A business in the York Eco Centre, in Amy Johnson Way, Clifton Moor, was broken into at about 9.30pm on Christmas Eve (Tuesday, December 24), North Yorkshire Police said.
The force has not named the business involved.
A spokesperson urged any witnesses or those with CCTV footage that could help the police investigation to get in touch with the force.
Those who can help are asked to contact PC 1603 Swift at York Initial Enquiry Team on 101 quoting 12240234920.
