Taxis take at least 30mn, very often 1 hour to go from CDG airport to the apartment.
The fare is around 50-60€

parties of 4-5 can hire a monospace: these can carry up to 5 passengers.

here are phone numbers to two companies that offer this service:
01 47 39 01 39 (G7 - dedicated line for monospace cars)
08 91 70 10 10 (taxi bleus - this other company usually offers slightly more comfortable cars and services)

More info on ADP website (will open a new window:)

Car Airfrance Ligne 2 shuttles stop a mere 5mn walk away from the apartment.
Return tickets are 24€ per person.

RER B runs directly from the airport to Gare du Nord train station.
Tickets are 8.20€ (5.80€ for children up to 10 y.o.) and can be used on the bus and metro system.

to the apartment from Gare du Nord

More info (will open link in new window):