148 Oneil Cir is a 1,064 square foot house on a 3,240 square foot lot with 2 bedrooms and 2 bathrooms. Based on Redfin's Hercules data, we estimate the home's value is $591,929.
Single-familyProperty Type
1988Year Built
3,240 sq ftLot Size
$556Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$591,929
$4,000 since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 13.2% lower than the average sale price ($682K) 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
$2,131 (+10.5%)
$24,706 + $46,732
$71,438
2024
$1,929 (+1.1%)
$24,222 + $45,816
$70,038
2023
$1,907 (+1.3%)
$23,748 + $44,918
$68,666
2022
$1,882 (+0.3%)
$23,283 + $44,038
$67,321
2021
$1,876 (−9.2%)
$22,827 + $43,175
$66,002
2020
$2,066 (+13.6%)
$22,380 + $42,329
$64,709
2019
$1,818 (−7.1%)
$22,151 + $41,895
$64,046
2018
$1,958 (+13.6%)
$21,717 + $41,074
$62,791
2017
$1,723 (−3.7%)
$20,875 + $39,480
$60,355
2016
$1,789 (+0.3%)
$20,875 + $39,480
$60,355
2015
$1,783 (−1.8%)
$20,466 + $38,706
$59,172
2014
$1,816 (+5.3%)
$19,765 + $37,379
$57,144
2013
$1,724 (+5.8%)
$19,765 + $37,379
$57,144
2012
$1,630 (+5.9%)
$19,676 + $37,211
$56,887
2011
$1,539 (−1.0%)
$19,291 + $36,482
$55,773
2010
$1,555 (−0.9%)
$18,913 + $35,767
$54,680
2009
$1,569 (+12.6%)
$18,772 + $35,500
$54,272
2008
$1,393
$18,817 + $35,585
$54,402
Tax history for 148 Oneil Cir
Year
Property tax
Land + Additions
Assessment*
2025
$2,131 (+10.5%)
$24,706 + $46,732
$71,438
2024
$1,929 (+1.1%)
$24,222 + $45,816
$70,038
2023
$1,907 (+1.3%)
$23,748 + $44,918
$68,666
2022
$1,882 (+0.3%)
$23,283 + $44,038
$67,321
2021
$1,876 (−9.2%)
$22,827 + $43,175
$66,002
2020
$2,066 (+13.6%)
$22,380 + $42,329
$64,709
2019
$1,818 (−7.1%)
$22,151 + $41,895
$64,046
2018
$1,958 (+13.6%)
$21,717 + $41,074
$62,791
2017
$1,723 (−3.7%)
$20,875 + $39,480
$60,355
2016
$1,789 (+0.3%)
$20,875 + $39,480
$60,355
2015
$1,783 (−1.8%)
$20,466 + $38,706
$59,172
2014
$1,816 (+5.3%)
$19,765 + $37,379
$57,144
2013
$1,724 (+5.8%)
$19,765 + $37,379
$57,144
2012
$1,630 (+5.9%)
$19,676 + $37,211
$56,887
2011
$1,539 (−1.0%)
$19,291 + $36,482
$55,773
2010
$1,555 (−0.9%)
$18,913 + $35,767
$54,680
2009
$1,569 (+12.6%)
$18,772 + $35,500
$54,272
2008
$1,393
$18,817 + $35,585
$54,402
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning and permits
Zoning
Permits
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
Mar 7, 2023 • Final
Building/residential/rp/repair
Remove existing lap siding and install new James Hardie lap siding. Repair the wall paper as needed.
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
Interior
Room Information
# of Rooms: 4
Exterior
Property Information
Subdivision Name: SUBDIVISION 6773
Living Sq. Ft: 1,064
Ground Floor Sq. Ft: 1,064
Building Sq. Ft: 1,064
# of Stories: 1
Legal Description: T6773 L17
Parking & Garage Information
Garage/Parking Sq. Ft: 254
Lot Information
# of Buildings: 1
Land Sq. Ft: 3,240
Legal Lot Number: 17
Acres: 0.0744
County Use Description: SINGLE FAMILY DETACHED WITH MA
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 2
Baths: 2.0
Sq. Ft.: 1,064
Stories: 1.0
Lot Size: 3,240 square feet
Style: Single Family Residential
Year Built: 1988
Year Renovated: 1988
County: Contra Costa County
APN: 4043510173
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
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
$563,000 – $681,000
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