Londonderry, NH, Municipal Codes
Updated August 2019
By: Town of LondonderryReport a broken link
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 (§18.104.22.168). 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.
2010 Population: 24,129
2010 Population Density: 574.71/square mile