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What Are You Allowed to Build at 45 Longwood Ave Apt 708, Brookline, MA, 02446?

Backyard Cottage

(Detached ADU)

Probably Allowed
This property meets the requirements for a Detached ADU of up to 900 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 900 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 Allowed
This property likely meets the zoning requirements to build a Single-Family home up to 130,309 sq ft of zoning-counted floor area allowed By Right, or possibly more by Special Permit.

Multifamily

Home Addition

Probably Allowed
We estimate you can expand this property by up to 119,235 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 45 Longwood Ave Apt 708, Brookline, MA, 02446

Zoning Jurisdiction

BROOKLINE

Parcel ID

1581679

Property Type

Single Family

Zone

M-2.0

Year Built

1968

Lot Size

65,154 sq ft

Gross Building Area

20,988 sq ft

Gross Floor Area

11,074 sq ft

Estimated

Living Area

1,161 sq ft

Basement Area

0 sq ft

Impervious Surface

20,988 sq ft

Estimated
32.2%of lot coverage

ADU rules for Brookline, 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 45 Longwood Ave Apt 708, Brookline, MA, 02446?

Backyard Cottage

(Detached ADU)

Probably Allowed
This property meets the requirements for a Detached ADU of up to 900 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 900 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 Allowed
This property likely meets the zoning requirements to build a Single-Family home up to 130,309 sq ft of zoning-counted floor area allowed By Right, or possibly more by Special Permit.

Multifamily

Home Addition

Probably Allowed
We estimate you can expand this property by up to 119,235 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 45 Longwood Ave Apt 708, Brookline, MA, 02446

Zoning Jurisdiction

BROOKLINE

Parcel ID

1581679

Property Type

Single Family

Zone

M-2.0

Year Built

1968

Lot Size

65,154 sq ft

Gross Building Area

20,988 sq ft

Gross Floor Area

11,074 sq ft

Estimated

Living Area

1,161 sq ft

Basement Area

0 sq ft

Impervious Surface

20,988 sq ft

Estimated
32.2%of lot coverage

ADU rules for Brookline, MA

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

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