Depending on several factors, including the size and structure of the website, the regularity of upgrades, and the required degree of maintenance, the price of website maintenance can differ greatly. Website maintenance costs can vary widely from one business to the next, with some charging by the hour while others require a regular, monthly subscription fee. The cost to maintain a website often ranges from several hundred to several thousand dollars monthly, however, this number will vary greatly from one business to another, so contact a company that interests you for more information on pricing.