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What Are You Allowed to Build at 249 Groton Rd # 995, Chelmsford, MA, 01863?

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)

Might be Allowed
This property may qualify for an Internal ADU of up to 237 sq ft allowed By Right, or possibly more by Special Permit, but there are some special considerations.

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
This lot does not meet the zoning requirements to build a Single-Family home. A variance may be requested through your local zoning authority

Multi Family

Home Addition

Might be Allowed
The property may meet the zoning requirements to build a Home Addition up to 3,528 sq ft of zoning-counted floor area. Additional factors may affect feasibility.

Property facts

Streetview picture of 249 Groton Rd # 995, Chelmsford, MA, 01863

Zoning Jurisdiction

CHELMSFORD

Parcel ID

17224995

Property Type

Other

Zone

RB

Year Built

2023

Lot Size

20,007 sq ft

Gross Building Area

473 sq ft

Gross Floor Area

473 sq ft

Estimated

Living Area

473 sq ft

Basement Area

0 sq ft

Impervious Surface

473 sq ft

Estimated
2.4%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 249 Groton Rd # 995, Chelmsford, MA, 01863?

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)

Might be Allowed
This property may qualify for an Internal ADU of up to 237 sq ft allowed By Right, or possibly more by Special Permit, but there are some special considerations.

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
This lot does not meet the zoning requirements to build a Single-Family home. A variance may be requested through your local zoning authority

Multi Family

Home Addition

Might be Allowed
The property may meet the zoning requirements to build a Home Addition up to 3,528 sq ft of zoning-counted floor area. Additional factors may affect feasibility.

Property facts

Streetview picture of 249 Groton Rd # 995, Chelmsford, MA, 01863

Zoning Jurisdiction

CHELMSFORD

Parcel ID

17224995

Property Type

Other

Zone

RB

Year Built

2023

Lot Size

20,007 sq ft

Gross Building Area

473 sq ft

Gross Floor Area

473 sq ft

Estimated

Living Area

473 sq ft

Basement Area

0 sq ft

Impervious Surface

473 sq ft

Estimated
2.4%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.