2445 May Rd is a 776 square foot house on a 1.1 acre lot with 2 bedrooms and 1 bathroom. Based on Redfin's El Sobrante data, we estimate the home's value is $625,185.
Single-familyProperty Type
1940Year Built
1.1 acresLot Size
$806Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$625,185
$13K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 2.5% lower than the average sale price ($641K) of 6 comparable homes.
As the MLS and public records start to fill up, we'll list the details here.
Year
Property tax
Land + Additions
Assessment*
2025
$1,777 (+2.3%)
$33,219 + $20,967
$54,186
2024
$1,737 (+3.2%)
$32,568 + $20,556
$53,124
2023
$1,683 (+2.8%)
$31,930 + $20,153
$52,083
2022
$1,637 (+2.4%)
$31,304 + $19,758
$51,062
2021
$1,599 (+3.9%)
$30,691 + $19,371
$50,062
2020
$1,538 (+0.7%)
$30,090 + $18,992
$49,082
2019
$1,528 (+5.7%)
$29,782 + $18,798
$48,580
2018
$1,445 (+4.9%)
$29,199 + $18,430
$47,629
2017
$1,378 (−20.1%)
$28,066 + $17,715
$45,781
2016
$1,724 (+2.6%)
$28,066 + $17,715
$45,781
2015
$1,681 (+0.4%)
$27,516 + $49,545
$77,061
2014
$1,674 (+2.7%)
$26,573 + $47,846
$74,419
2013
$1,630 (+7.4%)
$26,573 + $47,846
$74,419
2012
$1,518 (+5.1%)
$26,453 + $47,630
$74,083
2011
$1,444 (+4.3%)
$25,935 + $46,697
$72,632
2010
$1,385 (+2.1%)
$25,427 + $45,782
$71,209
2009
$1,357 (+11.5%)
$25,237 + $45,440
$70,677
2008
$1,217
$25,297 + $45,548
$70,845
Tax history for 2445 May Rd
Year
Property tax
Land + Additions
Assessment*
2025
$1,777 (+2.3%)
$33,219 + $20,967
$54,186
2024
$1,737 (+3.2%)
$32,568 + $20,556
$53,124
2023
$1,683 (+2.8%)
$31,930 + $20,153
$52,083
2022
$1,637 (+2.4%)
$31,304 + $19,758
$51,062
2021
$1,599 (+3.9%)
$30,691 + $19,371
$50,062
2020
$1,538 (+0.7%)
$30,090 + $18,992
$49,082
2019
$1,528 (+5.7%)
$29,782 + $18,798
$48,580
2018
$1,445 (+4.9%)
$29,199 + $18,430
$47,629
2017
$1,378 (−20.1%)
$28,066 + $17,715
$45,781
2016
$1,724 (+2.6%)
$28,066 + $17,715
$45,781
2015
$1,681 (+0.4%)
$27,516 + $49,545
$77,061
2014
$1,674 (+2.7%)
$26,573 + $47,846
$74,419
2013
$1,630 (+7.4%)
$26,573 + $47,846
$74,419
2012
$1,518 (+5.1%)
$26,453 + $47,630
$74,083
2011
$1,444 (+4.3%)
$25,935 + $46,697
$72,632
2010
$1,385 (+2.1%)
$25,427 + $45,782
$71,209
2009
$1,357 (+11.5%)
$25,237 + $45,440
$70,677
2008
$1,217
$25,297 + $45,548
$70,845
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Sep 2, 2016 • Final
Building/residential/al/alteration
Replace windows on the building.
Remodel
Jan 30, 2010 • Final
Building/residential/ad/single family addition
Work on a garage and building additions.
Addition
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: 5
Exterior
Property Information
Subdivision Name: RANCHO EL SOBRANTE
Living Sq. Ft: 776
Ground Floor Sq. Ft: 776
Building Sq. Ft: 776
# of Stories: 1
Legal Description: RO EL SOBRANTE POR LOT 25
Parking & Garage Information
Garage/Parking Sq. Ft: 432
Lot Information
# of Buildings: 1
Land Sq. Ft: 47,829
Legal Lot Number: 25
Acres: 1.098
Zoning Code: R-7
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 2
Baths: 1.0
Sq. Ft.: 776
Stories: 1.0
Lot Size: 1.1 acres
Style: Single Family Residential
Year Built: 1940
Year Renovated: 1940
County: Contra Costa County
APN: 4310300126
Home facts updated by county records on Jul 13, 2026
Around this home
Schools
Sheldon Elementary School
Public K-6 • Assigned • 0.1mi
6/10
Betty Reid Soskin Middle
Public 6-8 • Assigned • 1.5mi
2/10
De Anza Senior High School
Public 9-12 • Assigned • 0.6mi
4/10
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
3/10 Fire Factor
0.46% chance of being in a wildfire in next 30 years
3/10 Heat Factor
7 days above 88° 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
El Sobrante, CA • 94803
Average low and high temperatures (°F)
59
44
61
45
67
49
65
49
69
51
68
52
66
53
73
55
73
56
73
54
61
48
57
45
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 11.1 hours in
June and 5 hours in December, placing it above the
U.S. average for solar exposure.
11.1 hrs
5 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$594,000 – $719,000
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