Tankless Water Heaters in Yarmouth, Maine

Yarmouth Homes and What They Need

Yarmouth's housing is among the oldest in this part of the county. Census estimates put the median year built at 1973, about one in five homes predates 1940 and roughly two-thirds were built before 1980. Main Street, between the Upper Village and Lower Falls, is lined with captains' houses and 19th-century homes from the town's shipbuilding era, and the town counts a dozen properties on the National Register of Historic Places. Cousins and Littlejohn islands add shorefront houses and former summer cottages. Yarmouth also has far more variety than towns to the north, with about a quarter of its units in attached houses, condominiums and apartment buildings. Old village houses commonly have cast-iron radiators, plaster walls and nowhere easy to run ductwork, which is why boiler service and replacement is often the first heating decision here, rather than adding a ducted system.

Water Supply and Drains in Yarmouth

Yarmouth Village and Cousins Island get their water from the Yarmouth Water District, chartered in 1923 and supplied by springs and wells tapping a sand-and-gravel aquifer, most of it across the line in North Yarmouth; the USGS counted fewer than one in ten Yarmouth households as self-supplied in 1990. Unlike its inland neighbours, Yarmouth runs its own sewer system: about 40 miles of gravity sewer, 20 miles of low-pressure sewer and some 30 pump stations feeding a treatment plant on the Royal River estuary. The system is under strain. The Royal River pump station, built in 1967, handles about two-thirds of the town's flow, overflowed in January 2024, and led to a 2025 moratorium on new sewer load west of Route 1. For older village houses, the private lateral between house and street main is often the weak point, and sewer line repair or a camera inspection settles recurring backups.

Getting to Know Yarmouth