What are the violation fee FOR CROSSWALK IN MASS?

Crosswalks cannot be assessed penalties, Only pedestrians or drivers can be assessed penalties. Are you asking about a driver blocking a crosswalk? Failing to stop for a pedestrian in a crosswalk? A pedestrian not using a crosswalk to cross a street? (Hardly ever ticketed in Mass.)

Go here:

http://www.mass.gov/courts/courtsandjudges/courts/districtcourt/cmviassess.pdf