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What Are You Allowed to Build at 21 Dover St, Lowell, MA, 01851?

Backyard Cottage

(Detached ADU)

Might be Allowed
This property may qualify for a Detached ADU of up to 900 sq ft allowed By Right, or possibly more by Special Permit, but there are some special considerations.

In Home Apartment

(Conversion or Addition)

Might be Allowed
This property may qualify for an Internal ADU of up to 900 sq ft allowed By Right, or possibly more by Special Permit, but there are some special considerations.

Swimming Pool

Might be Allowed
This property may meet the zoning requirements to build a swimming pool. Some factors may affect feasibility. 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

Multi Family

Home Addition

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

Property facts

Streetview picture of 21 Dover St, Lowell, MA, 01851

Zoning Jurisdiction

LOWELL

Parcel ID

103185021

Property Type

Residential

Zone

TTF

Year Built

1900

Lot Size

7,274 sq ft

Gross Building Area

1,596 sq ft

Gross Floor Area

2,515 sq ft

Estimated

Living Area

2,515 sq ft

Basement Area

0 sq ft

Impervious Surface

1,596 sq ft

Estimated
21.9%of lot coverage

ADU rules for Lowell, 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 21 Dover St, Lowell, MA, 01851?

Backyard Cottage

(Detached ADU)

Might be Allowed
This property may qualify for a Detached ADU of up to 900 sq ft allowed By Right, or possibly more by Special Permit, but there are some special considerations.

In Home Apartment

(Conversion or Addition)

Might be Allowed
This property may qualify for an Internal ADU of up to 900 sq ft allowed By Right, or possibly more by Special Permit, but there are some special considerations.

Swimming Pool

Might be Allowed
This property may meet the zoning requirements to build a swimming pool. Some factors may affect feasibility. 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

Multi Family

Home Addition

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

Property facts

Streetview picture of 21 Dover St, Lowell, MA, 01851

Zoning Jurisdiction

LOWELL

Parcel ID

103185021

Property Type

Residential

Zone

TTF

Year Built

1900

Lot Size

7,274 sq ft

Gross Building Area

1,596 sq ft

Gross Floor Area

2,515 sq ft

Estimated

Living Area

2,515 sq ft

Basement Area

0 sq ft

Impervious Surface

1,596 sq ft

Estimated
21.9%of lot coverage

ADU rules for Lowell, MA

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

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