REDUCE TAXES. Cost Segregation Advisor (CSA) helps Commercial property Owners reduce federal taxes by accelerating property depreciation. You can save potentially hundreds of thousands of dollars using an IRS-sanctioned process that has been on books since 1997. Helps clients identify and separate real and personal building components, moving personal components from 39 years to 5, 7 or 15 years. Service applies to new construction, existing facilities, renovations and recent acquisitions.