Bill Kowalczuk

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United States
New York, NY
Bill Kowalczuk

Selling Coveted NYC addresses
Top Ranking Broker | 25+ years
Closed over $500 million in sales
Buy. Sell. Lease. CB Warburg
[email protected]

08/14/2026

Exciting news! Coldwell Banker Warburg is now Warburg at Compass, bringing together a trusted NYC legacy with industry-leading technology, reach, and resources.
I look forward to delivering even greater value and exceptional results for my clients in this exciting new chapter.
Bill and Guy (Kowalczuk/Hobson) Compass New York

06/23/2026

The Manhattan luxury market continues to show strength.

According to the latest Olshan Realty Luxury Market Report, 36 properties priced at $4 million and above went into contract in a single week.

While headlines often focus on interest rates and market uncertainty, buyers are still moving when a property is priced correctly and presents well.

Whether you’re considering selling in Manhattan, Brooklyn, or Jersey City, understanding current market activity is one of the best ways to position your property for success.

Bill & Guy

Bill Kowalczuk Guy Hobson Coldwell Banker Warburg

06/10/2026

How lucky am I? Mom is going to be 93 and she still drives and does her own thing.

01/25/2026

Enjoying the elements in Jersey City

12/27/2025

First snowfall of winter in Central Park!

Address

654 Madison Avenue
New York, NY
10065

Website

http://www.billandguy.com/

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