4 county-level rules, plus city-specific rules for 1 city in Middlesex County, Massachusetts.
Verified from official government sources
Under the Massachusetts State Building Code (780 CMR), one-story detached storage sheds of 200 square feet or less do not require a building permit. Sheds over 200 square feet require a permit from the local building department. All sheds must comply with municipal zoning setback requirements, which vary by town.
Under the Massachusetts State Building Code (780 CMR), fences 6 feet or less in height do not require a building permit. Fences over 6 feet require a permit. Municipal zoning bylaws may impose additional height restrictions. Massachusetts' spite fence law (MGL Ch. 49 §21) limits malicious fences to 6 feet.
Under the Massachusetts State Building Code (780 CMR), decks not exceeding 200 square feet, not more than 30 inches above grade, and not attached to a dwelling are exempt from permits. Larger or elevated decks require a building permit from the local building department. Concrete patios at grade generally do not require permits.
Under the Massachusetts State Building Code (780 CMR), building permits are required for most renovation work beyond ordinary repairs and cosmetic changes. Structural, electrical, plumbing, and gas work all require permits. Ordinary repairs (replacing broken glass, patching walls, minor plumbing fixes) are exempt. All permits are issued by local building departments.
1 cities in Middlesex County have their own permit requirements rules. Each link goes to that city's dedicated page with code citations.
See every category we cover for Middlesex County — parking, noise, fences, fires, animals, pools, and more.
Middlesex County Ordinance Hub →