taxes Property Tax Assistance

2025 Confidence Interval Detail

Montgomery County
170-904/Willis 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 1,748,281,736 0.9935 1,759,719,915 100 8,017 2,613,952,693
A 3 1,643,404,509 1.0143 1,620,235,146 100 4,994 3,222,218,167
A 4 1,670,580,791 0.9659 1,729,558,744 99 3,344 20,783,125,199
A 5 1,932,714,546 0.9997 1,933,294,534 66 1,989 337,128,851,271
C1 2 147,107,411 0.9007 163,325,648 15 3,373 1,281,200,134
C1 3 135,518,415 0.9004 150,509,124 21 953 1,708,574,317
C1 4 112,745,369 1.0517 107,202,975 15 599 739,463,073
C1 5 149,601,158 0.8862 168,811,959 12 169 1,129,748,658,974
E 0 362,254,444 0.7923 457,218,786 20 906 233,093,344,358
F1 2 183,594,125 1.0333 177,677,465 11 250 133,332,481,300
F1 3 195,147,199 0.9863 197,857,852 10 102 584,966,097,301
F1 4 176,667,343 0.9977 177,074,615 9 46 1,547,139,177,340
F1 5 226,629,620 1.0501 215,817,179 9 26 8,730,126,654,538
L1 2 67,171,912 0.9798 68,556,759 10 324 44,920,751,605
L1 3 47,483,750 0.9539 49,778,541 8 40 729,099,113,340
L1 4 33,402,347 0.9414 35,481,567 5 8 2,392,368,103,541
L1 5 71,559,585 0.9229 77,537,745 3 7 13,396,665,663,588
Random Totals: 8,903,864,260 9,089,658,554 513 25,147
CATG D1 EXCEPTION VALUES: 16,477,134 6,240,008
CATG L1 EXCEPTION VALUES: 106,106,433 106,019,986
Total Test Values 9,026,447,827 9,201,918,548

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 460,095,927

Confidence Interval Values(5)

Local Test Value: 9,026,447,827 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 8,741,822,621 (State Test Value minus Margin of Error Percent)
State Upper Limit: 9,662,014,475 (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