Massachusetts Statewide Rule

Massachusetts Dog Leash and Restraint Laws

Some RestrictionsApplies statewide across Massachusetts (2026)

State law requires dogs be effectively controlled or restrained, with municipalities authorized to enact local leash ordinances. Owners are strictly liable for dog-caused injuries.

Key Facts

Statute: M.G.L. c. 140 §155-174E
Tethering Limit: 5 hours daily max
Owner Liability: Strict liability
Local Authority: Cities set leash rules

Source: Massachusetts General Court

Full Breakdown

Under M.G.L. Chapter 140 Sections 173A and 174E, dogs cannot be chained or tethered outside for more than five hours per day or between 10pm and 6am. Owners are strictly liable under Section 155 for damages caused by their dog. Municipalities may adopt leash ordinances, and most cities require leashes in public spaces. State law authorizes animal control officers to impound loose dogs.

Violations & Penalties

Fines from $50 to $500 per violation; impoundment of dog; potential strict liability for damages caused by unleashed dog.

Frequently Asked Questions

Are dogs required to be leashed statewide in Massachusetts?

State law does not impose a universal leash requirement, but most municipalities require leashes in public. Owners must control dogs and are strictly liable for damages.

How long can a dog be tethered outside in Massachusetts?

M.G.L. c. 140 §174E limits outdoor tethering to five hours per 24-hour period and prohibits tethering between 10pm and 6am.

Sources

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Full Breakdown

Frequently Asked Questions

Are dogs required to be leashed statewide in Massachusetts?

State law does not impose a universal leash requirement, but most municipalities require leashes in public. Owners must control dogs and are strictly liable for damages.

How long can a dog be tethered outside in Massachusetts?

M.G.L. c. 140 §174E limits outdoor tethering to five hours per 24-hour period and prohibits tethering between 10pm and 6am.