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.
National average costs for an attic remodel. According to Remodeling Magazine, the national average cost of an attic bedroom conversion is $49,438, and has a resale value of $41,656, making the cost versus value 84.3%.This return on investment is a growing trend. Although it peaked in 2005 at 93.5%, the cost versus value dipped to 72% during 2010 â 2013.ccording to Remodeling Magazine, the national average cost of an attic bedroom conversion is $49,438, and has a resale value of $41,656, making the cost versus value 84.3%.