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Accessory Structures in Springfield, MA (2026)

5 verified accessory structures rules for Springfield, Massachusetts, sourced directly from the municipal code and official government pages.

Verified from official government sources

ADU Rules

MA enacted ADU legislation (2024 Affordable Homes Act) requiring municipalities to allow ADUs by right on single-family lots. Recent and evolving mandate.

Springfield ADU (Accessory Dwelling Unit) Rules

Some Restrictions

Shed Rules

Springfield allows small sheds without building permits (typically under 100 to 200 sq ft) under MA Building Code (780 CMR). Setbacks still apply.

Springfield Shed & Outbuilding Rules

Few Restrictions

Garage Conversions

Garage conversions in Springfield require building permits under MA Building Code (780 CMR). May qualify as ADU under recent state legislation.

Springfield Garage Conversion Rules

Some Restrictions

Carport Rules

Springfield requires permits for carport construction. Setback requirements, height limits, and lot coverage maximums apply.

Springfield Carport Construction Rules

Some Restrictions

Tiny Homes

Springfield regulates tiny homes differently based on whether they are on a permanent foundation or on wheels. Zoning and minimum square footage requirements apply.

Springfield Tiny Home & Small Dwelling Rules

Some Restrictions

Looking for Hampden County county-wide rules?

County ordinances apply to unincorporated areas and may supplement Springfield city rules.

Accessory Structures in Hampden County