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What Are You Allowed to Build at 12031 Philadelphia St, Whittier, CA, 90601?

Backyard Cottage

(Detached ADU)

Probably Not Allowed
This lot does not meet the requirements for a Detached ADU. A variance may be requested through your local zoning authority

In Home Apartment

(Conversion or Addition)

Probably Not Allowed
This lot does not meet the requirements for an Internal ADU. A variance may be requested through your local zoning authority

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 Not Allowed
This lot does not meet the zoning requirements to build a Single-Family home. A variance may be requested through your local zoning authority

Multifamily

Home Addition

Might be Allowed
The property may meet the zoning requirements to build a Home Addition up to 362,766 sq ft of zoning-counted floor area. Additional factors may affect feasibility.

Property facts

Streetview picture of 12031 Philadelphia St, Whittier, CA, 90601

Zoning Jurisdiction

WHITTIER

Parcel ID

8140026001

Property Type

Industrial - Heavy Manufacturing

Zone

INV

Year Built

1955

Lot Size

156,464 sq ft

Gross Building Area

106,628 sq ft

Gross Floor Area

106,628 sq ft

Estimated

Living Area

106,628 sq ft

Basement Area

0 sq ft

Impervious Surface

106,628 sq ft

Estimated
68.1%of lot coverage

ADU rules for Whittier, CA

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

© 2026 TheBuilder AI Inc. d/b/aFutureLot. All rights reserved.

What Are You Allowed to Build at 12031 Philadelphia St, Whittier, CA, 90601?

Backyard Cottage

(Detached ADU)

Probably Not Allowed
This lot does not meet the requirements for a Detached ADU. A variance may be requested through your local zoning authority

In Home Apartment

(Conversion or Addition)

Probably Not Allowed
This lot does not meet the requirements for an Internal ADU. A variance may be requested through your local zoning authority

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 Not Allowed
This lot does not meet the zoning requirements to build a Single-Family home. A variance may be requested through your local zoning authority

Multifamily

Home Addition

Might be Allowed
The property may meet the zoning requirements to build a Home Addition up to 362,766 sq ft of zoning-counted floor area. Additional factors may affect feasibility.

Property facts

Streetview picture of 12031 Philadelphia St, Whittier, CA, 90601

Zoning Jurisdiction

WHITTIER

Parcel ID

8140026001

Property Type

Industrial - Heavy Manufacturing

Zone

INV

Year Built

1955

Lot Size

156,464 sq ft

Gross Building Area

106,628 sq ft

Gross Floor Area

106,628 sq ft

Estimated

Living Area

106,628 sq ft

Basement Area

0 sq ft

Impervious Surface

106,628 sq ft

Estimated
68.1%of lot coverage

ADU rules for Whittier, CA

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

© 2026 TheBuilder AI Inc. d/b/aFutureLot. All rights reserved.