Sunmark Realty has received a high rating from its clients, with most reviewers praising the agency's excellent service, expertise, and professionalism. One reviewer, in particular, mentioned that the agency's guidance on land investment paid off big, highlighting the agency's knowledge and value. The company's multi-generation family business model also appears to be a strength, with reviewers noting that it provides a sense of familiarity and trustworthiness. On the other hand, there was a concerning incident where the owner was described as "incredibly rude and physically aggressive" towards a client, which may be a cause for concern for potential customers. Overall, however, the majority of reviewers have had positive experiences with Sunmark Realty, and its high ratings suggest that it is a reputable and trustworthy agency.