I offer "Market Snapshot" as a free service on my website. If you go there and order one, it will give you the properties that have closed within whatever time frame you request, and it will also update you monthly, if you'd like.
No obligation whatsoever.

J,
Pop me an email and I will send you homes sold in two weeks.
Be sure to let me know if you areonly interested in this information regarding Haledon or not
Best reagrds,

Jim
jsteccato@weichert.com

Unfortunately, the only reliable source is the local MLS which only Realtors can view. The alternative is to visit your local tax office but the recorded sales get posted months after the actual sale.
Your best option: Find a Realtor to be represent you as a Buyers' agent so they can help.