Another option is to ask the property manager if there is a storage room or any other space that could be used to lock up residents bikes. If you can band together with a few other responsible indviduals in your building that bike, that helps. Then talk to the property manager in a respectful and encouraging manner. If they provide bike parking for residents and visitors, that may cut down on the number of cars that need to be parked there. Hopefully it’s important to them to have healthy, happy, considerate residents. Good luck!