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What Are You Allowed to Build at 907 Monica 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 1,975 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 17,718 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 13,768 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

8709049024

Property Type

Single Family

Zone

R-1

Year Built

1989

Lot Size

44,294 sq ft

Gross Building Area

4,073 sq ft

Gross Floor Area

3,949 sq ft

Estimated

Living Area

3,826 sq ft

Basement Area

0 sq ft

Impervious Surface

4,073 sq ft

Estimated

9.2%of lot coverage

ADU rules for Walnut, CA

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