taxes Property Tax Assistance

2025 Confidence Interval Detail

Webb County
240-901/Laredo ISD

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 2 509,583,458 0.8831 577,039,359 38 5,869 1,644,919,977
A 3 518,032,981 1.0101 512,853,164 26 4,176 1,506,758,256
A 4 560,119,642 0.9649 580,495,017 30 3,393 1,363,391,420
A 5 589,059,204 1.0847 543,061,864 38 2,249 16,127,275,311
B 2 105,379,540 0.7972 132,187,080 13 467 7,329,474,942
B 3 85,520,246 0.9005 94,969,735 12 228 19,541,975,368
B 4 80,182,006 0.8900 90,092,142 10 124 49,857,011,620
B 5 78,427,871 0.9946 78,853,681 10 53 2,416,787,670,492
F1 2 255,919,928 0.9914 258,139,931 15 1,040 13,442,236,097
F1 3 244,251,158 0.9709 251,571,900 15 397 51,804,290,576
F1 4 247,983,808 0.8518 291,129,148 15 172 819,053,824,975
F1 5 283,988,509 0.9338 304,121,342 15 27 1,414,476,257,216,056
L1 2 50,220,066 0.9202 54,575,164 10 669 6,149,489,612
L1 3 49,987,673 0.9820 50,903,944 10 149 18,343,236,987
L1 4 57,165,986 0.8479 67,420,670 10 60 314,341,329,000
L1 5 60,615,226 0.9829 61,669,779 5 9 130,316,047,737,259
Random Totals: 3,776,437,302 3,949,083,920 272 19,082
CATG D1 EXCEPTION VALUES: 602 637
Total Test Values 3,776,437,904 3,949,084,557

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 197,454,228

Confidence Interval Values(5)

Local Test Value: 3,776,437,904 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 3,751,630,329 (State Test Value minus Margin of Error Percent)
State Upper Limit: 4,146,538,785 (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