One of the biggest mortgage lenders in the U.S. said it would pay $1.75 billion to buy a well-known real-estate brokerage. The deal, once it goes through, could have major consequences for millions of home buyers.

Redfin is being acquired in an all-stock transaction that values the real estate listing platform at $1.75 billion.

Rocket Cos. is pushing deeper into the property market with a deal to buy Redfin Corp. that values the real estate listing site at $1.75 billion.

Rocket Companies announced a $1.75 billion deal to acquire Redfin. The mortgage titan hopes to leverage Redfin to take market share.

Rocket Companies’ planned $1.75 billion acquisition of Seattle-based brokerage Redfin sparked questions about a potential competitive threat to fellow Seattle real estate company Zillow Group, another key player in the digital real estate arena.