Brown Harris Stevens

Denise Wallenstein brings to Brown Harris Stevens a wealth of sales and marketing expertise and a passion for real estate. She is recognized for her strong interpersonal relationships, leadership abilities, attentiveness to detail, and responsiveness. She is an active listener and a creative thinker.

For 20+ years, Denise has been a marketing partner and creative consultant. She serves as principal of DGW Promos, a boutique-style promotional products agency that services a broad range of clients ranging from community organizations to worldwide luxury clients and brands. Prior To DGW Promos, Denise worked in Advertising Sales for Sesame Workshop. There, she was a top sales achiever receiving numerous awards during her tenure.

Denise's long-standing relationships attest to her quality of work. Her dedication and attention to detail have made her an integral component to many organizations and businesses nationwide, and she is a trusted asset and a team player. She employs confidence and knows how to oversee a project from start to finish. She prides herself on customer service and her client loyalty.

Dual-licensed in both New York City and the North Fork of Long Island, Denise has always had a passion for real estate and has assisted several friends and clients with interior design and visual advice within their homes. She was the person who always wanted to go apartment and house hunting with friends, just because!

Denise is a member of the Anna Kahn Team at Brown Harris Stevens. The Anna Kahn Team is a prominent Licensed Associate Real Estate Broker Team that has ranked consistently in the top 1% of broker teams in New York City and Nationwide by the Wall Street Journal. Anna Kahn ranked top 1% Agent 2023 Brown Harris Stevens and she has over $2 billion in sales. A native New Yorker, Anna has over 25 years of residential real estate experience. Denise is proudly working alongside the best.

Denise's love for the city is unyielding. She is a resident of NYC for over 30 years and resides on the Upper West Side, where she raised her family, and spends her downtime relaxing on the North Fork. She is an animal lover and has both a dog and two cats. Denise enjoys cooking and its creativity, as well as yoga, tennis, reading and simply chilling on the beach. Dining with friends and trying creatively crafted cocktails are key ingredients to her happiness. She loves to travel and embrace new cultures. As a good cook, Denise always schedules a cooking class in whatever country she finds herself in.

As our trusted real estate agent at Brown Harris Stevens in NYC, Denise went above and beyond to help us sell our property on Manhattan’s Upper West Side. She was by our side through EVERY step of the process, and we can't say enough great things about her! We give her 5 stars. - Kelly & Glenn B.

Since I was not in New York, without Denise’s experience and attention to detail, successfully selling my mother’s co-op from a distance would have been much harder. She went above and beyond to make this difficult transaction easier for my family and me. - S. Shapiro

Denise, Anna, & team at BHS were wonderful to work with, from start to final sale. Without a doubt Denise & team are perfect for your North Fork sale needs. - Amanda Grams

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