217 Obsidian Way is a 2,344 square foot house on a 7,320 square foot lot with 4 bedrooms and 3 bathrooms. - it last sold on August 21, 1998 for $265,000. Based on Redfin's Hercules data, we estimate the home's value is $896,258.
Single-familyProperty Type
1988Year Built
7,320 sq ftLot Size
$382Est. Price/Sq.Ft.
1 car garageParking
Source:Public Records
Redfin Estimate
$896,258
$631K since sold in August 1998$13K since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 0.2% higher than the average sale price ($895K) of 6 comparable homes.
bridgeMLS, Bay East AOR, or Contra Costa AOR #28644769
Jul 16, 1998
Listing Removed
—
Public Records
Mar 27, 1987
Sold
$178,000
$76/sq ft
Year
Property tax
Land + Additions
Assessment*
2026
$7,043 (+5.9%)
$114,317 + $309,407
$423,724
2025
$6,648 (+4.8%)
$114,317 + $309,407
$423,724
2024
$6,341 (+1.7%)
$112,076 + $303,341
$415,417
2023
$6,237 (+1.1%)
$109,879 + $297,394
$407,273
2022
$6,167
$107,725 + $291,563
$399,288
2021
$6,164 (+0.7%)
$105,613 + $285,847
$391,460
2020
$6,122 (+5.4%)
$103,543 + $280,243
$383,786
2019
$5,806 (−0.8%)
$102,482 + $277,370
$379,852
2018
$5,854 (+5.5%)
$100,473 + $271,932
$372,405
2017
$5,549 (−1.0%)
$96,572 + $261,373
$357,945
2016
$5,604 (−0.2%)
$96,572 + $261,373
$357,945
2015
$5,614 (+0.3%)
$94,679 + $256,249
$350,928
2014
$5,598 (+2.4%)
$91,431 + $247,456
$338,887
2013
$5,465 (+4.0%)
$91,431 + $247,456
$338,887
2012
$5,255 (+1.8%)
$91,018 + $246,338
$337,356
2011
$5,161 (+4.3%)
$89,234 + $241,508
$330,742
2010
$4,950 (+0.3%)
$87,485 + $236,773
$324,258
2009
$4,936 (+7.2%)
$86,832 + $235,004
$321,836
2008
$4,606
$87,039 + $235,563
$322,602
Tax history for 217 Obsidian Way
Year
Property tax
Land + Additions
Assessment*
2026
$7,043 (+5.9%)
$114,317 + $309,407
$423,724
2025
$6,648 (+4.8%)
$114,317 + $309,407
$423,724
2024
$6,341 (+1.7%)
$112,076 + $303,341
$415,417
2023
$6,237 (+1.1%)
$109,879 + $297,394
$407,273
2022
$6,167
$107,725 + $291,563
$399,288
2021
$6,164 (+0.7%)
$105,613 + $285,847
$391,460
2020
$6,122 (+5.4%)
$103,543 + $280,243
$383,786
2019
$5,806 (−0.8%)
$102,482 + $277,370
$379,852
2018
$5,854 (+5.5%)
$100,473 + $271,932
$372,405
2017
$5,549 (−1.0%)
$96,572 + $261,373
$357,945
2016
$5,604 (−0.2%)
$96,572 + $261,373
$357,945
2015
$5,614 (+0.3%)
$94,679 + $256,249
$350,928
2014
$5,598 (+2.4%)
$91,431 + $247,456
$338,887
2013
$5,465 (+4.0%)
$91,431 + $247,456
$338,887
2012
$5,255 (+1.8%)
$91,018 + $246,338
$337,356
2011
$5,161 (+4.3%)
$89,234 + $241,508
$330,742
2010
$4,950 (+0.3%)
$87,485 + $236,773
$324,258
2009
$4,936 (+7.2%)
$86,832 + $235,004
$321,836
2008
$4,606
$87,039 + $235,563
$322,602
*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
Oct 31, 2022 • Final
Building - residential solar photovoltaic
Install a roof-mounted solar photovoltaic system on a residential building. The project includes a revised system size and updated panel layout using Hanwha panels.
Electrical
Solar
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: 12
Exterior
Property Information
Living Sq. Ft: 2,344
Ground Floor Sq. Ft: 1,332
Building Sq. Ft: 2,344
# of Stories: 2
Legal Description: T6156A L0134 B
Parking & Garage Information
Garage/Parking Sq. Ft: 739
Lot Information
# of Buildings: 1
Land Sq. Ft: 7,320
Legal Lot Number: 134
Acres: 0.168
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 3.0
Sq. Ft.: 2,344
Stories: 2.0
Lot Size: 7,320 square feet
Style: Single Family Residential
Year Built: 1988
Year Renovated: 1988
County: Contra Costa County
APN: 4070530177
Home facts updated by county records on Oct 30, 2026
Around this home
Schools
K - 12
Preschool & daycare
Ohlone Elementary School
Public K-5 • Assigned • 0.5mi
9/10
Hercules Middle School
Public 6-8 • Assigned • 1.2mi
7/10
Hercules High School
Public 9-12 • Assigned • 1.2mi
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
3/10 Fire Factor
0.77% chance of being 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
71
51
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
$852,000 – $1.03M
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