Local municipalities are permitted to regulate building construction through the process of issuing permits and construction code enforcement. The New Hampshire statutes outline the procedures the communities must follow in order to enforce these regulations.
Building Codes Section 674:51
674:51 Power to Amend State Building Code and Establish Enforcement Procedures. – The state building code established in RSA 155-A shall be effective in all towns and cities in the state and shall be enforced as provided in RSA 155-A:7. In addition, towns and cities shall have the following authority:
I. The local legislative body may enact as an ordinance or adopt, pursuant to the procedures of RSA 675:2-4, additional provisions of the state building code for the construction, remodeling, and maintenance of all buildings and structures in the municipality, provided that such additional regulations are not less stringent than the requirements of the state building code. The local legislative body may also enact a process for the enforcement of the state building code and any additional regulations thereto, and the provisions of a nationally recognized code that are not included in and are not inconsistent with the state building code. Any local enforcement process adopted prior to the effective date of this paragraph shall remain in effect unless it conflicts with the state building code or is amended or repealed by
II. Any such ordinance adopted under paragraph I by a local legislative body shall be submitted to the state building code review board for informational purposes.
III. The local ordinance or amendment adopted according to the provisions of paragraph I shall include, at a minimum, the following provisions:
(a) The date of first enactment of any building code regulations in the municipality and of each subsequent amendment thereto.
(b) Provision for the establishment of a building code board of appeals as provided in RSA 673:1, V; 673:3, IV; and 673:5.
(c) Provision for the establishment of the position of building inspector as provided in RSA 673:1, V. The building inspector shall have the authority to issue building permits as provided in RSA 676:11-13 and any certificates of occupancy as enacted pursuant to paragraph III, and to perform inspections as may be necessary to assure compliance with the local building code.
(d) A schedule of fees, or a provision authorizing the governing body to establish fees, to be charged for building permits, inspections, and for any certificate of occupancy enacted pursuant to paragraph III.
IV. The regulations adopted pursuant to paragraph I may include a requirement for a certificate of occupancy to be issued prior to the use or occupancy of any building or structure that is erected or remodeled, or undergoes a change or expansion of use, subsequent to the effective date of such requirement.