This study determined the administrative staff rating of the adequacy of accommodation in tertiary institutions in Yobe State. Two research questions guided the study and two null hypotheses were tested at 0.05 level of significance. The design of the study was descriptive survey. Population of the study was 1,032 administrative staff of federal and state tertiary institutions in the study area. A proportionate sampling was used to select a sample size of 310 administrative staff. A structured questionnaire containing 15 items validated by three experts was used for data collection. Cronbach alpha method was used to establish the internal consistency of the instrument. Correlation coefficients of 0.83 and 0.81 for two clusters (B1 and B2) with an overall coefficient of 0.82 were obtained.Two hundred and ninety eight duly completed copies of the instrument were retrieved and used for data analysis. Mean and standard deviation were used to answer the research questions and to determine the homogeneity of the respondents’ ratings while the t-test was used to test the hypotheses. Findings revealed that administrative staff of tertiary institutions in Yobe State rated office accommodation and conveniences in their offices lowly adequate. The findings also showed that ownership of tertiary institution was a significant factor on the mean ratings of administrative staff on the adequacy of accommodation while ownership of tertiary institution significantly did not influence their mean ratings on the adequacy of conveniences provided in their offices. Based on the findings, the researcher concluded that researcher concluded that there is need to improve the provision of office accommodation and conveniences in tertiary institutions in Yobe State, Nigeria. It was recommended among others that, administrators of tertiary institutions in Yobe State should collaborate more with private sectors in the areas of office accommodation and conveniences provision. This will encourage the private sectors to support the universities by providing some of these infrastructures to the institutions.