ADU Rules: Burlington vs Wakefield
How do adu rules rules compare between Burlington, MA and Wakefield, MA?
Burlington and Wakefield have similar restriction levels.
Burlington, MA
Middlesex County
Under the 2024 MA Affordable Homes Act (MGL c.40A s.3A), ADUs up to 900 sq ft are allowed by-right on every single-family lot in Middlesex County. No owner-occupancy or special permit required.
View full Burlington rules →Wakefield, MA
Middlesex County
Wakefield adopted a local Accessory Dwelling Unit zoning bylaw at the May 2025 Annual Town Meeting to comply with Massachusetts' Affordable Homes Act (Chapter 150 of the Acts of 2024, Section 8), which took effect statewide February 2, 2025. The state law amends G.L. c. 40A and allows ADUs up to 900 sq ft (or 50% of the primary dwelling, whichever is smaller) by-right in all single-family zoning districts.
View full Wakefield rules →Key Facts Comparison
| Fact | Burlington | Wakefield |
|---|---|---|
| State Law | MGL c.40A s.3A (Feb 2025) | - |
| Max Size | 900 sq ft or 50 percent | - |
| Owner-Occupancy | Not required | - |
| Parking Max | 2 spaces max | - |
| Review Type | By-right, no special permit | - |
| State Code | - | G.L. c. 40A; Affordable Homes Act §8 |
| Effective Date | - | February 2, 2025 (statewide) |
| Local Bylaw | - | Adopted May 2025 ATM |
| Max ADU Size | - | 900 sq ft or 50% of primary |
| Approval | - | By right; no special permit |
Highlighted rows indicate differences between cities.
Burlington FAQ
Can I build an ADU on my lot in Middlesex County?
Yes. As of February 2025, the Affordable Homes Act requires all MA municipalities to allow ADUs by right on single-family lots up to 900 sq ft.
Do I have to live on the property?
No. The statewide ADU law prohibits owner-occupancy requirements, so you can rent both units.
Wakefield FAQ
Are ADUs allowed by-right in Wakefield?
Yes. Under Section 8 of the Massachusetts Affordable Homes Act (effective February 2, 2025) and Wakefield's local bylaw adopted at the May 2025 Annual Town Meeting, one ADU up to 900 sq ft is allowed by-right in any zoning district that allows single-family dwellings.
How big can a Wakefield ADU be?
Up to 900 sq ft, or 50% of the primary dwelling's gross floor area, whichever is smaller, under the state law amending G.L. c. 40A. The ADU must have a separate entrance and meet the State Building Code (780 CMR).
Can Wakefield require owner-occupancy or a special permit?
No. The Affordable Homes Act prohibits municipalities from requiring owner-occupancy or a special permit/variance for ADUs in single-family zones, though objective dimensional and short-term-rental restrictions are allowed.
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