Custom homes are often built around a golf course. In Georgetown, Texas, we have many developments with large parks and walking trails and lots of space between the houses. In many of the luxurious developments west of Georgetown, the lots are spacious because of the need for a septic tank. You must have a large lot in order to have proper absorption. A percolation test will determine the septic design necessary. e great thing about a developed site is all the roads and utilities are readily accessible. However, you may have zoning restrictions, developer requirements, and enforceable homeowners association rules. These rules and regulations are positives to most homeowners as they are intended to protect the quality of the neighborhood and value of your house.