taxes Property Tax Assistance

2025 Confidence Interval Detail

Montgomery County
170-903/Montgomery 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 2,701,614,840 1.0006 2,699,994,843 148 9,432 7,617,650,558
A 3 2,576,778,559 0.9767 2,638,249,779 150 5,140 14,153,007,269
A 4 2,496,098,823 0.9623 2,593,888,416 110 3,199 28,151,397,182
A 5 2,854,122,495 0.9887 2,886,742,687 84 1,962 650,415,864,432
C1 2 98,240,512 0.8118 121,015,659 23 2,265 532,990,794
C1 3 135,354,347 0.8647 156,533,303 28 1,410 2,674,393,549
C1 4 106,451,698 0.9855 108,017,958 27 454 9,873,457,944
C1 5 105,809,624 0.8179 129,367,434 9 111 356,836,104,645
E 0 663,815,365 0.7880 842,405,286 10 1,332 211,720,505,729
F1 2 173,727,490 1.0221 169,971,128 10 219 192,057,514,026
F1 3 192,765,768 0.8569 224,957,134 9 87 1,086,171,415,568
F1 4 169,471,837 0.9635 175,891,891 8 35 3,786,941,330,038
F1 5 222,507,529 1.1633 191,272,697 5 12 1,776,799,277,270,393
Random Totals: 12,496,758,887 12,938,308,215 621 25,658
CATG D1 EXCEPTION VALUES: 11,516,604 10,444,891
Total Test Values 12,508,275,491 12,948,753,106

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 647,437,655

Confidence Interval Values(5)

Local Test Value: 12,508,275,491 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 12,301,315,451 (State Test Value minus Margin of Error Percent)
State Upper Limit: 13,596,190,761 (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