Londonderry, NH, Municipal Codes

Updated August 2019

By: Town of Londonderry
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Accessory Dwelling Units

The town's zoning code permits one internal, attached, or detached accessory dwelling unit (ADU) by right on any lot with an owner-occupied single-family home (ยง2.3.1.7). Use-specific standards address density calculations, owner occupancy, minimum accommodations, maximum unit size, unit appearance, unit orientation, setbacks, water and wastewater, parking, unit ownership, and workforce housing.

Londonderry, NH

2010 Population: 24,129

2010 Population Density: 574.71/square mile