[gabrielsroka]

> Wright borrowed $5,000 from one of his bosses, Louis Sullivan,[25][28][29][I] who took title to the land.[19][23] In exchange, Wright had to repay the loan within five years.[30] Excluding the land cost, Wright eventually spent $5,300, which included $1,200 from his own savings and $3,500 from Sullivan's loan.

https://en.wikipedia.org/wiki/Frank_Lloyd_Wright_Home_and_St...

[intheitmines]

According to BLS CPI data $5000 in 1889 is $182,132.07 in modern day purchasing power

[Aurornis]

That was for the original construction, which was much smaller in size. The house you see in the photos was after multiple expansions and additions as his career took off.