Massachusetts/East Longmeadow

ADU Rules in East Longmeadow, MA

East Longmeadow follows the Massachusetts state baseline with local regulations.

Data verified as of March 2, 2026
State Baseline Only — Local Details Not Yet Researched

State Baseline Only

This page uses Massachusetts state baseline rules. Local setbacks, height limits, and other dimensional standards may vary. Contact your local building department for specifics.

MA

State Baseline: Affordable Homes Act

Up to 900 sq ft or 50% of principal dwelling (whichever is smaller). By-right approval statewide.

Zoning Districts

RESDefault Residential

Default residential zone (state baseline only — specific district not yet researched)

Default Zone
TypeApprovalMax SizeHeightParkingOwner Occ.
Detached ADU
By Right
900 sq ft1 spaceNo
Attached ADU
By Right
900 sq ft1 spaceNo
Interior Conversion
By Right
900 sq ftNoneNo

Building Department

East Longmeadow Building Department

60 Center Square, East Longmeadow, MA 01028, USA

Phone: (413) 525-5400

Visit Website →

Frequently Asked Questions

Are ADUs allowed by right in East Longmeadow, MA?

Yes. ADUs in East Longmeadow are approved by right — you submit your plans to the building department and receive a building permit without a public hearing or special permit process. This is guaranteed by the Affordable Homes Act.

What types of ADUs can I build in East Longmeadow?

East Longmeadow allows detached, attached, conversion ADUs. With up to 900 sq ft allowed, a detached ADU gives you the most flexibility for a full living space.

Do I need to live on the property to build an ADU in East Longmeadow?

No. East Longmeadow does not require owner occupancy — this is a right guaranteed by the Affordable Homes Act. You can rent both your main home and the ADU, making this a pure investment property if you choose.

How big can I build an ADU in East Longmeadow, MA?

In East Longmeadow, you can build an ADU up to 900 square feet or 50% of your home's living area, whichever is larger. With 900 sq ft, you have enough room for a full 2-bedroom cottage with a kitchen, bathroom, and living area. This is guaranteed by the Affordable Homes Act.

Does East Longmeadow have historic district rules for ADUs?

Yes. East Longmeadow has historically significant areas including East Longmeadow Historical Headquarters, Historic East Longmeadow Station, Longmeadow Historic District. If your property is in or near a historic district, your ADU design may require review by the local historical commission for architectural compatibility. This can affect timelines and design choices.

Can I rent out my ADU in East Longmeadow?

Yes, long-term rentals are allowed for ADUs in East Longmeadow. However, short-term rentals (like Airbnb) are not currently allowed for ADUs.

How accurate is the ADU data for East Longmeadow?

The information on this page reflects Massachusetts state baseline rules under the Affordable Homes Act. East Longmeadow may have additional local requirements that differ from the state baseline. We recommend confirming with your local building department before starting your project.