100 Obsidian Way is a 2,328 square foot house on a 8,400 square foot lot with 5 bedrooms and 3 bathrooms. - it last sold on May 08, 1989 for $256,000. Based on Redfin's Hercules data, we estimate the home's value is $926,057.
Single-familyProperty Type
1989Year Built
8,400 sq ftLot Size
$398Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$926,057
$670K since sold in May 1989$0 since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 3.6% higher than the average sale price ($894K) of 5 comparable homes.
*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
Nov 2, 2018 • Final
Building/residential/al/alteration
Remove and replace windows and a patio door in the same size and location.
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: 11
Exterior
Property Information
Subdivision Name: SUBDIVISION 6156
Living Sq. Ft: 2,328
Ground Floor Sq. Ft: 1,316
Building Sq. Ft: 2,328
# of Stories: 2
Legal Description: T6156A L0199 B
Parking & Garage Information
Garage/Parking Sq. Ft: 479
Lot Information
# of Buildings: 1
Land Sq. Ft: 8,400
Legal Lot Number: 199
Acres: 0.1928
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 5
Baths: 3.0
Sq. Ft.: 2,328
Stories: 2.0
Lot Size: 8,400 square feet
Style: Single Family Residential
Year Built: 1989
Year Renovated: 1989
County: Contra Costa County
APN: 4070440161
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)
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75
53
63
47
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45
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Feb
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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
$880,000 – $1.07M
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