Continuity: Paul Kersey boards a bus where the line number reads 990. When he gets off, the number is 99. He could not have changed buses because the number of the bus itself remains 8027 throughout.
Great sites
Mistakes
In the scene when Paul Kersey meets Geri at the rooftop Japanese restaurant, he drinks from his glass of Dom Perignon and puts his glass down on the table. When the scene changes he is again putting his glass down. See more...
Death Wish II mistakes
Other: Towards the end of the movie when Paul Kersey goes into the doctors' locker room to steal an ID tag, he checks several lockers to see if they will open. All the lockers that he tries are unfortunately locked. The problem is there are no locks on any of the lockers.
Continuity: In the scene when Paul Kersey meets Geri at the rooftop Japanese restaurant, he drinks from his glass of Dom Perignon and puts his glass down on the table. When the scene changes he is again putting his glass down.