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About this home
Waterfront Living at its Best! Very well maintained and ideally situated on an extra-deep waterfront lot, this spacious 3-bedroom, 2-bath home offers approximately 2,430 square feet of living space, and an oversized two car garage. The home features gorgeous views of Mt. Diablo and Sandmound Slough, for you to enjoy the relaxed Delta lifestyle you’ve been looking for! Breathtaking sunrises and spectacular sunsets from this serene waterfront setting are perfect for entertaining, boating, fishing or simply relaxing on your back deck and taking in the views. The thoughtfully designed floor plan offers the primary bedroom, kitchen, large living area, and dining area on the upper level, while the lower level features two additional bedrooms, a full bath, another expansive living area, and laundry, providing plenty of space and flexibility for family and guests. This home features numerous upgrades, including a new roof , beautiful new custom kitchen countertops, fresh exterior paint, and much more! Located just minutes from fast water and access to more than 1,000 miles of California Delta waterways, this exceptional property offers the perfect combination of comfort, space, and waterfront living. Come experience the Delta lifestyle at its finest!
Single-familyProperty Type
1978Year Built
9,000 sq ftLot Size
$368Price/Sq.Ft.
2 car garageParking
Listed by Julie Jackson•DRE #01335181• Boyd Real Estate, Inc.
bridgeMLS, Bay East AOR, or Contra Costa AOR #41150755
Oct 8, 2026
Listed
$895,000
$368/sq ft
Public Records
Dec 18, 2003
Sold
$508,000
$209/sq ft
Public Records
Apr 23, 1999
Sold
$205,500
$85/sq ft
Public Records
Jan 1, 1978
Sold
$39,000
$16/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$8,057
$295,492 + $349,508
$645,000
2024
$8,053 (−4.3%)
$293,659 + $347,341
$641,000
2023
$8,417 (+2.3%)
$293,659 + $347,341
$641,000
2022
$8,226 (+24.1%)
$307,403 + $363,597
$671,000
2021
$6,628 (+5.6%)
$296,637 + $350,863
$647,500
2020
$6,277 (+3.9%)
$230,209 + $272,291
$502,500
2019
$6,042 (+8.6%)
$216,465 + $256,035
$472,500
2018
$5,563
$209,364 + $247,636
$457,000
2017
$5,564 (+4.2%)
$190,810 + $225,690
$416,500
2016
$5,340 (−1.8%)
$190,810 + $225,690
$416,500
2015
$5,440 (+44.2%)
$190,352 + $225,148
$415,500
2014
$3,773 (+6.5%)
$125,756 + $148,744
$274,500
2013
$3,544 (−0.1%)
$125,756 + $148,744
$274,500
2012
$3,549 (−6.1%)
$118,197 + $139,803
$258,000
2011
$3,778 (−11.4%)
$118,426 + $140,074
$258,500
2010
$4,265 (+8.5%)
$128,276 + $151,724
$280,000
2009
$3,932 (−21.9%)
$149,121 + $176,379
$325,500
2008
$5,033
$137,439 + $162,561
$300,000
Public record
Public record
Permits
Beds
3
Baths
2
Stories
2
Lot width
—
Lot depth
—
Lot size
9,000 Sq. Ft.
Year renovated
1950
Finished Sq. Ft.
2,430
Unfinished Sq. Ft.
—
Total Sq. Ft.
2,430
Year built
1948
Style
Single Family Residential
County
Contra Costa County
APN
0300200136
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Jul 13, 2026.
Feb 12, 2025 • Final
Building - residential re-roof
Tear off the existing roofing. Install a composition cool roof and a torch down roofing system on a residential building.
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.
Climate risks
8/10 Flood Factor
Estimated 80%+ 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
86
60
90
62
85
62
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
Redfin Estimate for 4246 Windsweep Rd
$898,712
$3,712 over list price of $895K
Nearby comparable homes
The Redfin Estimate uses 6 recent nearby sales, priced between $730K to $949K.