Here's 4050 W 121st St in Zionsville, IN 46077 — not currently for sale, but I can pull up what's on file.
Here's what I have on file from county records:
17,668
Sq Ft
2022
Year Built
9.94
Acres
$4,828,100
Assessed Value
4050 W 121st St
Zionsville, IN 46077
A few places to dig deeper:

Real Estate Agent · Carmel Realty LLC
License No. RB21000235
Hamilton County assessed values for current year
Total Assessed Value
$4,828,100
Land Value
$552,300
11% of total
Improvement Value
$4,275,800
89% of total
A few similar homes that recently sold nearby:
Nearby homes on record
Other homes nearby in 46077: