Google street view image for 4220 Harmon Rd, El Sobrante, CA 94803

Off market dec 1975 for $38K

$615,765

Est. refi paymentEst. refi $260/mo

•

1 ba

•

1,031

sq ft

4220 Harmon Rd, El Sobrante, CA 94803

About this home

4220 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 December 01, 1975 for $38,000. Based on Redfin's El Sobrante data, we estimate the home's value is $615,765.

Single-familyProperty Type

1953Year Built

5,000 sq ftLot Size

$597Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$615,765

$578K since sold in December 1975$8,000 since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 14.2% higher than the average sale price ($539K) of 6 comparable homes.

SOLD JUL 28, 2026
$525,000
A
3 beds1 bath1,009 sq ft
4521 Canyon Rd, El Sobrante, CA 94803
SOLD AUG 11, 2026
$550,000
B
3 beds1 bath1,274 sq ft
4355 Wesley Way, El Sobrante, CA 94803
SOLD DEC 15, 2025
$500,000
C
3 beds1 bath1,022 sq ft
4370 Wesley Way, El Sobrante, CA 94803
SOLD JUN 5, 2026
$502,000
D
3 beds2 baths1,274 sq ft
4363 Wesley Way, El Sobrante, CA 94803
SOLD APR 21, 2026
$522,000
E
3 beds1 bath1,023 sq ft
3117 Wilart Dr, San Pablo, CA 94806
HomeSmart PV and Associates
SOLD AUG 10, 2026
$635,000
F
3 beds2 baths1,227 sq ft
4072 Saint James Dr, El Sobrante, CA 94803

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Earn from this home

Sell

$582,868

Est. take-home

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Refinance

Est. cash available

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Rent

$2,803/mo

Redfin rental estimate

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Market trends in 94803, CA

Last updated September 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

101.9%

0.4% MoM

Median sale price

$780K

$4K MoM

Avg. days on market

22d

5 days MoM

Recently sold homes

5 MoM

New listings for sale

OPEN SAT, 2PM TO 4:30PM
4708 San Pablo Dam Rd, El Sobrante, CA 94803
$499,000
3 beds1.5 baths1,008 sq ft
4708 San Pablo Dam Rd, El Sobrante, CA 94803
$849,000
3 beds2.5 baths2,142 sq ft
866 Bridgeway Cir, El Sobrante, CA 94803
$789,000
3 beds2 baths1,552 sq ft
4475 Wesley, El Sobrante, CA 94803
$550,000
3 beds1.5 baths1,008 sq ft
4710 San Pablo Dam Rd, El Sobrante, CA 94803
(415) 609-3191
$1,009,000
4 beds3 baths2,436 sq ft
5378 Conestoga Way, Richmond, CA 94803
$899,950
4 beds2 baths2,209 sq ft
4334 Santa Rita Rd, El Sobrante, CA 94803
$399,000
2 beds1 bath700 sq ft
3991 La Cresenta Rd, El Sobrante, CA 94803
$2,400,000
— beds— baths6,600 sq ft
458 Valley View Rd, El Sobrante, CA 94803
See all

Provided by Redfin

Sale history for 4220 Harmon Rd

Year

Property tax

Land + Additions

Assessment*

2025

$2,579 (+2.3%)

$43,624 + $74,001

$117,625

2024

$2,520 (+2.8%)

$42,769 + $72,550

$115,319

2023

$2,452 (+2.3%)

$41,931 + $71,128

$113,059

2022

$2,398 (+1.6%)

$41,109 + $69,734

$110,843

2021

$2,360 (+4.1%)

$40,303 + $68,367

$108,670

2020

$2,267 (+1.0%)

$39,513 + $67,027

$106,540

2019

$2,244 (+5.0%)

$39,108 + $66,340

$105,448

2018

$2,137 (+3.9%)

$38,342 + $65,040

$103,382

2017

$2,057 (+3.4%)

$36,854 + $62,515

$99,369

2016

$1,989 (+2.2%)

$36,854 + $62,515

$99,369

2015

$1,947 (+0.6%)

$36,132 + $61,290

$97,422

2014

$1,936 (+2.4%)

$34,893 + $59,188

$94,081

2013

$1,890 (+7.5%)

$34,893 + $59,188

$94,081

2012

$1,758 (+4.4%)

$34,736 + $58,921

$93,657

2011

$1,684 (+4.3%)

$34,055 + $57,766

$91,821

2010

$1,615 (+1.7%)

$33,388 + $56,634

$90,022

2009

$1,587 (+10.9%)

$33,139 + $56,211

$89,350

2008

$1,431

$33,218 + $56,345

$89,563

Tax history for 4220 Harmon Rd

Year

Property tax

Land + Additions

Assessment*

2025

$2,579 (+2.3%)

$43,624 + $74,001

$117,625

2024

$2,520 (+2.8%)

$42,769 + $72,550

$115,319

2023

$2,452 (+2.3%)

$41,931 + $71,128

$113,059

2022

$2,398 (+1.6%)

$41,109 + $69,734

$110,843

2021

$2,360 (+4.1%)

$40,303 + $68,367

$108,670

2020

$2,267 (+1.0%)

$39,513 + $67,027

$106,540

2019

$2,244 (+5.0%)

