BlackRock Taxable Municipal Bond Trust is a closed-end management investment company. The Trust's primary investment objective is to seek high current income, with a secondary objective of capital appreciation. The Trust seeks to attain its investment objectives by investing in a portfolio of taxable municipal securities, including Build America Bonds, issued by state and local governments to finance capital projects such as public schools, roads, transportation infrastructure, bridges, ports and public buildings. The Trust also maintains its other investment policies, including its ability to invest up to 20% of its managed assets in securities other than taxable municipal securities.