The most common and most likely answer to this crossword clue is the 6 letter word REALTY
R
E
A
L
T
Y
More clues leading to the result REALTY
- Old money they shelled out for US property
- American estate in fact unable to accommodate one
- Solid truth: one is leaving lots
- Grounds for example to show female's right in fidelity
- In truth, one is lacking property
- The last Jedi protects key lands
- Land, building and some money, they will remain after he goes
Buddy explains!

The straight part
We know that "Land, building" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case land, building = realty.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does REALTY mean?
REALTY noun- Real estate; a piece of real property; land.
- The property that goes to the heirs of the deceased, as distinguished from the personalty, which goes to the executor or administrator of the estate.
- Reality
- Loyalty; faithfulness; fealty
- Royalty