Want to explore more about your property?

What Are You Allowed to Build at 58 Watts St, Chelsea, MA, 02150?

Backyard Cottage

(Detached ADU)

Probably Allowed
This property meets the requirements for a Detached ADU of up to 803 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 803 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 Not Allowed
This lot does not meet the zoning requirements to build a Single-Family home. A variance may be requested through your local zoning authority

Multifamily

Home Addition

Probably Allowed
We estimate you can expand this property by up to 3,256 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 58 Watts St, Chelsea, MA, 02150

Zoning Jurisdiction

CHELSEA

Parcel ID

2190

Property Type

Multi Family

Zone

R2

Year Built

1900

Lot Size

4,861 sq ft

Gross Building Area

1,605 sq ft

Gross Floor Area

1,605 sq ft

Estimated

Living Area

1,605 sq ft

Basement Area

0 sq ft

Impervious Surface

1,605 sq ft

Estimated
33.0%of lot coverage

ADU rules for Chelsea, 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 58 Watts St, Chelsea, MA, 02150?

Backyard Cottage

(Detached ADU)

Probably Allowed
This property meets the requirements for a Detached ADU of up to 803 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 803 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 Not Allowed
This lot does not meet the zoning requirements to build a Single-Family home. A variance may be requested through your local zoning authority

Multifamily

Home Addition

Probably Allowed
We estimate you can expand this property by up to 3,256 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 58 Watts St, Chelsea, MA, 02150

Zoning Jurisdiction

CHELSEA

Parcel ID

2190

Property Type

Multi Family

Zone

R2

Year Built

1900

Lot Size

4,861 sq ft

Gross Building Area

1,605 sq ft

Gross Floor Area

1,605 sq ft

Estimated

Living Area

1,605 sq ft

Basement Area

0 sq ft

Impervious Surface

1,605 sq ft

Estimated
33.0%of lot coverage

ADU rules for Chelsea, MA

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

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