About Karen Kostiw

Karen

Agent Details

Meet Karen

Licensed Real Estate Salesperson | Luxury Property Specialist
Karen Kostiw's extensive background in real estate and finance allows her to uniquely understand her clients' needs and concerns in today's fast-paced market. As a former financial services executive with extensive team-building and negotiation experience, Karen has the proven ability to meet and exceed her client's goals. Karen utilizes a project management discipline to ensure all steps in the real estate transaction process move smoothly and stress free. Karen's extensive professional and personal network, which includes bankers, contractors, and design professionals, allows her to assemble the perfect team for each of her clients.

Karen enjoys building relationships through increased understanding, honesty and trust to foster inclusion in all aspects of the buying and selling process. She is an empathetic listener, responsive to her clients' inquiries and drives forward to achieve amicable solutions to real estate dilemmas.

Prior to residential real estate sales, Karen held a successful tenured position on Wall Street where she both analyzed residential mortgage debt offerings and managed client relationships.

Karen was raised on the North Fork of Long Island and has resided and worked in Manhattan since graduating college. Karen is currently living in the Chelsea neighborhood of Manhattan with her husband who is also in the real estate profession as a private lender and developer in the tri-state area. Karen currently volunteers at the NYU Career Services Center, is a New York Cares Kaplan SAT tutor, and a SIFMA Invest Write Essay Judge. She enjoys the arts, cooking, running, playing tennis in Central Park and exploring the neighborhoods and restaurants within the five boroughs.

Karen is a dual licensed salesperson in New York with Warburg and in New Jersey with Elite Realtors. She is a member of the Real Estate Board of New York (REBNY) with a board-certified designation of New York Residential Specialist (NYRS®), as well as a member of the National Association of Realtors and the Multiple Listing Service of Garden State, New Jersey and Hudson County. She is also a member of the Financial Executive Networking Group (FENG), Risk Management Association (RMA) and Society of Human Resource Managers (NY SHRM).
 
Visit my website: KarenKostiw
 

Client Testimonials

Sabrina W.

Sabrina W.

Karen did a great job helping me to find my first home. As a first-time homebuyer, she helped to guide my research and efforts, alleviating as much stress from the home buying process as possible. She reassured me when I was un...
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Belinda & Gary

Belinda & Gary

Karen and I were co-workers in the finance industry prior to her becoming a realtor. Choosing her as my realtor for a purchase of a condo in NYC was not a difficult decision, as I knew the quality of her work, albeit in another...
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Judith

Judith

Karen was the ideal realtor for our needs. We found our beautiful apartment with incredible architectural features in Midtown East after 2.5 days of visits to numerous locations, all happening smoothly and efficiently due to Ka...
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Krishna M.

Krishna M.

I am delighted to be writing this testimonial on behalf of Karen Kostiw. Karen is the perfect real estate agent because of her deep real estate domain expertise, her relentless work ethic, and her genuine compassion and care fo...
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Brian

Brian

As a first-time home/apartment buyer, I was nervous and insecure about jumping into the process. Karen calmed my worries and guided me through the entire process with ease. I was able to trust her implicitly, as she was my grea...
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Stella

Stella

Karen was way beyond a professional agent who helped me not only with going through all the processes of purchasing a house, but was also a friend to me. She could always arrange all the appointments perfectly to match my limit...
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Russ

Russ

Karen was a very professional, diligent, and overall reliable agent when working through the process of buying my home. As it was a first home for me, there was definitely some hand-holding along the way (which was necessary). ...
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Eric

Eric

Karen was a great agent for a first-time homebuyer in NYC. She helped me go through the process (including coop board approval) extremely quickly; I was in my lovely new apartment in no time. She is very helpful and willing to ...
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Kim

Kim

Karen is the best! Being new to the buying process, Karen graciously walked me through each step from the beginning to the closing. I wanted to see as many co-ops as I could to get a better understanding of what I wanted with w...
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Joan & Ed

Joan & Ed

Selling an apartment in the highly competitive NYC market is a challenge. Karen understood our requirements and became our 24/7 person. She guided us through the process of obtaining painting and floor contractors, as well as p...
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Carl & Amy

Carl & Amy

Karen was very responsive and helpful throughout the home purchase process for my wife and I. She was readily available to chat when needed, took care of answering our questions (or pointing us in the right direction to another...
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JB & Erica

JB & Erica

Karen completely changed my opinion of brokers. She is incredibly professional, mentored us through the process, is formal in a pleasant but warm way, and I’m going to make all of my friends go to her. She was a project manager...
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Christa

Christa

Purchasing property in New York City is a tough endeavor, let alone for someone out of town. Having a real estate agent is just not enough to navigate the obstacles that seemingly arise at every corner. In today’s world, you ne...
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Juhanh

Juhanh

Karen was absolutely the greatest. It was a difficult time for my family and I, dealing with the passing of my sister. The process of handling her estate was not an easy task, especially with traveling back and forth from Atlan...
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Edgar & Carmen R.

Edgar & Carmen R.

In October of 2014, my father was diagnosed with a severe medical condition. He passed away in May 2015. I started looking for options for my mother to deal with her real estate holdings, holdings that she and my father had bui...
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Vivian

Vivian

Karen’s unique background in business and liberal arts distinguishes her from other real estate professionals we have worked with in the Tri-State area in general and Manhattan in particular. In addition to doing all the prepar...
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Abhinav & Pooja

Abhinav & Pooja

Karen is one of the most professional, personable, and down-to-earth real estate agents my husband and I have ever worked with. That says a lot about someone in this cut-throat Manhattan real estate market. She is a breath of f...
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Jose & Joanna

Jose & Joanna

Karen is outstanding! She goes above and beyond the call of duty, always seeing the big picture. If you have no idea where to start, Karen will set the path and take you carefully and clearly through it till the end. She was an...
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Jeff W.

Jeff W.

Karen is the only realtor you should ever consider using. As a real estate developer, I have yet to meet a realtor that exhibits the enthusiasm, attention to detail, and most importantly, professionalism that Karen displays. Sh...
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Past Transactions

Residence
25 Broad Street PH2D
Sq. Ft.
1,436
Beds
2 beds
Baths
7 baths
Price
$2,550,000
Price/Sq.
$1,776
More Details
Residence
36 W 35TH Street PHF
Sq. Ft.
775
Beds
2 beds
Baths
1 bath
Price
$865,000
Price/Sq.
$1,116
More Details
Residence
10 W 15th Street 1125
Sq. Ft.
750
Beds
1 bed
Baths
1 bath
Price
$850,000
Price/Sq.
$1,133
More Details
Residence
16 W 16TH Street 2GN
Sq. Ft.
575
Beds
Baths
1 bath
Price
$690,000
Price/Sq.
$1,200
More Details
Residence
205 3RD Avenue 16J
Sq. Ft.
Beds
1 bed
Baths
1 bath
Price
$657,500
Price/Sq.
More Details
Residence
200 E 95TH Street 20C
Sq. Ft.
1,959
Beds
3 beds
Baths
3 baths
Price
Price/Sq.
More Details
Residence
200 E 94th Street 907
Sq. Ft.
1,238
Beds
2 beds
Baths
2 baths
Price
Price/Sq.
More Details

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With us representing you and your property in the purchase or sale of real estate, you will not only work with one of the city’s highly-trained and hardest working agents, but you will also have the benefit of Coldwell Banker Warburg’s leadership strategies every step of the way.

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