taxes Property Tax Assistance

2021 Confidence Interval Detail

Harris County
101-912/Houston ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 29,344,456,740 0.9630 30,471,917,695 484 170,681 0.018528788
A 27,170,936,308 0.9934 27,351,455,917 490 70,647 0.010917505
A 27,215,546,058 0.9802 27,765,298,978 484 36,249 0.014158020
A 28,131,836,656 0.9887 28,453,359,620 484 14,669 0.018614906
B 7,177,249,677 0.8691 8,258,255,295 14 2,518 0.023250233
B 7,404,861,728 0.9683 7,647,280,520 13 207 0.039265098
B 6,832,995,956 1.0441 6,544,388,426 10 115 0.007137080
B 6,804,064,142 0.9893 6,877,655,051 9 73 0.003863272
C1 1,324,328,514 0.7564 1,750,830,928 61 21,605 0.113391479
C1 1,241,495,132 0.8857 1,401,710,660 58 4,406 0.021277216
C1 1,196,351,342 0.9230 1,296,155,300 32 1,340 0.022616212
C1 1,083,905,641 1.0219 1,060,676,819 10 194 0.046995914
E 356,174,704 0.6524 545,945,285 10 445 0.470239999
F1 14,267,963,249 0.8017 17,797,135,149 35 10,459 0.036118471
F1 14,206,669,879 0.9707 14,635,489,728 17 1,669 0.034946042
F1 13,797,555,258 1.0218 13,503,185,807 15 309 0.030501713
F1 12,929,097,860 1.0613 12,182,321,549 13 51 0.009656687
L1 2,476,125,112 0.9849 2,514,087,838 12 13,156 0.039838607
L1 2,361,864,560 0.9318 2,534,733,376 11 1,437 0.023749522
L1 2,360,946,224 0.9312 2,535,380,395 11 348 0.026184436
L1 2,041,330,065 0.9668 2,111,429,525 9 59 0.007930729
Random Totals: 209,725,754,805 217,238,693,861 2,282 350,637
CATG D1 EXCEPTION VALUES: 396,944 410,693
CATG J EXCEPTION VALUES: 581,653,580 643,430,441
Total Test Values 210,307,805,329 217,882,534,995

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 10,894,126,750

Confidence Interval Values(5)

Local Test Value: 210,307,805,329 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 206,988,408,245 (State Test Value minus Margin of Error Percent)
State Upper Limit: 228,776,661,745 (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