| Improvement Any form of land development or man-made addition, such as the erection of a building or fence, to enhance the value of private property; also an improvement to publicly owned structures, such as a sewer or road. |
| Inspection The act of physically examining and testing a piece of property to ascertain certain information. |
| Installment payment Periodic payment, usually monthly, of interest and principal on a mortgage or other loan. |
| Interest A fee paid for the use of money; also a share or right in something. |
| Interim financing Short-term loan usually made during the construction phase of a building project or until a permanent, long-term loan can be obtained. Also called a construction loan. |