520 Whipple Rd is a 962 square foot house on a 4,800 square foot lot with 2 bedrooms and 1 bathroom. Based on Redfin's Union City data, we estimate the home's value is $726,605.
Single-familyProperty Type
1950Year Built
4,800 sq ftLot Size
$755Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$726,605
$1,000 since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 8.6% lower than the average sale price ($795K) 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
$1,484 (−30.7%)
$14,504 + $29,759
$44,263
2024
$2,142 (+7.1%)
$14,220 + $29,176
$43,396
2023
$2,000 (+3.9%)
$13,941 + $28,604
$42,545
2022
$1,924 (+2.3%)
$13,400 + $27,493
$40,893
2021
$1,880 (−0.2%)
$13,400 + $27,493
$40,893
2020
$1,884 (+0.4%)
$13,137 + $26,954
$40,091
2019
$1,877 (+2.8%)
$13,002 + $26,678
$39,680
2018
$1,826 (+2.6%)
$12,747 + $26,155
$38,902
2017
$1,779 (+3.5%)
$12,252 + $25,139
$37,391
2016
$1,719 (+2.6%)
$12,252 + $25,139
$37,391
2015
$1,676 (+3.9%)
$12,012 + $24,646
$36,658
2014
$1,613 (+2.6%)
$11,600 + $23,801
$35,401
2013
$1,572 (+6.7%)
$11,600 + $23,801
$35,401
2012
$1,473 (+2.0%)
$11,548 + $23,693
$35,241
2011
$1,445 (+2.2%)
$11,321 + $23,229
$34,550
2010
$1,413 (+2.2%)
$11,099 + $22,773
$33,872
2009
$1,383 (+3.7%)
$11,016 + $22,603
$33,619
2008
$1,333
$11,043 + $22,657
$33,700
Tax history for 520 Whipple Rd
Year
Property tax
Land + Additions
Assessment*
2025
$1,484 (−30.7%)
$14,504 + $29,759
$44,263
2024
$2,142 (+7.1%)
$14,220 + $29,176
$43,396
2023
$2,000 (+3.9%)
$13,941 + $28,604
$42,545
2022
$1,924 (+2.3%)
$13,400 + $27,493
$40,893
2021
$1,880 (−0.2%)
$13,400 + $27,493
$40,893
2020
$1,884 (+0.4%)
$13,137 + $26,954
$40,091
2019
$1,877 (+2.8%)
$13,002 + $26,678
$39,680
2018
$1,826 (+2.6%)
$12,747 + $26,155
$38,902
2017
$1,779 (+3.5%)
$12,252 + $25,139
$37,391
2016
$1,719 (+2.6%)
$12,252 + $25,139
$37,391
2015
$1,676 (+3.9%)
$12,012 + $24,646
$36,658
2014
$1,613 (+2.6%)
$11,600 + $23,801
$35,401
2013
$1,572 (+6.7%)
$11,600 + $23,801
$35,401
2012
$1,473 (+2.0%)
$11,548 + $23,693
$35,241
2011
$1,445 (+2.2%)
$11,321 + $23,229
$34,550
2010
$1,413 (+2.2%)
$11,099 + $22,773
$33,872
2009
$1,383 (+3.7%)
$11,016 + $22,603
$33,619
2008
$1,333
$11,043 + $22,657
$33,700
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning
R 5000
R-5000 District
The purpose of this chapter is to provide within the R-5000 zoning district an alternative to certain portions of Ordinance 55-64 to further the public health, safety and general welfare, and to provide the economic and social advantages resulting from the planned use and development of this unique area of the City. This chapter encourages the consolidation of small, substandard lots into reasonable building sites, permitting single-family dwellings in low silhouette with maximum open space in compensation for such consolidation.
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: 4
Exterior
Exterior Information
Building Style Type: Rectangular Design
Construction Type: Wood
Building Construction Quality: Average
Property Information
Subdivision Name: DECOTO
Living Sq. Ft: 962
Building Sq. Ft: 962
# of Units: 1
# of Stories: 1
Legal Description: MAP F4 732
Lot Information
# of Buildings: 1
Land Sq. Ft: 4,800
Legal Lot Number: 1,2
Legal Block Number: 5
Municipality Name: UNION CITY INCORP
Acres: 0.1102
County Use Description: SINGLE FAMILY RESIDENTIAL HOME
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 2
Baths: 1.0
Sq. Ft.: 962
Stories: 1.0
Lot Size: 4,800 square feet
Style: Single Family Residential
Year Built: 1950
Year Renovated: 1950
County: Alameda County
APN: 486 001501500
Home facts updated by county records on Sep 16, 2026
Around this home
Schools
Hillview Crest Elementary School
Public K-5 • Assigned • 0.8mi
6/10
Cesar Chavez Middle School
Public 6-8 • Assigned • 1.6mi
4/10
James Logan High School
Public 9-12 • Assigned • 1.1mi
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...