This article evaluates the impact of a land certification program on credit market outcomes in rural Vietnam. We hypothesize that the representation of property increases households' participation in formal credit markets. We compare credit market outcomes for certified and non-certified households controlling for socioeconomic and geographic characteristics, and use an instrumental variable approach exploiting a partial delay in program rollout. Certified households are more likely to borrow from formal banks with a collateral-based lending policy. There is no evidence for an effect on borrowing from formal sources without such a policy. Moreover, certified households pay lower interest rates on formal loans than non-certified households on formal and informal loans.