ADU Rules: Attleboro vs Taunton
How do adu rules rules compare between Attleboro, MA and Taunton, MA?
Attleboro and Taunton have similar restriction levels.
Attleboro, MA
Bristol County
Under Massachusetts law (Ch. 358 of Acts of 2024, effective Feb 2025), ADUs under 900 sq ft are allowed by right on single-family lots statewide, including Attleboro. ADUs must have a separate entrance and cannot exceed 900 sq ft or half the principal dwelling area. Both attached and detached ADUs are permitted.
View full Attleboro rules →Taunton, MA
Bristol County
Under Massachusetts law (Ch. 358 of Acts of 2024, effective Feb 2025), ADUs under 900 sq ft are allowed by right on single-family lots statewide, including Taunton. ADUs must have a separate entrance and cannot exceed 900 sq ft or half the principal dwelling area. Building permits are required.
View full Taunton rules →Key Facts Comparison
| Fact | Attleboro | Taunton |
|---|---|---|
| State Law | Ch. 358 Acts of 2024 — by right | Ch. 358 Acts of 2024 — by right |
| Max Size | 900 sq ft or 50% of principal dwelling | 900 sq ft or 50% of principal dwelling |
| Types | Attached, internal, or detached | - |
| Owner Occupancy | Cannot be required by municipality | Cannot be required by municipality |
| Effective Date | - | February 2, 2025 |
Highlighted rows indicate differences between cities.
Attleboro FAQ
Can I build an ADU on my property in Attleboro?
Under Massachusetts law (Ch. 358 of Acts of 2024, effective Feb 2025), ADUs under 900 sq ft are allowed by right on single-family lots statewide, including Attleboro. ADUs must have a separate entrance and cannot exceed 900 sq ft or half the principal dwelling area. Both attached and detached...
What are the size limits for an accessory dwelling unit in Attleboro?
State Law: Ch. 358 Acts of 2024 — by right. Max Size: 900 sq ft or 50% of principal dwelling. Types: Attached, internal, or detached. Owner Occupancy: Cannot be required by municipality.
Taunton FAQ
Can I build an ADU on my property in Taunton?
Under Massachusetts law (Ch. 358 of Acts of 2024, effective Feb 2025), ADUs under 900 sq ft are allowed by right on single-family lots statewide, including Taunton. ADUs must have a separate entrance and cannot exceed 900 sq ft or half the principal dwelling area. Building permits are required.
What are the size limits for an accessory dwelling unit in Taunton?
State Law: Ch. 358 Acts of 2024 — by right. Max Size: 900 sq ft or 50% of principal dwelling. Effective Date: February 2, 2025. Owner Occupancy: Cannot be required by municipality.
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