Alameda County  »  94587  »  Comet Cir  »  4201 Comet Cir

4201 Comet Circle, Union City, CA 94587 - Property report

Also known as: 4201 Comet Cir

Property image for 4201 Comet Circle, Union City, CA 94587
static Mapbox map

Property type

Townhouse - Planned Development (1500)

Year built

1972

Acreage

0.04

Sale price

$131,000

General Information

Address
Primary address
4201 Comet Cir
Union City, CA 94587
Zip code
94587
County
Alameda
Parcel ID
483-102-71

Owner

Find out who owns 4201 Comet Circle, Union City, CA 94587. Uncover corporate and individual owners with a free account.

Sales
Sale date
10/17/1996
Sale price
$131,000
Arm's length
Tax
Tax year
2025-2026
Property tax
$2,693
Tax per sq. ft.
$2
Building
Property type
Townhouse - Planned Development
Building sq. ft.
1,583
Stories
2
Year built
1972
Building material
Wood/wood and steel frames
Last altered
1973
Rooms
7
Elevator
Bedrooms
4
Bathrooms
2.5
Lot
Acreage
0.04
Zoning & use
Zoning
Muliti-Family Residential (RM 2500)
Units
1

Area overview

Walk score
71 /100.  Very Walkable
Transit score
0 /100.  Minimal Transit
Bike score
57 /100.  Bikeable
School district
NEW HAVEN SCH
Ownership

Ownership information for 4201 Comet Circle, Union City, CA

Property owner name
Registered owner
Source
Deed
Owner contact information
Phone number
Owner address
Documents

Sales history for 4201 Comet Circle, Union City, CA 94587

Sale date Sale price Buyer name Seller name
10/17/1996 $131,000 XXXXX, XXXXXX X & XXXXXX X XXXXX, XXXXX X & XXXXX X

*Most recent sale on record for this property.

More about Alameda County property records.

Title documents

Date Type Amount Party 1 Party 2
10/04/2022 Quitclaim Deed Trust Transfer XXXXX XXXXXX XXXXX XXXXXX & XXXXXX XXXXX
10/10/2016 Reconveyance
Substitution of Trustee		 XXXXX XXXXXX X XXXXX XXXXXX X
01/03/2003 Deed XXXXX, XXXXXX X & XXXXXX X XXXXX, XXXXXX X & XXXXXX X
10/17/1996 Deed XXXXX, XXXXX X & XXXXX X XXXXX, XXXXXX X & XXXXXX X

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 4201 Comet Circle, Union City, CA

Property tax data includes tax amount, market value and assessed value, exemptions, abatements and assessment history.

Current property tax
Tax year
2025-2026
Property tax
$2,693
Tax per sq. ft.
$2
Recent tax assessments
Market value
$213,344
Land value
$64,003
Building value
$149,341

More about Alameda County property taxes

Assessment history

See the assessment and property tax history, including the evolution of the total tax rate and corresponding property tax amount.

Tax year Assessed value Tax rate Property tax Y-o-Y change
2025-2026 $213,344 1.2621 $2,693 +4.15%
2024-2025 $209,161 1.236 $2,585 -21.54%
2023-2024 $205,061 1.6069 $3,295 +31.95%
2022-2023 $201,041 1.2422 $2,497 +2.27%
2021-2022 $197,098 1.2392 $2,442 +2.84%
2020-2021 $195,078 1.2172 $2,374 -1.32%
2019-2020 $191,255 1.2581 $2,406 +2.24%
2018-2019 $187,506 1.2551 $2,353 +2.37%
2017-2018 $183,830 1.2505 $2,299 +3.82%
2016-2017 $180,227 1.2286 $2,214 +1.75%
Permits

Permit information for 4201 Comet Circle, Union City, CA

No recently recorded permits for this property.

Neighborhood

Union City residential market stats

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.

Median sale price

$1,111,000

-11.1% Y-o-Y

Median price/sq. ft.

$758

0.4% Y-o-Y

Alameda county median sale price

$955,000

-6.4% Y-o-Y

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

Risk

Create a free account to unlock expanded risk information, such as crime incidents in the area, tsunami and landslides risks, or its location relative to FEMA flood zones and the Coastal Barriers Resources System Area (COBRA).

