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What Are You Allowed to Build at 20841 Apache Way, Walnut, CA, 91789?

Backyard Cottage

(Detached ADU)

Probably Allowed

This property meets the requirements for a Detached ADU of up to 1,000 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 1,386 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 9,747 sq ft of zoning-counted floor area allowed By Right, or possibly more by Special Permit.

Multi Family

Home Addition

Probably Allowed

We estimate you can expand this property by up to 6,976 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

WALNUT

Parcel ID

8709090087

Property Type

Single Family

Zone

RPD

Year Built

1987

Lot Size

24,368 sq ft

Gross Building Area

2,787 sq ft

Gross Floor Area

2,771 sq ft

Estimated

Living Area

2,755 sq ft

Basement Area

0 sq ft

Impervious Surface

2,787 sq ft

Estimated

11.4%of lot coverage

ADU rules for Walnut, CA

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