Ottawa County Business, Finance, & Real Estate Offices

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Ottawa County Assessor Office

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Ottawa County Auditor's Office 315 Madison Street Port Clinton OH 43452 419-734-6740


Ottawa County Building Department

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Danbury Township Zoning 5972 Port Clinton Eastern Road Marblehead OH 43440 419-734-6120

Portage Township Zoning 2501 East State Road Port Clinton OH 43452 419-734-7296


Ottawa County Chamber Of Commerce

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Chamber of Commerce 110 Madison Street Port Clinton OH 43452 419-734-5503

Chamber of Commerce 178 West Water Street Oak Harbor OH 43449 419-898-0479

Genoa Ohio Chamber of Commerce PO Box 141 Genoa OH 43430 419-855-7761

Marblehead Peninsula Chamber of Commerce 5681 East Harbor Road Marblehead OH 43440 419-734-9777

Put-in-Bay Chamber of Commerce & Visitors Bureau 148 Delaware Avenue Put-in-Bay OH 43456 419-285-2832


Ottawa County Recorder Of Deeds

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Ottawa County Recorder of Deeds 315 Madison Street Port Clinton OH 43452 419-734-6730


Ottawa County Treasurer & Tax Collector Office

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Ottawa County Treasurer 315 Madison Street Port Clinton OH 43452 419-734-6750