4250 Harmon Rd is a 1,031 square foot house on a 5,000 square foot lot with 3 bedrooms and 1 bathroom. - it last sold on August 31, 2010 for $208,000. Based on Redfin's El Sobrante data, we estimate the home's value is $651,020.
Single-familyProperty Type
1953Year Built
5,000 sq ftLot Size
$631Est. Price/Sq.Ft.
1 car garageParking
Source:Public Records
Redfin Estimate
$651,020
$443K since sold in August 2010$25K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 20.8% higher than the average sale price ($539K) of 6 comparable homes.
bridgeMLS, Bay East AOR, or Contra Costa AOR #40019200
Jun 20, 2004
Listing Removed
—
Public Records
Jul 10, 2001
Sold
$246,000
$239/sq ft
Public Records
Apr 25, 1997
Sold
$130,000
$126/sq ft
bridgeMLS, Bay East AOR, or Contra Costa AOR #26637776
Apr 25, 1997
Sold
$129,900
$126/sq ft
Mar 15, 1997
Listing Removed
—
Jun 6, 1996
Listed
$129,900
$126/sq ft
COZY LITTLE HOME-VIEW-UPDATED KITCHEN. BIG BACKYARD. SATELLITE DISH. SELLER TO PROVIDE FREE HOME INSPECTION
Year
Property tax
Land + Additions
Assessment*
2025
$4,398 (+2.4%)
$143,740 + $117,608
$261,348
2024
$4,297 (+2.4%)
$140,922 + $115,302
$256,224
2023
$4,195 (+1.7%)
$138,159 + $113,042
$251,201
2022
$4,123 (+0.9%)
$135,450 + $110,826
$246,276
2021
$4,087 (+4.3%)
$132,795 + $108,653
$241,448
2020
$3,918 (+1.3%)
$130,192 + $106,523
$236,715
2019
$3,867 (+4.4%)
$128,858 + $105,431
$234,289
2018
$3,705 (+3.0%)
$126,332 + $103,364
$229,696
2017
$3,598 (+2.0%)
$121,427 + $99,351
$220,778
2016
$3,526 (+1.0%)
$121,427 + $99,351
$220,778
2015
$3,491 (+0.9%)
$119,047 + $97,403
$216,450
2014
$3,461 (+23.5%)
$114,963 + $94,061
$209,024
2013
$2,801 (+6.1%)
$114,963 + $94,061
$209,024
2012
$2,639 (−14.7%)
$89,375 + $73,125
$162,500
2011
$3,094 (+5.2%)
$89,375 + $73,125
$162,500
2010
$2,940 (−14.2%)
$110,000 + $90,000
$200,000
2009
$3,426 (−7.2%)
$116,464 + $74,536
$191,000
2008
$3,690
$142,379 + $91,121
$233,500
Tax history for 4250 Harmon Rd
Year
Property tax
Land + Additions
Assessment*
2025
$4,398 (+2.4%)
$143,740 + $117,608
$261,348
2024
$4,297 (+2.4%)
$140,922 + $115,302
$256,224
2023
$4,195 (+1.7%)
$138,159 + $113,042
$251,201
2022
$4,123 (+0.9%)
$135,450 + $110,826
$246,276
2021
$4,087 (+4.3%)
$132,795 + $108,653
$241,448
2020
$3,918 (+1.3%)
$130,192 + $106,523
$236,715
2019
$3,867 (+4.4%)
$128,858 + $105,431
$234,289
2018
$3,705 (+3.0%)
$126,332 + $103,364
$229,696
2017
$3,598 (+2.0%)
$121,427 + $99,351
$220,778
2016
$3,526 (+1.0%)
$121,427 + $99,351
$220,778
2015
$3,491 (+0.9%)
$119,047 + $97,403
$216,450
2014
$3,461 (+23.5%)
$114,963 + $94,061
$209,024
2013
$2,801 (+6.1%)
$114,963 + $94,061
$209,024
2012
$2,639 (−14.7%)
$89,375 + $73,125
$162,500
2011
$3,094 (+5.2%)
$89,375 + $73,125
$162,500
2010
$2,940 (−14.2%)
$110,000 + $90,000
$200,000
2009
$3,426 (−7.2%)
$116,464 + $74,536
$191,000
2008
$3,690
$142,379 + $91,121
$233,500
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Mar 29, 2018 • Final
Building/residential/al/alteration
Remodel a bathroom by removing the existing bathtub and replacing it with a walk-in jet tub. Install a new electrical circuit for an outlet and perform minor drywall patching.
Bathroom
Electrical
Jun 19, 2017 • Final
Building - residential re-roof
Tear off two layers of existing roofing and install new composition shingles 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.
Property details
Interior
Room Information
# of Rooms: 5
Exterior
Property Information
Subdivision Name: JANA BONDS 01
Living Sq. Ft: 1,031
Ground Floor Sq. Ft: 1,031
Building Sq. Ft: 1,031
# of Stories: 1
Legal Description: JANA BONDS #1 52
Parking & Garage Information
Garage/Parking Sq. Ft: 256
Lot Information
# of Buildings: 1
Land Sq. Ft: 5,000
Legal Lot Number: 52
Acres: 0.1148
Zoning Code: R-6
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 3
Baths: 1.0
Sq. Ft.: 1,031
Stories: 1.0
Lot Size: 5,000 square feet
Style: Single Family Residential
Year Built: 1953
Year Renovated: 1960
County: Contra Costa County
APN: 4350250033
Home facts updated by county records on Jul 13, 2026
Around this home
Schools
Sheldon Elementary School
Public K-6 • Assigned • 0.5mi
6/10
Betty Reid Soskin Middle
Public 6-8 • Assigned • 1.5mi
2/10
De Anza Senior High School
Public 9-12 • Assigned • 1.0mi
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
0.46% 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
$619,000 – $749,000
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