The Costello Real Estate Team - Elmira, Horseheads, Corning, Watkins
Kitchen Stock Photo - Costello Team at Warren Real Estate
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"Connecting with People & Cultivating Relationships"

Welcome to the Costello Team at Warren Real Estate 

The Costello Team, founded by Julie "Jules" Costello, is dedicated to serving the Greater Southern Tier area. With a focus on personalized service, attention to detail, and a passion for real estate, we are committed to helping our clients achieve their real estate goals.

Whether you're buying, selling, or investing in property, our team is here to guide you through every step of the process. We understand the local market and strive to provide our clients with the most up-to-date information and expert advice.

Experience the difference of working with a dedicated and knowledgeable team. Reach out to us today and let us help you make your real estate dreams a reality.

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Meet The Team

Jules Costello

Julie "Jules" Costello

Team Lead & NYS Lic. R.E. Salesperson,
PSA, ABR, GRIe-PRO, SRES, SRS

(c) 631.433.7702
(o) 607.398.6416
jules@warrenhomes.com

Valarie Clark

Valerie "Val" Clark

NYS Lic. R.E. Salesperson,
ABR

(c) 607.329.7181
(o) 607.398.6416
valerie@warrenhomes.com

Khalid Osman Real Estate Salesperson Updated Headshot- Warren Real Estate

Khalid Osman

NYS Lic. R.E. Salesperson

(c) 570.423.8724
(o) 607.398.6416
khalid@warrenhomes.com

Jules's Active Listings

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Jules's Sold Listings

Client Testimonials

Jackie Yoder

We just bought our first home in July and we had such a great experience with Jules, she was extremely patient and understanding! She was always available to us and was extremely knowledgeable! She made the process very enjoyable! We would definitely recommend her!

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