Actually you have several options, a home in a brand-new development usually built by one builder who offers various models, a custom-built home in a new subdivision, a custom-built home in an existing neighborhood, or a new home commissioned by an investor built in an existing neighborhood.
Interested in building or remodeling a home? Go to www.nahb.org. This is the website of the National Association of Home Builders. It contains a wealth of information on home building, remodeling, maintenance, and other real estate topics. Even if you do not want to build an entire home, this site can help you with even minor repairs.