Mark K. Janczylik

Mark K. Janczylik Date of Birth: 4/3/1958
Male/White, 5’8″, 150lbs
White hair, Brown eyes

The subject is residing at 310 Main Street, Apt. #2, Brockport, NY 14420

Subject’s Crime of Conviction:

Sexual Abuse – 1st degree: Child, less than 11 years old

The above subject is a Level 3 Sex Offender as described in the New York State Sex Offender Registry Act (SORA). This means that the New York State Division of Criminal Justice Services has determined the risk to the community is high.

In accordance with the Act, the Brockport Police Department is disseminating the preceding information about this subject to entities with vulnerable populations.

Additional information about the N.Y.S. Sex Offender Registry can be obtained by calling
1-800-262-3257, or through the Internet at

Please Note: No additional information can be released regarding this offender.

Any questions regarding this notification please contact:
Brockport Police Department
One Clinton Street
Brockport, N.Y. 14420
Phone: (585) 637-1020
Date Posted: August 26st, 2023

Brockport Police Dept.

One Clinton Street
Brockport, NY 14420

Phone Numbers:

911 within Monroe County
585-637-1020 ext. 8
outside Monroe County
Records 585-637-1020

Administrative Office Hours

Monday – Friday 9AM – 4PM

It is the mission of the Brockport Police Department to provide unequivocal, and indispensable law enforcement service to the Brockport Community by providing guidance, protecting life and property, keeping the peace, ensuring justice, upholding the law and preserving Democracy. We will continuously strive for excellence, through our dedication and commitment and we will treat all those we interact with in the same manner we, ourselves, want to be treated.