I was attempting to park in front of a medical professional building with my foot on the brake slowly rolling between the parking lines when the car experienced sudden unintended acceleration. Although I realized the car was accelerating and lurching forward, the brake was not stopping the vehicle. The car jumped the parking curb and crashed into the building causing damage to both the exterior and interior wall of the doctor's waiting room. While neither myself, my passenger, nor any patients in the waiting room were injured, someone could have been. The air bags did not deploy, and the Collision Mitigation system did not engage preventing the collision. Damage to the vehicle consisted of mostly front bumper and grill damage. When I called the local Honda dealership service department asking if I should have them evaluate the car before having body work completed, I was told that the dealership does not accept damaged cars until the body work has been completed. Consequently, I had the car towed to a body shop even though it was technically drivable. I did not feel safe driving the vehicle fearing it would suddenly accelerate again. I reported the incident to the Honda corporate office and a case was opened. I was again told that damage to the car had to be repaired by the body shop before the car would be evaluated by Honda. When the body shop completed the repairs, I had the car towed to the local Honda dealership for evaluation. I specifically requested that the Event