503 Whipple Rd is a 762 square foot house on a 0.26 acre lot with 2 bedrooms and 1 bathroom. Based on Redfin's Union City data, we estimate the home's value is $795,338.
Single-familyProperty Type
1947Year Built
0.26 acresLot Size
$1,044Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$795,338
$56K since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 9.2% lower than the average sale price ($876K) 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
$1,465 (−31.7%)
$16,755 + $22,507
$39,262
2024
$2,145 (+7.2%)
$16,426 + $22,066
$38,492
2023
$2,001 (+7.2%)
$16,104 + $21,633
$37,737
2022
$1,867 (+2.3%)
$15,479 + $20,793
$36,272
2021
$1,824 (−2.5%)
$15,479 + $20,793
$36,272
2020
$1,870 (+0.4%)
$15,176 + $20,385
$35,561
2019
$1,862 (+2.8%)
$15,020 + $20,176
$35,196
2018
$1,812 (+2.6%)
$14,726 + $19,781
$34,507
2017
$1,765 (+3.5%)
$14,154 + $19,013
$33,167
2016
$1,706 (+2.6%)
$14,154 + $19,013
$33,167
2015
$1,663 (+3.9%)
$13,876 + $18,640
$32,516
2014
$1,601 (+2.7%)
$13,400 + $18,000
$31,400
2013
$1,560 (+6.7%)
$13,400 + $18,000
$31,400
2012
$1,462 (+2.0%)
$13,340 + $17,919
$31,259
2011
$1,434 (+2.2%)
$13,078 + $17,568
$30,646
2010
$1,403 (+2.3%)
$12,822 + $17,223
$30,045
2009
$1,371 (+4.1%)
$12,726 + $17,095
$29,821
2008
$1,317
$12,756 + $17,135
$29,891
Tax history for 503 Whipple Rd
Year
Property tax
Land + Additions
Assessment*
2025
$1,465 (−31.7%)
$16,755 + $22,507
$39,262
2024
$2,145 (+7.2%)
$16,426 + $22,066
$38,492
2023
$2,001 (+7.2%)
$16,104 + $21,633
$37,737
2022
$1,867 (+2.3%)
$15,479 + $20,793
$36,272
2021
$1,824 (−2.5%)
$15,479 + $20,793
$36,272
2020
$1,870 (+0.4%)
$15,176 + $20,385
$35,561
2019
$1,862 (+2.8%)
$15,020 + $20,176
$35,196
2018
$1,812 (+2.6%)
$14,726 + $19,781
$34,507
2017
$1,765 (+3.5%)
$14,154 + $19,013
$33,167
2016
$1,706 (+2.6%)
$14,154 + $19,013
$33,167
2015
$1,663 (+3.9%)
$13,876 + $18,640
$32,516
2014
$1,601 (+2.7%)
$13,400 + $18,000
$31,400
2013
$1,560 (+6.7%)
$13,400 + $18,000
$31,400
2012
$1,462 (+2.0%)
$13,340 + $17,919
$31,259
2011
$1,434 (+2.2%)
$13,078 + $17,568
$30,646
2010
$1,403 (+2.3%)
$12,822 + $17,223
$30,045
2009
$1,371 (+4.1%)
$12,726 + $17,095
$29,821
2008
$1,317
$12,756 + $17,135
$29,891
*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: 4
Exterior
Exterior Information
Building Style Type: L-Shape
Construction Type: Wood
Building Construction Quality: Average
Property Information
Living Sq. Ft: 762
Building Sq. Ft: 762
# of Units: 1
# of Stories: 1
Parking & Garage Information
Parking Type: Carport
Garage / Carport Type: Carport
Lot Information
# of Buildings: 1
Land Sq. Ft: 11,300
Municipality Name: UNION CITY INCORP
Acres: 0.2594
County Use Description: SINGLE FAMILY RESIDENTIAL HOME
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 2
Baths: 1.0
Sq. Ft.: 762
Stories: 1.0
Lot Size: 0.26 acres
Style: Single Family Residential
Year Built: 1947
Year Renovated: 1947
County: Alameda County
APN: 087 009206502
Home facts updated by county records on Sep 17, 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 • 1.7mi
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...