3278 Santa Rosa Ct is a 1,556 square foot house on a 6,500 square foot lot with 4 bedrooms and 2 bathrooms. Based on Redfin's Union City data, we estimate the home's value is $1,204,211.
Single-familyProperty Type
1972Year Built
6,500 sq ftLot Size
$774Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,204,211
$3,000 since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 10.5% lower than the average sale price ($1.35M) of 6 comparable homes.
As the MLS and public records start to fill up, we'll list the details here.
Year
Property tax
Land + Additions
Assessment*
2025
$3,757 (−13.1%)
$92,743 + $142,381
$235,124
2024
$4,322 (+4.7%)
$90,925 + $139,589
$230,514
2023
$4,130 (+2.6%)
$89,142 + $136,852
$225,994
2022
$4,027 (+2.3%)
$85,681 + $131,539
$217,220
2021
$3,935 (+1.0%)
$85,681 + $131,539
$217,220
2020
$3,898 (−0.5%)
$84,001 + $128,960
$212,961
2019
$3,915 (+2.5%)
$83,140 + $127,638
$210,778
2018
$3,818 (+2.5%)
$81,510 + $125,136
$206,646
2017
$3,723 (+3.7%)
$78,346 + $120,277
$198,623
2016
$3,590 (+2.2%)
$78,346 + $120,277
$198,623
2015
$3,514 (+3.9%)
$76,809 + $117,919
$194,728
2014
$3,381 (+1.2%)
$74,174 + $113,873
$188,047
2013
$3,340 (+4.9%)
$74,174 + $113,873
$188,047
2012
$3,184 (+2.3%)
$73,839 + $113,359
$187,198
2011
$3,111 (+2.4%)
$72,392 + $111,137
$183,529
2010
$3,039 (+0.4%)
$70,972 + $108,958
$179,930
2009
$3,029 (+2.8%)
$70,442 + $108,144
$178,586
2008
$2,947
$70,609 + $108,401
$179,010
Tax history for 3278 Santa Rosa Ct
Year
Property tax
Land + Additions
Assessment*
2025
$3,757 (−13.1%)
$92,743 + $142,381
$235,124
2024
$4,322 (+4.7%)
$90,925 + $139,589
$230,514
2023
$4,130 (+2.6%)
$89,142 + $136,852
$225,994
2022
$4,027 (+2.3%)
$85,681 + $131,539
$217,220
2021
$3,935 (+1.0%)
$85,681 + $131,539
$217,220
2020
$3,898 (−0.5%)
$84,001 + $128,960
$212,961
2019
$3,915 (+2.5%)
$83,140 + $127,638
$210,778
2018
$3,818 (+2.5%)
$81,510 + $125,136
$206,646
2017
$3,723 (+3.7%)
$78,346 + $120,277
$198,623
2016
$3,590 (+2.2%)
$78,346 + $120,277
$198,623
2015
$3,514 (+3.9%)
$76,809 + $117,919
$194,728
2014
$3,381 (+1.2%)
$74,174 + $113,873
$188,047
2013
$3,340 (+4.9%)
$74,174 + $113,873
$188,047
2012
$3,184 (+2.3%)
$73,839 + $113,359
$187,198
2011
$3,111 (+2.4%)
$72,392 + $111,137
$183,529
2010
$3,039 (+0.4%)
$70,972 + $108,958
$179,930
2009
$3,029 (+2.8%)
$70,442 + $108,144
$178,586
2008
$2,947
$70,609 + $108,401
$179,010
*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: 8
Exterior
Exterior Information
Building Style Type: L-Shape
Construction Type: Wood
Building Construction Quality: Average
Property Information
Living Sq. Ft: 1,556
Building Sq. Ft: 1,556
# of Units: 1
# of Stories: 1
Lot Information
# of Buildings: 1
Land Sq. Ft: 6,500
Legal Lot Number: 16
Municipality Name: UNION CITY INCORP
Acres: 0.1492
County Use Description: SINGLE FAMILY RESIDENTIAL HOME
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 2.0
Sq. Ft.: 1,556
Stories: 1.0
Lot Size: 6,500 square feet
Style: Single Family Residential
Year Built: 1972
Year Renovated: 1973
County: Alameda County
APN: 483 004811800
Home facts updated by county records on Sep 16, 2026
Around this home
Schools
Alvarado Elementary School
Public K-5 • Assigned • 0.5mi
7/10
Itliong-Vera Cruz Middle School
Public 6-8 • Assigned • 0.5mi
6/10
James Logan High School
Public 9-12 • Assigned • 2.2mi
8/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Local insights from Redfin agents
Union City’s housing market remains competitive, with median sale prices around $1.2 million. Buyers may find negotiating opportunities as inventory grows, while sellers should price strategically and present their homes well to attract strong offers
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...