A parking sensor and observation system for a vehicle, including: an elongated housing, wherein the housing has a front side with first to third openings and a back side with an elongated opening, the first and third openings are adjacent to opposite ends of the housing, the second opening is located at a center portion of the housing; a first parking sensor disposed within the housing and having its proximity detector disposed in the first opening; a second parking sensor disposed within the housing and having its proximity detector disposed in the third opening; a camera disposed within the housing and having its lens disposed in the second opening; and a backing plate disposed at the back side of the housing to seal the elongated opening.