taxes Property Tax Assistance

2025 Confidence Interval Detail

Harris County
101-919/Spring 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 3,076,832,865 0.9841 3,126,544,929 151 14,798 782,209,198
A 3 3,208,940,915 0.9921 3,234,493,413 151 12,990 673,820,446
A 4 3,058,101,934 1.0096 3,029,023,310 149 10,664 1,266,226,134
A 5 2,866,434,070 1.0065 2,847,922,573 140 7,254 18,050,878,423
B 2 629,686,568 0.9505 662,479,293 10 48 14,119,167,438,108
B 3 602,633,393 0.9752 617,958,771 9 27 41,430,707,795,375
B 4 520,374,073 0.9762 533,060,923 7 14 95,706,744,591,338
B 5 398,773,982 1.0820 368,552,664 5 7 37,740,610,228,356
C1 2 106,589,218 0.9950 107,124,842 10 643 7,730,491,401
C1 3 111,098,160 0.9170 121,153,937 11 139 49,808,507,230
C1 4 91,984,324 0.9798 93,880,714 10 54 420,372,048,362
C1 5 104,734,274 1.0008 104,650,554 9 25 7,648,784,458,764
F1 2 1,268,769,599 0.8246 1,538,648,556 15 786 960,571,243,148
F1 3 1,366,963,345 0.8559 1,597,106,373 16 277 5,762,390,102,047
F1 4 1,378,649,500 0.8604 1,602,335,542 11 95 13,790,726,941,104
F1 5 1,297,853,503 1.0485 1,237,819,268 8 21 3,053,311,155,651,721
L1 2 294,521,474 1.0142 290,397,825 11 1,242 129,721,488,210
L1 3 282,671,007 1.0139 278,795,746 10 146 1,378,296,902,291
L1 4 316,709,296 0.9904 319,779,176 10 38 63,375,171,552,197
L1 5 374,937,083 0.9907 378,456,731 5 9 1,030,697,437,906,555
Random Totals: 21,357,258,583 22,090,185,140 748 49,277
CATG D1 EXCEPTION VALUES: 289,388 281,001
CATG J EXCEPTION VALUES: 151,295,900 160,620,872
Total Test Values 21,508,843,871 22,251,087,013

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 1,112,554,351

Confidence Interval Values(5)

Local Test Value: 21,508,843,871 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 21,138,532,662 (State Test Value minus Margin of Error Percent)
State Upper Limit: 23,363,641,364 (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