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What Are You Allowed to Build at 1231 Avondale Rd, Hillsborough, CA, 94010?

Backyard Cottage

(Detached ADU)

Might be Allowed

This property may qualify for a Detached ADU of up to 955 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 1,000 sq ft allowed By Right, or possibly more by Special Permit, but there are some special considerations.

Swimming Pool

Probably Not Allowed

This property likely does not meet the zoning requirements for a swimming pool. A variance or other zoning relief may be required. 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 5,393 sq ft of zoning-counted floor area allowed By Right, or possibly more by Special Permit. Additional factors may affect feasibility.

Multifamily

Home Addition

Might be Allowed

The property may meet the zoning requirements to build a Home Addition up to 955 sq ft of zoning-counted floor area. Additional factors may affect feasibility.

Property facts

Zoning Jurisdiction

HILLSBOROUGH

Parcel ID

030205020

Property Type

Single Family

Zone

RD-1

Year Built

1953

Lot Size

21,572 sq ft

Gross Building Area

4,616 sq ft

Gross Floor Area

4,438 sq ft

Estimated

Living Area

4,260 sq ft

Basement Area

0 sq ft

Impervious Surface

4,616 sq ft

Estimated

21.4%of lot coverage

ADU rules for Hillsborough, CA

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