Expositor's Bible Commentary Commentary Mark 11:4

"And they went away, and found a colt tied at the door without in the open street; and they loose him." — Mark 11:4 (ASV)

The disciples found the colt as Jesus had told them and carried out his orders to the letter. The people (the owners? see Lk 19:33) did not object to the disciples’ taking the colt because apparently they knew Jesus and recognized his authority.