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What are the minimum zoning requirements?

Each and every municipality in Maine has what is known as home rule. The municipality will usually dictate minimum lot sizes and configurations such as lot width and frontages. There are very few State minimum zoning requirements outside the shoreland zone. In rural areas without municipal wastewater systems, State law dictates a minimum lot size of 20,000 square feet (about one-half of an acre) to install a septic leach field.