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Lyon County Courthouse
206 S. 2nd Ave.
Rock Rapids, IA 51246
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Lyon
County • Iowa

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

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Labor Day (September 7, 2026)
Christmas Eve-Office's Close at 12:00 PM (December 24, 2026)
Christmas Day (December 25, 2026)