The $700 million investment will be led by SoftBank's Vision Fund and will pull Katerra's total equity capital past $2 billion, the Information reported, citing people familiar with the matter.
Katerra declined to comment on the matter, while SoftBank was not immediately available to comment.
SoftBank's technology-focused Vision Fund has multi-billion-dollar investments in U.S. companies, including WeWork and Uber.
Last year, SoftBank had also led Katerra's $850 million Series D round of financing.
(Reporting by Mekhla Raina in Bengaluru; Editing by Gopakumar Warrier)