bridgeMLS, Bay East AOR, or Contra Costa AOR #23005395
Apr 18, 2003
Sold
$500,000
$248/sq ft
Mar 17, 2003
Listing Removed
—
Feb 19, 2003
Listed
$525,000
$261/sq ft
Public Records
Apr 28, 1989
Sold
$222,000
$110/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$11,016 (+3.8%)
$324,996 + $413,632
$738,628
2024
$10,609 (+1.8%)
$318,624 + $405,522
$724,146
2023
$10,425 (+1.1%)
$312,377 + $397,571
$709,948
2022
$10,309
$306,252 + $389,776
$696,028
2021
$10,303 (+4.4%)
$300,248 + $382,134
$682,382
2020
$9,865 (+1.6%)
$294,361 + $374,642
$669,003
2019
$9,710 (+6.3%)
$291,343 + $370,801
$662,144
2018
$9,139 (+9.2%)
$285,631 + $363,531
$649,162
2017
$8,371 (+8.4%)
$243,320 + $309,680
$553,000
2016
$7,720 (+1.5%)
$243,320 + $309,680
$553,000
2015
$7,603 (+8.0%)
$221,980 + $282,520
$504,500
2014
$7,043 (+19.6%)
$192,500 + $245,000
$437,500
2013
$5,887 (+8.3%)
$192,500 + $245,000
$437,500
2012
$5,438 (−7.7%)
$157,740 + $200,760
$358,500
2011
$5,889 (+1.2%)
$86,232 + $261,268
$347,500
2010
$5,819 (−5.0%)
$168,960 + $215,040
$384,000
2009
$6,123 (−14.0%)
$174,020 + $221,480
$395,500
2008
$7,118
$185,900 + $236,600
$422,500
Tax history for 106 Obsidian Way
Year
Property tax
Land + Additions
Assessment*
2025
$11,016 (+3.8%)
$324,996 + $413,632
$738,628
2024
$10,609 (+1.8%)
$318,624 + $405,522
$724,146
2023
$10,425 (+1.1%)
$312,377 + $397,571
$709,948
2022
$10,309
$306,252 + $389,776
$696,028
2021
$10,303 (+4.4%)
$300,248 + $382,134
$682,382
2020
$9,865 (+1.6%)
$294,361 + $374,642
$669,003
2019
$9,710 (+6.3%)
$291,343 + $370,801
$662,144
2018
$9,139 (+9.2%)
$285,631 + $363,531
$649,162
2017
$8,371 (+8.4%)
$243,320 + $309,680
$553,000
2016
$7,720 (+1.5%)
$243,320 + $309,680
$553,000
2015
$7,603 (+8.0%)
$221,980 + $282,520
$504,500
2014
$7,043 (+19.6%)
$192,500 + $245,000
$437,500
2013
$5,887 (+8.3%)
$192,500 + $245,000
$437,500
2012
$5,438 (−7.7%)
$157,740 + $200,760
$358,500
2011
$5,889 (+1.2%)
$86,232 + $261,268
$347,500
2010
$5,819 (−5.0%)
$168,960 + $215,040
$384,000
2009
$6,123 (−14.0%)
$174,020 + $221,480
$395,500
2008
$7,118
$185,900 + $236,600
$422,500
*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
4
Baths
3
Stories
2
Lot width
—
Lot depth
—
Lot size
7,700 Sq. Ft.
Year renovated
1989
Sq. Ft.
2,013
Year built
1989
Style
Single Family Residential
County
Contra Costa County
APN
4070440153
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Jul 13, 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
May 16, 2025 • Final
Building - residential mechanical
Install a new furnace to replace the existing unit. A HERS report may be required at the final inspection.
HVAC
Feb 5, 2025 • Active
Building - residential mechanical
Replace an 80% furnace with a similar unit in the existing location. A HERS report may be required at the final inspection.
HVAC
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, RV/Boat Parking
Interior
Bathroom Information
# of Bathrooms Total: 3
# of Bathrooms Full: 3
Interior Features
Interior Features: Dining Area, Family Room
Laundry Features: Dryer, Washer
Upper Level Features: 3 Bedrooms, 2 Baths
Street Level Features: 1 Bedroom, 1 Bath, Main Entry
Fireplaces Total: 1
Has Fireplace
Flooring: Carpet
Room Information
Rooms Total: 10
Fireplace Features: Brick
Exterior
Building Information
Building Area Total: 2,013
Property Information
Living Area: 2013
Living Area Units: Square Feet
Property Type: Residential
Property Sub Type: Single Family Residence
Year Built: 1989
Lot Information
Lot Size Square Feet: 7700
Lot Size Area: 0.18
Lot Size Units: Acres
Lot Size Acres: 0.18
Lot Features: Regular
Zoning: R1
Utilities
Utility Information
Water Source: Public
Heating & Cooling
Has Heating
Heating: Forced Air
Cooling: Central Air
Location
School Information
High School District: West Contra Costa (510) -231-1100
Public facts
Beds: 4
Baths: 3.0
Sq. Ft.: 2,013
Stories: 2.0
Lot Size: 7,700 square feet
Style: Single Family Residential
Year Built: 1989
Year Renovated: 1989
County: Contra Costa County
APN: 4070440153
Home facts updated by county records on Jul 13, 2026
Around this home
Schools
Ohlone Elementary School
Public K-5 • Assigned • 0.3mi
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
4/10 Fire Factor
0.93% 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
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
$860,000 – $1.04M
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Property information provided by bridgeMLS, Bay East AOR, or Contra Costa AOR when last listed in 2003. This data may not match public records. Learn more.