The increasing of earthquake vulnerability in Padang City based on earthquake zoning map demanded preparedness from the community. To ensure that the house is built in accordance with the concept of the non-engineered house, so it is more secure and minimizes the risk of casualties and losses caused by the earthquake. For the people who live in disaster-prone regions, it is important to build social capital in disaster preparedness, not just on technical issues. Technical factors are not enough to educate the community, besides it requires non-technical factors that may play a significant role in disaster reduction in the community. This study intends to identify the social capital factor that is needed in the application of earthquake-resistant housing concept in the implementation of non-engineered house construction as an effort to reduce disaster risks by the community. Social capital is identified from the relationship of homeowners with builders implementing the construction of the non-engineered house. The research location was conducted in Padang city of West Sumatera Province. Through this research, it is hoped that in the future, it will produce social-related policies that help local governments to encourage the increase of public awareness in realizing the construction of non-engineered houses.