Building Setbacks & Zoning in New Hampshire (2026)

6 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

Setback Rules

How far structures must be from property lines, streets, and other buildings. Different setbacks apply to front, side, and rear yards.

New Hampshire RSA 483-B, the Shoreland Water Quality Protection Act, imposes statewide minimum setbacks of 50 feet from…

Hudson's zoning code does not print numeric front, side and rear yard setbacks by district in the text of § 334-27…

Nashua sets separate minimum front, side and rear yard setbacks for each zoning district in the Dimensional Matrix at §…

Maximum building heights allowed by zoning, including how height is measured and exceptions for chimneys, antennas, and rooftop equipment.

In the Town of Hudson, New Hampshire, no occupiable structure may exceed 38 feet in any zoning district under § 334-14…

Nashua's zoning ordinance caps building height under § 190-16I, measured per the International Building Code; the exact…

The maximum percentage of your lot that can be covered by buildings and impervious surfaces like driveways and patios.

Nashua caps lot coverage indirectly: it sets a minimum open-space percentage for each zoning district in the…