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Debbie Konstantinidis
Licensed Real Estate Salesperson
REALTOR®
(646) 244-7229
Find a Home
Sell a Home
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About Debbie Konstantinidis

Debbie brings extensive knowledge and expertise to buyers and sellers alike.  As a Home Specialist, Debbie is equipped with state-of-the-art tools and an inherent understanding of the residential real estate marketplace.  The benchmark of Debbie's success is not in the 'assurance' of providing quality service but in the guaranteed implementation of a customized, results-oriented marketing strategy based on individual needs and circumstances.  This proficiency, combined with the Laffey Experience, is the all encompassing approach Debbie uses to deliver the most effective marketing & sales services to every home seller and buyer.  Debbie is committed to one simple goal: to deliver the highest possible price, in the shortest period of time, with the least inconvenience to you.

About Laffey Real Estate:

Laffey Real Estate is one of the largest privately held independent family-owned residential real estate firms on Long Island with a network of over 500 agents in 13 offices throughout Nassau, Western Suffolk and Queens Counties. Their global partnership with Leading Real Estate Companies of the World®, Luxury Portfolio® and Who’s Who In Luxury Real Estate® extends their reach to more than 70 countries worldwide. The firm is a full-service provider offering expertise in sales, rentals, relocation, mortgage, new development marketing, mortgage and title insurance to the Long Island marketplace. Their pioneering sales management platforms, worldwide brand identity and industry-leading training curriculum embody best in class standards throughout the industry. Consumers trust in Laffey Real Estate name to represent their home buying and selling interests locally and globally.  

Consistently ranked by the two of the industry’s leading consulting and research firms, Laffey Real Estate has an exceptional record of success.  With over $632 Million in Residential Home Sales in 2018 and 914 total transactions, REALTrends 500 placed the firm at #186 among the largest independent brokerages, #475 in total sales volume and # 111 among Leading RE affiliates nationwide.  T3 Sixty’s Mega 1000 Report placed the firm at #504 among the nation’s largest brokerages in the country.

Disclaimer: All information deemed reliable but not guaranteed. All properties are subject to prior sale, change or withdrawal. Neither listing broker(s) or information provider(s) shall be responsible for any typographical errors, misinformation, misprints and shall be held totally harmless. Listing(s) information is provided for consumers personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information on this site was last updated 03/16/2026. The listing information on this page last changed on 03/16/2026. The data relating to real estate for sale on this website comes in part from the Internet Data Exchange program of Delta Media Group MLS (last updated Mon 03/16/2026 7:20:01 AM EST) or OneKey MLS (last updated Mon 03/16/2026 6:26:52 AM EST). Real estate listings held by brokerage firms other than Laffey Real Estate may be marked with the Internet Data Exchange logo and detailed information about those properties will include the name of the listing broker(s) when required by the MLS. All rights reserved.
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