Nashua, NH Landscaping Rules: Grass Height Limits (2026)

Nashua's general code (ecode360 NA2698) does not contain a fixed numerical grass-height ordinance like the 8- or 12-inch standards used in many municipalities. The City's regulatory hook for overgrown residential vegetation is the public-nuisance and property-maintenance authority enforced by Code Enforcement under the Building Safety Department. On developed sites subject to an approved site plan, Land Use Code (Chapter 190) Article XXVII Landscaping requires the property owner to maintain all required landscape material in a healthy, growing condition and to replace dead or diseased material in the next planting season. The dominant tool for an uncut residential lot is therefore a nuisance complaint to Code Enforcement (603-589-3216) rather than a measured-inch citation. Nashua's enforcement workflow follows the typical NH model: written notice to the property owner, opportunity to cure within a stated time, and if the nuisance persists the City may abate at the owner's cost with the cost assessable against the lot. NH RSA 47:17 grants cities broad authority to abate nuisances. There is no statewide NH grass-height statute. Tall grass on a vacant or foreclosed property is typically the most common compliance issue and is handled by Code Enforcement on a complaint basis.