In essence, this is a type of municipal bond that is repaid by taxes collected from those who are appreciating (hopefully) the development or service that the project was funded for. An assessment bond is also sometimes referred to as a special purpose bond since the projects that they often fund are for the good of the community. An example; A local community sees their local facilities improved and a recreation facility produced. This not only increases the value of their homes as their neighbourhood sees a rise in value, it benefits them as individuals. However, with increased value come increased taxes, which of course are used to fund the project in the first place.