At Compile time DefaultValueAttribute will never effects the generated IL and it won't be read to initialize the property to that price (see DefaultValue attribute is just not dealing with my Auto Property). If you at any time should change the underlying implementation you are still cost-free to refactor them https://www.tumblr.com/aipljoydistrict/783498009057132544/experience-elegant-living-at-jms-floors-manesar?source=share