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What Are You Allowed to Build at 37 Allen Rd, Winchester, MA, 01890?

Backyard Cottage

(Detached ADU)

Probably Not Allowed
This lot does not meet the requirements for a Detached ADU. A variance may be requested through your local zoning authority

In Home Apartment

(Conversion or Addition)

Probably Allowed
This property meets the requirements for an Internal ADU of up to 628 sq ft allowed By Right, or possibly more by Special Permit.

Swimming Pool

Probably Not Allowed
This property likely does not meet the zoning requirements for a swimming pool. A variance or other zoning relief may be required. Final feasibility may depend on site-specific conditions and local interpretation.

Single Family

Probably Not Allowed
The existing home is allowed as a legally nonconforming structure. However, the lot does not meet current zoning requirements for new Single-Family construction. A variance or other zoning relief may be requested.

Multi Family

Home Addition

Probably Allowed
We estimate you can expand this property by up to 3,746 sq ft under current zoning rules. This may allow for a horizontal addition, a vertical addition, or both, depending on design and permitting.

Property facts

Streetview picture of 37 Allen Rd, Winchester, MA, 01890

Zoning Jurisdiction

WINCHESTER

Parcel ID

6315

Property Type

Single Family

Zone

SCI

Year Built

1952

Lot Size

10,001 sq ft

Gross Building Area

1,325 sq ft

Gross Floor Area

1,255 sq ft

Estimated

Living Area

1,185 sq ft

Basement Area

0 sq ft

Impervious Surface

1,325 sq ft

Estimated
13.2%of lot coverage

ADU rules for Winchester, 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 37 Allen Rd, Winchester, MA, 01890?

Backyard Cottage

(Detached ADU)

Probably Not Allowed
This lot does not meet the requirements for a Detached ADU. A variance may be requested through your local zoning authority

In Home Apartment

(Conversion or Addition)

Probably Allowed
This property meets the requirements for an Internal ADU of up to 628 sq ft allowed By Right, or possibly more by Special Permit.

Swimming Pool

Probably Not Allowed
This property likely does not meet the zoning requirements for a swimming pool. A variance or other zoning relief may be required. Final feasibility may depend on site-specific conditions and local interpretation.

Single Family

Probably Not Allowed
The existing home is allowed as a legally nonconforming structure. However, the lot does not meet current zoning requirements for new Single-Family construction. A variance or other zoning relief may be requested.

Multi Family

Home Addition

Probably Allowed
We estimate you can expand this property by up to 3,746 sq ft under current zoning rules. This may allow for a horizontal addition, a vertical addition, or both, depending on design and permitting.

Property facts

Streetview picture of 37 Allen Rd, Winchester, MA, 01890

Zoning Jurisdiction

WINCHESTER

Parcel ID

6315

Property Type

Single Family

Zone

SCI

Year Built

1952

Lot Size

10,001 sq ft

Gross Building Area

1,325 sq ft

Gross Floor Area

1,255 sq ft

Estimated

Living Area

1,185 sq ft

Basement Area

0 sq ft

Impervious Surface

1,325 sq ft

Estimated
13.2%of lot coverage

ADU rules for Winchester, MA

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

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