509 Whipple Rd is a 1,438 square foot house on a 0.25 acre lot with 1 bedroom and 1 bathroom. Based on Redfin's Union City data, we estimate the home's value is $762,392.
Single-familyProperty Type
1947Year Built
0.25 acresLot Size
$530Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$762,392
$16K since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 20.8% lower than the average sale price ($962K) 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
$1,663 (−28.1%)
$22,257 + $36,511
$58,768
2024
$2,314 (+6.7%)
$21,820 + $35,796
$57,616
2023
$2,168 (+3.7%)
$21,393 + $35,094
$56,487
2022
$2,090 (+2.3%)
$20,562 + $33,731
$54,293
2021
$2,043 (−1.9%)
$20,562 + $33,731
$54,293
2020
$2,083 (+0.3%)
$20,159 + $33,070
$53,229
2019
$2,077 (+2.7%)
$19,952 + $32,731
$52,683
2018
$2,023 (+2.6%)
$19,561 + $32,089
$51,650
2017
$1,971 (+3.5%)
$18,801 + $30,843
$49,644
2016
$1,905 (+2.5%)
$18,801 + $30,843
$49,644
2015
$1,858 (+3.9%)
$18,433 + $30,238
$48,671
2014
$1,789 (+2.4%)
$17,800 + $29,201
$47,001
2013
$1,748 (+6.3%)
$17,800 + $29,201
$47,001
2012
$1,644 (+2.0%)
$17,720 + $29,069
$46,789
2011
$1,611 (+2.2%)
$17,372 + $28,499
$45,871
2010
$1,576 (+1.9%)
$17,032 + $27,940
$44,972
2009
$1,546 (+3.8%)
$16,905 + $27,731
$44,636
2008
$1,489
$16,945 + $27,797
$44,742
Tax history for 509 Whipple Rd
Year
Property tax
Land + Additions
Assessment*
2025
$1,663 (−28.1%)
$22,257 + $36,511
$58,768
2024
$2,314 (+6.7%)
$21,820 + $35,796
$57,616
2023
$2,168 (+3.7%)
$21,393 + $35,094
$56,487
2022
$2,090 (+2.3%)
$20,562 + $33,731
$54,293
2021
$2,043 (−1.9%)
$20,562 + $33,731
$54,293
2020
$2,083 (+0.3%)
$20,159 + $33,070
$53,229
2019
$2,077 (+2.7%)
$19,952 + $32,731
$52,683
2018
$2,023 (+2.6%)
$19,561 + $32,089
$51,650
2017
$1,971 (+3.5%)
$18,801 + $30,843
$49,644
2016
$1,905 (+2.5%)
$18,801 + $30,843
$49,644
2015
$1,858 (+3.9%)
$18,433 + $30,238
$48,671
2014
$1,789 (+2.4%)
$17,800 + $29,201
$47,001
2013
$1,748 (+6.3%)
$17,800 + $29,201
$47,001
2012
$1,644 (+2.0%)
$17,720 + $29,069
$46,789
2011
$1,611 (+2.2%)
$17,372 + $28,499
$45,871
2010
$1,576 (+1.9%)
$17,032 + $27,940
$44,972
2009
$1,546 (+3.8%)
$16,905 + $27,731
$44,636
2008
$1,489
$16,945 + $27,797
$44,742
*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: 1,438
Building Sq. Ft: 1,438
# of Units: 1
# of Stories: 1
Parking & Garage Information
Parking Type: Carport
Garage / Carport Type: Carport
Lot Information
# of Buildings: 1
Land Sq. Ft: 10,900
Municipality Name: UNION CITY INCORP
Acres: 0.2502
County Use Description: SINGLE FAMILY RESIDENTIAL HOME
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 1
Baths: 1.0
Sq. Ft.: 1,438
Stories: 1.0
Lot Size: 0.25 acres
Style: Single Family Residential
Year Built: 1947
Year Renovated: 1947
County: Alameda County
APN: 087 009206602
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 • 1.6mi
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...