Merseyside Police are investigating after shots were fired at apartments on Sedgley Walk in Huyton around 6 p.m. on Friday February 19.
The force said it was not informed of the incident until it was reported a few days later on Monday, February 22nd.
Officers have since attended the scene where they have observed damage to a front door consistent with gunfire.
It is believed to be a targeted attack and detectives are trying to locate those responsible.
No one has been reported injured and door-to-door and forensic investigations continue.
There were two shootings recently in Merseyside following an incident in Aintree on Monday.
Emergency services were called to Greenwich Road, Aintree, around 8 p.m. Monday to report shots had been fired.
Police and paramedics found a man in his 20s who had been shot in the hand before being rushed to hospital.
Investigations into both incidents are ongoing. There is no indication that the two are related.
Enter your zip code below for the latest crime news where you live
Speaking about the Huyton incident, Detective Superintendent Richie Salter said: “At this point we are looking to establish exactly what happened and find those responsible and the weapon used.
“We believe it was a targeted attack and no one there reported at the time.
“If you saw or heard something on Friday around 6 p.m., or if you are aware of the issues or criminality behind this shooting and have not yet come forward, please do so, either directly. or anonymously via Crimestoppers.
“We understand the fears people have when they come forward, but your CCTV, dashcam or other information can be vital in locating those people reckless enough to fire a gun at someone’s house.
You can also download the free Liverpool Echo app on Android or IoS which you can customize to see only the types of news you want, for the areas you want.
“There has been a significant reduction in gun incidents in recent months, thanks to information from affected communities and our proactive efforts to get criminals and their guns off the streets.
“Help us keep up this good job by telling us what you know, and we’ll do the rest. We will have increased patrols in the area over the next few days to gather information and reassure the public, and we would encourage anyone with information to contact us. . ”
Anyone with any information is asked to contact our social media office on Twitter @MerPolCC or Facebook ‘Merseyside Police Contact Center’ with ref 277 from February 22.
You can also contact the independent charity Crimestoppers anonymously on 0800 555 111 or via their online form by clicking here. Always call 999 if a crime is in progress.