Want to explore more about your property?

What Are You Allowed to Build at 21 Fitchburg Rd, Ayer, MA, 01432?

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

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 56,084 sq ft of zoning-counted floor area allowed 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 53,980 sq ft of zoning-counted floor area. Additional factors may affect feasibility.

Property facts

Streetview picture of 21 Fitchburg Rd, Ayer, MA, 01432

Zoning Jurisdiction

AYER

Parcel ID

0190110000000500

Property Type

Three Family

Zone

GB

Year Built

1988

Lot Size

44,866 sq ft

Gross Building Area

2,040 sq ft

Gross Floor Area

2,103 sq ft

Estimated

Living Area

2,103 sq ft

Basement Area

0 sq ft

Impervious Surface

2,103 sq ft

Estimated
4.7%of lot coverage

ADU rules for Ayer, 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 Fitchburg Rd, Ayer, MA, 01432?

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

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 56,084 sq ft of zoning-counted floor area allowed 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 53,980 sq ft of zoning-counted floor area. Additional factors may affect feasibility.

Property facts

Streetview picture of 21 Fitchburg Rd, Ayer, MA, 01432

Zoning Jurisdiction

AYER

Parcel ID

0190110000000500

Property Type

Three Family

Zone

GB

Year Built

1988

Lot Size

44,866 sq ft

Gross Building Area

2,040 sq ft

Gross Floor Area

2,103 sq ft

Estimated

Living Area

2,103 sq ft

Basement Area

0 sq ft

Impervious Surface

2,103 sq ft

Estimated
4.7%of lot coverage

ADU rules for Ayer, MA

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

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