Then usable tread depth is compared to remaining tread depth in order to calculate tread wear percentages. For example, a tire that started with 10/32 of original tread depth and has worn off 4/32 (down to 6/32 of remaining tread depth) is 50% worn.
1 If you know the census tract number: Use the IRS list of 2014 Qualified Census Tracts by county. 2  If you have a street address: Visit HUD's interactive QCT Map and enter the property address to view what Census Tract the property is located.
2. Small Area Fair Market Rents Methodology Changes. Currently, HUD calculates Small Area FMRs using a rent ratio determined by dividing the median gross rent across all bedrooms for the Small Area ZCTAs by the similar median gross rent for the parent metropolitan area of the ZIP code.