The purpose of this Ordinance is to promote the health, safety and the general welfare of Portsmouth and its region in accordance with the City of Portsmouth Master Plan.
Click here to view the Zoning Ordinance as amended through March 4, 2019.
The City's sign regulations are included in Article 12 of the Zoning Ordinance. There are very few regulations that apply to residential properties, however, this document answers some frequently asked questions for property owners in residential districts. Please contact the Planning Department at 603-610-7216 for more information about sign regulations in the City and for information on applying for sign permits.
A wetland buffer is a setback area between a stream, river, or wetland and any upland development. It maintains the natural vegetation cover along the waterway, which is an essential part of the aquatic ecosystem.
Learn more about Wetland Buffers
There are many purposes for Site Plan Review Regulations, and it is important to understand the uses requiring Site Plan Approval, the application and review process, and other related standards.
Read the Site Plan Review Regulations
Consistent with the purpose of the State enabling legislation (RSA 36-21), these regulations are intended to insure the orderly development of the City of Portsmouth by providing that subdivisions are served with adequate utilities and safe, convenient access and with a desirable and attractive living environment.
Continue reading the Subdivision Rules and Regulations
Need to know how much a Site Plan Review or Wetlands Conditional Use Permit costs? The Planning Department Fee Schedule for Fiscal Year 2018 lists those costs and many more for applications, permits, and more.
Download the Fiscal Year 2020 Fee Schedule
City of Portsmouth Zoning Maps that show the city broken down by districts, building height standards, and special requirements for facade types, front lot line buildout, and uses.
Download Zoning Maps (As Amended 2/4/2019)