Creating
best
in
class
communities
that
are
engaging,
beautiful
and
sustainable.

Base 3 is a transformative urban development company. We implement a cutting edge design driven by a perfectly refined process.

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What
We
Do

Development

Working alongside communities to create what others cannot see by undergoing a detailed zoning, architectural, and design process.

Rehab & Adaptive Reuse

Identifying opportunity to rectify an existing structure that is underperforming, and undeserving its best use by implementing a creative improvement process.

Project Management

Apply expertise gained from decades of experience to manage all stages of the construction and design process.

Our
people
People

Gabe Horstick

Founder & CEO

Having acquired his first building at the young age of 23, Gabe has always had a passion for real estate. He founded Campbell Street Asset Management in 2008, which currently owns and manages 500+ multifamily units. His thirst for knowledge in construction and design has allowed him to gain expertise in creating spaces that appeal to quality renters. Gabe has successfully completed many ground up development and rehab projects throughout the Chicago area, with net asset value of $150M+. He is a licensed real estate broker in Illinois and Wisconsin, and a graduate of the University of Wisconsin – Madison with a double major in real estate and finance.

Gabe is a contributor to the Chicago community and enjoys paying his knowledge back by mentoring aspiring professionals. He is an active member of PAWS and his church community group. Being from Wisconsin, he likes to spend time visiting his relatives there in the summers.

People

Alec Greenberg

Principal & Head of Acquisitions

Alec manages all stages of the deal process for Base 3, from acquisition through development and long term stabilization of the property. He specializes in creating value out of mismanaged buildings and land sites. With Base 3, he has participated in the acquisition and successful repositioning in excess of 125 multifamily units and counting. He is a licensed real estate broker in the state of Illinois, and a graduate of the University of Wisconsin – Madison with a double major in real estate and finance.

Alec spends his time outside of work enjoying friends & family, playing sports, and listening to music. He is a fluent Spanish speaker and enjoys visiting countries where he can use his Spanish.