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Contact
For your convenience, here are key contacts and elected officials from each Lyon County department. Please see our Departments page for a searchable list of department services and resources. Individual department hours may vary.
Lyon County departments and offices are based at five addresses in Lyon County, though some services may be offered at additional locations within Lyon County. Please visit the department's website for specific contact information and hours.
Courthouse
206 S. 2nd Avenue, Ste 205
Rock Rapids, IA 51246
206 S. 2nd Avenue, Ste 205
Rock Rapids, IA 51246
Annex
315 1st Ave.
Rock Rapids, IA 51246
315 1st Ave.
Rock Rapids, IA 51246
Conservation
1651 180th St.
Inwood, IA 51240
1651 180th St.
Inwood, IA 51240
Law Enforcement Center
410 S. Boone St.
Rock Rapids, IA 51246
410 S. Boone St.
Rock Rapids, IA 51246
Veterans Service Office
300 S. 4th Ave., Suite 100
Rock Rapids, IA 51246
300 S. 4th Ave., Suite 100
Rock Rapids, IA 51246
Assessor
Ashley Lewis
Lyon County Assessor
Lyon County Assessor
Colette Nath
Chief Deputy Assessor
Chief Deputy Assessor
Robyn Huygens
Administrative Assistant
Administrative Assistant
Jeremy Sprock
Appraiser
Appraiser
Attorney
Amy Oetken
County Attorney
County Attorney
Karlee Nagel
Legal Assistant for District Court
Legal Assistant for District Court
Julie Joachim
Legal Assistant for Magistrate and Juvenile Court/Collections
Legal Assistant for Magistrate and Juvenile Court/Collections
Carol VanHouten
Victim/Witness Coordinator
Victim/Witness Coordinator
Auditor & Elections
Amy Sprock
Auditor
Auditor
Laurie Herman
Administrative Assistant
Administrative Assistant
Falon Huisman
Administrative Assistant
Administrative Assistant
Board of Supervisors
Douglas Vanden Bosch
Board Member (District 1 - Precinct 9,10)
Board Member (District 1 - Precinct 9,10)
(712) 470-1293
Dennis Scholten
Board Member (District 2 - Precinct 6,7,8)
Board Member (District 2 - Precinct 6,7,8)
(712) 540-1609
Cory Altena
Board Member (District 3 - Precinct 1,2)
Board Member (District 3 - Precinct 1,2)
(605) 366-0400
Jerry Birkey
Board Member (District 4 - Precinct 4,5)
Board Member (District 4 - Precinct 4,5)
(712) 739-0472
Steve Herman
Board Member (District 5 - Precinct 3)
Board Member (District 5 - Precinct 3)
(712) 261-2270
Conservation
Justin Smith
Director
Director
(712) 753-2033
Kyle Ciesielski
Operations Manager
Operations Manager
(712) 753-2313
Brandon Koel
Park Ranger
Park Ranger
(712) 753-2313
Emily Ostrander
Naturalist
Naturalist
(712) 753-2033
Jen Schemmel
Office Manager
Office Manager
(712) 753-2033
Public Health
Melissa Stillson, RN
Administrator
Administrator
(712) 472-8200
Connie Douglass
Accounting Department
Accounting Department
(712) 472-8200
Amy Caswell
Administrative Assistant
Administrative Assistant
(712) 472-8200
Caleb Hansel
Sanitarian
Sanitarian
(712) 472-8200
Sheriff
Stewart Vander Stoep
Sheriff
Sheriff
712-472-8310
Rob Ver Meer
Chief Deputy
Chief Deputy
712-472-8315
Tyler Bos
Deputy
Deputy
712-472-8312
Levi Horstman
Deputy
Deputy
712-472-8350
Michael Hilt
Deputy
Deputy
712-472-8317
Chad Klosterbuer
Deputy
Deputy
712-472-8314
William Minor
Deputy
Deputy
712-472-8316
Alex Waagmester
Deputy - S.O.R., Drug Investigator
Deputy - S.O.R., Drug Investigator
712-472-8311
Devin Miller
Deputy
Deputy
712-472-8319
Mark Dorhout
Deputy - Civil
Deputy - Civil
712-472-8318
Amy Stoner
Deputy - Detective
Deputy - Detective
712-472-8326
Treasurer
Michele Stewart
Treasurer
Treasurer
Hedy Kruger
Driver's License Examiner
Driver's License Examiner
Cheryl Bos
Chief Deputy and Motor Vehicle Deputy
Chief Deputy and Motor Vehicle Deputy
Stacy Knobloch
Tax Deputy
Tax Deputy
Jamie Kelly
Clerk
Clerk
Weed Commissioner
John Smidstra
Weed Commissioner - East of Highway 75
Weed Commissioner - East of Highway 75
John C. Van Veldhuizen
Weed Commissioner - West of Highway 75
Weed Commissioner - West of Highway 75
