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What Are You Allowed to Build at 10621 Grovedale Dr, Whittier, CA, 90603?
Backyard Cottage
(Detached ADU)
Probably Allowed
This property meets the requirements for a Detached ADU of up to 800 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
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 2,495 sq ft of zoning-counted floor area allowed By Right, or possibly more by Special Permit.
Multifamily
Home Addition
The property may meet the zoning requirements to build a Home Addition up to 599 sq ft of zoning-counted floor area. Additional factors may affect feasibility.
Property facts
Zoning Jurisdiction
WHITTIER
Parcel ID
8231012020
Property Type
Single Family
Zone
R-1
Year Built
1953
Lot Size
6,236 sq ft
Gross Building Area
2,501 sq ft
Gross Floor Area
1,896 sq ft
Living Area
1,291 sq ft
Basement Area
0 sq ft
Impervious Surface
2,501 sq ft
40.1%of lot coverage

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 10621 Grovedale Dr, Whittier, CA, 90603?
Backyard Cottage
(Detached ADU)
Probably Allowed
This property meets the requirements for a Detached ADU of up to 800 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
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 2,495 sq ft of zoning-counted floor area allowed By Right, or possibly more by Special Permit.
Multifamily
Home Addition
The property may meet the zoning requirements to build a Home Addition up to 599 sq ft of zoning-counted floor area. Additional factors may affect feasibility.
Property facts
Zoning Jurisdiction
WHITTIER
Parcel ID
8231012020
Property Type
Single Family
Zone
R-1
Year Built
1953
Lot Size
6,236 sq ft
Gross Building Area
2,501 sq ft
Gross Floor Area
1,896 sq ft
Living Area
1,291 sq ft
Basement Area
0 sq ft
Impervious Surface
2,501 sq ft
40.1%of lot coverage

Based on public data and AI. Check with a pro. Read More
© 2026 TheBuilder AI Inc. d/b/aFutureLot. All rights reserved.