Sometime between Saturday 24 August and Thursday 29 August 2013, thieves broke into a property on Park Parade and took a number of items including jewellery, bank cards and four shotguns.
They also took the keys to a silver Honda Accord, which was stolen in the incident.
Officers have been conducting extensive enquiries into the burglary and are now asking the public to come forward with information that can help the investigation.
They are particularly keen to locate the stolen shotguns and urge anyone who knows where they are, or has been offered them for sale to get in touch.
Anyone who can help officers with their enquiries is urged to contact North Yorkshire Police on 101 – select option 2 – and ask for Harrogate CID.
If you prefer not to give your name, Crimestoppers can be contacted on 0800 555 111.
Please quote reference number 12130149624 when passing information about this incident.