4276 Comet Cir
Union City, CA 94587
3 bd 2 ba 1,137 sqft Built 1972 Lot 1,474 sqft condo_townhome_rowhome_coop
No recorded sales
Location
Timeline: Sale, Listing & Tax History
Recorded events
No recorded events
No sale or listing events are on file for this property.
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $390,760 | $167,468 | $558,228 | $7,793 |
| 2024 | $390,760 | $167,468 | $558,228 | $8,020 |
| 2023 | $375,588 | $160,966 | $536,554 | $7,756 |
| 2022 | $368,225 | $157,810 | $526,035 | $7,617 |
| 2021 | $361,006 | $154,717 | $515,723 | $7,450 |
| 2020 | $357,306 | $153,131 | $510,437 | $7,295 |
| 2019 | $350,302 | $150,129 | $500,431 | $7,366 |
| 2018 | $343,434 | $147,186 | $490,620 | $7,194 |
| 2017 | $336,700 | $144,300 | $481,000 | $7,022 |
| 2016 | $100,247 | $43,009 | $143,256 | $2,732 |
| 2015 | $98,741 | $42,363 | $141,104 | $2,675 |
| 2014 | $96,808 | $41,533 | $138,341 | $2,581 |
| 2013 | $96,370 | $41,346 | $137,716 | $2,544 |
| 2012 | $94,481 | $40,535 | $135,016 | $2,419 |
| 2010 | $92,629 | $39,740 | $132,369 | $2,308 |
| 2009 | $91,937 | $39,444 | $131,381 | $2,295 |
| 2008 | $90,349 | $38,762 | $129,111 | $2,229 |
| 2007 | $88,578 | $38,002 | $126,580 | $2,143 |
Property facts
Year built
1972
Property type
condo_townhome_rowhome_coop
Stories
2
Beds
3
Baths
2
Living area
1,137 sqft
Lot size
1,474 sqft
ZIP code
94587
City
Union City
Street
Comet Cir
Coordinates
37.58530, -122.06748
Comparable properties nearby
Frequently asked questions
When did 4276 Comet Cir last sell?
No public-record sale is on file for 4276 Comet Cir.
What is the current tax assessment for 4276 Comet Cir?
The most recent total assessment for 4276 Comet Cir (year 2025) is $558,228 with $7,793 in property tax.
When was 4276 Comet Cir built?
4276 Comet Cir was built in 1972.
How does 4276 Comet Cir compare to others on Comet Cir?
We track 7 other properties on Comet Cir. Browse the list under "Other properties on Comet Cir" to compare beds, baths, and sale history.
What are the property facts for 4276 Comet Cir?
4276 Comet Cir is a 3 bed, 2 bath, 1,137 sqft, 1,474 sqft lot condo_townhome_rowhome_coop.
Is 4276 Comet Cir a flip candidate?
No — 4276 Comet Cir does not appear in our flips dataset.
Is 4276 Comet Cir a tax-appeal candidate?
No — 4276 Comet Cir 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 Comet Cir