Interdiction: Social Capital Is a Relatively New Concept that Has Been Identified as The Key Explanatory Factor in Economically Prosperous Territorial Communities. It Is a Collection of Actual or Potential Resources That Arises as a Result of the Institutional Ties in the Context of Social Networks which Can Improve Citizens’ Life. Since These Social Relations Have a Spatial Dimension, So Too Does Social Capital. Depends on the Kind of the Ties and Interaction, Different Types of Social Capital may be existed. This In Turn May Include Different Spatial Dimensions of Social Capital. In This Regard, as Social Capital Can Have a Great Role Through Being Integrated into the concept of Neighborhood, the Context which Contained a Common Interests and Face to Face Relationships of Its Inhabitants, This Study Tries to Investigate the Level of Social Capital in Three Spatial Layers at the Community Level in Order to Recognize the Presence or Absence of Social Capital and Identify the Reasons Behind them. Method: The Research Strategy is Primarily Quantitative in Which Three Neighborhoods Has Been Chosen as Three Different Spatial Layers (Informal Settlements, Old/Central and Planned Neighborhoods) in the City of Sanandaj. Their Social Capital Have Been Investigated Through Field Survey Using a Designed Questionnaire in Summer 1391. 150 Questionnaires Were Randomly Distributed Among Residents of Each Neighborhood. The Method of Administration of the Survey Involved Face-to-Face Interviews with Residents. Data Were Analyzed Using bivariate Technique to Establish Association Between the Variable (Comparative Analysis of the Three Neighborhoods). This Involved Testing Factors Associated with Social Capital, Identifying the Key Relationships and Where There Are Differences Between the Neighborhoods. Finding: The Results of This Study Indicate That the Maximum Level of Social Capital Is in Abbas Abad (the Informal Settlement), the Average Level in Ghatarchian (Downtown) and the Mi
