Luxury Homes in Union City, CA

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7 of 161 Listings

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Thomas O'Leary

Realty.com

Lic. #01840925

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New49Active
$1,750,000
4 bd · 3 ba · 2,436 sqft
32409 Seaside Dr, Union City, CA
Nicole Causey · Everhome
Open house Sun, Oct 18 · 2:30 PM42Active
$1,290,888
5 bd · 3 ba · 1,932 sqft
375 Monte Carlo Ave, Union City, CA
Michael Mendoza · Alliance Bay Realty
Open house Sun, Oct 18 · 1:00 PM45Active
$1,398,000
3 bd · 3 ba · 1,683 sqft
4413 Holt St, Union City, CA
Navi Dhillon · REALTY EXPERTS

Listing data & MLS disclosures

BayEast: Listing information provided by BayEast.
California Regional Multiple Listing Service (CRMLS): The multiple listing data appearing on this website, or contained in reports produced therefrom, is owned and copyrighted by California Regional Multiple Listing Service, Inc. ("CRMLS") and is protected by all applicable copyright laws. Information provided is for viewers personal, non-commercial use and may not be used for any purpose other than to identify prospective properties the viewer may be interested in purchasing. All listing data, including but not limited to square footage and lot size is believed to be accurate, but the listing Agent, listing Broker and CRMLS and its affiliates do not warrant or guarantee such accuracy. The viewer should independently verify the listed data prior to making any decisions based on such information by personal inspection and/or contacting a real estate professional. Based on information from California Regional Multiple Listing Service, Inc. as of 2026-10-18 08:11:48 UTC and /or other sources. All data, including all measurements and calculations of area, is obtained from various sources and has not been, and will not be, verified by broker or MLS. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information.
Listing information ©2026 California Regional Multiple Listing Service, Inc®. All Rights Reserved. Last Updated: 2026-10-18 08:11:48 UTC
Contra Costa Association of REALTORS: Bay East ©2026. CCAR ©2026. bridgeMLS ©2026. Information Deemed Reliable But Not Guaranteed. This information is being provided by the Bay East MLS, or CCAR MLS, or bridgeMLS. The listings presented here may or may not be listed by the Broker/Agent operating this website. This information is intended for the personal use of consumers and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.
MLSListings: Based on information from the MLSListings MLS. Real estate listings held by brokerage firms other than Realty.com are marked with the Broker Listing Exchange icon and detailed information about them includes the names of the listing brokers and listing agents. All data, including all measurements and calculations of area, is obtained from various sources and has not been, and will not be, verified by broker or MLS. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information. Information deemed reliable but not guaranteed. Copyright © 2026 MLSListings, Inc. All Rights Reserved.

About Luxury Homes in Union City, CA

Luxury Homes in Union City, CA: 161 active listings as of October 18, 2026, 10:46 UTC.

Union City housing market

August 2026

Selling at 99.6% of asking price

Sales here are closing essentially at asking. MLS · 34 sales · as of Aug 31, 2026

Homes that sold · County records, as of Aug 31, 2026

Median sale price: $1,150,000$865,000–$1,473,000 typical range
Price per sq. ft.: $712
Sales: 31
Paid in cash: 19.4%

Homes on the market · MLS, as of Aug 31, 2026

Median days on market: 7 days

Union City, CA community profile

Population: 68,530
Median income: $126,239
Housing units: 22,591
People per sq. mi.: 5,438.9
Area: 12.6 sq. mi.

Source: HJN community data

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Listing data & MLS disclosures

About Luxury Homes in Union City, CA

Union City housing market

Homes that sold · County records, as of Aug 31, 2026

Homes on the market · MLS, as of Aug 31, 2026

Union City, CA community profile

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Listing data & MLS disclosures

Union City, CA community profile

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Union City housing market

Homes that sold · County records, as of Aug 31, 2026

Homes on the market · MLS, as of Aug 31, 2026

Price trend · Assessor repeat sales, as of Aug 31, 2026