Mass. Gen. Laws ch. 266 § 126B
Whoever sprays or applies paint or places a sticker upon a building, wall, fence, sign, tablet, gravestone, monument or other object or thing on a public way or adjoined to it, or in public view, or on private property, such person known or commonly known as "taggers" and such conduct or activity known or commonly known as "tagging", or other words or phrases associated to such persons, conduct or activity, and either as an individual or in a group, joins together with said group, with the intent to deface, mar, damage, mark or destroy such property, shall be punished by imprisonment in a house of correction for not more than two years or by a fine of not less than fifteen hundred dollars or not more than three times the value of such damage to the property so defaced, marked, marred, damaged or destroyed, whichever is greater, or both fine and imprisonment and shall also be required to pay for the removal or obliteration of such "tagging" or to obliterate such "tagging"; provided, however that when a fine is levied pursuant to the value of the property marred, defaced, marked, damaged or destroyed or where the cost of removal or obliteration is assessed the court shall, after conviction, conduct an evidentiary hearing to ascertain the value of the property so defaced, marked, marred, damaged or destroyed or to ascertain the cost of the removal or obliteration. A police officer may arrest any person for commission of the offenses prohibited by this section without a warrant if said police officer has probable cause to believe that said person has committed the offenses prohibited by this section.
Mass. Gen. Laws ch. 266, § 126B