What is 70 w burnside ave?

As an AI language model, I do not have access to real-time information but as per my last update, 70 W Burnside Ave is the address of the NE Portland campus of the Multnomah Education Service District (MESD) in Oregon, United States. The building houses various educational and administrative departments and programs of MESD, which provides support services to 21 school districts in Multnomah County. It is located near the intersection of NW 19th Street and W Burnside Street, in the Northwest District neighborhood of Portland.