What are the key requirements for Somerville hosts?

Strict 9-month primary residency requirement - you cannot rent out a second home or an investment property.

What should Somerville hosts know about unhosted stays (autonomous units) are?

Unhosted stays (Autonomous Units) are strictly capped at 90 days per calendar year.

What should Somerville hosts know about one listing per booking agent/platform?

One listing per booking agent/platform is allowed - you cannot list rooms separately while also listing the whole unit.

What are the permit fees in Somerville?

A 3% Community Impact Fee may apply to properties in 2-3 family dwellings or 'professionally managed' units.

Somerville

Strict

MassachusettsUpdated Feb 12, 2026

Gold-standard verification1% sourced

Cross-referenced against 0 official sources — municipal codes, planning-department pages, and government registries.

Verified Feb 12, 2026Sources 0

Summary

Plain-english overview

Somerville allows short-term rentals only in the host's primary residence, requiring a mandatory certificate of registration and limiting unhosted rentals to 90 days per year.

Restriction level

Severity 91

Classification

Strict

Severity

Why this classification

Primary residence required
Owner-occupied required
Moderate night cap: 90 nights/year
Standard permit fee: $250
Limited to 1 property per owner
Permit required
Reporting required
Safety standards required
Tenants can host

In plain English

What this means for you

You can only host short-term rentals in the home where you live for at least nine months of the year. You must register with the city, pay a $250 fee, and follow strict safety rules including a mandatory inspection. If you are not staying in the home during the rental, you are capped at 90 days of hosting per year; if you are present, there is no annual limit.

At a glance

Key numbers

Permit requiredYes

Night limit90/year

Primary residenceRequired

Total tax rate0.1%

Permit fee$250

Processing time4-8 weeks

4 things hosts often miss

Common compliance gaps

1Strict 9-month primary residency requirement - you cannot rent out a second home or an investment property.
2Unhosted stays (Autonomous Units) are strictly capped at 90 days per calendar year.
3One listing per booking agent/platform is allowed - you cannot list rooms separately while also listing the whole unit.
4A 3% Community Impact Fee may apply to properties in 2-3 family dwellings or 'professionally managed' units.

Regulation details

Sourced from official code

Eligibility10 rules

Somerville: Your HOA can prohibit short-term rentals even if the city allows them. Check your CC&Rs before applying.
Somerville allows STRs in the following property types: Single Family, Condo, Townhouse, Multi-family (if primary residence).
Somerville: One listing per booking agent/platform is allowed - you cannot list rooms separately while also listing the whole unit.

Requirements12 rules

Somerville STR warning: One listing per booking agent/platform is allowed - you cannot list rooms separately while also listing the whole unit.
Somerville: Tenants CAN host STRs but must get written landlord approval first. Keep documentation.

Application process8 rules

Somerville extended permit requirement: Fee consists of a $50 initial filing fee and a $200 final registration fee upon approval.
Somerville STR permit - Step 1: Register with MA Department of Revenue. Obtain a Certificate of Registration from the Massachusetts DOR for room occupancy excise tax purposes via MassTaxConnect. Required documents: Tax ID, Property Details. Time: 1 week.

Fees & costs2 rules

Somerville: A 3% Community Impact Fee may apply to properties in 2-3 family dwellings or 'professionally managed' units.
Somerville charges a registration fee of $250 (annual).

Taxes2 rules

Somerville charges a Local Room Occupancy Excise of 0.06%. This applies to stays under 31 days. Platforms like Airbnb collect and remit this tax. Note: Platforms like Airbnb typically collect and remit the 5.7% state and 6% local tax directly to the MA DOR.
Massachusetts has a state sales tax of 0.057% that applies to STR rentals.

Limits & restrictions7 rules

Somerville limits stays to a maximum of 27 nights.
Somerville: Unhosted stays (Autonomous Units) are strictly capped at 90 days per calendar year.
Somerville limits STRs to 90 nights per year. This applies to unhosted rentals.
Somerville: Each person can only register ONE property for short-term rental. You cannot legally operate multiple STRs.

Safety requirements1 rule

Somerville requires the following safety measures for STRs: smoke detectors, CO detectors, fire extinguisher, fire inspection, posted maximum occupancy, posted emergency contact, Egress path maps posted in guest rooms, Compliance with State Building and Fire Codes, Pre-certificate inspection by ISD.

