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What Are You Allowed to Build at 21 Brooks St, Maynard, MA, 01754?

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 506 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 25,000 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 21 Brooks St, Maynard, MA, 01754

Zoning Jurisdiction

MAYNARD

Parcel ID

0090000003710

Property Type

Single Family

Zone

GR

Year Built

1880

Lot Size

3,049 sq ft

Gross Building Area

896 sq ft

Gross Floor Area

1,012 sq ft

Estimated

Living Area

1,012 sq ft

Basement Area

0 sq ft

Impervious Surface

896 sq ft

Estimated
29.4%of lot coverage

ADU rules for Maynard, 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 Brooks St, Maynard, MA, 01754?

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 506 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 25,000 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 21 Brooks St, Maynard, MA, 01754

Zoning Jurisdiction

MAYNARD

Parcel ID

0090000003710

Property Type

Single Family

Zone

GR

Year Built

1880

Lot Size

3,049 sq ft

Gross Building Area

896 sq ft

Gross Floor Area

1,012 sq ft

Estimated

Living Area

1,012 sq ft

Basement Area

0 sq ft

Impervious Surface

896 sq ft

Estimated
29.4%of lot coverage

ADU rules for Maynard, MA

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

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