https://geoarrow.org/data
The Microsoft U.S. Building Footprints data set is a collection of ~130 million polygon outlines of buildings derived from satellite imagery. The version of the data set in this repository is does not include Alaska or Hawaii, is repackaged as a single point for each building, and compressed using ZSTD compression to minimize file size and facilitate downloading.
The original data is licensed under the Open Data Commons Open Database License (ODbL) and is made available here under the same license.