taxes Property Tax Assistance

2025 Confidence Interval Detail

Harris County
237-904/Waller 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 2 879,393,191 0.9822 895,330,066 60 3,713 1,050,935,499
A 3 1,008,593,714 1.0067 1,001,881,111 59 3,285 1,618,274,527
A 4 1,102,788,222 1.0084 1,093,601,965 59 2,772 4,663,641,327
A 5 1,157,814,855 0.9988 1,159,205,902 60 1,566 36,484,478,325
C1 2 95,661,676 0.8323 114,936,533 10 1,383 1,109,066,787
C1 3 74,066,724 0.8617 85,954,188 11 457 5,591,549,620
C1 4 75,313,775 0.9017 83,524,204 11 105 199,689,123,801
C1 5 150,044,391 1.0114 148,353,165 9 43 8,796,702,026,843
F1 2 123,724,250 0.9400 131,621,543 10 120 320,543,753,451
F1 3 136,075,729 0.9101 149,517,338 9 56 715,884,744,634
F1 4 186,960,936 0.9407 198,746,610 7 32 5,947,538,992,721
F1 5 146,701,352 0.9756 150,370,390 3 6 933,662,717,846,559
Random Totals: 5,137,138,815 5,213,043,015 308 13,538
CATG D1 EXCEPTION VALUES: 5,076,396 3,759,462
Total Test Values 5,142,215,211 5,216,802,477

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 260,840,124

Confidence Interval Values(5)

Local Test Value: 5,142,215,211 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 4,955,962,353 (State Test Value minus Margin of Error Percent)
State Upper Limit: 5,477,642,601 (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