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What Are You Allowed to Build at 87 Oak Ridge Rd, Madison, NH, 03818?

Backyard Cottage

(Detached ADU)

Probably Allowed
This property meets the requirements for a Detached ADU of up to 800 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 800 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

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

Probably Allowed
We estimate you can expand this property under current zoning rules. We weren't able to identify a specific size limit, but an addition may be possible horizontally, vertically, or both, depending on design and permitting.

Property facts

Streetview picture of 87 Oak Ridge Rd, Madison, NH, 03818

Zoning Jurisdiction

MADISON

Parcel ID

000101000030000000

Property Type

Single Family

Zone

ER

Year Built

1970

Lot Size

22,651 sq ft

Gross Building Area

824 sq ft

Gross Floor Area

1,535 sq ft

Estimated

Living Area

1,535 sq ft

Basement Area

0 sq ft

Impervious Surface

824 sq ft

Estimated
3.6%of lot coverage

ADU rules for Madison, NH

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 87 Oak Ridge Rd, Madison, NH, 03818?

Backyard Cottage

(Detached ADU)

Probably Allowed
This property meets the requirements for a Detached ADU of up to 800 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 800 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

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

Probably Allowed
We estimate you can expand this property under current zoning rules. We weren't able to identify a specific size limit, but an addition may be possible horizontally, vertically, or both, depending on design and permitting.

Property facts

Streetview picture of 87 Oak Ridge Rd, Madison, NH, 03818

Zoning Jurisdiction

MADISON

Parcel ID

000101000030000000

Property Type

Single Family

Zone

ER

Year Built

1970

Lot Size

22,651 sq ft

Gross Building Area

824 sq ft

Gross Floor Area

1,535 sq ft

Estimated

Living Area

1,535 sq ft

Basement Area

0 sq ft

Impervious Surface

824 sq ft

Estimated
3.6%of lot coverage

ADU rules for Madison, NH

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

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