Abstract: A utility storage deck device 100 for a vehicle 200 comprises a load bearing bed cover 102, storage boxes 104, a headache rack 106, a primary deck 108 and a secondary deck 110. The load bearing bed cover 102 is configured to detachably mounted on the bed rails 112 of the vehicle 200. The storage boxes 104 are mounted to the top of the bed cover 102 on the passenger side 105a and driver side 105b, leaving space for cargo on top of the bed cover 102 between the boxes 104 to act as a secondary deck 110, while the bed cover 102 covering the space between the bed cover 102 and the OEM tailgate 114 to turn the space into a primary deck 108 to provide a secured and covered storage space. The utility deck storage device 100 that configured to detachably attach on the bed rails 112 of the vehicle 200.