As a Top 20 Team in AZ, Phoenix Magazine Top Realtors, and Zillow Western USA Award winner, we thrive on sharing our knowledge and love for our communities here in the Valley of the Sun. We're a group of results orientated people with a passion for serving our clients needs.

This philosophy guides everything we do at Newcombe Zimmerman Group as we help our clients move seamlessly to the next exciting chapter of their lives. Selling their home, or finding somewhere new, where they make new memories and live their best life.


David Newcombe and Sean Zimmerman

Sean and David's collective skill sets, innovative strategies and pragmatism have assisted clients in realizing more than $2 billion+in real estate sales in Phoenix and around the globe. Collaborating with some of the industry’s best developers, architects, construction companies and lenders, the energetic duo applies a proprietary methodology to each project that demonstrably contributes to higher conversion rates, reduced marketing costs, shorter sales cycles and increased ROI. From pre-development analysis and feasibility, sales personnel training and management, through sales, closings and follow up, these two are extremely results-oriented.


David Newcombe



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Long term relationships have always been key to David, leading to him becoming a Co-Founder of Launch Real Estate in 2016.

Arriving in Phoenix from the UK in 2003, David quickly found his home working with infill developers, and representing the sales of over $300m of High and Mid Rise Condominium homes in the Phoenix and Scottsdale. With many repeat clients from the new homes he sold, David continues to specialize in the Luxury Condominium Markets of Downtown Phoenix, The Biltmore, and Scottsdale, as well as the beautiful desert homes of North Scottsdale, DC Ranch, and McDowell Mountain Ranch where he now lives

David is a member of ULI, serving on the board of Urban Plan and as vice chair of ULI Product Council for Adaptive Reuse and Urban Infill. Away from work David satisfies his love for the Sonoran Desert lifestyle (and a little adventure) as an avid Cyclist, and GA Pilot.


Sean Zimmerman



After a career in Fortune 100 consulting, Sean pursued his passion, Real Estate, in 2006. Founding SIALiving, an international sales, marketing, and consulting agency. As Managing Director, Sean was responsible for the planning, sale, and marketing of over $900m in 4 and 5-star resort communities in California, Colorado, Florida, Mexico, New Zealand and Costa Rica. In 2011 he successfully entitled and permitted cutting-edge energy efficient, multifamily housing projects in Scottsdale. Before joining as a Co-Founder of Launch, Sean also created and opened a Top 100 Al Fresco Restaurant in America, The Upton in Downtown Scottsdale.


Breeja Larson

Real Estate Advisor


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Breeja is a proud member of the Newcombe-Zimmerman Group. She strives and succeeds daily to provide top-level service for her clients. Breeja has always been driven by an ambitious pursuit of being amongst the best. An Arizona native, born and raised in Mesa, Arizona, she swam collegiately for Texas A&M University earning her Bachelors in Psychology and Masters in Sports Management. While swimming collegiately for Texas A&M she made the 2012 US Olympic Team earning a Gold Medal as part of the 4x100 medley relay. Since then she has competed at multiple World Championship Games, Pan Pacific Games, FINA World Cup Tours, and International Swim League seasons. She has traveled to over 30 countries competing, running her own business with swim clinics, motivational speaking, mentoring younger athletes and serves as a motivational consultant for many high end business individuals. When Breeja entered the world of Real Estate, she took that same passion and drive to best serve her clients and strives for excellence every step of the way. Her worldly experience, business acumen, and vast network help her in executing the best deals for her clients!


Emily Tyson

Real Estate Professional


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Emily has a passion for always working hard and taking care of her clients by being kind, honest, and professional. Born and raised in Illinois, she moved out to Arizona in 2007 right after graduating from Northern Illinois University with a bachelor’s degree in marketing/sales. With 15 years of sales experience, she has been a consistent top sales performer, effectively managing and maintaining relationships with over 200+ clients in all areas of business. A true believer in the power of positivity, she always works hard to get the job done right and make each experience special and be the expert in every transaction.