Rob Underwood – Managing Broker, Southern Illinois Realty Experts

Rob Underwood - Managing Broker, Southern Illinois Realty Experts is a commercial real estate agent in Wood River, IL, serving clients across Marion, Herrin, Carbondale, and all of Southern Illinois. As part of a locally owned brokerage established in 2010, he specializes in commercial properties including retail, office, industrial, and mixed-use spaces. The firm offers comprehensive services for buyers, sellers, and investors, with a focus on detailed market analysis, expert negotiation, and full transaction management. With over 15 years of experience and a team of 23 licensed brokers, the company has supported more than 500 families in Southern Illinois.

Southern Illinois Realty Experts was founded by Greg Holthaus with a mission to deliver honest, expert real estate services rooted in deep local knowledge. The brokerage operates three offices in Marion, Herrin, and Carbondale, and its team of licensed brokers live and work in the same communities they serve. The company emphasizes dedicated buyer representation through its Best Buyer Services Guarantee, which includes exclusive representation, market data analysis, and full transaction coordination. It also provides services in multifamily properties, land and development, and property management, with free home valuations available for clients.

The business has maintained a 5.00 rating with zero reviews, reflecting its reputation for professionalism and client-focused service. As a locally owned firm with a long-standing presence in the region, it stands out for its commitment to community roots and personalized real estate guidance. With no reviews yet, the firm’s standing is built on consistent experience, a trusted team, and a proven track record of helping clients navigate Southern Illinois real estate. Rob Underwood and his team continue to support commercial real estate transactions across the area, grounded in local insight and dedicated service.