4129 Polaris Ave
Union City, CA 94587
3 bd 1 ba 1,214 sqft Built 1974 Lot 1,725 sqft townhomes
Most recent sale
$460,000
Dec 2, 2016
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Nov 1, 2022 | Listing removed | $779,888 | MLSListings |
| May 19, 2022 | Listed | $779,888 | MLS #ML81892490 |
| Sep 20, 2018 | Listing removed | $459,999 | ContraCosta |
| Dec 2, 2016 | Sold | $460,000 | Public Record |
| May 8, 2013 | Listing removed | $449,000 | ContraCosta |
| May 5, 2010 | Sold | $250,000 | MLS #40453724 |
| Apr 4, 2010 | Relisted | $239,888 | MLS #40453724 |
| Mar 13, 2010 | Listing removed | $239,888 | ContraCosta |
| Mar 3, 2010 | Listing removed | $239,999 | ContraCosta |
| Mar 3, 2010 | Listed | $239,888 | MLS #40453724 |
| Feb 25, 2010 | Relisted | $239,999 | MLS #40443671 |
| Feb 23, 2010 | Listing removed | $239,999 | ContraCosta |
| Jan 24, 2010 | Relisted | $239,999 | MLS #40443671 |
| Jan 20, 2010 | Listing removed | $239,999 | ContraCosta |
| Dec 27, 2009 | Listed | $259,999 | MLS #40443671 |
| Dec 23, 2009 | Sold | $200,000 | MLS #40411010 |
| May 19, 2009 | Listed | $199,000 | MLS #40411010 |
| Dec 15, 2006 | Listing removed | $459,999 | ContraCosta |
| Sep 14, 2006 | Listed | $459,999 | MLS #40209138 |
| Jun 29, 2006 | Listed | $449,000 | MLS #40182602 |
| Dec 24, 2002 | Sold | $268,000 | Public Record |
| Sep 13, 2000 | Sold | $245,000 | Public Record |
| May 10, 2000 | Sold | $164,500 | Public Record |
| Aug 13, 1992 | Sold | $130,000 | Public Record |
| Jun 24, 1987 | Sold | $81,000 | Public Record |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $373,700 | $160,157 | $533,857 | $7,574 |
| 2024 | $373,700 | $160,157 | $533,857 | $7,811 |
| 2023 | $359,191 | $153,939 | $513,130 | $7,553 |
| 2022 | $352,148 | $150,920 | $503,068 | $7,419 |
| 2021 | $345,245 | $147,962 | $493,207 | $7,258 |
| 2020 | $341,706 | $146,445 | $488,151 | $7,110 |
| 2019 | $335,008 | $143,575 | $478,583 | $7,179 |
| 2018 | $328,440 | $140,760 | $469,200 | $7,014 |
| 2017 | $322,000 | $138,000 | $460,000 | $6,848 |
| 2016 | $190,816 | $81,778 | $272,594 | $4,321 |
| 2015 | $187,951 | $80,550 | $268,501 | $4,237 |
| 2014 | $184,271 | $78,973 | $263,244 | $4,085 |
| 2013 | $175,000 | $75,000 | $250,000 | $3,904 |
| 2012 | $149,800 | $64,200 | $214,000 | $3,363 |
| 2010 | $140,000 | $60,000 | $200,000 | $3,192 |
| 2009 | $140,000 | $60,000 | $200,000 | $3,668 |
| 2008 | $207,294 | $88,210 | $295,504 | $4,199 |
| 2007 | $203,229 | $86,480 | $289,709 | $4,039 |
Property facts
Year built
1974
Property type
townhomes
Stories
2
Beds
3
Baths
1
Living area
1,214 sqft
Lot size
1,725 sqft
ZIP code
94587
City
Union City
Street
Polaris Ave
Coordinates
37.58502, -122.06461
Comparable properties nearby
Frequently asked questions
When did 4129 Polaris Ave last sell?
4129 Polaris Ave most recently sold on Dec 2, 2016 for $460,000.
What is the current tax assessment for 4129 Polaris Ave?
The most recent total assessment for 4129 Polaris Ave (year 2025) is $533,857 with $7,574 in property tax.
How does 4129 Polaris Ave's assessment compare to its last sale price?
The current assessment is 16.1% above the last sale price of $460,000.
When was 4129 Polaris Ave built?
4129 Polaris Ave was built in 1974.
How does 4129 Polaris Ave compare to others on Polaris Ave?
We track 6 other properties on Polaris Ave. Browse the list under "Other properties on Polaris Ave" to compare beds, baths, and sale history.
What are the property facts for 4129 Polaris Ave?
4129 Polaris Ave is a 3 bed, 1 bath, 1,214 sqft, 1,725 sqft lot townhomes.
Is 4129 Polaris Ave a flip candidate?
No — 4129 Polaris Ave does not appear in our flips dataset.
Is 4129 Polaris Ave a tax-appeal candidate?
No — 4129 Polaris Ave is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
+0.5%
Implied 1-yr
+1.9%
2026 Q3
$1.17M
2026 Q4
$1.17M
ZIP 94587 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Polaris Ave