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How can we help you? Here you can find our contact details and service hours.

Central Finland Student Housing Foundation | Office


Kauppakatu 11 A, 2nd floor

Customer service:

Tel. +358 29 180 4444
(Phone charge inside Finland: 8,35 cents/call + 16,69 cents/min)

Email: koas@koas.fi

Opening hours

Our office is open Monday – Friday: 12 noon – 3 pm

1st working day of the month: 9 am – 3 pm

We recommend our online services; you can easily reach us by email, chat or phone (tel. on weekdays between 12 noon – 3 pm).

We are closed on public holidays. You can find exceptional opening hours in the News section.

Questions about rent?

In rent payment matters please contact us primarily by e-mail at:

If you want to deal with matters related to rent payment at the office, please book an appointment separately by e-mailing us at vuokrat@koas.fi.


Contact the maintenance company of your own housing location in case of lost keys or emergency maintenance situation. Check out the contact details of the maintenance companies on the maintenance webpage:

Bank connection

Keski-Suomen Osuuspankki, member of OP Corporate Bank Plc
IBAN: FI40 5290 0220 0111 73
Address of the bank: Gebhardinaukio 1, 00510 Helsinki, FINLAND