2011 ORS § 164.365¹
Criminal mischief in the first degree

(1) A person commits the crime of criminal mischief in the first degree who, with intent to damage property, and having no right to do so nor reasonable ground to believe that the person has such right:

(a) Damages or destroys property of another:

(A) In an amount exceeding $1,000;

(B) By means of an explosive;

(C) By starting a fire in an institution while the person is committed to and confined in the institution;

(D) Which is a livestock animal as defined in ORS 164.055 (Theft in the first degree);

(E) Which is the property of a public utility, telecommunications carrier, railroad, public transportation facility or medical facility used in direct service to the public; or

(F) By intentionally interfering with, obstructing or adulterating in any manner the service of a public utility, telecommunications carrier, railroad, public transportation facility or medical facility; or

(b) Intentionally uses, manipulates, arranges or rearranges the property of a public utility, telecommunications carrier, railroad, public transportation facility or medical facility used in direct service to the public so as to interfere with its efficiency.

(2) As used in subsection (1) of this section:

(a) Institution includes state and local correctional facilities, mental health facilities, juvenile detention facilities and state training schools.

(b) Medical facility means a health care facility as defined in ORS 442.015 (Definitions), a licensed physicians office or anywhere a licensed medical practitioner provides health care services.

(c) Public utility has the meaning provided for that term in ORS 757.005 (Definitions) and includes any cooperative, peoples utility district or other municipal corporation providing an electric, gas, water or other utility service.

(d) Railroad has the meaning provided for that term in ORS 824.020 (Definitions for ORS 824.020 to 824.042).

(e) Public transportation facility means any property, structure or equipment used for or in connection with the transportation of persons for hire by rail, air or bus, including any railroad cars, buses or airplanes used to carry out such transportation.

(f) Telecommunications carrier has the meaning given that term in ORS 133.721 (Definitions for ORS 41.910 and 133.721 to 133.739).

(3) Criminal mischief in the first degree is a Class C felony. [1971 c.743 §147; 1973 c.133 §6; 1975 c.344 §1; 1979 c.805 §1; 1983 c.740 §33a; 1987 c.447 §104; 1987 c.907 §10; 1989 c.584 §2; 1991 c.837 §13; 1991 c.946 §2; 1993 c.94 §1; 1993 c.332 §3; 1999 c.1040 §11; 1999 c.1093 §2; 2003 c.543 §4; 2009 c.16 §6]