At compile time DefaultValueAttribute won't influence the generated IL and it won't be browse to initialize the property to that price (see DefaultValue attribute just isn't dealing with my Car Property). Whenever you inline an initial price for a variable It's going to be done implicitly from the constructor anyway. https://maxestatesgurgaon.fashion.blog/2025/03/28/trinity-sky-palazzos-gurgaons-luxury-benchmark/