Concord: Teen boy, 15, arrested after man, 30, was allegedly stabbed to death at inner west property

A 15-year-old has been arrested after a 30-year-old man was stabbed to death on a residential street in Sydney's inner west.

NSW Police were called to an address in Spring Street, Concord, at 12.30am on Saturday, following reports of a stabbing.

They arrived to find a man suffering multiple stab wounds to his chest outside the property.

The man, who is yet to be formally identified, was treated by paramedics, but died at the scene.

A teenager was arrested nearby and is assisting police with their inquiries at Burwood Police Station.

Police have established a crime scene and detectives are investigating the incident.

As inquiries continue, police are urging anyone with information or CCTV footage to contact Burwood police or Crime Stoppers on 1800 333 000.