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Quincy Zoning & Land Use Guide

Last updated: Verified:

Key Zoning Facts

Planning Department
City of Quincy Planning Department(617) 376-1362
Building Code Edition
MA State Building Code (780 CMR, based on 2021 IBC)
ADUs Allowed
Yes
Primary District
R-1 Residence A
Max Height
35 ft

Regulatory Layers That Apply in Quincy

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 — Norfolk 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
R-1Residence A7,500 sq ft35 ft20 ft10 ft20 ft
R-3Residence C4,000 sq ft50 ft15 ft8 ft20 ft
B-1Business A3,000 sq ft45 ft0 ft0 ft10 ft

ADU Rules in Quincy

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 Quincy

Official Sources

Frequently Asked Questions

Frequently Asked Questions

Can I build an ADU in Quincy?
Yes. Under the 2024 Massachusetts ADU law, single-family zones must allow ADUs by right. Quincy permits ADUs up to 900 sq ft.
How do I find the zoning for my property in Quincy?
Visit the Quincy Planning Department website for zoning maps or contact the department for parcel-specific zoning information.
What zones allow multi-family housing in Quincy?
Multi-family housing is permitted in Residence C, Residence D, and various commercial and mixed-use overlay districts, particularly near MBTA Red Line stations.