Want to explore more about your property?
What Are You Allowed to Build at 721 E 18th St, Antioch, CA, 94509?
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
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
The property may meet the zoning requirements to build a Home Addition of zoning-counted floor area. Additional factors may affect feasibility.
Property facts
Zoning Jurisdiction
ANTIOCH
Parcel ID
0652350224
Property Type
Other
Zone
C-2
Year Built
1988
Lot Size
41,861 sq ft
Gross Building Area
5,032 sq ft
Gross Floor Area
10,532 sq ft
Living Area
10,532 sq ft
Basement Area
0 sq ft
Impervious Surface
10,532 sq ft
25.2%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 721 E 18th St, Antioch, CA, 94509?
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
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
The property may meet the zoning requirements to build a Home Addition of zoning-counted floor area. Additional factors may affect feasibility.
Property facts
Zoning Jurisdiction
ANTIOCH
Parcel ID
0652350224
Property Type
Other
Zone
C-2
Year Built
1988
Lot Size
41,861 sq ft
Gross Building Area
5,032 sq ft
Gross Floor Area
10,532 sq ft
Living Area
10,532 sq ft
Basement Area
0 sq ft
Impervious Surface
10,532 sq ft
25.2%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.