Penalties2 rules

Somerville: Repeated violations can result in permanent permit revocation. You would lose the ability to operate any STR.
Somerville enforces the following penalties for STR violations: First offense: Varies by violation. Second offense: Increased fines. Third offense: Increased fines. Daily fine: 300 per day. Permit may be revoked for violations.

Exemptions3 rules

Somerville exempts the following from STR regulations: long-term rentals (30+ days), extended stays, Licensed Bed and Breakfasts, Tourist Homes operating before 2019 (under specific conditions).
Somerville: Rentals of 30+ days are generally NOT considered short-term rentals and may be exempt from STR regulations (but may have other requirements).

How to get permitted

Step-by-step guide for Somerville

0/4

steps completed

Step 1

Register with MA Department of Revenue

Obtain a Certificate of Registration from the Massachusetts DOR for room occupancy excise tax purposes via MassTaxConnect.

1 weekFree

Documents needed

Tax ID
Property Details

Official resource

Step 2

Gather Residence and Safety Documents

Collect proof of primary residence (deed/lease and utility bill), proof of $1M liability insurance, and a floor plan showing all egress paths.

1-2 weeksFree

Documents needed

Lease or Deed
Utility bill
Insurance Certificate
Floor Plan

Step 3

Submit Application via CitizenServe

Create an account on the Somerville CitizenServe portal and complete the Short-Term Rental Registration application. Pay the initial filing fee.

1 hour$50

Documents needed

All documents from Step 2
MA DOR Certificate
Owner Affidavits

Official resource

Step 4

Pass Inspection and Final Payment

Schedule and pass a safety inspection by the Inspectional Services Department. Once approved, pay the remaining registration fee to receive your certificate.

2-4 weeks$200

Frequently asked questions

4 answered

Disclaimer

Regulatory information is AI-researched from public city/county codes for educational purposes. Details may be outdated or incomplete. Always verify requirements directly with your city/county planning department before operating a short-term rental.

Researched & verified by Learn STR at GoStudioM

Somerville

Strict

MassachusettsUpdated Feb 12, 2026

Gold-standard verification1% sourced

Cross-referenced against 0 official sources — municipal codes, planning-department pages, and government registries.

Verified Feb 12, 2026Sources 0

Summary

Plain-english overview

Somerville allows short-term rentals only in the host's primary residence, requiring a mandatory certificate of registration and limiting unhosted rentals to 90 days per year.

Restriction level

Severity 91

Classification

Strict

Severity

Why this classification

Primary residence required
Owner-occupied required
Moderate night cap: 90 nights/year
Standard permit fee: $250
Limited to 1 property per owner
Permit required
Reporting required
Safety standards required
Tenants can host

In plain English

What this means for you

At a glance

Key numbers

Permit requiredYes

Night limit90/year

Primary residenceRequired

Total tax rate0.1%

Permit fee$250

Processing time4-8 weeks

4 things hosts often miss

Common compliance gaps

1Strict 9-month primary residency requirement - you cannot rent out a second home or an investment property.
2Unhosted stays (Autonomous Units) are strictly capped at 90 days per calendar year.
3One listing per booking agent/platform is allowed - you cannot list rooms separately while also listing the whole unit.
4A 3% Community Impact Fee may apply to properties in 2-3 family dwellings or 'professionally managed' units.

Regulation details

Sourced from official code

Eligibility10 rules

Somerville: Your HOA can prohibit short-term rentals even if the city allows them. Check your CC&Rs before applying.
Somerville allows STRs in the following property types: Single Family, Condo, Townhouse, Multi-family (if primary residence).
Somerville: One listing per booking agent/platform is allowed - you cannot list rooms separately while also listing the whole unit.

Requirements12 rules

Somerville STR warning: One listing per booking agent/platform is allowed - you cannot list rooms separately while also listing the whole unit.
Somerville: Tenants CAN host STRs but must get written landlord approval first. Keep documentation.

