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What Are You Allowed to Build at 57 Walden St, Winthrop, MA, 02152?

Backyard Cottage

(Detached ADU)

Probably Allowed
This property meets the requirements for a Detached ADU of up to 848 sq ft allowed By Right, or possibly more by Special Permit.

In Home Apartment

(Conversion or Addition)

Probably Allowed
This property meets the requirements for an Internal ADU of up to 848 sq ft allowed By Right, or possibly more by Special Permit.

Swimming Pool

Probably Allowed
This property likely meets the zoning requirements to build a swimming pool. Based on applicable zoning limits, the estimated buildable area for a pool. Final feasibility may depend on site-specific conditions and local interpretation.

Single Family

Probably Allowed
This property likely meets the zoning requirements to build a Single-Family home.

Multifamily

Home Addition

Probably Allowed
We estimate you can expand this property under current zoning rules. We weren't able to identify a specific size limit, but an addition may be possible horizontally, vertically, or both, depending on design and permitting.

Property facts

Streetview picture of 57 Walden St, Winthrop, MA, 02152

Zoning Jurisdiction

WINTHROP

Parcel ID

5416

Property Type

Multi Family

Zone

RA

Year Built

1956

Lot Size

5,105 sq ft

Gross Building Area

1,135 sq ft

Gross Floor Area

1,696 sq ft

Estimated

Living Area

1,696 sq ft

Basement Area

0 sq ft

Impervious Surface

1,135 sq ft

Estimated
22.2%of lot coverage

ADU rules for Winthrop, MA

Based on public data and AI. Check with a pro. Read More

© 2026 TheBuilder AI Inc. d/b/aFutureLot. All rights reserved.

What Are You Allowed to Build at 57 Walden St, Winthrop, MA, 02152?

Backyard Cottage

(Detached ADU)

Probably Allowed
This property meets the requirements for a Detached ADU of up to 848 sq ft allowed By Right, or possibly more by Special Permit.

In Home Apartment

(Conversion or Addition)

Probably Allowed
This property meets the requirements for an Internal ADU of up to 848 sq ft allowed By Right, or possibly more by Special Permit.

Swimming Pool

Probably Allowed
This property likely meets the zoning requirements to build a swimming pool. Based on applicable zoning limits, the estimated buildable area for a pool. Final feasibility may depend on site-specific conditions and local interpretation.

Single Family

Probably Allowed
This property likely meets the zoning requirements to build a Single-Family home.

Multifamily

Home Addition

Probably Allowed
We estimate you can expand this property under current zoning rules. We weren't able to identify a specific size limit, but an addition may be possible horizontally, vertically, or both, depending on design and permitting.

Property facts

Streetview picture of 57 Walden St, Winthrop, MA, 02152

Zoning Jurisdiction

WINTHROP

Parcel ID

5416

Property Type

Multi Family

Zone

RA

Year Built

1956

Lot Size

5,105 sq ft

Gross Building Area

1,135 sq ft

Gross Floor Area

1,696 sq ft

Estimated

Living Area

1,696 sq ft

Basement Area

0 sq ft

Impervious Surface

1,135 sq ft

Estimated
22.2%of lot coverage

ADU rules for Winthrop, MA

Based on public data and AI. Check with a pro. Read More

© 2026 TheBuilder AI Inc. d/b/aFutureLot. All rights reserved.