"All city facilities are closed today," Paris City Hall said on its website.
The list comprised schools, museums, libraries, sports halls, swimming pools, tennis courts, food markets and district town halls.
Only civil registration offices, to record marriages, will be open, it said, adding that security would be beefed up at town halls
Separately, the French secretary of state for sports issued instructions to sports federations to cancel matches this weekend.
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Irish rock band U2 also called off a Paris concert planned for Saturday.
The Eiffel Tower was closed according to a message on its website that did not say how long it would remain shuttered.
Disneyland Paris, which is located on the eastern rim of the Paris region, said it would not open today "in light of the recent tragic events in France and in support of our community and the victims of these horrendous attacks."
"Our thoughts and prayers go out to all of those affected by these horrible events," it said.