720.432.3511 jon.sisenwein@compass.com

720.432.3511
720.432.3511


"Real estate has taken me from New York to Colorado, and there’s nowhere I’d rather be. Whether you’re making a move across town or across the country, I’m here to help you find a home—and the dream lifestyle—you love."
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Awards
2024 - 5280 Magazine Top Producer List
2023 - 5280 Magazine Top Producer List
2022 - 5280 Magazine Top Producer List
2021 - 5280 Magazine Top Producer List
2020 - Compass-Boulder Rising Star
Jon Sisenwein - Living the Boulder Dream, Helping You Find Yours
Jon Sisenwein knows what it means to find the right home—because he’s done it. With over eleven personal real estate transactions across three states, Jon’s experience goes far beyond the typical agent’s. From buying, selling, and renovating properties in bustling cities to discovering his dream lifestyle in Boulder, Jon has lived through the excitement, challenges, and opportunities that real estate brings. This first-hand experience means he understands what it takes to make every move smooth and successful for his clients.
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Originally a New Yorker, Jon once believed that city life was the only life. But after moving to Boulder, he quickly discovered something remarkable—a place where community, opportunity, and the beauty of Colorado’s outdoors align perfectly. Now, Jon and his family live what he calls “the Boulder dream”, and he thrives on helping others achieve that dream too—whether it’s relocating, upgrading, or selling with confidence.
Born into a family of real estate developers, brokers, and insurance professionals, Jon’s passion for real estate started early. Pair that with his extensive professional background—first as a successful Creative Director in the New York advertising world and later as a startup Founder—and you’ll find a Realtor® who brings creativity, strategy, and unwavering commitment to the table.
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Clients trust Jon for his unique blend of market expertise, negotiation skills, and ability to truly understand their goals. He approaches every transaction with the belief that buying or selling a home isn’t just a process—it’s a milestone. Whether you’re looking to navigate Boulder’s competitive market as a buyer or maximize the value of your home as a seller, Jon is the trusted guide you want on your side.
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Jon lives in North Boulder with his wife, two kids, and their loyal (and very needy) dog. He’s a Certified Real Estate Negotiation Expert (RENE), a licensed Realtor® in Colorado, and an active member of the Boulder/Longmont Area Realtor® Association. Outside of real estate, Jon’s community involvement includes serving on the Watershed School Board of Trustees and leading local homeowners associations. An avid CrossFit enthusiast, Jon brings the same energy and focus to his clients that he does to his personal pursuits.
Get to know me
Communities
Longmont
Once known only as a farm town, Longmont has found its place with great Restaurants, Breweries and more.
Longmont
Ask about these neighborhoods too:
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Columbine, Country Club Park, Crest View, Dakota Ridge, Downtown Boulder, Gunbarrel, Holiday, Indian Peaks, Keewaydin, Lafayette, Longmont, Louisville, Lyons, Mapleton, Martin Acres, Niwot, Newlands, North Boulder, South Boulder, Superior, Table Mesa, The Hill, Westminster and more...
Proud supporter of these organizations
Let's Talk.
From buying to selling, whether it's your first-time or you're a seasoned investor – I just might be your guy. Let's chat by phone or meet for coffee and discuss your goals. After all, talk is cheap. Real estate, not so much.