Fence Regulations in New Hampshire (2026)
7 rules on the books across New Hampshire, 2 cities and counties. Select a rule to read the full details.
Severity: Few Restrictions · Light Restrictions · Some Restrictions · Significant Restrictions · Heavy Restrictions
Height Limits
Maximum fence heights for front, side, and back yards, including privacy fences, corner-lot visibility rules, and how height is measured on slopes and retaining walls.
Hudson
Some RestrictionsIn the Town of Hudson, New Hampshire, fences up to eight feet tall are allowed by right in every residential district…
Read full rule →Nashua
Some RestrictionsNashua limits fences in residential zones to six feet and lets Turnpike-adjacent lots build to 14 feet with a permit…
Read full rule →Fence Permit Requirements
Whether you need a building permit to install or replace a fence, and what the permit process and fees look like.
Hudson
Some RestrictionsIn the Town of Hudson, New Hampshire, a residential fence up to eight feet tall needs no building permit at all under…
Read full rule →Nashua
Some RestrictionsNashua doesn't require a permit for an ordinary fence: residential fences top out at 6 feet and nonresidential fences…
Read full rule →Neighbor Fence Rules
Rules about shared boundary fences, including who pays for construction and maintenance, and which side faces the neighbor.
Retaining Walls
Height limits and permit requirements for retaining walls, including engineering requirements for taller walls on sloped lots.
Material Restrictions
Specific materials that are prohibited for fencing, such as barbed wire, razor wire, or electric fencing in residential zones.