Property Record
309 San Joaquin Ave, Antioch, CA 94509
NEARBY LISTINGS FOR SALE OR LEASE
Property Detail
309 San Joaquin Ave
071-042-002-7
POR NE QR SEC 25 T2N R1E 100 FT X 50 FT
Duplex
Contra Costa
X
California
06013C0331F
0.12 AC
2025
Pittsburg/Antioch
2025
East Bay/Oakland
307102
Oakland-Fremont-Berkeley, CA
1,733 SF
DEMOGRAPHICS near 309 San Joaquin Ave
1 mile
3 mile
5 mile
2024 Total Population
21,683
99,440
179,947
2029 Population
21,531
98,975
179,735
Pop Growth 2024-2029
(0.70%)
(0.47%)
(0.12%)
Average Age
38
38
38
2024 Total Households
7,062
31,145
56,161
HH Growth 2024-2029
(0.78%)
(0.51%)
(0.16%)
Median Household Inc
$64,621
$80,167
$86,367
Avg Household Size
3.00
3.10
3.10
2024 Avg HH Vehicles
2.00
2.00
2.00
Median Home Value
$443,863
$551,338
$572,132
Median Year Built
1969
1981
1985
Nearby Places
Map Layers
Map Styles
Street
Aerial
Transit
Transit
Traffic
Biking
Places
Listings with unknown addresses are not visible on the map
- Restaurants
- Banks
- Shops
- Fitness
- Groceries
PUBLIC TRANSPORTATION
COMMUTER RAIL
Drive
Walk
Distance
5 min
2.2 mi
AIRPORT
Stockton Metro
Drive
Walk
Distance
Stockton Metro
60 min
40.4 mi
Metro Oakland International
Drive
Walk
Distance
Metro Oakland International
59 min
44.4 mi
Freight Ports
Port of Oakland
Drive
Walk
Distance
Port of Oakland
47 min
37.2 mi
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R4
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Address
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10.37 AC
Address
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TOTAL SIZE
Lot Size
Zoning
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Address
Land Use
TOTAL SIZE
Lot Size
Zoning
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6.06 AC
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
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3.27 AC
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
6,594 SF
2.94 AC
R1
Address
Land Use
TOTAL SIZE
Lot Size
Zoning
59,513 SF
5.71 AC
Address
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TOTAL SIZE
Lot Size
Zoning
82,077 SF
4.64 AC
Address
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TOTAL SIZE
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Zoning
159,218 SF
3.68 AC
Address
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TOTAL SIZE
Lot Size
Zoning
105,308 SF
5.12 AC
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© 2026 CoStar Group
The information above has been obtained from sources believed reliable. While we do not doubt its accuracy we have not verified it and make no guarantee, warranty or representation about it. It is your responsibility to independently confirm its accuracy and completeness. Any projections, opinions, assumptions, or estimates used are for example only and do not represent the current or future performance of the property. The value of this transaction to you depends on tax and other factors which should be evaluated by your tax, financial, and legal advisors. You and your advisors should conduct a careful, independent investigation of the property to determine to your satisfaction the suitability of the property for your needs.