The Summerville Police Department is investigating the theft of a utility trailer that was reported on Monday of this week.  Police say that the complainant told them the trailer was stolen from Roseway Drive.  The serial number of the trailer was 5TJSSU081498020941 and the trailer had a tag number of TL4D153.  The 4×8 utility trailer was valued at $1500 and was entered into the statewide data base as being stolen.  The incident is under investigation.