1804 Hartnell St is a 1,120 square foot house on a 6,300 square foot lot with 3 bedrooms and 2 bathrooms. - it last sold on June 27, 1990 for $165,000. Based on Redfin's Union City data, we estimate the home's value is $987,460.
Single-familyProperty Type
1960Year Built
6,300 sq ftLot Size
$882Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$987,460
$822K since sold in June 1990$9,000 since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 13.9% lower than the average sale price ($1.15M) of 6 comparable homes.
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning
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
Interior
Room Information
# of Rooms: 5
Exterior
Exterior Information
Building Style Type: Rectangular Design
Construction Type: Wood
Building Construction Quality: Average
Property Information
Living Sq. Ft: 1,120
Building Sq. Ft: 1,120
# of Units: 1
# of Stories: 1
Legal Description: TRACT 2137 BLK C LOT 12
Parking & Garage Information
Parking Type: Carport
Garage / Carport Type: Carport
Lot Information
# of Buildings: 1
Land Sq. Ft: 6,300
Legal Lot Number: 12
Legal Block Number: C
Municipality Name: UNION CITY INCORP
Acres: 0.1446
County Use Description: SINGLE FAMILY RESIDENTIAL HOME
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 3
Baths: 2.0
Sq. Ft.: 1,120
Stories: 1.0
Lot Size: 6,300 square feet
Style: Single Family Residential
Year Built: 1960
Year Renovated: 1961
County: Alameda County
APN: 486 005705700
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...