Detroit's Cobo Center through the years Cobo Conference and Exhibition Center has dominated the heart of downtown Detroit since it opened in 1960. It was built by the city of Detroit and named in honor of former Detroit Mayor Albert Cobo (1950-1957). It is shown here May 20, 1962. The Detroit News archives
Remediation costs vary depending on how much and where mold exists. Figure on: 1  $500 to $4,000 to remove mold from crawlspaces only.  $2,000 to $6,000 to remove mold from ducts, crawl spaces, walls, and attics.
A simple mold removal job may cost as little as $3,000 while a larger, more complicated job may cost $15,000 to $20,000 or even more.Donât panic if youâre reading this and thinking you cannot afford to pay $20,000 for mold removal.Your mold removal job may not cost that much and itâs possible your home ownerâs insurance might even cover some of the cost. You may be able to do some of the work yourself, too, saving money in that way.actors that influence the cost of mold remediation include: 1  The size of the area affected by mold. 2  Whether or not there is mold in your heating, ventilation and air conditioning system. 3  Whether or not moldy materials can be cleaned or must be removed, safely disposed of, and replaced (like insulation, drywall or carpet).