400 Union Square Real Estate

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Copyright 2026 Triangle MLS, Inc. of North Carolina. All rights reserved. The data relating to real estate for sale on this web site comes in part from the Triangle MLS, Inc. of North Carolina. Real estate listings held by brokerage firms other than Costello Real Estate and Investments are marked with the Broker Reciprocity logo and detailed information about them includes the name of the listing brokers. Brokers make an effort to deliver accurate information, but buyers should independently verify any information on which they will rely in a transaction. The listing broker shall not be responsible for any typographical errors, misinformation, or misprints, and they shall be held totally harmless from any damages arising from reliance upon this data. This data is provided exclusively for consumer's personal, noncommercial use. Closed (sold) listings may have been listed and/or sold by a real estate firm other than the firm(s) featured on this website. Closed data is not available until the sale of the property is recorded in the MLS. Home sale data is not an appraisal, CMA, competitive or comparative market analysis, or home valuation of any property. Listings marked with an icon are provided courtesy of the Triangle MLS, Inc. of North Carolina, Internet Data Exchange Database. This site is monitored for scraping. Any use of listing data obtained from this web site, other than by a consumer looking to purchase real estate, is prohibited. This data has been updated as of September 20, 2026 11:43 AM UTC

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The data relating to real estate on this web site comes in part from the Internet Data Exchange program of Hive MLS LLC, and is updated as of September 20, 2026 10:22 AM UTC All information is deemed reliable but not guaranteed and should be independently verified. All properties are subject to prior sale, change, or withdrawal. Neither listing broker(s) nor Costello Real Estate and Investments shall be responsible for any typographical errors, misinformation, or misprints, and shall be held totally harmless from any damages arising from reliance upon these data. © 2026 Hive MLS LLC Show More...