How does a property manager work with a real estate agent? Is it possible for a property manager to no 1. At Kasteel Property Management, we don’t practice real estate sales. 2. We have a great referral program that benefits both the realtor and Kasteel Property Management. 3. We will review properties with potential buyers to provide our opinion, insights, and experiences. 4. Quick with communication. One problem we see is misappropriation of the security deposit. How does this happen? Where did the money go? Another problem we see is poor communication.