There are great real estate professionals—and then there’s a class of one: Mark Seiden!
Meet Mark, and you’ll instantly know you’re talking to someone at the top of his game. With over 30 years of experience and just shy of 3,000 properties sold, Mark has built a reputation that truly stands out.
His secret? Innovative relationship-building strategies and a highly efficient team system that keeps him “top of mind” with clients in an authentic, supportive way. Those connections have turned into lifelong relationships—and remarkable results.
Mark doesn’t just sell homes; he creates experiences. From “Bon Voyage Parties” for sellers to “Open House on Steroids” events, his high-energy, creative approach redefines what great real estate service looks like. It’s why he consistently ranks among the top three agents in Westchester and Putnam Counties, with multiple awards, media features, and an ever-growing following.
We call him “Mark 57”—because the number of fun, inventive ideas he brings to the table is practically endless. Mark proves that success can be smart, profitable, and full of joy.
Even better? He’s eager to share his systems, strategies, and playful professionalism with other agents ready to elevate their business while reducing stress and boosting visibility.
Tap into Mark’s ideas and inspiration at www.HomeMan.net—and add a new level of creativity, connection, and fun to your real estate journey.





