The voluntary infrastructure loan program is similar to other programs the City offers (such as the Urban Electrification program): The amount will be added to your property taxes and amortized over 15 years at the best interest rate the City can secure at the time. The interest rate will be fixed at the time of borrowing, and it will not change. The City will provide a very conservative estimated interest rate to show what the annual amounts might be, but when the best rate is secured, that will be the rate you pay, not the estimated rate. Historically, the actual fixed interest rate has been much lower than the estimated rate. You can also choose to pay the entire amount immediately (no interest) or pay it down in lump sums annually. The amortized amounts will be applied to your annual property taxes and paid however you pay your taxes.