As the deputy checked the business around 11 p.m. Wednesday, he observed a van backed up to one of the units.
Seeing the patrol car, the couple attempted to leave.
A male passenger got out of the vehicle and attempted to flee on foot, but was apprehended and identified as Edward Allen Pitcock, 43, of Spearfish Lane.
The female driver was also placed in custody. She is Rhonda Pitcock, 41, of 15th Street.
The suspects had placed in the van a toolbox containing both power and hand tools and a battery charger.
The items were later identified by the owner as property that was stored in the unit.
All of the items were recovered and have a value in excess of $12,000
Both are charged with burglary and theft over $10,000, with bonds of $35,000 each.