$650,000
SOLD DEC 18, 2025

4100 Aquarius Cir Union City, CA 94587

Alvarado Neighborhood
3 Beds
1.5 Baths
1,162 Sq Ft
$357/mo HOA Fee

Recently Sold

$559 Per Sq Ft

1% Below List Price

23 Days on Market

Highlights

  • In Ground Pool
  • Clubhouse
  • 2 Car Direct Access Garage
  • Pioneer Elementary School Rated A-
  • Contemporary Architecture
  • Laundry closet

About This Home

As of December 2025

East facing end unit located at the entrance to the development next to guest parking. Walk to TOP RATED PIONEER ELEMENTARY ( A- ON NICHE ) AND ITLIONG - VERA CRUZ MS ( A- ON NICHE), community pool , parks, ball fields and trails. Highway 880 and the Mall are minutes away. The home is in original condition .THE TOWN HOME'S SIDING IS SCHEDULED TO BE REPLACED WITH HARDI PLANK AND REPAINTED NEXT YEAR FOR NO ADDITIONAL COST TO THE HOMEOWNER. The interior roadways are in the process of being resurfaced throughout the development. 0PEN SUNDAY 11/2 2 PM TO 4PM.

Last Agent to Sell the Property

Bernard Laffer

Brokerage Phone: 925-216-4799 License #01217546 Listed on: 10/08/2025

Last Buyer's Agent

Bernard Laffer

Brokerage Phone: 925-216-4799 License #01217546 Listed on: 10/08/2025

Townhouse Details

Home Type

  • Townhome

Year Built

  • Built in 1970

Lot Details

  • 1,632 Sq Ft Lot
  • East Facing Home

HOA Fees

  • $357 Monthly HOA Fees

Parking

  • 2 Car Direct Access Garage
  • Garage Door Opener
  • Parking Lot
  • Off-Street Parking

Home Design

  • Contemporary Architecture
  • Slab Foundation
  • Composition Shingle Roof
  • Wood Siding

Interior Spaces

  • 2-Story Property
  • Electric Cooktop
  • Laundry closet

Flooring

  • Carpet
  • Vinyl

Bedrooms and Bathrooms

  • 3 Bedrooms

Pool

  • In Ground Pool

Utilities

  • Forced Air Heating System
  • Heating System Uses Natural Gas
  • 220 Volts in Kitchen
  • Gas Water Heater

Listing and Financial Details

  • Assessor Parcel Number 4837338

Community Details

Overview

  • Association fees include common area maintenance, exterior maintenance, hazard insurance, management fee, trash, water/sewer
  • Contempo HOA, Phone Number (510) 489-4440
  • Contempo Subdivision
  • Greenbelt

Amenities

  • Clubhouse

Recreation

  • Community Pool

Townhouse Details

Home Type

Townhome

Year Built

Built in 1970

Lot Details

0

HOA Fees

$357 per month

Parking

2

Listing Details

  • Stories: 2
  • Year Built: 1970
  • Property Sub Type: Townhouse
  • Prop. Type: Residential
  • Subdivision Name: Contempo
  • Directions: Alvarado to Galaxy to Gemini to
  • Architectural Style: Contemporary
  • Garage Yn: Yes
  • Unit Levels: Two Story
  • New Construction: No
  • remarks11: Unit is occupied by a long term tenant who is in the process of searching for a new home. Buyer to verify sq ft, Disclosures coming soon https://app.disclosures.io/link/4100-Aquarius-Circle-0k127srj Pre escrow with Fidelity Title/ Bridget Davis Additional pictures aren't posted out of respect to the tenant's privacy
  • remarks22: Bernard Laffer - 925-216-4799 - East facing end unit located at the entrance to the development next to guest parking. Walk to TOP RATED PIONEER ELEMENTARY ( A- ON NICHE ) AND ITLIONG - VERA CRUZ MS ( A- ON NICHE), community pool , parks, ball fields and trails. Highway 880 and the Mall are minutes away. The home is in original condition .THE TOWN HOME'S SIDING IS SCHEDULED TO BE REPLACED WITH HARDI PLANK AND REPAINTED NEXT YEAR FOR NO ADDITIONAL COST TO THE HOMEOWNER. The interior roadways are in the process of being resurfaced throughout the development. 0PEN SUNDAY 11/2 2 PM TO 4PM.
  • Attribution Contact: 925-216-4799
  • Special Features: None

