Fairfax County Crimesolvers said the suspects also attempted to ignite the building but were unsuccessful.
Town of Herndon Police and Fairfax County Fire and Rescue were called to the businesses at 850 Station Street in Herndon about 5 a.m. on Sunday.
Nearby residents reported hearing a loud explosion, authorities said.
An investigation determined the fire was intentionally set near several vehicles and the building’s exterior. The vehicle was destroyed.
Anyone with information on the fire or the suspect(s) responsible is asked to contact Fairfax County Crime Solvers. Tipsters may submit a tip electronically by visitingwww.fairfaxcrimesolvers.org or text-a-tip by texting “TIP187” plus your message to CRIMES(274637)** or by calling 1-866-411-TIPS(8477).
A $100 to $1,000 cash reward will be paid for information that leads to an arrest and indictment. As always, callers never have to give their names or appear in court.