Maria Calvo
Real Estate Broker
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The Mission
To enhance the lives of those we serve by engaging, inspiring, and connecting the luxury community as we showcase the very finest in luxury real estate and the luxury lifestyle in and across our markets. Our unmatched exposure and influence across today’s most relevant and engaging platforms, combined with our local market expertise and commitment to strengthening the communities in which we live and work, ensures we deliver a world-class product and experience like no other.
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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 Investment 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.
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This data has been updated as of September 24, 2026 2:40 AM UTC
Canopy MLS® Copyright ©2026 All rights reserved.
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 24, 2026 3:07 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 Investment shall be responsible for any typographical errors, misinformation, or misprints, and shall be held totally
