A door was forced open by three men, one of whom is thought to have been armed with a knife, who threatened the man living inside.
The raid happened at around 10.50pm on January 5 at an address on Farm Road in Oldbury.
The men fled empty-handed, with the occupant left unharmed but shaken by the experience.
West Midlands Police said it was carrying out house-to-house enquiries and reviewing CCTV footage to identify the men.
A spokesman for West Midlands Police said: "We are investigating after a home in Farm Road, Oldbury, was broken into and the resident threatened at around 10.50pm on 5 January.
"We understand the front door was forced open by three men, one we believe was armed with a knife. After threatening the man inside the house, the men fled empty-handed.
"Thankfully no one injured, but we understand how upsetting this would have been.
"We've carried out house-to-house enquiries and are reviewing CCTV as part of our on-going enquiries to identify those responsible.
"Anyone with information, who's not yet spoken to us, can get in contact via Live Chat on our website, please quote investigation number 20/103763/22.
"Or to tell us what you know, not who you are, call Crimestoppers anonymously on 0800 555 111."