OFF MARKET

Off Market Feb 2008 for $442K

$710,213

Est. refi paymentEst. refi $2,924/mo

•

1,301

sq ft

4210 Harmon Rd, El Sobrante, CA 94803

About this home

Single-familyProperty Type

1953Year Built

5,000 sq ftLot Size

$546Est. Price/Sq.Ft.

1 car garageParking

Listed by Laura Arechiga •DRE #01388149 • Coldwell Banker Realty

Bought with Marni Fischer •DRE #01378845 • Red Oak Realty

Redfin checked: a minute ago

•Source:bridgeMLS, Bay East AOR, or Contra Costa AOR #40305734

Redfin Estimate

$710,213

$268K since sold in February 2008$4,000 since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 21.5% higher than the average sale price ($585K) of 6 comparable homes.

SOLD JUN 5, 2026
$502,000
A
3 beds2 baths1,274 sq ft
4363 Wesley Way, El Sobrante, CA 94803
SOLD AUG 28, 2026
$500,000
B
4 beds1.5 baths1,356 sq ft
4140 Garden Rd, El Sobrante, CA 94803
SOLD AUG 10, 2026
$635,000
C
3 beds2 baths1,227 sq ft
4072 Saint James Dr, El Sobrante, CA 94803
SOLD AUG 11, 2026
$550,000
D
3 beds1 bath1,274 sq ft
4355 Wesley Way, El Sobrante, CA 94803
SOLD JUL 9, 2026
$785,000
E
3 beds2 baths1,297 sq ft
3051 Keith Dr, Richmond, CA 94803
SOLD JUN 25, 2026
$535,000
F
4 beds2 baths1,165 sq ft
2929 Alta Mira Dr, Richmond, CA 94806

Claim this home to receive a free report every month with insights on the changing estimate.

Earn from this home

Sell

$487,424

Est. take-home

List your home with Redfin and save $3,551

Refinance

Est. cash available

Get cash now or lower your monthly rate

Rent

$3,155/mo

Redfin rental estimate

List your home for rent

Market trends in 94803, CA

Last updated August 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

102.4%

+0.1% MoM

Median sale price

$783K

$2K MoM

Avg. days on market

17d

1 days MoM

Recently sold homes

8 MoM

New listings for sale

OPEN SAT, 1PM TO 4PM
$960,000
4 beds2.5 baths2,781 sq ft
3 Wildwood Pl, Richmond, CA 94803
$998,000
4 beds3 baths2,436 sq ft
4860 Reno Ln, Richmond, CA 94803
$625,000
2 beds1 bath1,053 sq ft
4080 Lambert, El Sobrante, CA 94803
$995,000
4 beds3 baths2,754 sq ft
5405 Glenwood Ct, El Sobrante, CA 94803
$749,000
3 beds2 baths1,630 sq ft
4087 Mozart Dr, Richmond, CA 94803
COMING SOON
$499,950
4 beds1 bath1,016 sq ft
3948 El Monte Rd, El Sobrante, CA 94806
$345,000
2 beds1 bath1,008 sq ft
3814 Via Verdi, Richmond, CA 94803
COMING SOON
$1,079,000
3 beds3 baths2,221 sq ft
221 Amend Ct, El Sobrante, CA 94803
LISTED BY REDFIN
$1,050,000
4 beds2.5 baths1,936 sq ft
3814 Painted Pony Rd, El Sobrante, CA 94803
$588,000
3 beds1 bath1,022 sq ft
3543 Carlfield St, El Sobrante, CA 94803
See all

Provided by Redfin

Sale history for 4210 Harmon Rd

Year

Property tax

Land + Additions

Assessment*

2025

$8,573 (+2.4%)

$308,143 + $284,025

$592,168

2024

$8,375 (+2.2%)

$302,101 + $278,456

$580,557

2023

$8,196 (+1.4%)

$296,178 + $272,997

$569,175

2022

$8,083 (+0.4%)

$290,371 + $267,645

$558,016

2021

$8,051 (+5.8%)

$284,678 + $262,398

$547,076

2020

$7,608 (+5.8%)

$279,097 + $257,253

$536,350

2019

$7,192 (+5.8%)

$272,150 + $250,850

$523,000

2018

$6,798 (+9.0%)

$254,458 + $234,542

$489,000

2017

$6,235 (+9.4%)

$223,235 + $205,765

$429,000

2016

$5,700 (+10.7%)

$223,235 + $205,765

$429,000

2015

$5,149 (+4.3%)

$200,340 + $184,660

$385,000

2014

$4,935 (+43.7%)

$166,516 + $153,484

$320,000

2013

$3,434 (+12.8%)

$166,516 + $153,484

$320,000

2012

$3,045 (−2.2%)

$109,277 + $100,723

$210,000

2011

$3,112 (−2.7%)

$101,210 + $93,290

$194,500

2010

$3,199 (−5.7%)

$105,113 + $96,887

$202,000

2009

$3,394 (+236.9%)

