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What Are You Allowed to Build at 820 S Walnut Ave, Brea, CA, 92821?

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 1,000 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 Allowed

This property likely meets the zoning requirements to build a Single-Family home up to 26,305 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 15,914 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

BREA

Parcel ID

28417214

Property Type

Residential

Zone

MU-III

Year Built

1965

Lot Size

26,305 sq ft

Gross Building Area

10,391 sq ft

Gross Floor Area

10,391 sq ft

Estimated

Living Area

10,391 sq ft

Basement Area

0 sq ft

Impervious Surface

10,391 sq ft

Estimated

39.5%of lot coverage

ADU rules for Brea, CA

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