All development within the 100-year floodplain needs to obtain a permit from the City of Lambertville.  This includes any fences, filling, excavation, construction, etc.  The application for the permit must be submitted prior to the start of any project. 

Please contact the City of Lambertville Construction Office for more information on obtaining the appropriate permit for your next project. 

The Construction Office can be reached at (609) 397-0803 or via e-mail at  Please use the above number to report any illegal activity or development in the floodplain.