bridgeMLS, Bay East AOR, or Contra Costa AOR #22022125
Aug 14, 2002
Sold
$345,000
$217/sq ft
Jul 23, 2002
Listing Removed
—
Jul 18, 2002
Listed
$339,950
$214/sq ft
Public Records
Dec 17, 1987
Sold
$140,000
$88/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$8,111 (+4.4%)
$243,744 + $265,903
$509,647
2024
$7,771 (+1.7%)
$238,965 + $260,690
$499,655
2023
$7,642 (+1.1%)
$234,280 + $255,579
$489,859
2022
$7,557
$229,687 + $250,568
$480,255
2021
$7,550 (+3.8%)
$225,184 + $245,655
$470,839
2020
$7,276 (+1.5%)
$220,769 + $240,839
$461,608
2019
$7,166 (+3.6%)
$218,506 + $238,370
$456,876
2018
$6,914 (+1.5%)
$214,222 + $233,697
$447,919
2017
$6,811 (+5.9%)
$205,904 + $224,623
$430,527
2016
$6,432 (+5.6%)
$205,904 + $224,623
$430,527
2015
$6,089 (+21.8%)
$193,695 + $211,305
$405,000
2014
$5,000 (+18.7%)
$135,348 + $147,652
$283,000
2013
$4,212 (+5.5%)
$135,348 + $147,652
$283,000
2012
$3,993 (−6.0%)
$55,997 + $175,003
$231,000
2011
$4,249 (+0.7%)
$55,997 + $175,003
$231,000
2010
$4,219 (−10.0%)
$121,478 + $132,522
$254,000
2009
$4,687 (−12.3%)
$126,261 + $137,739
$264,000
2008
$5,345
$144,195 + $157,305
$301,500
Tax history for 304 Oneil Cir
Year
Property tax
Land + Additions
Assessment*
2025
$8,111 (+4.4%)
$243,744 + $265,903
$509,647
2024
$7,771 (+1.7%)
$238,965 + $260,690
$499,655
2023
$7,642 (+1.1%)
$234,280 + $255,579
$489,859
2022
$7,557
$229,687 + $250,568
$480,255
2021
$7,550 (+3.8%)
$225,184 + $245,655
$470,839
2020
$7,276 (+1.5%)
$220,769 + $240,839
$461,608
2019
$7,166 (+3.6%)
$218,506 + $238,370
$456,876
2018
$6,914 (+1.5%)
$214,222 + $233,697
$447,919
2017
$6,811 (+5.9%)
$205,904 + $224,623
$430,527
2016
$6,432 (+5.6%)
$205,904 + $224,623
$430,527
2015
$6,089 (+21.8%)
$193,695 + $211,305
$405,000
2014
$5,000 (+18.7%)
$135,348 + $147,652
$283,000
2013
$4,212 (+5.5%)
$135,348 + $147,652
$283,000
2012
$3,993 (−6.0%)
$55,997 + $175,003
$231,000
2011
$4,249 (+0.7%)
$55,997 + $175,003
$231,000
2010
$4,219 (−10.0%)
$121,478 + $132,522
$254,000
2009
$4,687 (−12.3%)
$126,261 + $137,739
$264,000
2008
$5,345
$144,195 + $157,305
$301,500
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Public record
Public record
Zoning
Permits
Beds
3
Baths
3
Stories
2
Lot width
—
Lot depth
—
Lot size
2,668 Sq. Ft.
Year renovated
1988
Sq. Ft.
1,591
Year built
1988
Style
Townhouse
County
Contra Costa County
APN
4043510801
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Oct 9, 2026.
RS-L
Residential Single-Family Low Density District
To provide areas for single-family housing on smaller lots that will generally be developed as part of a larger planned subdivision where a limited number of models of varied exterior designs are built in a random pattern on individual lots with a gross density of 2 to 7 units per acre and a minimum parcel size of 6,000 sq ft unless a smaller lot size is allowed by an approved planned development (PD).
Permitted uses
Include but are not limited to:
Housing-Multiple units
Jun 9, 2021 • Final
Building/residential/al/alteration
Remove and replace windows and a patio door in their existing locations.
Remodel
Apr 12, 2017 • Final
Building/residential/rp/repair
Remove the existing siding and trim.
Remodel
Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.
Property details
Parking
Parking Information
Has Attached Garage
Garage Spaces: 2
Covered Spaces: 2
Parking Features: Attached
Interior
Bathroom Information
# of Bathrooms Total: 3
# of Bathrooms Full: 2
# of Bathrooms Partial: 1
Other Bathrooms Included Features: Shower Over Tub
Interior Features
Interior Features: Family Room
Laundry Features: Hookups Only
Upper Level Features: 3 Bedrooms, 2 Baths
Fireplaces Total: 1
Has Fireplace
Flooring: Linoleum, Carpet
Room Information
Rooms Total: 6
Fireplace Features: Wood Burning
Exterior
Building Information
Building Area Total: 1,591
Property Information
Living Area: 1591
Living Area Units: Square Feet
Property Type: Residential
Property Sub Type: Duet
Year Built: 1988
Lot Information
Lot Size Square Feet: 0
Lot Size Units: Acres
Lot Features: Regular
Utilities
Utility Information
Water Source: Public
Heating & Cooling
Has Heating
Heating: Gravity
Cooling: Wall/Window Unit(s)
Location
Homeowners Association Information
Has Association
Association Amenities: Pool
Association Name: CHELSEA BY THE BAY
Association Fee: $75
Association Fee Includes: Common Area Maint
Association Fee Frequency: Monthly
School Information
High School District: West Contra Costa (510) -231-1100
Public facts
Beds: 3
Baths: 3.0
Sq. Ft.: 1,591
Stories: 2.0
Lot Size: 2,668 square feet
Style: Townhouse
Year Built: 1988
Year Renovated: 1988
County: Contra Costa County
APN: 4043510801
Home facts updated by county records on Oct 9, 2026
Around this home
Schools
Ohlone Elementary School
Public K-5 • Assigned • 1.1mi
9/10
Hercules Middle School
Public 6-8 • Assigned • 2.2mi
7/10
Hercules High School
Public 9-12 • Assigned • 2.2mi
9/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
5/10 Flood Factor
Estimated 53-65% chance 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
$622,000 – $752,000
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Property information provided by bridgeMLS, Bay East AOR, or Contra Costa AOR when last listed in 2002. This data may not match public records. Learn more.