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 December 4, 2017
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 2018 lists those costs and many more for applications, permits, and more.
Download the 2018 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 (does not include amendments made 12/4/2017 to Gateway Neighborhood Mixed Use Districts)
Gateway Neighborhood Mixed Use Districts (adopted 12/4/2017)