The growing use of internet is changing the consumer buying behavior. The existence of internet arising the chance of business, like online property website. Online property website helps the customers to look for property easily and faster. This purpose of this study to explore the perceived risk, trust, and information seeking behavior of online property buying behavior on generation X in Indonesia and customer's internet experience as moderate variable. The study was conducted on 100 respondents who are Generation x and have ever searched property by online using SmartPLS 3.0 program. Nonprobability sampling, specifically convenience sampling is used to collect the data. This study finds that trust and information seeking behavior has significant influence on online buying behavior. Unfortunately, perceived risk have no influence with online buying behavior. While the moderating variable has significant effect on online buying behavior even though has weakened the relation between trust and the online buying behavior variable.