Nothing was stolen in any of the break-ins, but the suspect often entered through the roof or skylight of the establishment, police said.
On March 29 about 8 p.m., the suspect unsuccessfully tried to slip into Exit One Realty, 91-06 63rd Drive, through the roof, police said. He failed but damaged the roof in the process.
Later that same night, the suspect successfully broke into the adjacent East Star Medical Center, 91-10 63rd Drive, also using the roof, police said.
Then, on March 30, the suspect got in through the skylight of Shalimar Diner, 63-38 Austin St., police said. He tried but failed to get into the restaurant's cash register, police said.
In an earlier incident, on March 27 about 7:30 a.m., the suspect tried to break into a medical center at 91-10A 63rd Drive, through the front door and vestibule, police said.
Police described the suspect as a man in his 20s, about 5-foot-8. He was last seen wearing a baseball cap and a white jacket with a logo on the back, police said.
Anyone with information in regard to this incident is asked to call Crime Stoppers at 1-800-577-TIPS (8477). The public can also submit their tips by logging onto the Crime Stoppers website at WWW.NYPDCRIMESTOPPERS.COM or by texting their tips to 274637 (CRIMES) then enter TIP577. All calls are strictly confidential.