How much does it cost to do a mold remediation? According to MoldRemediationCost.com it can cost from only $500 to upwards of $30,000 to tackle a mold remediation project. This all depends upon the size of the area and the level of mold infestation present.
In these cases there would be no statute of limitations on how long you had to have kept your records.. Tax returns and supporting documents: At the minimum, keep them three years. I am becoming more inclined to say that all records should be kept for a minimum of seven years after their appearance on a tax return.
According to the IRS, hereâs how long you should keep those records: Permanently: 1  general ledgers and journals. 2  payroll records, including W-2s, 940s, 941s.3  year-end financial statements.4  tax returns and supporting documents. 5  articles of incorporation, bylaws, meeting minutes, etc. 6  retirement plan records.ost business owners donât know how long they should hold on to old records. According to the IRS, hereâs how long you should keep those records: Permanently: 1  general ledgers and journals. 2  payroll records, including W-2s, 940s, 941s. 3  year-end financial statements. 4  tax returns and supporting documents.