The study examines households' willingness to pay for fluoride-safe water service connection in the Rift Valley Region of Ethiopia. The open-ended, contingent valuation, elicitation survey was used to estimate the values of fluoride safe water service connection (FSWSC) at home and at the nearest public tap. Using an Ordinary Least Square method, the estimated willingness to pay (WTP) for 2 m3 of fluoride safe water consumption connected at home is valued at USD 13.70 and that at the nearest public tap is valued at USD 6.84 per month. Considering the censored Tobit Model, the estimated WTP for 2 m3 of FSWSC at home is valued at USD 13.45 and that at the nearest public tap at USD 6.54 per month. The income share of households' WTP for fluoride-safe water service consumption per month ranges from 8 percent to 16 percent. In addition, the benefit cost ratio analysis for the FSWSC to a nearest public tap and at home is 5.31 and 10.93 respectively, showing that fluoride-safe water supply is economically feasible. Factors such as perceptions about the quality of water, degree of dissatisfaction with available water service, education level of households, ownership of the house, and the number of children less than 5 years of age are found to have positive significant influence on households' WTP. On the contrary, age of the respondents, water bill, gender (being male), and location of the participant those in Adama and Lume reveals negative significant influences on households' WTP. The overall policy implications are that government needs to mobilize fund from the residents, invite the private sector or operate with public private partnership mode, and install community based fluoride safe public taps at large to bridge the unmet fluoride safe water demand gap.