Year built data for parcels in tax year 2011

process: a copy of paregion on 1/11/2010 - joined agains two assessors tax year 2011 tables, to get the year built data

http://www.asr.pima.gov/prevweb/ftp/ty2011.aspx

MAS - residential data

COST - commercial data

Any parcels without year built data were deleted.

The range is based off the year build field - the groupings are useful for historical determinations

This feature class should be created at the beginning of each tax year.