FEMA flood zones

FEMA flood zones
X
Landslides and liquefaction map

Fire hazard zones

Faults and tsunami inundation zones map

Transportation

Daily traffic map
View daily traffic map

Access the detailed traffic volume map for 4201 Comet Circle, Union City, CA 94587 to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance (miles)
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 0.80
Pioneer Elementary School 5 Public K-5 628 0.89
Ardenwood Elementary School 8 Public TK-5 778 1.13
Ardenwood Elementary School 8 Public TK-5 778 1.13
Delaine Eastin Elementary School 7 Public K-5 650 1.27
Tom Kitayama Elementary School 6 Public K-5 615 1.31
Myndflex Inc NR Private 1-6 48 1.33
Genius Kids Inc NR Private K-6 91 1.44
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
Peace Terrace Academy NR Private PK-8 178 0.72
Itliong-Vera Cruz Middle School 6 Public 6-8 1,102 0.77
Cesar Chavez Middle School 4 Public 6-8 1,012 1.10
Union City Christian School NR Private K-12 71 1.83
New Haven Adult NR Public 0 2.22
Spectrum Center-Mission Valley Campus NR Private K-12 0 2.62
Connecting Waters Charter - East Bay 7 Charter K-12 494 2.63
Purple Lotus Buddhist School NR Private K-12 25 2.63
Our Lady Of The Rosary NR Private K-8 129 2.67
Decoto School For Independent Study 4 Public K-12 295 2.75
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Union City Christian School NR Private K-12 71 1.83
New Haven Adult NR Public 0 2.22
James Logan high school 7 Public 9-12 3,315 2.22
Spectrum Center-Mission Valley Campus NR Private K-12 0 2.62
Connecting Waters Charter - East Bay 7 Charter K-12 494 2.63
Purple Lotus Buddhist School NR Private K-12 25 2.63
Decoto School For Independent Study 4 Public K-12 295 2.75
Newark Adult NR Public 0 2.85
Whiteford (June) Special Education Preschool NR Public 50 2.87
Leadership Public Schools - Hayward 7 Charter 9-12 582 2.87

Data provided by GreatSchools.org © 2026. All rights reserved.

Neighbors for 4201 Comet Circle, Union City, CA

4118 Asimuth Cir, Union City 4274 Comet Cir, Union City 4239 Comet Cir, Union City 4254 Comet Cir, Union City 4122 Asimuth Cir, Union City 4227 Miramonte Way, Union City 4568 Delores Dr, Union City 4259 Comet Cir, Union City 4293 Comet Cir, Union City 4269 Comet Cir, Union City 4229 Miramonte Way, Union City 4276 Comet Cir, Union City 4203 Comet Cir, Union City 32531 Endeavour Way, Union City 4270 Comet Cir, Union City 4128 Asimuth Cir, Union City 4245 Comet Cir, Union City 4256 Comet Cir, Union City 4266 Comet Cir, Union City 4268 Comet Cir, Union City

Nearby ZIP codes for 4201 Comet Circle, Union City, CA

94303, Santa Clara County, CA 94542, Alameda County, CA 94555, Alameda County, CA 94560, Alameda County, CA 94579, Alameda County, CA 95002, Santa Clara County, CA

Frequently asked questions

What is the year built for 4201 Comet Circle, Union City, CA 94587?

The development at 4201 Comet Circle, Union City, CA 94587 was built in 1972.

What is the total square footage of 4201 Comet Circle, Union City, CA 94587?

4201 Comet Circle, Union City, CA 94587 has a total of 1,583 square feet.

When was 4201 Comet Circle, Union City, CA 94587 last sold and what was the sale price?

4201 Comet Circle, Union City, CA 94587 was last sold on 10/17/1996 for $131,000.

What is the assessed value of 4201 Comet Circle, Union City, CA 94587?

4201 Comet Circle, Union City, CA 94587 is currently assessed at $213,344.

What are the property taxes for 4201 Comet Circle, Union City, CA 94587?

The property taxes for 4201 Comet Circle, Union City, CA 94587 total $2,692.

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