As the MLS and public records start to fill up, we'll list the details here.
Year
Property tax
Land + Additions
Assessment*
2025
$3,976 (+3.5%)
$51,656 + $145,265
$196,921
2024
$3,842 (+1.5%)
$50,644 + $142,417
$193,061
2023
$3,786 (+1.2%)
$49,651 + $139,625
$189,276
2022
$3,742 (+0.2%)
$48,678 + $136,888
$185,566
2021
$3,734 (+3.0%)
$47,724 + $134,204
$181,928
2020
$3,624 (+1.4%)
$46,789 + $131,573
$178,362
2019
$3,576 (+5.4%)
$46,310 + $130,224
$176,534
2018
$3,393 (+1.3%)
$45,402 + $127,671
$173,073
2017
$3,350 (+6.0%)
$43,640 + $122,714
$166,354
2016
$3,160
$43,640 + $122,714
$166,354
2015
$3,161 (−2.1%)
$42,785 + $120,308
$163,093
2014
$3,230 (+18.0%)
$41,318 + $116,180
$157,498
2013
$2,736 (+5.2%)
$41,318 + $116,180
$157,498
2012
$2,601 (−7.8%)
$33,711 + $94,789
$128,500
2011
$2,820 (+4.2%)
$33,711 + $94,789
$128,500
2010
$2,706 (+0.7%)
$39,536 + $111,165
$150,701
2009
$2,688 (+14.4%)
$39,241 + $110,335
$149,576
2008
$2,350
$39,335 + $110,598
$149,933
Tax history for 504 Athena #2
Year
Property tax
Land + Additions
Assessment*
2025
$3,976 (+3.5%)
$51,656 + $145,265
$196,921
2024
$3,842 (+1.5%)
$50,644 + $142,417
$193,061
2023
$3,786 (+1.2%)
$49,651 + $139,625
$189,276
2022
$3,742 (+0.2%)
$48,678 + $136,888
$185,566
2021
$3,734 (+3.0%)
$47,724 + $134,204
$181,928
2020
$3,624 (+1.4%)
$46,789 + $131,573
$178,362
2019
$3,576 (+5.4%)
$46,310 + $130,224
$176,534
2018
$3,393 (+1.3%)
$45,402 + $127,671
$173,073
2017
$3,350 (+6.0%)
$43,640 + $122,714
$166,354
2016
$3,160
$43,640 + $122,714
$166,354
2015
$3,161 (−2.1%)
$42,785 + $120,308
$163,093
2014
$3,230 (+18.0%)
$41,318 + $116,180
$157,498
2013
$2,736 (+5.2%)
$41,318 + $116,180
$157,498
2012
$2,601 (−7.8%)
$33,711 + $94,789
$128,500
2011
$2,820 (+4.2%)
$33,711 + $94,789
$128,500
2010
$2,706 (+0.7%)
$39,536 + $111,165
$150,701
2009
$2,688 (+14.4%)
$39,241 + $110,335
$149,576
2008
$2,350
$39,335 + $110,598
$149,933
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning
RM-L
Residential Multifamily Low Density District
To provide sites for low-density multifamily housing such as townhouses, condominiums and apartments, and medium-density single-family housing that incorporate good design and amenities with a gross density up to 12 units per acre (midrange density of 9 units per acre). The minimum parcel size for multifamily housing is 3 acres. The minimum lot size for single-family housing is 4,000 sq ft unless a smaller lot size is allowed by an approved planned development (PD).
Permitted uses
Include but are not limited to:
Housing-Other
Property details
Interior
Room Information
# of Rooms: 7
Exterior
Property Information
Subdivision Name: SUBDIVISION 6234
Living Sq. Ft: 1,031
Ground Floor Sq. Ft: 1,031
Building Sq. Ft: 1,031
# of Stories: 1
Legal Description: T06234 L B BG0039 U0002
Parking & Garage Information
Garage/Parking Sq. Ft: 410
Lot Information
# of Buildings: 1
Land Sq. Ft: 876
Legal Lot Number: B
Acres: 0.0201
County Use Description: CONDOMINIUM
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 2
Baths: 2.0
Sq. Ft.: 1,031
Stories: 1.0
Lot Size: —
Style: Condo/Co-op
Year Built: 1988
Year Renovated: 1988
County: Contra Costa County
APN: 4041500028
Home facts updated by county records on Oct 9, 2026
Around this home
Schools
Ohlone Elementary School
Public K-5 • Assigned • 0.7mi
9/10
Hercules Middle School
Public 6-8 • Assigned • 1.8mi
7/10
Hercules High School
Public 9-12 • Assigned • 1.8mi
9/10
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
1/10 Fire Factor
Unlikely to be in a wildfire in next 30 years
4/10 Heat Factor
7 days above 89° expected this year, 15 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
8/10 Air Factor
15 unhealthy days expected this year, 15 days in 30 years
Provided by First Street
Historical weather
Hercules, CA • 94547
Average low and high temperatures (°F)
60
41
62
44
69
46
67
47
73
52
74
54
75
56
79
57
77
59
75
53
63
47
57
45
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 11.4 hours in
June and 4.9 hours in December, placing it above the
U.S. average for solar exposure.
11.4 hrs
4.9 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$419,000 – $507,000
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