The study surveyed the level of the use of Portfolios as a method of assessment in the Faculty of Environmental Design, Ahmadu Bello University, Zaria. The study examined the lecturers’ understanding of the concept of Portfolio Assessment as well as determines the problems of using portfolios as a method of assessment. This is with the ultimate goal of establishing the need for Portfolio model in enhancing learning. Portfolios are being use but they do not provide rubric, self-reflection and portfolio model sheets. Lack of defined assessment scheme has subsequently been one of the gaps in the study. The study used two research objectives. Samples came from one hundred lecturers with ninety-three were collected. The selection was done by the use of Stratified Random Sampling technique. Experts were involved in order to scrutinize the research instruments in terms of construct and content validity. The study used Alpha Cronbach reliability Coefficient to ascertain the reliability of the research instrument that yield 0.981 for questionnaire given to the lecturers. The questions sought to expose lecturers’ understanding of the concept of Portfolio Assessment, types and variations of portfolio assessment and problems of using portfolio assessment. The findings of the study showed that portfolios were mostly used as a folder. Lecturers did not understand the concept of portfolio assessment which comprises rubric, guidelines; self-reflection and portfolio model sheets. On lecturers’ knowledge of using portfolio assessment, it showed that majority of the lecturers disagreed that portfolios are supposed to be used with rubric, reflection and portfolio model sheet. Time consumption and large class or crowdedness were also identified as threatening to assessment portfolios.