Design Cost Data is the cost estimating magazine for design and construction, and is the largest provider of historical construction cost for the purpose of preliminary cost estimating and cost modeling in America.Established in 1958, DCD is unique among publications servicing the construction marketplace as architects, specifiers, builders, and developers use DCD and the actual construction costs it publishes as benchmarks for preliminary cost estimating.With the Conceptual Estimator app, DCD subscribers get access to a database of over 1,800 actual projects with fully broken-out costs by CSI Division. They can use this app for early construction budgets, cost modeling, estimate validation and more.