Welcome to the Department of Public Works

Operating Hours

Recycling Center

Tuesday: 7:45 AM – 3:15 PM (7:45 AM – 6:15 PM from July 1 to Columbus Day)

Wednesday: 7:45 AM – 3:15 PM

Thursday: 7:45 AM - 3:15 PM

Saturday: 8:00 AM - 2:00 PM

Department of Public Works

Monday to Friday
7:30 AM – 3:30 PM

Things to Know

GM

City of Portsmouth Goes Organic With Compost Tea Brewer

June 25, 2019

The City of Portsmouth Department of Public Works has recently purchased a state of the art piece of equipment...

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City Announces Installation of Flexible Bollards for Middle Street Bike Lanes

June 28, 2019

City DPW crews will be installing bollards for the Middle Street bike lanes the week of July 1. The bollards a...

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Islington Street Overnight Water Main Work begins Monday

June 28, 2019

On Monday, July 1st, overnight work on the water system will occur from approximately 4...

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City Offices closed in observance of Independence Day

June 27, 2019

July 4th - July 5th In observance of Independence Day, Portsmouth City Hall, the Library, Department of Pub...

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Portsmouth, NH DPW

@PortsmouthDPW
10/18 @ 4:20 pm

NHDOT closing I-95 Northbound Exit 7 on-ramp for paving SUN Oct 20 thru THURS Oct 24, 9pm to 7am daily. Message boards, traffic control devices, and smart work zone devices will be used to notify the traveling public. This work is weather dependent and may require rescheduling.