Google street view image for 1903 Hartnell St, Union City, CA 94587

Off market sep 1997 for $223K

$1,317,859

Est. refi paymentEst. refi $1,357/mo

•

1,544

sq ft

1903 Hartnell St, Union City, CA 94587

About this home

Single-familyProperty Type

1973Year Built

6,466 sq ftLot Size

$854Est. Price/Sq.Ft.

4 car garageParking

Listed by Martin Christiansen • CALIFORNIA HOME REALTY

Bought with Martin Christiansen • CALIFORNIA HOME REALTY

Redfin checked: a few seconds ago

•Source:bridgeMLS, Bay East AOR, or Contra Costa AOR #27598619

Redfin Estimate

$1,317,859

$1.1M since sold in September 1997$13K since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 13.7% lower than the average sale price ($1.53M) of 6 comparable homes.

SOLD SEP 2, 2026
$1,490,000
A
4 beds2 baths1,550 sq ft
2809 Dowe Ave, Union City, CA 94587
SOLD JUN 15, 2026
$1,400,000
B
4 beds2 baths1,544 sq ft
2640 Mallard Ct, Union City, CA 94587
SOLD SEP 18, 2026
$1,920,000
C
4 beds2 baths1,494 sq ft
34843 Warwick Ct, Fremont, CA 94555
SOLD MAR 13, 2026
$1,450,000
D
4 beds2 baths1,544 sq ft
2627 Royal Ann Dr, Union City, CA 94587
SOLD FEB 20, 2026
$1,600,000
E
4 beds2 baths1,544 sq ft
2441 Lambert Pl, Union City, CA 94587
SOLD SEP 11, 2026
$1,300,000
F
3 beds2 baths1,390 sq ft
34704 Locke Ave, Fremont, CA 94555

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Earn from this home

Sell

$1,238,671

Est. take-home

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Refinance

Est. cash available

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Rent

$3,612/mo

Redfin rental estimate

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Market trends in 94587, CA

Last updated September 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

100.1%

0.3% MoM

Median sale price

$1.2M

$43K MoM

Avg. days on market

25d

4 days MoM

Recently sold homes

15 MoM

New listings for sale

3D WALKTHROUGH
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4103 Polaris Ave, Union City, CA 94587
OPEN TODAY, 2:30PM TO 5PM
$1,290,888
5 beds2.5 baths1,932 sq ft
375 Monte Carlo Ave, Union City, CA 94587
OPEN TODAY, 1PM TO 4PM
$1,398,000
3 beds2.5 baths1,683 sq ft
4413 Holt St, Union City, CA 94587
$729,999
3 beds1.5 baths1,255 sq ft
4208 Apollo Cir, Union City, CA 94587
OPEN TODAY, 1:30PM TO 4:30PM
$1,450,000
4 beds2.5 baths1,814 sq ft
4430 Holt St, Union City, CA 94587
$1,199,000
4 beds2.5 baths1,974 sq ft
372 Monaco Ave, Union City, CA 94587
3D WALKTHROUGH
$950,000
3 beds2 baths1,124 sq ft
31261 Fredi St, Union City, CA 94587
$999,000
3 beds2.5 baths1,560 sq ft
4101 Hanford St, Union City, CA 94587
OPEN TODAY, 3PM TO 6PM
$1,475,000
3 beds2 baths1,552 sq ft
32941 Soquel St, Union City, CA 94587
See all

Provided by Redfin

Sale history for 1903 Hartnell St

Year

Property tax

Land + Additions

Assessment*

2025

$5,430 (−8.4%)

$102,601 + $260,576

$363,177

2024

$5,930 (+4.0%)

$100,590 + $255,467

$356,057

2023

$5,704 (+2.1%)

$98,618 + $250,459

$349,077

2022

$5,584 (+2.3%)

$94,789 + $240,734

$335,523

2021

$5,459 (+1.5%)

$94,789 + $240,734

$335,523

2020

$5,380 (−0.7%)

$92,930 + $236,014

$328,944

2019

$5,419 (+2.4%)

$91,978 + $233,595

$325,573

2018

$5,291 (+2.5%)

$90,175 + $229,016

$319,191

2017

$5,164 (+3.7%)

$86,674 + $220,124

$306,798

2016

$4,979 (+2.0%)

$86,674 + $220,124

$306,798

2015

$4,880 (+3.9%)

$84,975 + $215,809

$300,784

2014

$4,698 (+0.8%)

$82,059 + $208,404

$290,463

2013

$4,659 (+4.4%)

$82,059 + $208,404

$290,463

2012

$4,462 (+2.4%)

$81,688 + $207,464

$289,152

2011

$4,359 (+2.4%)

$80,087 + $203,396

$283,483

2010

$4,258

$78,517 + $199,409

$277,926

2009

$4,262 (+2.4%)

$77,931 + $197,920

$275,851

2008

$4,161

$78,116 + $198,390

$276,506

Tax history for 1903 Hartnell St

Year

Property tax

Land + Additions

Assessment*

2025

$5,430 (−8.4%)

$102,601 + $260,576

$363,177

2024

$5,930 (+4.0%)

$100,590 + $255,467

$356,057

2023

$5,704 (+2.1%)

$98,618 + $250,459

$349,077

2022

$5,584 (+2.3%)

$94,789 + $240,734

$335,523

2021

$5,459 (+1.5%)

$94,789 + $240,734

$335,523

2020

$5,380 (−0.7%)

$92,930 + $236,014

$328,944

2019

$5,419 (+2.4%)

$91,978 + $233,595

$325,573

2018

$5,291 (+2.5%)

$90,175 + $229,016

$319,191

2017

$5,164 (+3.7%)

$86,674 + $220,124

$306,798

2016

$4,979 (+2.0%)

$86,674 + $220,124

$306,798

2015

$4,880 (+3.9%)

$84,975 + $215,809

$300,784

2014

$4,698 (+0.8%)

$82,059 + $208,404

$290,463

2013

$4,659 (+4.4%)

$82,059 + $208,404

$290,463

2012

$4,462 (+2.4%)

$81,688 + $207,464

$289,152

2011

$4,359 (+2.4%)

$80,087 + $203,396

$283,483

2010

$4,258

$78,517 + $199,409

$277,926

2009

$4,262 (+2.4%)

$77,931 + $197,920

$275,851

2008

$4,161

$78,116 + $198,390

$276,506

*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
Zoning

Beds

Baths

Stories

Lot width

—

Lot depth

—

Lot size

6,466 Sq. Ft.

