taxes Property Tax Assistance

2025 Confidence Interval Detail

Galveston County
084-901/Dickinson 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 1,643,423,652 0.9753 1,685,044,245 98 7,216 1,623,477,947
A 3 1,683,611,184 1.0243 1,643,670,003 94 5,720 1,355,669,177
A 4 1,613,656,546 1.0126 1,593,577,470 95 4,518 2,292,387,688
A 5 1,715,683,106 0.9939 1,726,213,005 98 3,237 25,239,654,587
B 2 94,120,015 0.9313 101,063,046 10 46 6,513,100,776,531
B 3 183,168,574 0.9229 198,470,662 6 7 70,231,463,271,727
B 4 167,697,466 0.9271 180,883,902 3 4 20,115,630,858,286
C1 2 64,948,749 0.8966 72,438,935 17 1,719 679,781,471
C1 3 103,621,303 0.9488 109,213,009 10 1,538 1,379,918,396
C1 4 101,703,321 0.9333 108,971,736 15 690 9,822,558,502
C1 5 100,167,543 0.9972 100,448,800 12 108 425,368,626,320
F1 2 332,421,139 0.7869 422,443,943 16 412 285,406,607,398
F1 3 281,654,031 0.8168 344,826,189 15 114 850,930,151,236
F1 4 323,874,971 0.6738 480,669,295 15 54 55,131,160,013,817
F1 5 280,063,100 0.8122 344,820,364 9 15 61,943,846,747,733
L1 2 71,391,630 0.8976 79,536,130 10 488 9,098,744,492
L1 3 73,896,274 0.9717 76,048,445 10 81 143,242,870,053
L1 4 82,385,570 0.9503 86,694,275 7 14 3,139,232,066,325
L1 5 49,185,400 0.9518 51,676,192 2 3 37,235,409,032,561
Random Totals: 8,966,673,574 9,406,709,646 542 25,984
CATG D1 EXCEPTION VALUES: 653,076 735,449
Total Test Values 8,967,326,650 9,407,445,095

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 470,372,255

Confidence Interval Values(5)

Local Test Value: 8,967,326,650 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 8,937,072,840 (State Test Value minus Margin of Error Percent)
State Upper Limit: 9,877,817,350 (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