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What Are You Allowed to Build at 88 Middlefield Rd, Atherton, CA, 94027?

Backyard Cottage

(Detached ADU)

Probably Allowed

This property meets the requirements for a Detached ADU of up to 1,200 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 1,200 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

Probably Allowed

This property likely meets the zoning requirements to build a Single-Family home up to 7,912 sq ft of zoning-counted floor area allowed By Right, or possibly more by Special Permit.

Multifamily

Home Addition

Probably Allowed

We estimate you can expand this property by up to 4,183 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

ATHERTON

Parcel ID

060210030

Property Type

Single Family

Zone

R-1A

Year Built

1954

Lot Size

43,955 sq ft

Gross Building Area

4,788 sq ft

Gross Floor Area

3,729 sq ft

Estimated

Living Area

2,670 sq ft

Basement Area

0 sq ft

Impervious Surface

4,788 sq ft

Estimated

10.9%of lot coverage

ADU rules for Atherton, CA

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