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What Are You Allowed to Build at 421 E Bay State St, Alhambra, CA, 91801?

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 14,904 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.

Multifamily

Home Addition

Probably Allowed

We estimate you can expand this property under current zoning rules. We weren't able to identify a specific size limit, but an addition may be possible horizontally, vertically, or both, depending on design and permitting.

Property facts

Zoning Jurisdiction

ALHAMBRA

Parcel ID

5345016027

Property Type

Multi Family

Zone

Year Built

1966

Lot Size

38,915 sq ft

Gross Building Area

38,915 sq ft

Gross Floor Area

29,807 sq ft

Estimated

Living Area

20,699 sq ft

Basement Area

0 sq ft

Impervious Surface

20,699 sq ft

Estimated

53.2%of lot coverage

ADU rules for Alhambra, CA

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