3974 Stone Rd is a 805 square foot house on a 9,411 square foot lot with 1 bedroom and 2 bathrooms. Based on Redfin's Bethel Island data, we estimate the home's value is $447,705.
Single-familyProperty Type
1966Year Built
9,411 sq ftLot Size
$556Est. Price/Sq.Ft.
2 car garageParking
Source:Public Records
Redfin Estimate
$447,705
$5,000 since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 34.6% lower than the average sale price ($685K) of 6 comparable homes.
bridgeMLS, Bay East AOR, or Contra Costa AOR #40386971
Jan 3, 2009
Listing Removed
—
Public Records
Apr 20, 2005
Sold
$570,000
$708/sq ft
bridgeMLS, Bay East AOR, or Contra Costa AOR #40038365
Feb 25, 2005
Listing Removed
—
Public Records
Jun 22, 1988
Sold
$165,000
$205/sq ft
Year
Property tax
Land + Additions
Assessment*
2026
$4,021 (+2.5%)
$78,803 + $178,626
$257,429
2025
$3,921 (+1.7%)
$78,803 + $178,626
$257,429
2024
$3,855 (+1.1%)
$77,258 + $175,124
$252,382
2023
$3,813 (+0.8%)
$75,744 + $171,691
$247,435
2022
$3,783 (+2.0%)
$74,259 + $168,325
$242,584
2021
$3,710 (+1.3%)
$72,803 + $165,025
$237,828
2020
$3,661 (+5.9%)
$71,376 + $161,790
$233,166
2019
$3,456 (+2.5%)
$70,645 + $160,132
$230,777
2018
$3,373 (+0.9%)
$69,260 + $156,993
$226,253
2017
$3,344 (+5.3%)
$66,571 + $150,898
$217,469
2016
$3,177 (−0.5%)
$66,571 + $150,898
$217,469
2015
$3,192 (+4.9%)
$65,266 + $147,940
$213,206
2014
$3,043 (+20.6%)
$63,027 + $142,864
$205,891
2013
$2,524 (+3.8%)
$63,027 + $142,864
$205,891
2012
$2,432 (+20.8%)
$50,000 + $110,000
$160,000
2011
$2,013 (−5.8%)
$63,893 + $88,107
$152,000
2010
$2,138 (−32.9%)
$49,181 + $67,819
$117,000
2009
$3,188 (−29.8%)
$54,646 + $75,354
$130,000
2008
$4,542
$161,430 + $64,570
$226,000
Tax history for 3974 Stone Rd
Year
Property tax
Land + Additions
Assessment*
2026
$4,021 (+2.5%)
$78,803 + $178,626
$257,429
2025
$3,921 (+1.7%)
$78,803 + $178,626
$257,429
2024
$3,855 (+1.1%)
$77,258 + $175,124
$252,382
2023
$3,813 (+0.8%)
$75,744 + $171,691
$247,435
2022
$3,783 (+2.0%)
$74,259 + $168,325
$242,584
2021
$3,710 (+1.3%)
$72,803 + $165,025
$237,828
2020
$3,661 (+5.9%)
$71,376 + $161,790
$233,166
2019
$3,456 (+2.5%)
$70,645 + $160,132
$230,777
2018
$3,373 (+0.9%)
$69,260 + $156,993
$226,253
2017
$3,344 (+5.3%)
$66,571 + $150,898
$217,469
2016
$3,177 (−0.5%)
$66,571 + $150,898
$217,469
2015
$3,192 (+4.9%)
$65,266 + $147,940
$213,206
2014
$3,043 (+20.6%)
$63,027 + $142,864
$205,891
2013
$2,524 (+3.8%)
$63,027 + $142,864
$205,891
2012
$2,432 (+20.8%)
$50,000 + $110,000
$160,000
2011
$2,013 (−5.8%)
$63,893 + $88,107
$152,000
2010
$2,138 (−32.9%)
$49,181 + $67,819
$117,000
2009
$3,188 (−29.8%)
$54,646 + $75,354
$130,000
2008
$4,542
$161,430 + $64,570
$226,000
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Jul 15, 2010 • Final
Building - residential re-roof
Tear off and replace the roof on a boat dock shed.
Roofing
Jan 30, 2010 • Final
Building/residential/cg/carport garage
Work on a detached garage.
ADU
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: BETHEL
Living Sq. Ft: 805
Ground Floor Sq. Ft: 805
Building Sq. Ft: 805
# of Stories: 1
Legal Description: SANDMOUND PARK POR LOT 69 & TR ADJ
Parking & Garage Information
Garage/Parking Sq. Ft: 600
Lot Information
# of Buildings: 1
Land Sq. Ft: 9,411
Legal Lot Number: 69
Acres: 0.216
Zoning Code: F-1
County Use Description: SINGLE FAMILY
Location Information
Parcel Location Influence: Waterfront
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 1
Baths: 2.0
Sq. Ft.: 805
Stories: 1.0
Lot Size: 9,411 square feet
Style: Single Family Residential
Year Built: 1966
Year Renovated: 1967
County: Contra Costa County
APN: 0311400774
Home facts updated by county records on Oct 30, 2026
Around this home
Schools
K - 12
Preschool & daycare
Summer Lake Elementary
Public K-5 • Assigned • 1.9mi
5/10
Delta Vista Middle School
Public 6-8 • Assigned • 3.9mi
2/10
Freedom High School
Public 9-12 • Assigned • 5.8mi
5/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
9/10 Flood Factor
Estimated 80%+ 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
6/10 Heat Factor
6 days above 101° expected this year, 12 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
10/10 Air Factor
21 unhealthy days expected this year, 23 days in 30 years
Provided by First Street
Historical weather
Bethel Island, CA • 94511
Average low and high temperatures (°F)
58
40
63
45
71
50
72
51
80
56
85
58
86
60
90
62
85
62
74
54
63
47
55
44
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 12.8 hours in
June and 4.6 hours in December, placing it above the
U.S. average for solar exposure.
12.8 hrs
4.6 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$426,000 – $515,000
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