Want to explore more about your property?

What Are You Allowed to Build at 18 Ralph Rd, Princeton, MA, 01541?

Backyard Cottage

(Detached ADU)

Probably Allowed
This property meets the requirements for a Detached ADU of up to 598 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 598 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

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 18 Ralph Rd, Princeton, MA, 01541

Zoning Jurisdiction

PRINCETON

Parcel ID

11018E

Property Type

Single Family

Zone

RA

Year Built

1974

Lot Size

54,014 sq ft

Gross Building Area

1,235 sq ft

Gross Floor Area

1,195 sq ft

Estimated

Living Area

1,156 sq ft

Basement Area

0 sq ft

Impervious Surface

1,235 sq ft

Estimated
2.3%of lot coverage

ADU rules for Princeton, 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 18 Ralph Rd, Princeton, MA, 01541?

Backyard Cottage

(Detached ADU)

Probably Allowed
This property meets the requirements for a Detached ADU of up to 598 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 598 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

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 18 Ralph Rd, Princeton, MA, 01541

Zoning Jurisdiction

PRINCETON

Parcel ID

11018E

Property Type

Single Family

Zone

RA

Year Built

1974

Lot Size

54,014 sq ft

Gross Building Area

1,235 sq ft

Gross Floor Area

1,195 sq ft

Estimated

Living Area

1,156 sq ft

Basement Area

0 sq ft

Impervious Surface

1,235 sq ft

Estimated
2.3%of lot coverage

ADU rules for Princeton, MA

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

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