Happiness Village Project (HVP) by Jeollanamdo is one of the representative cases to increase Hanok in recent Korea. This paper appears the characteristics of housing system in HVP, using interviews with contractors, carpenters, architects, lumber mills among others. Most contractors are small-scale and are established after 2000s. At the beginning of HVP, many Hanok were designed by contractors and carpenters, and architects only draw plans for application. However, as the increase of Hanok, contractors and architects were selected and construction costs and design fee are rising. Additionally, lumber supply chains are changing from conventional one.