Outside the complex
Are you experiencing problems with people outside the complex because of drug use, a mess of vandalism? You can always contact the streetcoaches of Stichting Aanpak Overlast Amsterdam (Dutch website).
With your neighbours
Are you experiencing problems with your neighbours? Unfortunately, this can happen. The first step is to start a converstation with your neighbours about this, you may be able to find a solution together. Always try to solve the problem yourself first. Here you can find how to act in such a situation. First try the mentioned steps in the link. Only if this is not helping and the problem is the problem getting worse, you can call the police by calling 0900 8844 (only if the situation is urgent).