The city is responsible for the maintenance of the streets, markets and other public areas in Porvoo. Real estate owners are responsible for the maintenance of pavements and entrance ways. The streets are maintained in order of importance. The city posts notices about street maintenance that include a towing warning, which means that parking is not allowed in marked areas.

The city clears sand off the streets because it is considered to be a part of winter maintenance. Otherwise, street cleaning is the responsibility of real estate owners. Real estate owners are also responsible for reporting, marking and protecting against any potholes and other damage to the streets.

Roads may be partially closed due to construction in street areas from time to time.

Street lights