Background: Antenatal care (ANC) is the continuous care that is accorded to women in the course of pregnancy. Notably, antenatal care is an efficient health intervention aimed at inhibiting maternal mortality and morbidity majorly in areas where women have poor health. This study therefore assessed the facility related factors that influence utilization of ANC at Saku sub-county, Kenya. Methods: This research applied descriptive cross sectional study design. The study was carried out in Saku Sub County in the following randomly selected health facilities: Marsabit County Referral Hospital, Dakabaricha Dispensary and Jirime Dispensary. The study population comprised of post-natal mothers aged between 15-49 years seeking services at maternal and child health clinic (MCH) in Saku Sub County. The Cochran's Sample Size Formula was used to calculate a sample size of 154 respondents. The study employed a researcher- administered semi-structured questionnaire and use of focused group discusions. Descriptive statistics, chi-square tests and logistic regression were used in the analysis. Results: Majority 89.6% (n=133) stated that the health-care facilities and health care personnel were fairly neat during the ANC visit. 90% (n=148) of the respondents did not report delay during ANC visits. 42% (n=65) of the healthcare providers were friendly. 97.4 % (n=150) stated that privacy was maintained during ANC visits. 63% (n=97) stated that the distance to the health facility was below five (5) kilometer.30.5% (n=47) used between three and four hundred shillings as fare when going for ANC clinics. Conclusion: Among Facility related factors, none was statistically significantly associated with utilization of ANC Services.