Cavalier Realty 8715 Belair Rd, Nottingham, MD21236 Cavalier Realty is a small, independently owned real estate firm in Perry Hall, Maryland. Established in 1977,…More Cavalier is located on Belair Road adjacent to Perry Hall Crossing Shopping Center; the office is in a free standing home converted into office space. With a nice, backlit green and white sign, you can't miss the office. The reception area is cozy and inviting, and the staff are attentive to your requests. The office is easily accessed by customers in wheelchairs.