Asked nostr:npub1djh0dle9f4txy8qyn59zkd68n8r8c9d8zupz8csxn7t98340q52svdt7xs on twttr and he said:

@realSandySV

You can also contact @romanmartinezc he has tons of real estate knowledge and contacts plus I think he does some stuff in real estate in El Salvador

Also you can try @DivineSolarSLV and @BitcoinShooter may have some contacts too