You could also keep checking the Registry of Deeds website and look for foreclosure notices, become an avid reader of the local newspapers looking in the legal notices section.You have to be careful of relying on any one source. If the lender or their representatives don't file notices like other companies typically do then you might just miss the public notices.
A bigger question might be why you suspect your apartment might be headed for foreclosure. Are you noticing that the maintenance is being overlooked, are there notices being posted on the property? Often times these can be signs of trouble.
You can find out from there if ta home is in preforeclosure. However, just because a home is in preforeclosure, it does not mean that it will end up as a foreclosure. A homeowner can usually pay up or make an agreement with the lender.