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2005 Ratio Study for Tarrant Appraisal District Tarrant Appraisal District Operations Data The skill, accuracy and consistency of the appraisal district in valuing property within the county is measured in the Comptroller’s ratio study. A ratio of 1.00 indicates the median property is assessed at 100% of market value. A ratio of 0.95 indicates the median property is assessed at 95% of market value. The coefficient of dispersion indicates the consistency and uniformity of valuing property within the county. An appraisal district with a low coefficient of dispersion has been more accurate and uniformly consistent in valuing property than an appraisal district with a higher coefficient of dispersion. A coefficient of dispersion of 5 to 10 is considered reasonable for single-family, duplexes and fourplexes in a large metropolitan area. A coefficient of dispersion of 5 to 15 is considered reasonable for commercial properties, income properties and land in a large metropolitan area. The coefficient of dispersion for Tarrant Appraisal District is within suggested limits for single-family and is within suggested limits for commercial real estate.
DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 001
TIME: 13:55:44 2005 PROPERTY VALUE STUDY REPT: PTS427
CAD SUMMARY WORKSHEET VRSN: W
220 Tarrant
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NUMBER OF 2005 CAD REPT MED LEV COEFFICIENT % RATIOS W/IN % RATIOS W/IN PRICE-RELATED
CATEGORY RATIOS ** APPRAISED VALUE OF APPR OF DISPERSION (+/-)10% OF MEDIAN (+/-)25% OF MEDIAN DIFFERENTIAL
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A. SINGLE-FAMILY 3,025 57,750,452,259 1.00 5.12 90.97 98.51 1.01
RESIDENCES
B. MULTI-FAMILY 216 6,600,517,053 1.02 8.18 74.53 96.29 1.06
RESIDENCES
C. VACANT LOTS 68 5,005,485,422 .95 24.21 29.41 58.82 .99
D. RURAL REAL 0 4,236,510,752 * * * * *
F1. COMMERCIAL REAL 461 26,699,892,654 .98 10.79 65.07 87.85 1.00
F2. INDUSTRIAL REAL 0 1,290,653,873 * * * * *
G. OIL, GAS, 0 741,825,050 * * * * *
MINERALS
J. UTILITIES 10 7,053,381,172 1.00 15.70 70.00 90.00 1.13
L1. COMMERCIAL 289 14,888,496,812 1.02 9.18 73.70 91.00 1.03
PERSONAL
L2. INDUSTRIAL 0 3,932,244,567 * * * * *
PERSONAL
M. OTHER PERSONAL 0 250,094,999 * * * * *
O. RESIDENTIAL 0 1,503,273,084 * * * * *
INVENTORY
S. SPECIAL 0 0 * * * * *
INVENTORY
OVERALL 4,069 129,952,827,697 1.00 6.65 83.73 95.67 1.02
* NOT CALCULATED - NEED A MINIMUM OF 5 RATIOS FROM EITHER (A) CATEGORIES REPRESENTING AT LEAST 25% OF TOTAL
CAD CATEGORY VALUE OR (B) 5 ISDS OR HALF THE ISDS IN THE CAD, WHICHEVER IS LESS
** STATISTICAL MEASURES MAY NOT BE RELIABLE WHEN THE SAMPLE IS SMALL
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