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What Are You Allowed to Build at 7 Groton School Rd, Ayer, MA, 01432?
Backyard Cottage
(Detached ADU)
Probably Allowed
This property meets the requirements for a Detached ADU of up to 646 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 646 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
This property may meet the zoning requirements to build a Single-Family home up to 54,450 sq ft of zoning-counted floor area allowed By Special Permit. Additional factors may affect feasibility.
Multi Family
Home Addition
Probably Allowed
We estimate you can expand this property by up to 53,159 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
Zoning Jurisdiction
AYER
Parcel ID
0190190000001970
Property Type
Single Family
Zone
GB
Year Built
1985
Lot Size
43,560 sq ft
Gross Building Area
1,291 sq ft
Gross Floor Area
1,291 sq ft
Living Area
1,291 sq ft
Basement Area
0 sq ft
Impervious Surface
1,291 sq ft
3.0%of lot coverage

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 7 Groton School Rd, Ayer, MA, 01432?
Backyard Cottage
(Detached ADU)
Probably Allowed
This property meets the requirements for a Detached ADU of up to 646 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 646 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
This property may meet the zoning requirements to build a Single-Family home up to 54,450 sq ft of zoning-counted floor area allowed By Special Permit. Additional factors may affect feasibility.
Multi Family
Home Addition
Probably Allowed
We estimate you can expand this property by up to 53,159 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
Zoning Jurisdiction
AYER
Parcel ID
0190190000001970
Property Type
Single Family
Zone
GB
Year Built
1985
Lot Size
43,560 sq ft
Gross Building Area
1,291 sq ft
Gross Floor Area
1,291 sq ft
Living Area
1,291 sq ft
Basement Area
0 sq ft
Impervious Surface
1,291 sq ft
3.0%of lot coverage

Based on public data and AI. Check with a pro. Read More
© 2026 TheBuilder AI Inc. d/b/aFutureLot. All rights reserved.