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Statewide Coefficients of Dispersion
1990 through 2000 Property Value Studies
The table below compares the statewide coefficients of dispersion from the 1990 to 2000# Property Value Studies. The statewide coefficient of dispersion for an individual property category was calculated using the appraisal ratios of all Property Tax Division sample properties in that category from across the state. The overall statewide coefficient of dispersion was calculated using the appraisal ratios for all sample properties.
Property Category 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 Prel.
2000
A. Single-family Residential 13.84 14.11 13.12 12.93 10.74 12.11 11.36 11.06 9.68 9.23 10.39
B. Multifamily Residential 11.73 13.27 10.84 12.66 8.38 10.06 8.43 7.71 7.34 7.63 8.43
C. Vacant Lots 21.57 23.16 22.66 22.01 19.27 18.21 19.86 17.10 15.17 13.68 15.15
D. Acreage (market value) 16.90* 15.98* 15.50* 16.31* 18.49* 14.92* 14.60* 15.62* 16.09* 14.51* 15.46*
E. Farm & Ranch Improvements * * * * * * * * * * *
F1. Commercial Real 16.54 15.58 15.80 14.38 12.59 13.28 11.34 11.01 10.51 10.59 10.89
F2. Industrial Real ** ** ** ** ** ** ** ** ** ** **
G. Oil, Gas & Minerals 11.00 12.94 9.41 11.20 13.01 12.61 18.95 4.85 7.38 20.52 7.41
J. Utilities 20.50 20.38 17.28 14.18 14.35 12.50 12.40 10.76 9.64 12.78 12.50
L1. Commercial Personal 18.09 17.54 16.36 10.83 8.14 11.95 20.73 11.20 9.24 7.52 8.40
L2. Industrial Personal ** ** ** ** ** ** ** ** ** ** **
M. Other Personal 14.59 17.19 ** ** ** ** ** ** ** ** **
O. Residential Inventory 14.51 13.84 ** ** ** ** ** ** ** ** **
OVERALL 16.73 16.18 14.58 13.97 12.86 13.17 13.47 11.64 10.86 11.79 11.81
# Preliminary
* Beginning in 1989, taxable values for Farm & Ranch Improvements (formerly Category E) were merged into Category D. with Acreage (market value).
** Two few sample observations were available to product meaningful statwide coefficients of disperson for these properties.