About Us

Mark Farrahar



With over 30 years of experience in  design, build and remodeling, Mark is a trusted member of the North Shore building community. His talent for innovative design, his ability to value-engineer a project, and his construction knowledge and eye for detail will benefit every aspect of your project. 

Mark started his career at Reese Classic Homes in the mid-1980's, building hundreds of custom homes with them. Mark also founded Castle Rock Construction which specialized in custom home building in the Northwest suburbs.  To expand the scope of services provided, Mark formed Residential Consulting & Management LLC in 2006, since then building over 20 custom homes and over 100 major remodel projects on the North Shore. Mark holds a degree from Eastern Illinois University.

Stephanie Mitchell


Vice President

With a talent for listening to a client and helping them achieve the results they desire, Stephanie is the go-to between a wish list and a finished product. Utilizing her background as a lawyer, Stephanie organizes the firm's building projects, from contracts to material orders to final occupancy. With her real estate license, Stephanie can help evaluate project potential and return on investment. She also incorporates her extensive knowledge of product and design trends into workable 3-D plans so that clients can visualize their new space.  Stephanie holds a finance degree from Indiana University and a law degree from Northwestern University.