4228 Windsweep Rd is a 624 square foot house on a 7,425 square foot lot with 1 bedroom and 1 bathroom. Based on Redfin's Bethel Island data, we estimate the home's value is $391,624.
Single-familyProperty Type
1947Year Built
7,425 sq ftLot Size
$628Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$391,624
$34K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 28.8% lower than the average sale price ($550K) of 6 comparable homes.
Add an addition to and repair a dock according to the provided plans.
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: 4
Exterior
Property Information
Subdivision Name: PLEASANTIMES SUB
Living Sq. Ft: 624
Ground Floor Sq. Ft: 416
Building Sq. Ft: 624
# of Stories: 1
Legal Description: PLEASANTIMES SUB LOT 39
Parking & Garage Information
Garage/Parking Sq. Ft: 312
Lot Information
# of Buildings: 1
Land Sq. Ft: 7,425
Legal Lot Number: 39
Acres: 0.1705
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: 1.0
Sq. Ft.: 624
Stories: 1.0
Lot Size: 7,425 square feet
Style: Single Family Residential
Year Built: 1947
Year Renovated: —
County: Contra Costa County
APN: 0300200078
Home facts updated by county records on Jul 13, 2026
Around this home
Schools
Summer Lake Elementary
Public K-5 • Assigned • 2.0mi
5/10
Delta Vista Middle School
Public 6-8 • Assigned • 4.2mi
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
6/10 Flood Factor
Estimated 60-74% 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
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
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
$373,000 – $451,000
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