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Norfolk County, MA Animal Ordinances: Dog Leash Laws (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified April 2026

Key Facts

County Leash Law?
None: municipal jurisdiction
State Authority
MGL c. 140 §157: municipalities regulate dogs at large
Licensing
Annual license required in home municipality (MGL c. 140 §136A)
Typical Fine
$25–$100 first offense (varies by town)
Dog Parks
Several towns have designated off-leash areas

Summary

Norfolk County has no county-level leash law. Dog leash requirements are set by each municipality under MGL c. 140 §157. Most Norfolk County towns require dogs to be leashed in public and at large in private without owner consent.

City-specific rules exist: Quincy, Weymouth, and Brookline have their own dog leash laws rules that differ from Norfolk County's county-level regulations. If you live in one of those cities, check the city-specific page instead.

Section 157. (a) Any person may file a complaint in writing to the hearing authority that a dog owned or kept in the city or town is a nuisance dog or a dangerous dog; provided, however, that no dog shall be deemed dangerous: (i) solely based upon growling or barking or solely growling and barking; (ii) based upon the breed of the dog;

Source: Norfolk County MassachusettsView official code

Full Breakdown

Massachusetts General Laws Chapter 140 §157 authorizes municipalities to regulate dogs running at large and to order them restrained. Norfolk County does not operate a county animal control program: each city and town employs its own Animal Control Officer (ACO). Most Norfolk County municipalities require dogs to be on a leash or under voice control when off the owner's property. Designated off-leash areas (dog parks) are available in several communities. Dogs found running at large may be impounded. State law requires annual dog licensing (MGL c. 140 §136A) in the dog's home municipality.

Violations & Fines

Municipal animal control fines: typically $25–$100 for first offense, increasing for repeat violations. Impoundment fees may apply.

Frequently Asked Questions

Do I have to keep my dog on a leash in Norfolk County?
Norfolk County has no county-level leash law. Dog leash requirements are set by each municipality under MGL c. 140 §157. Most Norfolk County towns require dogs to be leashed in public and at large in private without owner consent.
What is the maximum leash length in Norfolk County?
County Leash Law?: None, municipal jurisdiction. State Authority: MGL c. 140 §157, municipalities regulate dogs at large. Licensing: Annual license required in home municipality (MGL c. 140 §136A). Typical Fine: $25–$100 first offense (varies by town).

Sources & Official References

Other rules in Norfolk County

All Norfolk County rules

Compare Norfolk County to another location·View the Massachusetts animal ordinances overview

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Dog Leash Laws in Cities Across Norfolk County