This study examined clients’ perception on the accuracy and consistency of mortgage valuation in Abuja metropolis with a view to improving the quality of mortgage valuation practice. The study adopted a quantitative approach, where data was collected using questionnaires from 52 branches commercial Banks randomly selected from the study area. The data collected were analysed using frequency distribution and mean raking for the variables. The study revealed that Valuers adopt inappropriate method of valuation, lack of access to adequate and reliable market data, respond to client influence, lack uniformity in choice of valuation input and the mode of interpreting valuation information and adopt subjective opinion against explicit calculation from market data. It was recommended that emphasis should be placed on members’ specialization in the valuation practice, latest edition of NIESV valuations standards (2019) be widely distributed and enforced and NIESV should make it mandatory for all Estate Surveyors and Valuers to submit relevant data (sales figures, rental values, outgoings, yield rates, etc) on all transactions with respect to property sales and lettings compulsorily for the purpose of building and regularly updating a data bank.