ADU Rules: Bellingham vs Holbrook
How do adu rules rules compare between Bellingham, MA and Holbrook, MA?
Bellingham and Holbrook have similar restriction levels.
Bellingham, MA
Norfolk County
Massachusetts 2024 Affordable Homes Act (MGL c. 40A §3) grants property owners the right to build ADUs on owner-occupied lots by right. Cities and towns cannot ban ADUs but may regulate size (up to 900 sq ft for internal ADUs). Norfolk County has no additional ADU rules.
View full Bellingham rules →Holbrook, MA
Norfolk County
Massachusetts 2024 Affordable Homes Act (MGL c. 40A §3) grants property owners the right to build ADUs on owner-occupied lots by right. Cities and towns cannot ban ADUs but may regulate size (up to 900 sq ft for internal ADUs). Norfolk County has no additional ADU rules.
View full Holbrook rules →Key Facts Comparison
| Fact | Bellingham | Holbrook |
|---|---|---|
| State Law | MGL c. 40A §3 — Affordable Homes Act 2024 | MGL c. 40A §3 — Affordable Homes Act 2024 |
| ADUs by Right | Yes — on owner-occupied single-family lots | Yes — on owner-occupied single-family lots |
| Max Size (Internal) | Up to 900 sq ft (municipalities may limit) | Up to 900 sq ft (municipalities may limit) |
| Bans Allowed? | No — cities cannot ban ADUs under new state law | No — cities cannot ban ADUs under new state law |
| County ADU Rule? | None — regulated by state law and each town | None — regulated by state law and each town |
Highlighted rows indicate differences between cities.
Bellingham FAQ
Can I build an ADU on my property in Norfolk County?
Massachusetts 2024 Affordable Homes Act (MGL c. 40A §3) grants property owners the right to build ADUs on owner-occupied lots by right. Cities and towns cannot ban ADUs but may regulate size (up to 900 sq ft for internal ADUs). Norfolk County has no additional ADU rules.
What are the size limits for an accessory dwelling unit in Norfolk County?
State Law: MGL c. 40A §3 — Affordable Homes Act 2024. ADUs by Right: Yes — on owner-occupied single-family lots. Max Size (Internal): Up to 900 sq ft (municipalities may limit). Bans Allowed?: No — cities cannot ban ADUs under new state law.
Holbrook FAQ
Can I build an ADU on my property in Norfolk County?
Massachusetts 2024 Affordable Homes Act (MGL c. 40A §3) grants property owners the right to build ADUs on owner-occupied lots by right. Cities and towns cannot ban ADUs but may regulate size (up to 900 sq ft for internal ADUs). Norfolk County has no additional ADU rules.
What are the size limits for an accessory dwelling unit in Norfolk County?
State Law: MGL c. 40A §3 — Affordable Homes Act 2024. ADUs by Right: Yes — on owner-occupied single-family lots. Max Size (Internal): Up to 900 sq ft (municipalities may limit). Bans Allowed?: No — cities cannot ban ADUs under new state law.
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