Alameda County  »  4252 Comet Cir

4252 Comet Circle, Union City, CA 94587 Property Information

4252 Comet Circle, Union City, CA 94587 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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4252 Comet Circle, Union City, CA 94587
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Address

Primary address 4252 Comet Circle, Union City
Zip code 94587
County Alameda
Parcel ID 483-102-98

Sales & Tax Overview for 4252 Comet Circle, Union City

View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.

Sale date 10/15/2018
Sale price $680,000
Arm's length
Property tax $9,574

Lot & Building Information for 4252 Comet Circle, Union City

Building sqft 1,342
Building class Townhouse - Planned Development (1500)
Acreage 0.03
Units 1
Year built 1970
Stories 2
Bedrooms 4
Bathrooms 2
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Zoning, Use & Area Overview

Walk Score
Transit Score
Bike Score


Zoning district Muliti-Family Residential (RM 2500)
School district New Haven SCH

View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab.

Other Property Data for 4252 Comet Circle, Union City

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  • • Improvements for 4252 Comet Circle, Union City , including their type, square footage, grade and when they were built.
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About 4252 Comet Circle, Union City

What is the year built & the total sq. ft. for 4252 Comet Circle, Union City, CA 94587?

4252 Comet Circle, Union City, CA 94587 was built in 1970 and has a total of 1,342 square feet.

What is the assessed value of 4252 Comet Circle, Union City, CA 94587 and the property tax paid?

Assessed at $758,540, the tax amount paid for 4252 Comet Circle, Union City, CA 94587 is $9,573.

When was 4252 Comet Circle, Union City, CA 94587 last sold and what was the last sale price?

4252 Comet Circle, Union City, CA 94587 was last sold in 10/15/2018 for $680,000.

Ownership Information

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Real Estate Reports:
Laura Pop-Badiu, May 07, 2026 Locked-In Owners, Mobile Renters: Homeowners Stay Put as Renters Move 3.7x More Across Largest U.S. Cities 
Renters became the primary drivers of long-distance mobility across the largest U.S. cities, moving 3.7 times more than owners in 2024, as high mortgage rates and housing costs kept many homeowners in place.
Eliza Theiss, Apr 23, 2026 $4.6M Hudson Yards Maintains Top Spot, Luxury Sales in Malba Set $2.5M Price Record for Queens
Despite prices declining, Hudson Yards remained the most expensive NYC neighborhood, but TriBeCa’s growth closed the gap to under $400,000, while Malba set a new historic price record for Queens at $2.5 million, securing the highest ranking ever for the borough at #5.
Eliza Theiss, Apr 15, 2026 2026 Q1 Foreclosure Report: Brooklyn Filings Fall Sharply, Bronx & Staten Island Hit New Peaks
Behind a deceptively mild citywide downtick, borough foreclosure markets pulled into significantly diverging paths as Brooklyn cases were nearly halved and the Bronx hit a new, record high. Meanwhile, Queens remained unchanged, Staten Island surged back up and Manhattan cooled slowly.
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Past Sales & Property History for 4252 Comet Circle, Union City

Create a free account to view the complete sales history for 4252 Comet Circle, Union City, including title documents, transfer conditions, mortgages and liens.

Purchase date Purchase price Buyer name Seller name
10/15/2018 $680,000
08/29/2001 $280,000
10/09/1998 $155,000
       
       
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*Here are the three most recent sales for this property.


Title Documents for 4252 Comet Circle, Union City

To view the complete history of deeds, mortgages, assignments of leases and rents, and more, sign up for free. Available data goes back to 1966.

Date Type Amount Party 1 Party 2 Maturity Document Doc image
09/23/2022 Deed of trust
Assignment of rents
09/13/2052
01/15/2021 Deed of trust 02/01/2051
09/17/2020 Deed of trust 10/01/2035
04/22/2020 Deed of trust
10/15/2018 Deed of Trust 11/01/2048
10/15/2018 Grant Deed
11/12/2015 Deed of Trust 11/01/2045
11/12/2015 Quitclaim Deed
03/01/2013 Deed of Trust 03/01/2043
03/01/2013 Subordination (Deed of Trust)
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R: Recorded date
D: Document date

Property Taxes for 4252 Comet Circle, Union City

Access detailed property tax data for 4252 Comet Circle, Union City, CA 94587. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year: 2025-2026
Property tax $9,574
Market value $758,540

Assessment History for 4252 Comet Circle, Union City

Here's the assessment & property tax history for 4252 Comet Circle, Union City, including the evolution of the total tax rate and corresponding property tax.

