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What Are You Allowed to Build at 220 Park Rd, Chelmsford, MA, 01824?

Backyard Cottage

(Detached ADU)

Might be Allowed
This property may qualify for a Detached ADU of up to 772 sq ft allowed By Right, or possibly more by Special Permit, but there are some special considerations.

In Home Apartment

(Conversion or Addition)

Probably Allowed
This property meets the requirements for an Internal ADU of up to 772 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 Allowed
This property likely meets the zoning requirements to build a Single-Family home up to 8,000 sq ft of zoning-counted floor area allowed By Right, or possibly more by Special Permit.

Multi Family

Home Addition

Probably Allowed
We estimate you can expand this property by up to 6,456 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 220 Park Rd, Chelmsford, MA, 01824

Zoning Jurisdiction

CHELMSFORD

Parcel ID

13247517

Property Type

Single Family

Zone

RB

Year Built

1985

Lot Size

40,001 sq ft

Gross Building Area

1,544 sq ft

Gross Floor Area

1,544 sq ft

Estimated

Living Area

1,544 sq ft

Basement Area

0 sq ft

Impervious Surface

1,544 sq ft

Estimated
3.9%of lot coverage

ADU rules for Chelmsford, 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 220 Park Rd, Chelmsford, MA, 01824?

Backyard Cottage

(Detached ADU)

Might be Allowed
This property may qualify for a Detached ADU of up to 772 sq ft allowed By Right, or possibly more by Special Permit, but there are some special considerations.

In Home Apartment

(Conversion or Addition)

Probably Allowed
This property meets the requirements for an Internal ADU of up to 772 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 Allowed
This property likely meets the zoning requirements to build a Single-Family home up to 8,000 sq ft of zoning-counted floor area allowed By Right, or possibly more by Special Permit.

Multi Family

Home Addition

Probably Allowed
We estimate you can expand this property by up to 6,456 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 220 Park Rd, Chelmsford, MA, 01824

Zoning Jurisdiction

CHELMSFORD

Parcel ID

13247517

Property Type

Single Family

Zone

RB

Year Built

1985

Lot Size

40,001 sq ft

Gross Building Area

1,544 sq ft

Gross Floor Area

1,544 sq ft

Estimated

Living Area

1,544 sq ft

Basement Area

0 sq ft

Impervious Surface

1,544 sq ft

Estimated
3.9%of lot coverage

ADU rules for Chelmsford, MA

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

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