Year renovated

1974

Sq. Ft.

1,544

Year built

1973

Style

Single Family Residential

County

Alameda County

APN

486 005406900

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Sep 16, 2026.

RS 6000

Single-Family Residential District

The purpose of this chapter is to define allowable uses and provide property development standards for the RS zoning districts to further the public health, safety and general welfare in a manner consistent with the City’s General Plan.

Permitted uses

Include but are not limited to:

Agriculture
Greenhouse / nursery
Automotive repair garage
Housing-Single unit
Housing-Student
Housing-Mobile home park

Property details

Parking

Parking Information
Has Attached Garage
Garage Spaces: 4
Covered Spaces: 4
Parking Features: Attached, RV/Boat Parking, Side Yard Access, Garage Door Opener

Interior

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

Interior Features
Interior Features: Dining Area, Family Room, Kitchen/Family Combo
Appliances: Dishwasher, Electric Range, Disposal, Range
Laundry Features: 220 Volt Outlet, Hookups Only, In Garage
Street Level Features: 4 Bedrooms, 2 Baths, Main Entry
Window Features: Window Coverings
Fireplaces Total: 2
Has Fireplace
Flooring: Carpet, Wood

Room Information
Kitchen Features: Dishwasher,Electric Range/Cooktop,Garbage Disposal,Range/Oven Built-in
Rooms Total: 7
Fireplace Features: Living Room, Wood Stove Insert

Exterior

Building Information
Construction Materials: Stucco
Building Area Total: 1,544
Builder Name: TOWN/COUNTRY

Exterior Features
Patio And Porch Features: Patio
Exterior Features: Sprinklers Front
Roof: Shingle

Property Information
Living Area: 1544
Living Area Units: Square Feet
Property Type: Residential
Property Sub Type: Single Family Residence
Year Built: 1973

Lot Information
Other Structures: Shed(s)
Lot Size Square Feet: 6466
Lot Size Area: 0.15
Lot Size Units: Acres
Lot Size Acres: 0.15
Zoning: SFR1

Utilities

Utility Information
Water Source: Public
Sewer: Public Sewer

Heating & Cooling
Has Heating
Heating: Forced Air, Natural Gas

Location

School Information
High School District: New Haven (510) 471-1100

Public facts

Beds: 4
Baths: 2.0
Sq. Ft.: 1,544
Stories: 1.0
Lot Size: 6,466 square feet
Style: Single Family Residential
Year Built: 1973
Year Renovated: 1974
County: Alameda County
APN: 486 005406900

Home facts updated by county records on Sep 16, 2026

Around this home

Schools

Searles Elementary School

Public K-5 • Assigned • 0.2mi

5/10

Cesar Chavez Middle School

Public 6-8 • Assigned • 1.1mi

4/10

James Logan High School

Public 9-12 • Assigned • 0.2mi

8/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Local insights from Redfin agents

Union City's fall market offers balanced buyer opportunities. Median prices sit near $1.3M with homes averaging 24 days on market. While turnkey homes move fast with multiple offers, you'll find breathing room to negotiate on older properties. Bring...
2 weeks ago • Union City
Johnny Singh
Redfin Premier agent
148 deals
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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

4/10 Heat Factor

7 days above 90° expected this year, 14 days in 30 years

1/10 Wind Factor

Minimal risk of severe winds over next 30 years

8/10 Air Factor

13 unhealthy days expected this year, 16 days in 30 years

Provided by First Street

Historical weather

Union City, CA • 94587

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 11.2 hours in June and 4.9 hours in December, placing it above the U.S. average for solar exposure.

11.2 hrs

4.9 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$1.25M – $1.52M

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Home values near 1903 Hartnell St

Data from public records.

Address	Redfin Estimate
1957 Hartnell Street, Union City, CA 4 Beds \| 2 Baths \| 1544 Sq. Ft.	$1,196,312
1979 Hartnell Street, Union City, CA 2 Beds \| 2 Baths \| 1392 Sq. Ft.	$1,137,728

Address	Redfin Estimate
1848 Hartnell Street, Union City, CA 3 Beds \| 2 Baths \| 1520 Sq. Ft.	$1,246,619
1892 Hartnell Street, Union City, CA 3 Beds \| 2 Baths \| 1401 Sq. Ft.	$1,241,630

Address	Redfin Estimate
1936 Hartnell Street, Union City, CA 3 Beds \| 2 Baths \| 1401 Sq. Ft.	$1,338,262
1826 Hartnell Street, Union City, CA 3 Beds \| 2 Baths \| 1120 Sq. Ft.	$829,097

Property information provided by bridgeMLS, Bay East AOR, or Contra Costa AOR when last listed in 1997. This data may not match . Learn more.

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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 94587, CA

Sale history for 1903 Hartnell St

Tax history for 1903 Hartnell St

Public record

Property details

Around this home

Schools

Lifestyle

Local insights from Redfin agents

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 94587

Home values near 1903 Hartnell St

More real estate resources