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At 605Mortgage, we’re a trusted, local mortgage broker based in South Dakota, proudly helping families, first-time homebuyers, and real estate investors navigate the home loan process with confidence. Powered by Nexa Mortgage, the nation’s largest mortgage brokerage, we combine national resources with the personalized care of a South Dakota-based mortgage team.
We believe your mortgage should be built around your life — not the other way around. That’s why we prioritize honest guidance, clear communication, and tailored loan solutions, whether you’re buying your first home, upgrading, refinancing, or investing in property.
With a deep understanding of FHA, VA, Conventional, and Non-QM loan options, we’re here to make the process simple and stress-free — from pre-approval to closing day.
When you work with 605Mortgage, you’re not just getting a competitive home loan — you’re gaining a dedicated partner who truly cares about your future.
📍 Serving all of South Dakota

With a passion for helping families achieve their dreams of homeownership, Zachaeus Shaw brings a powerful blend of expertise, heart, and hands-on guidance to the mortgage world. As the founder of 605Mortgage, a locally rooted mortgage brokerage powered by Nexa Mortgage, Zachaeus leads with one mission: to make the home loan process simple, transparent, and personalized for every client.
Backed by years of experience in the mortgage and financial industry, Zachaeus has become a trusted mortgage advisor in Sioux Falls and across South Dakota, known for his integrity, clear communication, and unwavering commitment to client success. Whether you’re a first-time homebuyer, a veteran exploring VA loan benefits, or a family looking to refinance, he meets you where you’re at — and walks with you every step of the way.
More than just numbers and paperwork, Zachaeus sees homeownership as a way to help families thrive for generations. That mindset, along with his love for faith, family, and community, is what truly sets 605Mortgage apart.
“At 605Mortgage, I’m not just helping you secure a loan — I’m helping you secure a future.”
— Zachaeus
Your home is more than an investment—it’s a place where dreams are nurtured, memories are created, and legacies are built.
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