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Plymouth County, MA Sign Regulations: Political Signs (2026)

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

Key Facts

Regulated by
Town zoning bylaws
Enabling law
MGL c.40A
Content-based rules
Unconstitutional (Reed 2015)
Neutral limits
Size, height, placement OK
County authority
None

Summary

Towns, not Plymouth County, regulate signs, through zoning bylaws authorized by MGL c.40A. Those bylaws must stay content-neutral: after Reed v. Town of Gilbert (2015), a town cannot give political signs a shorter display window or special size limit based on their message.

City-specific rules exist: Brockton has its own political signs rules that differ from Plymouth County's county-level regulations. If you live in Brockton, check the city-specific page instead.

Ordinances and by-laws, adopted by cities and towns to regulate the use of land, buildings and structures to the full extent of the independent constitutional powers of cities and towns to protect the health, safety and general welfare of their present and future inhabitants.

Source: Massachusetts General LawsView official code

Full Breakdown

Massachusetts counties have no sign authority; the rule comes from each town's zoning bylaw under Chapter 40A. Those bylaws reach signs only within the independent constitutional powers of cities and towns, and the First Amendment sets the outer limit. In Reed v. Town of Gilbert, the U.S. Supreme Court held that a sign code treating a sign differently because of its message is content-based and almost never survives. So a Plymouth County town may impose neutral rules on size, height, setback, and placement, but it cannot cap how long a political yard sign stays up while allowing other temporary signs longer, nor demand a permit aimed at political messages.

Violations & Fines

A sign bylaw that limits political signs by their message, a shorter display period or a message-based permit, is unconstitutional under Reed and unenforceable. Content-neutral size and placement limits still apply.

Frequently Asked Questions

Can my town limit how long my political sign stays up?
Not based on its message. After Reed v. Gilbert, a town cannot give political signs a shorter display window than other temporary signs. Neutral size and placement limits still apply.
Do I need a permit for a yard sign?
Not one aimed at political messages. A town's zoning bylaw under c.40A may set neutral placement and size rules, but it cannot single out signs by their content.

Sources & Official References

Other rules in Plymouth County

All Plymouth County rules

Compare Plymouth County to another location·View the Massachusetts sign regulations overview

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