$39,108 + $66,340

$105,448

2018

$2,137 (+3.9%)

$38,342 + $65,040

$103,382

2017

$2,057 (+3.4%)

$36,854 + $62,515

$99,369

2016

$1,989 (+2.2%)

$36,854 + $62,515

$99,369

2015

$1,947 (+0.6%)

$36,132 + $61,290

$97,422

2014

$1,936 (+2.4%)

$34,893 + $59,188

$94,081

2013

$1,890 (+7.5%)

$34,893 + $59,188

$94,081

2012

$1,758 (+4.4%)

$34,736 + $58,921

$93,657

2011

$1,684 (+4.3%)

$34,055 + $57,766

$91,821

2010

$1,615 (+1.7%)

$33,388 + $56,634

$90,022

2009

$1,587 (+10.9%)

$33,139 + $56,211

$89,350

2008

$1,431

$33,218 + $56,345

$89,563

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Permits

Nov 24, 2025 • Active

Building - residential solar photovoltaic

Install a roof-mounted solar system and a Tesla Powerwall battery on a residential building.

Battery

Electrical

Solar

Feb 24, 2023 • Final

Building/residential/al/alteration

Remodel a bathroom by removing an existing fiberglass unit and converting the drain size. Remove and replace the valve, and install a new waterproof acrylic shower pan with solid surface walls.

Bathroom

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

Heating & Cooling
Heating Type: Forced Air

Fireplace Information
# of Fireplaces: 1
Has Fireplace

Room Information
# of Rooms: 5

Exterior

Exterior Information
Physical Condition: Good
Building Style Type: Bungalow
Construction Type: Frame
Building Construction Quality: Average
Exterior Wall: Wood Siding

View Information
View: Good

Property Information
Subdivision Name: JANA BONDS 01
Living Sq. Ft: 1,031
Ground Floor Sq. Ft: 1,031
Building Sq. Ft: 1,287
# of Stories: 1
Legal Description: JANA BONDS #1 LOT 55

Parking & Garage Information
# of Parking Spaces: 1
Parking Type: Attached Garage
Garage/Parking Sq. Ft: 256
Garage / Carport Type: Attached

Lot Information
# of Buildings: 1
Land Sq. Ft: 5,000
Legal Lot Number: 55
Acres: 0.1148
Depth Footage: 100
Front Footage: 54
Zoning Code: R-6
County Use Description: SINGLE FAMILY

Utility Information
Sewer Type: Public
Water Service Type: Public

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: 4350250066

Home facts updated by county records on Oct 10, 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)

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

$585,000 – $709,000

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Nearby similar homes

$679,900

3 beds2 baths1,471 sq ft

3730 Ramsey Ct, El Sobrante, CA 94803

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3 beds2 baths1,176 sq ft

534 La Paloma Rd, El Sobrante, CA 94803

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694 Renfrew Rd, El Sobrante, CA 94803

$789,000

3 beds2 baths1,552 sq ft

4475 Wesley, El Sobrante, CA 94803

New listings for sale in 94803

OPEN SAT, 2PM TO 4:30PM

$499,000

3 beds1.5 baths1,008 sq ft

4708 San Pablo Dam Rd, El Sobrante, CA 94803

$849,000

3 beds2.5 baths2,142 sq ft

866 Bridgeway Cir, El Sobrante, CA 94803

$789,000

3 beds2 baths1,552 sq ft

4475 Wesley, El Sobrante, CA 94803

$550,000

3 beds1.5 baths1,008 sq ft

4710 San Pablo Dam Rd, El Sobrante, CA 94803

(415) 609-3191

$1,009,000

4 beds3 baths2,436 sq ft

5378 Conestoga Way, Richmond, CA 94803

$899,950

4 beds2 baths2,209 sq ft

4334 Santa Rita Rd, El Sobrante, CA 94803

$399,000

2 beds1 bath700 sq ft

3991 La Cresenta Rd, El Sobrante, CA 94803

$2,400,000

— beds— baths6,600 sq ft

458 Valley View Rd, El Sobrante, CA 94803

Home values near 4220 Harmon Rd

Data from public records.

Address	Redfin Estimate
4230 Harmon Road, El Sobrante, CA 3 Beds \| 2 Baths \| 1535 Sq. Ft.	$701,353
4300 Harmon Road, El Sobrante, CA 4 Beds \| 2 Baths \| 1837 Sq. Ft.	$702,079

Address	Redfin Estimate
4211 Harmon Road, El Sobrante, CA 3 Beds \| 1 Baths \| 1031 Sq. Ft.	$607,061
4240 Harmon Road, El Sobrante, CA 3 Beds \| 2 Baths \| 1480 Sq. Ft.	$692,634

Address	Redfin Estimate
4231 Harmon Road, El Sobrante, CA 3 Beds \| 2 Baths \| 1140 Sq. Ft.	$557,602
4241 Harmon Road, El Sobrante, CA 3 Beds \| 2 Baths \| 1275 Sq. Ft.	$689,184

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GreatSchools Ratings provided by GreatSchools.org.

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About this home

Redfin Estimate

Earn from this home

Market trends in 94803, CA

Sale history for 4220 Harmon Rd

Tax history for 4220 Harmon Rd

Permits

Property details

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 94803

Home values near 4220 Harmon Rd

More real estate resources