Any company that constructs new homes in Montgomery County must obtain a New Home Builders Building registration from the Office of Consumer Protection. If a new home in Montgomery County is being sold, the legal entity owning the property must obtain a New Home Seller's Registration. Information to obtain or renew registrations can be found on the Office of Consumer Protection's webpage, referenced below.

Home improvement licenses (used for renovations and repair) are issued by the Maryland Home Improvement Commission 888.218.5925. Licensed builders can be found at the second and third URL link below.