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Short-Term Rental Regulations
in Cambridge, MA

Last verified: March 2026 · Report an update

Zoning & Conditions

Only operator-occupied (primary residence) and owner-adjacent (operator owns building of 4 or fewer units and lives in one) STRs are permitted. Operator-occupied units may rent up to three bedrooms and the operator must occupy the unit during rentals (limitations apply for absences >7 days). Units with affordable housing restrictions are ineligible, and operators must maintain liability insurance and records for three years.

How to Obtain a Permit

1) Submit an online application via the Inspectional Services Department (ISD) portal with proof of primary residence, floor plans, and proof of liability insurance. 2) Pay the $500 registration fee (or opt for a $100/year payment plan) and schedule a mandatory safety inspection. 3) Upon passing the inspection, receive a Certificate of Registration valid for five years.

Official Resources

Official Cambridge STR regulation source

Frequently Asked Questions

Are short-term rentals allowed in Cambridge, MA?
Only operator-occupied (primary residence) and owner-adjacent (operator owns building of 4 or fewer units and lives in one) STRs are permitted. Operator-occupied units may rent up to three bedrooms and the operator must occupy the unit during rentals (limitations apply for absences >7 days). Units with affordable housing restrictions are ineligible, and operators must maintain liability insurance and records for three years.
Is a permit required to operate a short-term rental in Cambridge?
Yes, a permit is required to operate a short-term rental in Cambridge. 1) Submit an online application via the Inspectional Services Department (ISD) portal with proof of primary residence, floor plans, and proof of liability insurance. 2) Pay the $500 registration fee (or opt for a $100/year payment plan) and schedule a mandatory safety inspection. 3) Upon passing the inspection, receive a Certificate of Registration valid for five years.
How do I get a short-term rental permit in Cambridge?
1) Submit an online application via the Inspectional Services Department (ISD) portal with proof of primary residence, floor plans, and proof of liability insurance. 2) Pay the $500 registration fee (or opt for a $100/year payment plan) and schedule a mandatory safety inspection. 3) Upon passing the inspection, receive a Certificate of Registration valid for five years.
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Disclaimer

This information is for general reference only and may not reflect the most current regulations. STR regulations change frequently. Always verify requirements with official local government sources before operating a short-term rental.

Last verified: March 2026 · Suggest a correction