taxes Property Tax Assistance

2025 Confidence Interval Detail

Webb County
240-904/Webb CISD

Category Summary

(1)
Category 		(1)
Stratum
Number 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 2 6,385,287 0.7050 9,057,145 10 179 650,268,667
A 3 7,108,720 0.9121 7,793,795 10 96 613,760,871
A 4 6,604,431 0.9553 6,913,463 9 50 754,540,796
A 5 7,565,556 1.0283 7,357,343 11 35 2,550,866,129
E 0 113,107,346 1.0420 108,548,317 20 1,081 23,508,614,719
G1 2 18,132,947 0.9995 18,142,018 10 283 895,570,083
G1 3 17,969,789 0.9992 17,984,176 10 100 2,064,755,489
G1 4 18,432,811 0.9992 18,447,569 9 55 8,549,238,457
G1 5 17,623,683 1.0005 17,614,876 8 25 88,922,281,645
Random Totals: 212,930,570 211,858,702 97 1,904
CATG D1 EXCEPTION VALUES: 32,757,766 32,702,122
CATG J EXCEPTION VALUES: 16,217,366 16,461,259
Total Test Values 261,905,702 261,022,083

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 13,051,104

Confidence Interval Values(5)

Local Test Value: 261,905,702 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 247,970,979 (State Test Value minus Margin of Error Percent)
State Upper Limit: 274,073,187 (State Test Value plus Margin of Error Percent)

Sources:
(1) See Stratified Category Worksheet Reports PTS236, PTS430
(2) Number of parcels sampled by staff
(3) Total Category Parcels from Stratification Report, Appraisal Roll, or Self-report
(4) Includes any parcels in A, B, C, D2, E, F1, G1, G2, or L1 marked as exception properties
(5) Unstudied categories and sub-categories were not included in the Confidence Interval Values