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What Are You Allowed to Build at 18 Westford Rd Unit 21, Ayer, MA, 01432?

Backyard Cottage

(Detached ADU)

Might be Allowed
This property may qualify for a Detached ADU of up to 900 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 900 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. Additional factors may affect feasibility.

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 Westford Rd Unit 21, Ayer, MA, 01432

Zoning Jurisdiction

AYER

Parcel ID

0190160001600210

Property Type

Residential

Zone

A1

Year Built

1976

Lot Size

708,458 sq ft

Gross Building Area

27,314 sq ft

Gross Floor Area

14,182 sq ft

Estimated

Living Area

1,050 sq ft

Basement Area

0 sq ft

Impervious Surface

27,314 sq ft

Estimated
3.9%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 18 Westford Rd Unit 21, Ayer, MA, 01432?

Backyard Cottage

(Detached ADU)

Might be Allowed
This property may qualify for a Detached ADU of up to 900 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 900 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. Additional factors may affect feasibility.

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 Westford Rd Unit 21, Ayer, MA, 01432

Zoning Jurisdiction

AYER

Parcel ID

0190160001600210

Property Type

Residential

Zone

A1

Year Built

1976

Lot Size

708,458 sq ft

Gross Building Area

27,314 sq ft

Gross Floor Area

14,182 sq ft

Estimated

Living Area

1,050 sq ft

Basement Area

0 sq ft

Impervious Surface

27,314 sq ft

Estimated
3.9%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.