taxes Property Tax Assistance

2025 Confidence Interval Detail

Walker County
236-902/Huntsville 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 2 802,584,707 0.9956 806,131,686 73 5,249 4,058,746,908
A 3 881,718,509 0.9951 886,060,204 74 3,366 2,064,222,745
A 4 836,151,461 0.9800 853,215,777 65 2,180 6,719,845,420
A 5 876,747,482 0.9799 894,731,587 42 1,265 65,655,952,363
B 2 145,653,590 0.9933 146,636,052 10 151 4,422,930,910,007
B 3 175,304,750 0.9065 193,386,376 6 16 48,142,392,032,384
B 5 172,043,538 1.0312 166,838,187 3 6 77,149,627,774,185
C1 2 93,299,123 0.9091 102,628,009 41 1,852 1,972,519,128
C1 3 82,292,309 1.0655 77,233,514 12 659 1,266,499,615
C1 4 74,794,601 0.9075 82,418,293 11 429 5,168,153,242
C1 5 94,885,676 0.9862 96,213,421 10 263 7,995,662,125
E 0 531,505,760 0.9659 550,269,966 20 2,375 94,600,823,596
F1 2 171,682,892 0.9623 178,408,908 10 410 39,268,203,985
F1 3 176,301,170 0.8982 196,282,754 11 146 422,690,203,222
F1 4 190,697,308 0.9708 196,433,156 9 61 3,248,213,448,291
F1 5 184,483,745 0.9790 188,441,006 7 20 18,043,534,353,855
Random Totals: 5,490,146,621 5,615,328,896 404 18,448
CATG B EXCEPTION VALUES: 112,265,334 125,758,884
CATG D1 EXCEPTION VALUES: 35,578,869 26,825,386
CATG J EXCEPTION VALUES: 827,609 850,094
Total Test Values 5,638,818,433 5,768,763,260

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 288,438,163

Confidence Interval Values(5)

Local Test Value: 5,638,818,433 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 5,480,325,097 (State Test Value minus Margin of Error Percent)
State Upper Limit: 6,057,201,423 (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