What is "Commercial Express" from Corel CoreLogic Commercial Express is a web-based cost estimating service that has become the "standard' in estimating the "Replacement Cost" of improvements in the business of Insurance Appraisals. A Master List of "Codes" from CoreLogic is available to guide the appraiser. For example, Code 1335 is defined as "Condominium, w/o Interior Finishes". Marshal Valuation Service Manual For the last (40) plus years, real estate appraisers have relied on a (7) ring binder from the Marshall Valuation Service to estimate the "Replacement Cost" of buildings and site improvements. Subscribers pays $600 per year to receive monthly updates which are inserted into the 30" wide binder. Every conceivable improvement from high rise office buildings to various site components such as lighting & fencing is included. CoreLogic purchased the Marshall Valuation Service and it's database whi