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An apartment web service is a web site intended to provide online services to the residents. With the availability of global positioning systems and the development of new technologies, the access of geo-spatial information has drawn great attention for information retrieves. This research is focused on developing an online service for an apartment to provide geospatial information. In this paper, a fuzzy spatial querying model under uncertainty is used to improve spatial querying. An inexact inferring with the certainty factor is investigated. An online spatial database for an apartment is implemented by utilizing PHP with MySQL database. Demonstration shows that the system can provide visitors with the amount of significant geo-spatial information about the apartment. Moreover, fuzziness and uncertainty are mainly concerned. Querying examples are provided.