View Dedham updates on COVID-19. Town Hall remains closed to the public until further notice, but Town staff are providing services remotely.


Located in the William H. Dunn Public Works at 55 River Street, the Engineering Department:

  • Provides technical support regarding roads, bridges, sewers, and drainage.
  • Reviews and inspects sewers, drainage structures, dams, roads, and bridges.
  • Maintains Geographic Information Systems (GIS) data and produces online services and printed maps.


When to Contact us

If you are a developer or engineer, you may wish to contact us if what you need pertains to:

  • Sewer Permit Information
  • Sewer and/or Stormwater utility information
  • Street layout plans
  • General engineering questions pertaining to Town Standards

If you are a resident, we welcome your questions and concerns, but you most likely will want to speak to the Department of Public Works.

GIS Division

The Geographic Information Systems (GIS) Division maintains data and services related to geographic information for the Town of Dedham.  Our goal is to make geographic information readily available in order to improve the efficiency of town services. View the GIS link in the menu at left for more information.

Sewer Inflow & Infiltration (I/I)


The Town of Dedham has a program to rehabilitate the existing system in an effort to reduce the amount of clean water entering the sewer system in an effort to improve system reliability and reduce the costs which residents and businesses pay. Read more about Inflow & Infiltration.

Board and Committee Work

The Director of Engineering, Jason Mammone, sits on the Transportation Advisory Committee (TAC) as a non-voting member. TAC is responsible for reviewing Traffic Calming Request Forms to determine if they are eligible for potential traffic calming measures as based upon the requirement set forth in the adopted Traffic Calming Policy.