$113,699 + $104,801

$218,500

2008

$1,007

$123,326 + $113,674

$237,000

Tax history for 4210 Harmon Rd

Year

Property tax

Land + Additions

Assessment*

2025

$8,573 (+2.4%)

$308,143 + $284,025

$592,168

2024

$8,375 (+2.2%)

$302,101 + $278,456

$580,557

2023

$8,196 (+1.4%)

$296,178 + $272,997

$569,175

2022

$8,083 (+0.4%)

$290,371 + $267,645

$558,016

2021

$8,051 (+5.8%)

$284,678 + $262,398

$547,076

2020

$7,608 (+5.8%)

$279,097 + $257,253

$536,350

2019

$7,192 (+5.8%)

$272,150 + $250,850

$523,000

2018

$6,798 (+9.0%)

$254,458 + $234,542

$489,000

2017

$6,235 (+9.4%)

$223,235 + $205,765

$429,000

2016

$5,700 (+10.7%)

$223,235 + $205,765

$429,000

2015

$5,149 (+4.3%)

$200,340 + $184,660

$385,000

2014

$4,935 (+43.7%)

$166,516 + $153,484

$320,000

2013

$3,434 (+12.8%)

$166,516 + $153,484

$320,000

2012

$3,045 (−2.2%)

$109,277 + $100,723

$210,000

2011

$3,112 (−2.7%)

$101,210 + $93,290

$194,500

2010

$3,199 (−5.7%)

$105,113 + $96,887

$202,000

2009

$3,394 (+236.9%)

$113,699 + $104,801

$218,500

2008

$1,007

$123,326 + $113,674

$237,000

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

Public record

Public record
Permits

Beds

Baths

Stories

Lot width

—

Lot depth

—

Lot size

5,000 Sq. Ft.

Year renovated

1956

Sq. Ft.

1,301

Year built

1953

Style

Single Family Residential

County

Contra Costa County

APN

4350250074

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Jul 13, 2026.

Property details

Parking

Parking Information
Has Attached Garage
Garage Spaces: 1
Covered Spaces: 1
Parking Features: Attached, Garage, Workshop in Garage, Enclosed

Interior

Virtual Tour

Bathroom Information
# of Bathrooms Total: 2
# of Bathrooms Full: 2

Interior Features
Interior Features: Family Room, Stone Counters, Updated Kitchen
Appliances: Dishwasher, Gas Range, Free-Standing Range, Refrigerator, Dryer, Washer, Gas Water Heater
Laundry Features: 220 Volt Outlet, Dryer, Gas Dryer Hookup, In Garage, Washer
Street Level Features: 4 Bedrooms, 2 Baths, Main Entry
Fireplaces Total: 1
Has Fireplace
Flooring: Hardwood Flrs Throughout, Laminate

Room Information
Kitchen Features: Counter - Stone,Dishwasher,Gas Range/Cooktop,Range/Oven Free Standing,Refrigerator,Updated Kitchen
Rooms Total: 6
Fireplace Features: Brick, Living Room, Wood Burning
Basement: Crawl Space

Exterior

Building Information
Construction Materials: Stucco, Wood Siding
Building Area Total: 1,301
Builder Name: Lightfilled

Exterior Features
Patio And Porch Features: Deck
Exterior Features: Back Yard, Front Yard, Garden/Play, Sprinklers Automatic, Terraced Back
Roof: Shingle

Mobile Home Information
Model: Mid-Century

Property Information
Living Area: 1301
Living Area Units: Square Feet
Property Type: Residential
Property Sub Type: Single Family Residence
Year Built: 1953

Lot Information
Lot Size Square Feet: 5000
Lot Size Area: 0.11
Lot Size Units: Acres
Lot Size Acres: 0.11
Lot Features: Regular, Sloped Up
Zoning: R-6

Utilities

Utility Information
Water Source: Public
Sewer: Public Sewer

Heating & Cooling
Has Heating
Heating: Zoned, Wall Furnace

Location

School Information
High School District: West Contra Costa (510) -231-1100

Public facts

Beds: 3
Baths: 2.0
Sq. Ft.: 1,301
Stories: 1.0
Lot Size: 5,000 square feet
Style: Single Family Residential
Year Built: 1953
Year Renovated: 1956
County: Contra Costa County
APN: 4350250074

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)

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

$675,000 – $817,000

Reach more buyers when you sell with Redfin. Save up to $7,102 in fees. 3 minutes to get started.

Need the cash from your home fast? Sell to .

