taxes Property Tax Assistance

2025 Confidence Interval Detail

Harris County
101-914/Katy 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 5,834,320,446 0.9802 5,952,173,481 251 22,367 1,070,517,276
A 3 5,490,604,260 0.9918 5,535,999,456 248 17,218 1,021,225,018
A 4 5,511,656,566 1.0068 5,474,430,439 250 14,123 2,975,275,314
A 5 6,355,470,070 0.9881 6,432,011,001 251 9,977 112,040,311,818
B 2 1,078,736,154 0.8937 1,207,045,042 8 38 188,846,012,706,416
B 3 989,261,756 0.9250 1,069,472,169 8 22 22,958,751,354,911
B 4 636,537,744 0.9122 697,805,025 7 12 16,171,688,140,195
B 5 1,226,535,190 0.9411 1,303,299,532 8 18 202,284,488,139,538
C1 2 180,975,584 0.8323 217,440,327 11 600 59,860,642,004
C1 3 151,934,208 0.9892 153,593,013 11 97 825,164,573,980
C1 4 194,395,857 0.9769 198,992,586 9 44 9,315,618,630,449
C1 5 202,088,873 1.0010 201,886,986 7 13 42,782,712,210,093
F1 2 2,072,430,041 1.0437 1,985,656,837 11 1,215 1,402,842,021,539
F1 3 2,204,964,186 0.8743 2,521,976,651 10 375 8,663,088,881,342
F1 4 2,230,931,138 0.9641 2,314,003,877 10 132 85,559,051,882,340
F1 5 1,917,683,968 0.9764 1,964,035,199 8 38 158,475,170,836,595
L1 2 394,008,227 0.9989 394,442,113 10 2,228 28,503,770,580
L1 3 419,997,422 0.9953 421,980,731 10 273 687,529,002,226
L1 4 390,305,087 0.9905 394,048,548 9 57 4,457,663,763,216
L1 5 312,491,301 1.0214 305,944,097 8 10 2,443,540,026,424,508
Random Totals: 37,795,328,078 38,746,237,110 1,145 68,857
CATG D1 EXCEPTION VALUES: 1,658,272 1,785,606
CATG J EXCEPTION VALUES: 242,785,380 257,852,917
Total Test Values 38,039,771,730 39,005,875,633

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 1,950,293,782

Confidence Interval Values(5)

Local Test Value: 38,039,771,730 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 37,055,581,851 (State Test Value minus Margin of Error Percent)
State Upper Limit: 40,956,169,415 (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