Interior Features

  • Flooring: Vinyl, Carpet
  • Appliances: Electric Range, Gas Water Heater
  • Full Bathrooms: 1
  • Total Bedrooms: 3
  • Fireplace Features: None
  • Fireplace: No
  • Window Features: Window Coverings
  • Room Kitchen Features: 220 Volt Outlet, Laminate Counters, Eat-in Kitchen, Electric Range/Cooktop

Exterior Features

  • Roof: Composition Shingles
  • Lot Features: Level
  • Pool Features: In Ground, Community
  • Pool Private: No
  • Construction Type: Wood Siding
  • Direction Faces: East
  • Foundation Details: Slab
  • Property Condition: Existing

Garage/Parking

  • Garage Spaces: 2
  • Parking Features: Attached, Int Access From Garage, Off Street, Parking Lot, Garage Door Opener

Utilities

  • Heating: Forced Air, Natural Gas
  • Cooling: No Air Conditioning
  • Laundry Features: Laundry Closet
  • Cooling Y N: Yes
  • Heating Yn: Yes
  • Electric: No Solar, 220 Volts in Kitchen
  • Water Source: Public

Condo/Co-op/Association

  • Amenities: Clubhouse, Greenbelt, Playground, Pool
  • Association Fee: 357
  • Association Fee Frequency: Monthly
  • Association Name: CONTEMPO HOA
  • Phone: 510-489-4440
  • Association: Yes

Fee Information

  • Association Fee Includes: Common Area Maint, Exterior Maintenance, Hazard Insurance, Management Fee, Trash, Water/Sewer

Schools

  • Senior High School District: New Haven (510) 471-1100

Lot Info

  • Lot Size Sq Ft: 1632
  • Parcel Number: 4837338

Ownership History

Date Name Owned For Owner Type

Purchase Details

Closed on
Jun 27, 2003
Sold by
Leung Francis K and Leung Lily Q
Bought by
Leung Francis K and Leung Lily Q
Source: Public Records

Range of Values:

--
Value Increase
--
Percent Increase
--
Adjusted for Inflation
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List Price
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Home Values in the Area

Source: Public Records

Average Home Value in this Area

Source: Public Records

Purchase History

Date Type Sale Price Title Company
Interfamily Deed Transfer -- --
Source: Public Records

Property History

Date Event Price List to Sale Price per Sq Ft
12/18/2025 12/18/25 Sold $650,000 -1.3% $559 / Sq Ft
10/31/2025 10/31/25 Pending -- -- --
10/08/2025 10/08/25 For Sale $658,888 -- $567 / Sq Ft
Source: Bay East Association of REALTORS®

Tax History Compared to Growth

Source: Public Records

Tax History

Year Tax Paid Tax Assessment Tax Assessment Total Assessment is a certain percentage of the fair market value that is determined by local assessors to be the total taxable value of land and additions on the property. Land Improvement
2025 $3,128 $147,400 $32,018 $115,382
2024 $3,128 $144,509 $31,390 $113,119
2023 $2,975 $141,675 $30,774 $110,901
2022 $2,896 $138,898 $30,171 $108,727
2021 $2,834 $136,174 $29,579 $106,595
2020 $2,809 $134,778 $29,276 $105,502
2019 $2,821 $132,136 $28,702 $103,434
2018 $2,751 $129,545 $28,139 $101,406
2017 $2,684 $127,006 $27,588 $99,418
2016 $2,588 $124,516 $27,047 $97,469
2015 $2,535 $122,646 $26,641 $96,005
2014 $2,448 $120,244 $26,119 $94,125
Source: Public Records

Agents Affiliated with this Home

  • Bernard Laffer

    Seller's Agent in 2025

    Bernard Laffer

    (925) 216-4799

    2 in this area

    58 Total Sales

    Bernard Laffer
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Map

Source: Bay East Association of REALTORS®

MLS Number: 41113975

Bay East Association of REALTORS®

APN: 483-0073-038-00

California Alameda County Union City 94587 Alvarado

4100 Aquarius Cir, Union City, CA

Sold

Townhouses

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