs are limited by building code occupancy based on bedrooms and square footage, and units must be the operator primary residence occupied at least 9 months per year.
View full Cambridge rules →Lowell, MA
Middlesex County
Lowell STR occupancy is governed by the Massachusetts State Sanitary Code 105 CMR 410 which sets minimum square footage per occupant, combined with local fire code egress requirements.
View full Lowell rules →Key Facts Comparison
| Fact | Cambridge | Lowell |
|---|---|---|
| Occupancy Standard | 2 per bedroom plus 2 | - |
| Primary Residence | 9 months minimum | - |
| Building Code | 780 CMR applies | - |
| Listing Disclosure | Maximum occupancy required | - |
| Enforcement | ISD | Lowell Inspectional Services |
| Per occupant minimum | - | 150 sqft first, 100 sqft each add'l |
| Sleeping room minimum | - | 70 sqft for 1, +50 per add'l |
| Egress | - | Two means or rescue window |
Highlighted rows indicate differences between cities.
Cambridge FAQ
How many guests can I host?
Typically 2 per bedroom plus 2 additional, subject to building code minimum square footage.
What counts as primary residence?
The operator must occupy the dwelling as their primary residence at least 9 months per year.
Lowell FAQ
How many guests can stay in my Lowell STR?
Calculate based on 105 CMR 410 square footage minimums and approved sleeping rooms.
Can I use a basement bedroom for STR guests?
Only if it meets egress, ceiling height, and light/ventilation standards under 105 CMR 410.
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