Pleae check with your Cuyahoga County Auditor. They review either once or twice a year and you will need to fill out some paperwork. Contact a Realtor to help with a Comparable Market Analysis which will need to be submitted. Hope this helps!
Summit County review appeals for taxes every year, Cutoff date is March 31st to apply. I believe it doesn't open for requests until Jan 1st. I also believe that Cuyahoga County is similar. I would call the auditors office. Here is a link to the inquiry form page on their website http://fiscalofficer.cuyahogacounty.us/en-US/inquiryform.aspx
The firt quarter in is the time for tax appeals in the state of ohio. There should be a form on the county auditors site at that time that you can print and file. Be prepared to submit comparable sales to substantiate your objestion.