Application process8 rules

Somerville extended permit requirement: Fee consists of a $50 initial filing fee and a $200 final registration fee upon approval.
Somerville STR permit - Step 1: Register with MA Department of Revenue. Obtain a Certificate of Registration from the Massachusetts DOR for room occupancy excise tax purposes via MassTaxConnect. Required documents: Tax ID, Property Details. Time: 1 week.

Fees & costs2 rules

Somerville: A 3% Community Impact Fee may apply to properties in 2-3 family dwellings or 'professionally managed' units.
Somerville charges a registration fee of $250 (annual).

Taxes2 rules

Somerville charges a Local Room Occupancy Excise of 0.06%. This applies to stays under 31 days. Platforms like Airbnb collect and remit this tax. Note: Platforms like Airbnb typically collect and remit the 5.7% state and 6% local tax directly to the MA DOR.
Massachusetts has a state sales tax of 0.057% that applies to STR rentals.

Limits & restrictions7 rules

Somerville limits stays to a maximum of 27 nights.
Somerville: Unhosted stays (Autonomous Units) are strictly capped at 90 days per calendar year.
Somerville limits STRs to 90 nights per year. This applies to unhosted rentals.
Somerville: Each person can only register ONE property for short-term rental. You cannot legally operate multiple STRs.

Safety requirements1 rule

Somerville requires the following safety measures for STRs: smoke detectors, CO detectors, fire extinguisher, fire inspection, posted maximum occupancy, posted emergency contact, Egress path maps posted in guest rooms, Compliance with State Building and Fire Codes, Pre-certificate inspection by ISD.

Penalties2 rules

Somerville: Repeated violations can result in permanent permit revocation. You would lose the ability to operate any STR.
Somerville enforces the following penalties for STR violations: First offense: Varies by violation. Second offense: Increased fines. Third offense: Increased fines. Daily fine: 300 per day. Permit may be revoked for violations.

Exemptions3 rules

Somerville exempts the following from STR regulations: long-term rentals (30+ days), extended stays, Licensed Bed and Breakfasts, Tourist Homes operating before 2019 (under specific conditions).
Somerville: Rentals of 30+ days are generally NOT considered short-term rentals and may be exempt from STR regulations (but may have other requirements).

How to get permitted

Step-by-step guide for Somerville

0/4

steps completed

Step 1

Register with MA Department of Revenue

Obtain a Certificate of Registration from the Massachusetts DOR for room occupancy excise tax purposes via MassTaxConnect.

1 weekFree

Documents needed

Tax ID
Property Details

Official resource

Step 2

Gather Residence and Safety Documents

Collect proof of primary residence (deed/lease and utility bill), proof of $1M liability insurance, and a floor plan showing all egress paths.

1-2 weeksFree

Documents needed

Lease or Deed
Utility bill
Insurance Certificate
Floor Plan

Step 3

Submit Application via CitizenServe

Create an account on the Somerville CitizenServe portal and complete the Short-Term Rental Registration application. Pay the initial filing fee.

1 hour$50

Documents needed

All documents from Step 2
MA DOR Certificate
Owner Affidavits

Official resource

Step 4

Pass Inspection and Final Payment

Schedule and pass a safety inspection by the Inspectional Services Department. Once approved, pay the remaining registration fee to receive your certificate.

2-4 weeks$200

Frequently asked questions

4 answered

Disclaimer

Researched & verified by Learn STR at GoStudioM

Summary

Restriction level

Why this classification

In plain English

At a glance

4 things hosts often miss

Regulation details

How to get permitted

Register with MA Department of Revenue

Gather Residence and Safety Documents

Submit Application via CitizenServe

Pass Inspection and Final Payment

Frequently asked questions

1Do I need a permit for short-term rentals in Somerville?

2What is the TOT tax rate in Somerville?

3Are there rental night limits in Somerville?

4What are the penalties for non-compliance in Somerville?

Disclaimer

Summary

Restriction level

Why this classification

In plain English

At a glance

4 things hosts often miss

Regulation details

How to get permitted

Register with MA Department of Revenue

Gather Residence and Safety Documents

Submit Application via CitizenServe

Pass Inspection and Final Payment

Frequently asked questions

1Do I need a permit for short-term rentals in Somerville?

2What is the TOT tax rate in Somerville?

3Are there rental night limits in Somerville?

4What are the penalties for non-compliance in Somerville?

Disclaimer