Beta — site is under development, information may contain errors. Read disclaimer

Newton Zoning & Land Use Guide

Last updated: Verified:

Key Zoning Facts

Building Code Edition
MA State Building Code (780 CMR, based on 2021 IBC)
ADUs Allowed
Yes
Primary District
SR-1 Single Residence 1
Max Height
35 ft

Regulatory Layers That Apply in Newton

Your property is subject to ALL of these regulatory layers. Each one can impose additional requirements beyond the others.

Federal

State — Massachusetts

  • Building Code: MA State Building Code (780 CMR, based on 2021 IBC)
  • State ADU Override: Yes (MA ADU Law (2024) — requires single-family zones to allow ADUs by right)
View Massachusetts zoning overview

County — Middlesex County

  • Role: Property records, tax assessment, unincorporated area planning

City / Municipal

The city's zoning ordinance, building codes, and local permits form the primary layer of land-use regulation for your property.

Overlay Districts

No overlay districts identified.

Private Restrictions

  • HOA / CC&Rs common: Yes
  • Check HOA CC&Rs for additional restrictions.

Primary Zoning Districts

District CodeNameMin LotMax HeightFront SetbackSide SetbackRear SetbackFAR
SR-1Single Residence 115,000 sq ft35 ft30 ft15 ft30 ft
MR-2Multi-Residence 25,000 sq ft45 ft15 ft10 ft20 ft
BU-2Business 25,000 sq ft45 ft0 ft0 ft15 ft

ADU Rules in Newton

ADUs:Allowed
Max Size
900 sq ft
Max Height
20 ft
Rear Setback
5 ft
Side Setback
5 ft
Parking
No additional parking required
Owner Occupancy
Not required under state ADU law
Permit Timeline
60-90 days
Full ADU rules for Newton

Official Sources

Frequently Asked Questions

Frequently Asked Questions

Can I build an ADU in Newton?
Yes. Under the 2024 Massachusetts ADU law, single-family zones must allow ADUs by right. Newton permits ADUs up to 900 sq ft.
How do I find the zoning for my property in Newton?
Use the Newton Department of Planning and Development's online zoning map or contact the department for a parcel-specific zoning determination.
What zones allow multi-family housing in Newton?
Multi-family housing is permitted in MR (Multi-Residence) districts and various business and mixed-use zones in Newton's village centers.