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What Are You Allowed to Build at 9 Chester St, Quincy, MA, 02170?

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 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

Probably Allowed
We estimate you can expand this property by up to 3,667 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 9 Chester St, Quincy, MA, 02170

Zoning Jurisdiction

QUINCY

Parcel ID

5099258

Property Type

Two Family

Zone

RC

Year Built

1930

Lot Size

6,446 sq ft

Gross Building Area

2,163 sq ft

Gross Floor Area

2,780 sq ft

Estimated

Living Area

2,780 sq ft

Basement Area

0 sq ft

Impervious Surface

2,163 sq ft

Estimated
33.6%of lot coverage

ADU rules for Quincy, 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 9 Chester St, Quincy, MA, 02170?

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 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

Probably Allowed
We estimate you can expand this property by up to 3,667 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 9 Chester St, Quincy, MA, 02170

Zoning Jurisdiction

QUINCY

Parcel ID

5099258

Property Type

Two Family

Zone

RC

Year Built

1930

Lot Size

6,446 sq ft

Gross Building Area

2,163 sq ft

Gross Floor Area

2,780 sq ft

Estimated

Living Area

2,780 sq ft

Basement Area

0 sq ft

Impervious Surface

2,163 sq ft

Estimated
33.6%of lot coverage

ADU rules for Quincy, MA

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

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