Year Assessment value Total tax rate Property tax Year over year change
2025-2026 $758,540 1.2621 $9,574 +4.15%
2024-2025 $743,667 1.236 $9,192 -21.54%
2023-2024 $729,088 1.6069 $11,716 +31.95%
2022-2023 $714,794 1.2422 $8,879 +10.23%
2021-2022 $650,000 1.2392 $8,055 -4.59%

Permits for 4252 Comet Circle, Union City

The complete history of permits filed for 4252 Comet Circle, Union City, including new construction or demolition permits, plus any work pertaining to plumbing, heating and sprinkler systems is available with a free account. Available data goes back to 1990.

Issued Permit Type Status
12/14/2016
       
       
       
       
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Union City residential market stats

Median Sale Price
$1,284,000
-7% YoY
Median Price/Sqft
$759
-7.8% YoY
Alameda County Median Sale Price
$965,000
-7.1% YoY

Access a detailed real estate market overview of Union City so you can assess current trends, home values, types of properties sold and transaction volume. View the median home sale price in Union City and compare it to other neighborhoods in Alameda County.

Check out recently sold homes in Union-City and see how their prices compare.

Risk

Create a free account to unlock extended information for 4252 Comet Circle, Union City, including whether it's located in FEMA flood zones, floodways or special flood hazard areas, as well as the Coastal barriers resources system area (COBRA).

FEMA flood zone(s) X (See more on map)
Fire hazard zone See more on map
Faults and tsunami inundation zone map
Landslides and liquefaction map

Transportation

Access the detailed traffic volume map for 4252 Comet Circle, Union City to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

View daily traffic map

Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance to school (mi)
Peace Terrace Academy NR Private PK-8 178 0.72
Peace Terrace Academy NR Private PK-8 178 0.72
Alvarado Elementary School 4 Public K-5 660 0.77
Pioneer Elementary School 5 Public K-5 628 0.95
Ardenwood Elementary School 8 Public TK-5 778 1.16

Nearest middle schools

Name Rating Type Grade range No of students Distance to school (mi)
Peace Terrace Academy NR Private PK-8 178 0.72
Itliong-Vera Cruz Middle School 6 Public 6-8 1,102 0.74
Cesar Chavez Middle School 4 Public 6-8 1,012 1.05
Union City Christian School NR Private K-12 71 1.79
New Haven Adult NR Public 0 2.19

Nearest high schools

Name Rating Type Grade range No of students Distance to school (mi)
Union City Christian School NR Private K-12 71 1.79
New Haven Adult NR Public 0 2.19
James Logan high school 7 Public 9-12 3,315 2.19
Spectrum Center-Mission Valley Campus NR Private K-12 0 2.57
Connecting Waters Charter - East Bay 7 Charter K-12 494 2.58

Data provided by GreatSchools.org © 2025. All rights reserved.

Neighbors for 4252 Comet Circle, Union City

Here are the neighbors for 4252 Comet Circle, Union City.

Address Square feet Purchase date Purchase price
32326 Cygnus CT, Union City 1,565 05/19/2016
32627 Endeavour Way, Union City 1,255 06/07/2002 $270,000
32609 Endeavour Way, Union City 1,583 05/03/2005 $515,000
32646 Endeavour Way, Union City 1,342 06/14/2006
32605 Endeavour Way, Union City 1,342 06/08/2009 $220,000
32318 Cygnus CT, Union City 2,072 11/26/2018
4295 Polaris Ave, Union City 1,255 03/18/2021
32628 Endeavour Way, Union City 1,255 11/06/2020
32503 Endeavour Way, Union City 1,342 01/14/2008
32615 Endeavour Way, Union City 1,255 06/09/2023 $765,000
32525 Endeavour Way, Union City 856 07/05/2023 $656,000
4216 Galaxy Dr, Union City 1,588 12/05/2024
4208 Galaxy Dr, Union City 1,095 03/07/2018
4293 Polaris Ave, Union City 1,255 04/21/2021
4291 Polaris Ave, Union City 1,583 04/22/2009 $255,000
32305 Pegasus CT, Union City 1,643 06/26/2009 $259,000
4207 Comet Cir, Union City 1,583 12/21/2023
32629 Endeavour Way, Union City 1,583 11/26/2019 $650,000
32309 Pegasus CT, Union City 1,180 08/17/1999 $259,000
32317 Pegasus CT, Union City 2,437 08/21/2017

Nearby ZIP Codes for 4252 Comet Circle, Union City

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