320 Sweeney Rd is a 1,038 square foot house on a 0.39 acre lot with 3 bedrooms and 1 bathroom. Based on Redfin's Antioch data, we estimate the home's value is $464,440.
Single-familyProperty Type
1958Year Built
0.39 acresLot Size
$447Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$464,440
$7,000 since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 7.3% higher than the average sale price ($433K) of 6 comparable homes.
As the MLS and public records start to fill up, we'll list the details here.
Year
Property tax
Land + Additions
Assessment*
2025
$1,233 (+4.6%)
$27,463 + $39,504
$66,967
2024
$1,179 (+3.6%)
$26,925 + $38,730
$65,655
2023
$1,138 (+1.1%)
$26,398 + $37,971
$64,369
2022
$1,125 (+4.2%)
$25,881 + $37,227
$63,108
2021
$1,080 (+2.3%)
$25,374 + $36,498
$61,872
2020
$1,056 (+1.9%)
$24,877 + $35,783
$60,660
2019
$1,037 (+3.9%)
$24,622 + $35,417
$60,039
2018
$998 (+3.6%)
$24,140 + $34,723
$58,863
2017
$963 (+4.7%)
$23,203 + $33,376
$56,579
2016
$920 (+2.7%)
$23,203 + $33,376
$56,579
2015
$896 (+3.9%)
$22,749 + $32,722
$55,471
2014
$862 (+2.7%)
$21,970 + $31,600
$53,570
2013
$839 (+5.9%)
$21,970 + $31,600
$53,570
2012
$792 (+3.8%)
$21,871 + $31,458
$53,329
2011
$763 (+1.9%)
$21,443 + $30,842
$52,285
2010
$749 (+2.6%)
$21,023 + $30,238
$51,261
2009
$730 (+5.0%)
$20,866 + $30,013
$50,879
2008
$695
$20,916 + $30,085
$51,001
Tax history for 320 Sweeney Rd
Year
Property tax
Land + Additions
Assessment*
2025
$1,233 (+4.6%)
$27,463 + $39,504
$66,967
2024
$1,179 (+3.6%)
$26,925 + $38,730
$65,655
2023
$1,138 (+1.1%)
$26,398 + $37,971
$64,369
2022
$1,125 (+4.2%)
$25,881 + $37,227
$63,108
2021
$1,080 (+2.3%)
$25,374 + $36,498
$61,872
2020
$1,056 (+1.9%)
$24,877 + $35,783
$60,660
2019
$1,037 (+3.9%)
$24,622 + $35,417
$60,039
2018
$998 (+3.6%)
$24,140 + $34,723
$58,863
2017
$963 (+4.7%)
$23,203 + $33,376
$56,579
2016
$920 (+2.7%)
$23,203 + $33,376
$56,579
2015
$896 (+3.9%)
$22,749 + $32,722
$55,471
2014
$862 (+2.7%)
$21,970 + $31,600
$53,570
2013
$839 (+5.9%)
$21,970 + $31,600
$53,570
2012
$792 (+3.8%)
$21,871 + $31,458
$53,329
2011
$763 (+1.9%)
$21,443 + $30,842
$52,285
2010
$749 (+2.6%)
$21,023 + $30,238
$51,261
2009
$730 (+5.0%)
$20,866 + $30,013
$50,879
2008
$695
$20,916 + $30,085
$51,001
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning
R-6
Single-Family Low Density Residential District
These districts are the standard single-family zones allowing a maximum of six R-6 District dwelling units per gross acre respectively. The districts are consistent with the Low Density Residential General Plan Designation, of two to four dwelling units per gross developable acre, and with the Medium-Low Density Residential General Plan Designation of four to six dwelling units per gross developable acre. The R-6 district is also consistent with any Focused Planning Area designated by the General Plan permitting single family residential development up to six dwelling units per gross developable acre.
Permitted uses
Include but are not limited to:
Housing-Single unit
Housing-Senior
Park & open space
Property details
Interior
Room Information
# of Rooms: 6
Exterior
Property Information
Subdivision Name: GARROW SUB #2
Living Sq. Ft: 1,038
Ground Floor Sq. Ft: 1,038
Building Sq. Ft: 1,038
# of Stories: 1
Legal Description: GARROW SUB #2 LOT 84 & 5 FT STRIP ADJ ON S
Parking & Garage Information
Garage/Parking Sq. Ft: 278
Lot Information
# of Buildings: 1
Land Sq. Ft: 17,000
Legal Lot Number: 84
Acres: 0.3903
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 3
Baths: 1.0
Sq. Ft.: 1,038
Stories: 1.0
Lot Size: 0.39 acres
Style: Single Family Residential
Year Built: 1958
Year Renovated: 1958
County: Contra Costa County
APN: 0682310164
Home facts updated by county records on Jul 13, 2026
Around this home
Schools
Belshaw Elementary School
Public K-5 • Assigned • 0.1mi
1/10
Park Middle School
Public 6-8 • Assigned • 0.8mi
2/10
Antioch High School
Public 9-12 • Assigned • 1.2mi
3/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
1/10 Flood Factor
Minimal risk of a flood reaching the building in the next 30 years
7/10 Fire Factor
15% chance of being in a wildfire in next 30 years
6/10 Heat Factor
7 days above 101° expected this year, 14 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
9/10 Air Factor
16 unhealthy days expected this year, 19 days in 30 years
Provided by First Street
Historical weather
Antioch, CA • 94509
Average low and high temperatures (°F)
59
42
63
46
71
51
72
52
80
57
86
60
85
61
91
64
85
63
77
58
62
49
55
45
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 12.2 hours in
June and 4.7 hours in December, placing it above the
U.S. average for solar exposure.
12.2 hrs
4.7 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$442,000 – $535,000
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