This study aims to analyze the causes of price quotes below 80% of the owner estimate price and how the relationship between the variable price quotes below 80% of the owner estimate price with project performance. This research was conducted by distributing questionnaires to service users involved in the implementation of projects with price quotes below 80% of the owner estimate price in Bali Province in the 2020-2022 fiscal year. The data from the distribution of questionnaires will be analyzed using the RII and SEM-PLS methods. Based on the RII data analysis, it is found that the dominant factors causing projects with price quotes below 80% of the owner estimate price are high competitiveness between service providers, service providers looking for small profits, service providers do not understand the basis of regulations related to the cost of taxes and required guarantees, service providers are unable to identify the risk of additional costs arising from the mismatch between the planned schedule and the realization and the factor that service providers are able to understand waste construction so that service providers can submit low bid prices. The relationship between price quotes below 80% of the owner estimate price and project performance has a positive and significant relationship. Price quotes as an independent variable are able to influence the dependent variable, namely project performance. Because price quotes below 80% of the owner estimate price and project performance have a positive and significant relationship, to improve project performance, namely in a way for service providers to think more about and take into account in detail before submitting a price quote so that during the implementation of project performance can be done optimally.