4378 Planet Cir
Union City, CA 94587
4 bd 2 ba 1,342 sqft Built 1971 Lot 1,449 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 | $464,605 | $199,116 | $663,721 | $9,213 |
| 2024 | $464,605 | $199,116 | $663,721 | $9,384 |
| 2023 | $446,567 | $191,385 | $637,952 | $9,092 |
| 2022 | $437,812 | $187,633 | $625,445 | $8,939 |
| 2021 | $429,228 | $183,954 | $613,182 | $8,744 |
| 2020 | $424,830 | $182,070 | $606,900 | $8,555 |
| 2019 | $189,161 | $81,069 | $270,230 | $4,558 |
| 2018 | $185,453 | $79,480 | $264,933 | $4,450 |
| 2017 | $181,818 | $77,922 | $259,740 | $4,343 |
| 2016 | $178,253 | $76,394 | $254,647 | $4,186 |
| 2015 | $175,576 | $75,247 | $250,823 | $4,106 |
| 2014 | $172,137 | $73,773 | $245,910 | $3,960 |
| 2013 | $171,360 | $73,440 | $244,800 | $3,925 |
| 2012 | $154,000 | $66,000 | $220,000 | $3,518 |
| 2010 | $182,000 | $78,000 | $260,000 | $3,987 |
| 2009 | $192,500 | $82,500 | $275,000 | $3,845 |
| 2008 | $280,000 | $120,000 | $400,000 | $5,435 |
| 2007 | $343,434 | $147,186 | $490,620 | $6,374 |
Property facts
Year built
1971
Property type
condo_townhome_rowhome_coop
Stories
2
Beds
4
Baths
2
Living area
1,342 sqft
Lot size
1,449 sqft
ZIP code
94587
City
Union City
Street
Planet Cir
Coordinates
37.58485, -122.07119
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 4378 Planet Cir last sell?
No public-record sale is on file for 4378 Planet Cir.
What is the current tax assessment for 4378 Planet Cir?
The most recent total assessment for 4378 Planet Cir (year 2025) is $663,721 with $9,213 in property tax.
When was 4378 Planet Cir built?
4378 Planet Cir was built in 1971.
How does 4378 Planet Cir compare to others on Planet Cir?
We track 8 other properties on Planet Cir. Browse the list under "Other properties on Planet Cir" to compare beds, baths, and sale history.
What are the property facts for 4378 Planet Cir?
4378 Planet Cir is a 4 bed, 2 bath, 1,342 sqft, 1,449 sqft lot condo_townhome_rowhome_coop.
Is 4378 Planet Cir a flip candidate?
No — 4378 Planet Cir does not appear in our flips dataset.
Is 4378 Planet Cir a tax-appeal candidate?
No — 4378 Planet 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 Planet Cir