This is a list of properties on the National Register of Historic Places in Penobscot County, Maine.
This is intended to be a complete list of the properties and districts on the National Register of Historic Places in Penobscot County, Maine, United States. Latitude and longitude coordinates are provided for many National Register properties and districts; these locations may be seen together in a map.
There are 110 properties and districts listed on the National Register in the county. Five properties were once listed, but have since been removed from the register.
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