666 El Centro Rd is a 831 square foot house on a 7,200 square foot lot with 2 bedrooms and 1 bathroom. Based on Redfin's El Sobrante data, we estimate the home's value is $517,020.
Single-familyProperty Type
1946Year Built
7,200 sq ftLot Size
$622Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$517,020
$0 since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 14% lower than the average sale price ($602K) 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
$1,752 (+2.2%)
$20,559 + $24,706
$45,265
2024
$1,715 (+3.1%)
$20,156 + $24,222
$44,378
2023
$1,663 (+2.8%)
$19,761 + $23,748
$43,509
2022
$1,619 (+2.3%)
$19,374 + $23,283
$42,657
2021
$1,582 (+3.9%)
$18,995 + $22,827
$41,822
2020
$1,524 (+0.6%)
$18,623 + $22,380
$41,003
2019
$1,515 (+12.5%)
$18,433 + $22,151
$40,584
2018
$1,346 (+5.1%)
$18,072 + $21,717
$39,789
2017
$1,281 (+5.5%)
$17,371 + $20,875
$38,246
2016
$1,214 (+3.8%)
$17,371 + $20,875
$38,246
2015
$1,169
$17,031 + $20,466
$37,497
2014
$1,168 (+3.4%)
$16,448 + $19,765
$36,213
2013
$1,130 (+7.0%)
$16,448 + $19,765
$36,213
2012
$1,056 (+7.5%)
$16,374 + $19,676
$36,050
2011
$982 (+4.1%)
$16,053 + $19,291
$35,344
2010
$943 (+3.2%)
$15,739 + $18,913
$34,652
2009
$914 (+13.6%)
$15,622 + $18,772
$34,394
2008
$805
$15,660 + $18,817
$34,477
Tax history for 666 El Centro Rd
Year
Property tax
Land + Additions
Assessment*
2025
$1,752 (+2.2%)
$20,559 + $24,706
$45,265
2024
$1,715 (+3.1%)
$20,156 + $24,222
$44,378
2023
$1,663 (+2.8%)
$19,761 + $23,748
$43,509
2022
$1,619 (+2.3%)
$19,374 + $23,283
$42,657
2021
$1,582 (+3.9%)
$18,995 + $22,827
$41,822
2020
$1,524 (+0.6%)
$18,623 + $22,380
$41,003
2019
$1,515 (+12.5%)
$18,433 + $22,151
$40,584
2018
$1,346 (+5.1%)
$18,072 + $21,717
$39,789
2017
$1,281 (+5.5%)
$17,371 + $20,875
$38,246
2016
$1,214 (+3.8%)
$17,371 + $20,875
$38,246
2015
$1,169
$17,031 + $20,466
$37,497
2014
$1,168 (+3.4%)
$16,448 + $19,765
$36,213
2013
$1,130 (+7.0%)
$16,448 + $19,765
$36,213
2012
$1,056 (+7.5%)
$16,374 + $19,676
$36,050
2011
$982 (+4.1%)
$16,053 + $19,291
$35,344
2010
$943 (+3.2%)
$15,739 + $18,913
$34,652
2009
$914 (+13.6%)
$15,622 + $18,772
$34,394
2008
$805
$15,660 + $18,817
$34,477
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Jan 29, 2018 • Final
Building - residential plumbing
Remove and replace a gas water heater.
Gas
Plumbing
Water heater
Nov 1, 2016 • Final
Building/residential/al/alteration
Remove and replace a patio door with a new vinyl retrofit door.
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: SANTA RITA ACRES
Living Sq. Ft: 831
Ground Floor Sq. Ft: 831
Building Sq. Ft: 831
# of Stories: 1
Legal Description: SANTA RITA ACRES #6 LOT 394
Parking & Garage Information
Garage/Parking Sq. Ft: 464
Lot Information
# of Buildings: 1
Land Sq. Ft: 7,200
Legal Lot Number: 394
Acres: 0.1653
Zoning Code: R-6
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 2
Baths: 1.0
Sq. Ft.: 831
Stories: 1.0
Lot Size: 7,200 square feet
Style: Single Family Residential
Year Built: 1946
Year Renovated: —
County: Contra Costa County
APN: 4250220052
Home facts updated by county records on Oct 10, 2026
Around this home
Schools
Murphy Elementary School
Public K-6 • Assigned • 1.1mi
5/10
Betty Reid Soskin Middle
Public 6-8 • Assigned • 0.9mi
2/10
De Anza Senior High School
Public 9-12 • Assigned • 1.4mi
4/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
1/10 Flood Factor
Minimal risk of a flood reaching the building in the next 30 years
3/10 Fire Factor
0.15% chance of being in a wildfire in next 30 years
3/10 Heat Factor
7 days above 87° 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
69
54
73
55
73
58
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
$492,000 – $595,000
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