Sex Offenders

Find information on Iowa sex offenders and view county-wide sex offender residency restriction maps.

Sex Offenders

Information on sex offenders can be found at http://www.iowasexoffender.com/.

To register as a sex offender, you must come to the Law Enforcement Center at 17262 Lark Ave., Mason City, IA. If you have paperwork bring it with you. Official court documents are helpful.

Sex Offender Residency Restriction Maps

Implementation of the 2,000 foot rule is in effect. You can use the maps below to determine if an address is in compliance. If an address is within the red zone, it is in violation of the 2,000 foot rule.

Sex Offender Residency Restriction Maps

County Courthouse

220 N. Washington Ave.
Mason City, IA 50401
Contact · Report a Concern

Courthouse Hours

M-F 8:00 a.m. to 4:30 p.m.
Closed Holidays
Department Hours May Vary