Nearby similar homes

OPEN SAT, 1PM TO 4PM

$960,000

4 beds2.5 baths2,781 sq ft

3 Wildwood Pl, Richmond, CA 94803

$689,000

3 beds2 baths1,404 sq ft

9 Marvin Ct, El Sobrante, CA 94803

(415) 213-1600

$525,000

3 beds2 baths1,176 sq ft

534 La Paloma Rd, El Sobrante, CA 94803

$879,900

4 beds3 baths2,425 sq ft

5490 Lenora Rd, Richmond, CA 94803

3D WALKTHROUGH

$679,900

3 beds1.5 baths1,536 sq ft

301 Joan Vista St, El Sobrante, CA 94803

$620,000

4 beds2 baths1,961 sq ft

4380 Jana Vis, El Sobrante, CA 94803

New listings for sale in 94803

OPEN SAT, 1PM TO 4PM

$960,000

4 beds2.5 baths2,781 sq ft

3 Wildwood Pl, Richmond, CA 94803

$998,000

4 beds3 baths2,436 sq ft

4860 Reno Ln, Richmond, CA 94803

$625,000

2 beds1 bath1,053 sq ft

4080 Lambert, El Sobrante, CA 94803

$995,000

4 beds3 baths2,754 sq ft

5405 Glenwood Ct, El Sobrante, CA 94803

$749,000

3 beds2 baths1,630 sq ft

4087 Mozart Dr, Richmond, CA 94803

COMING SOON

$499,950

4 beds1 bath1,016 sq ft

3948 El Monte Rd, El Sobrante, CA 94806

$345,000

2 beds1 bath1,008 sq ft

3814 Via Verdi, Richmond, CA 94803

COMING SOON3D & VIDEO TOUR

$1,079,000

3 beds3 baths2,221 sq ft

221 Amend Ct, El Sobrante, CA 94803

LISTED BY REDFIN3D WALKTHROUGH

$1,050,000

4 beds2.5 baths1,936 sq ft

3814 Painted Pony Rd, El Sobrante, CA 94803

Home values near 4210 Harmon Rd

Data from public records.

Address	Redfin Estimate
4230 Harmon Road, El Sobrante, CA 3 Beds \| 2 Baths \| 1535 Sq. Ft.	$701,602
4300 Harmon Road, El Sobrante, CA 4 Beds \| 2 Baths \| 1837 Sq. Ft.	$706,484

Address	Redfin Estimate
4211 Harmon Road, El Sobrante, CA 3 Beds \| 1 Baths \| 1031 Sq. Ft.	$595,594
4240 Harmon Road, El Sobrante, CA 3 Beds \| 2 Baths \| 1480 Sq. Ft.	$688,989

Address	Redfin Estimate
4231 Harmon Road, El Sobrante, CA 3 Beds \| 2 Baths \| 1140 Sq. Ft.	$571,128
4241 Harmon Road, El Sobrante, CA 3 Beds \| 2 Baths \| 1275 Sq. Ft.	$694,595

Property information provided by bridgeMLS, Bay East AOR, or Contra Costa AOR when last listed in 2007. This data may not match . Learn more.

Download the Redfin App on the Apple App Store

Download the Redfin App from the Google Play Store

Join us

Become an Agent

Get referrals

Careers

Find homes faster

About us

Find us

Subsidiaries

Affiliated Business

Countries

United States

Canada

Updated September 2025: By searching, you agree to the Terms of Use, and Privacy Policy.

Do not sell or share my personal information.

REDFIN and all REDFIN variants, WALK SCORE, and the R logos, are trademarks of Redfin Corporation, registered or pending in the USPTO.

California DRE #01521930

Redfin is licensed to do business in New York as Redfin Real Estate. NY Standard Operating Procedures

New Mexico Real Estate Licenses

TREC: Info About Brokerage Services, Consumer Protection Notice

All mortgage lending products and information are provided by Rocket Mortgage, LLC | NMLS #3030; www.NMLSConsumerAccess.org. Licensed in 50 states. This site is not authorized by the New York State Department of Financial Services for mortgage solicitation or loan applications activities related to properties located in the State of New York.

Redfin Corporation is an affiliated business of Rocket Limited Partnership. Each company, and their subsidiaries, are separate legal entities operated and managed through its own management and governance structures.

If you are using a screen reader, or having trouble reading this website, please call Redfin Customer Support for help at 1-844-759-7732.

REDFIN IS COMMITTED TO AND ABIDES BY THE FAIR HOUSING ACT AND EQUAL OPPORTUNITY ACT. READ REDFIN'S FAIR HOUSING POLICY AND THE NEW YORK STATE FAIR HOUSING NOTICE.

GreatSchools Ratings provided by GreatSchools.org.

Pinole Valley homes for sale
May Valley homes for sale
Bronx homes for sale
Pinole Vista homes for sale
Hilltop District homes for sale

94803 homes for sale
94805 homes for sale
94806 homes for sale
94547 homes for sale
94564 homes for sale

Houses for rent in El Sobrante	Agents near me	Irvine, CA homes for sale	El Sobrante Housing Market
Houses for sale near me	San Diego, CA homes for sale	Fremont, CA homes for sale
Land for sale near me	San Francisco, CA homes for sale	Pasadena, CA homes for sale
Open Houses near me	Los Angeles, CA homes for sale	El Sobrante Property Records
Condos for sale near me	San Jose, CA homes for sale	CA New Listings

Oakland homes for sale
Berkeley homes for sale
San Francisco homes for sale

About this home

Redfin Estimate

Earn from this home

Market trends in 94803, CA

Sale history for 4210 Harmon Rd

Tax history for 4210 Harmon Rd

Public record

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 4210 Harmon Rd

More real estate resources