About New Concept
With over 20 years in Arizona real estate and property management, New Concept Home Sales was founded on a simple belief: every move should be made with confidence.
We started as a property management company — and that foundation remains the heart of everything we do. Today, we’ve grown into a full-service real estate network helping clients at every stage of their journey — from renting to buying, from investing to relocating.
Because we manage what we sell, our insights go beyond the transaction — we understand how homes perform in the real world. Every client gains access to the same data we use to manage hundreds of properties across Tucson, Vail, and the Greater Phoenix area: rent trends, occupancy rates, and long-term ROI analytics.
Our mission is simple: To redefine the way you invest in Arizona — with clarity, integrity, and proven local expertise.
Meet the Team
Heather Leask
Head of Sales | Licensed Realtor® | New Concept Home Sales
Heather leads the residential sales and strategic growth division for New Concept. With a strong background in investment analysis, property management, and client development, she bridges the gap between owners, tenants, and buyers — helping clients make informed, confident decisions. Heather oversees the Buyers Club and Investors Club programs, designed to empower both first-time buyers and seasoned investors through education and data-driven insight.
Phone: (520) 576-4780 Email: heather@newconcepproperties.com
“Every client deserves confidence and clarity — from the first showing to the final signature.”
Paula Margerum
Licensed Realtor® | New Concept Home Sales
Paula is a seasoned Tucson real estate professional whose experience spans decades of residential sales, client care, and property insight. As a long-standing member of the New Concept team, she continues to bring wisdom, perspective, and genuine care to every client relationship. While focusing on selective listings today, Paula’s deep understanding of Tucson’s east-side neighborhoods and changing market conditions adds valuable local experience to the sales division.
Dino Koch
Designated Broker | Owner | New Concept Property Management
As the founder and broker of record, Dino brings over two decades of experience managing and selling Arizona real estate. His focus on integrity, compliance, and client relationships has shaped New Concept into one of Tucson’s most trusted real estate and property management firms. Dino oversees brokerage operations and supports the continued expansion of New Concept Home Sales into the Phoenix market.