Real estate on blockchain is getting more and more traction. Here is a list of organizations/companies in this space, in no particular order:
Propy: Property Transactions Secured Through Blockchain
https://propy.com/
Ubiquity: Blockchain-secured platform for real estate records keeping
https://www.ubitquity.io/web/index.html
Bitcoin-realestate: World-wide buy and sell real estate
http://bitcoin-realestate.com/
REIDAO: REIDAO is a technology firm, building on the Ethereum blockchain to change and disrupt the real-estate vertical. REIDAO uses digital assets to democratise access to real estate opportunities
https://reidao.io/
IBREA: International Blockchain Real Estate Association
https://www.ibrea.network/
If you know about others, please add them in the comments.
Thanks, best,
Adina