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What Are You Allowed to Build at 21 Pettee St, Newton, MA, 02464?

Backyard Cottage

(Detached ADU)

Might be Allowed
This property may qualify for a Detached ADU of up to 153 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 153 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

Might be Allowed
This property may meet the zoning requirements to build a Single-Family home up to 38,384 sq ft of zoning-counted floor area Illegal, or possibly more by Special Permit. Additional factors may affect feasibility.

Multi Family

Home Addition

Might be Allowed
The property may meet the zoning requirements to build a Home Addition up to 38,079 sq ft of zoning-counted floor area. Additional factors may affect feasibility.

Property facts

Streetview picture of 21 Pettee St, Newton, MA, 02464

Zoning Jurisdiction

NEWTON

Parcel ID

510080001A1

Property Type

Other

Zone

MR1

Year Built

1955

Lot Size

101,009 sq ft

Gross Building Area

305 sq ft

Gross Floor Area

305 sq ft

Estimated

Living Area

305 sq ft

Basement Area

0 sq ft

Impervious Surface

305 sq ft

Estimated
0.3%of lot coverage

ADU rules for Newton, 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 Pettee St, Newton, MA, 02464?

Backyard Cottage

(Detached ADU)

Might be Allowed
This property may qualify for a Detached ADU of up to 153 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 153 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

Might be Allowed
This property may meet the zoning requirements to build a Single-Family home up to 38,384 sq ft of zoning-counted floor area Illegal, or possibly more by Special Permit. Additional factors may affect feasibility.

Multi Family

Home Addition

Might be Allowed
The property may meet the zoning requirements to build a Home Addition up to 38,079 sq ft of zoning-counted floor area. Additional factors may affect feasibility.

Property facts

Streetview picture of 21 Pettee St, Newton, MA, 02464

Zoning Jurisdiction

NEWTON

Parcel ID

510080001A1

Property Type

Other

Zone

MR1

Year Built

1955

Lot Size

101,009 sq ft

Gross Building Area

305 sq ft

Gross Floor Area

305 sq ft

Estimated

Living Area

305 sq ft

Basement Area

0 sq ft

Impervious Surface

305 sq ft

Estimated
0.3%of lot coverage

ADU rules for Newton, MA

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

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