Fixer-upper with serious potential! This home boasts 2 bedrooms, 1 bathroom and the most beautiful and peaceful waterfront views. The home comes with a private dock for all your boating and sunset dreams. Ready to roll up your sleeves and make this gem shine? It's a must-see that will go off the market fast!
Single-familyProperty Type
1955Year Built
7,405 sq ftLot Size
$456Est. Price/Sq.Ft.
2 car garageParking
Listed by Rebecca Loboschefsky•DRE #02102323• Keller Williams Realty
Bought with Elfida Chatham•DRE #02058155• Keller Williams Realty
bridgeMLS, Bay East AOR, or Contra Costa AOR #41104068
Aug 13, 2025
Sold
$420,000
$450/sq ft
Jul 24, 2025
Pending
—
Jul 19, 2025
Relisted
—
Jul 17, 2025
Pending
—
Jul 15, 2025
Listed
$418,000
$448/sq ft
Public Records
Dec 21, 1998
Sold
$156,000
$167/sq ft
Public Records
Oct 1, 1978
Sold
$65,000
$70/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$3,759 (+1.8%)
$200,000 + $215,000
$415,000
2024
$3,694 (+1.1%)
$105,023 + $139,301
$244,324
2023
$3,653 (+0.8%)
$102,964 + $136,570
$239,534
2022
$3,622 (+2.1%)
$100,946 + $133,893
$234,839
2021
$3,548 (+1.4%)
$98,967 + $131,268
$230,235
2020
$3,499 (+5.4%)
$97,027 + $128,695
$225,722
2019
$3,320 (+2.5%)
$96,033 + $127,376
$223,409
2018
$3,240 (+0.9%)
$94,150 + $124,879
$219,029
2017
$3,210 (+5.2%)
$90,495 + $120,031
$210,526
2016
$3,052 (+11.5%)
$90,495 + $120,031
$210,526
2015
$2,737 (+24.2%)
$88,721 + $117,678
$206,399
2014
$2,204 (+3.8%)
$59,105 + $78,395
$137,500
2013
$2,124 (−0.8%)
$59,105 + $78,395
$137,500
2012
$2,141 (−4.1%)
$56,311 + $74,689
$131,000
2011
$2,233 (+1.1%)
$56,956 + $75,544
$132,500
2010
$2,208 (−8.1%)
$61,255 + $81,245
$142,500
2009
$2,402 (−6.6%)
$61,255 + $81,245
$142,500
2008
$2,572
$70,067 + $92,933
$163,000
Tax history for 4170 Windsweep Rd
Year
Property tax
Land + Additions
Assessment*
2025
$3,759 (+1.8%)
$200,000 + $215,000
$415,000
2024
$3,694 (+1.1%)
$105,023 + $139,301
$244,324
2023
$3,653 (+0.8%)
$102,964 + $136,570
$239,534
2022
$3,622 (+2.1%)
$100,946 + $133,893
$234,839
2021
$3,548 (+1.4%)
$98,967 + $131,268
$230,235
2020
$3,499 (+5.4%)
$97,027 + $128,695
$225,722
2019
$3,320 (+2.5%)
$96,033 + $127,376
$223,409
2018
$3,240 (+0.9%)
$94,150 + $124,879
$219,029
2017
$3,210 (+5.2%)
$90,495 + $120,031
$210,526
2016
$3,052 (+11.5%)
$90,495 + $120,031
$210,526
2015
$2,737 (+24.2%)
$88,721 + $117,678
$206,399
2014
$2,204 (+3.8%)
$59,105 + $78,395
$137,500
2013
$2,124 (−0.8%)
$59,105 + $78,395
$137,500
2012
$2,141 (−4.1%)
$56,311 + $74,689
$131,000
2011
$2,233 (+1.1%)
$56,956 + $75,544
$132,500
2010
$2,208 (−8.1%)
$61,255 + $81,245
$142,500
2009
$2,402 (−6.6%)
$61,255 + $81,245
$142,500
2008
$2,572
$70,067 + $92,933
$163,000
*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
Permits
Beds
3
Baths
1
Stories
1
Lot width
—
Lot depth
—
Lot size
7,425 Sq. Ft.
Year renovated
—
Sq. Ft.
933
Year built
1955
Style
Single Family Residential
County
Contra Costa County
APN
0300100237
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Jul 13, 2026.
Apr 12, 2018 • Final
Building - residential re-roof
Remove all layers of existing roofing and install new class A composition shingles on a detached garage.
Roofing
May 3, 2017 • Final
Building - residential re-roof
Install a torch-down applied modified bitumen roofing system over an existing layer of modified bitumen roofing.
Roofing
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
Garage Spaces: 2
Covered Spaces: 2
Parking Features: Detached
Interior
Virtual Tour
Bathroom Information
# of Bathrooms Total: 1
# of Bathrooms Full: 1
Interior Features
Interior Features: No Additional Rooms
Appliances: Microwave, Refrigerator
Laundry Features: Washer
Street Level Features: 2 Bedrooms, 1 Bath
Fireplaces Total: 1
Has Fireplace
Flooring: Vinyl, Carpet
Room Information
Kitchen Features: 220 Volt Outlet,Microwave,Refrigerator
Rooms Total: 5
Fireplace Features: Dining Room
Exterior
Building Information
Construction Materials: Wood Siding
Building Area Total: 933
Exterior Features
Exterior Features: Dock, Landscape Front, Yard Space
Roof: Shingle
Property Information
Living Area: 933
Living Area Units: Square Feet
Property Type: Residential
Property Sub Type: Single Family Residence
Year Built: 1955
Lot Information
Other Structures: Shed(s)
Lot Size Square Feet: 7405
Lot Size Area: 0.169995
Lot Size Units: Acres
Lot Size Acres: 0.169995
Utilities
Utility Information
Electric: 220 Volts in Kitchen
Heating & Cooling
Has Heating
Heating: Electric, Wall Furnace
Cooling: No Air Conditioning
Public facts
Beds: 3
Baths: 1.0
Sq. Ft.: 933
Stories: 1.0
Lot Size: 7,425 square feet
Style: Single Family Residential
Year Built: 1955
Year Renovated: —
County: Contra Costa County
APN: 0300100237
Home facts updated by county records on Jul 13, 2026
Around this home
Schools
Summer Lake Elementary
Public K-5 • Assigned • 2.1mi
5/10
Delta Vista Middle School
Public 6-8 • Assigned • 4.1mi
2/10
Freedom High School
Public 9-12 • Assigned • 6.3mi
5/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
8/10 Flood Factor
Estimated 74-82% chance of a flood reaching the building in the next 30 years
2/10 Fire Factor
0.00% chance of being in a wildfire in next 30 years
6/10 Heat Factor
7 days above 101° expected this year, 13 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
85
58
90
62
86
61
78
55
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
$404,000 – $489,000
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Property information provided by bridgeMLS, Bay East AOR, or Contra Costa AOR when last listed in 2025. This data may not match public records. Learn more.