If your business occupies substantial space and needs to increase or move from that space in the future, you should keep the rehabilitation tax credit in mind. This is especially true if you favor historic buildings. The credit is equal to 20% of the qualified rehabilitation expenditures (QREs) for a qualified rehabilitated building that’s also a certified historic structure. A qualified rehabilitated building is a depreciable building that has been placed in service before the beginning of the rehabilitation and is used, after rehabilitation, in business or for the production of income (and not held primarily for sale). Additionally, the building must be “substantially” rehabilitated, which generally requires that the QREs for the rehabilitation exceed the greater of $5,000 or the adjusted basis of the existing...