taxes Property Tax Assistance

2025 Confidence Interval Detail

Tarrant County
220-919/Carroll 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 3,272,689,320 0.8442 3,876,675,338 108 3,693 64,999,312,840
A 3 2,905,995,750 0.8532 3,405,995,956 73 2,410 78,151,157,425
A 4 2,878,784,160 0.8358 3,444,345,729 53 1,744 210,843,385,553
A 5 2,838,719,170 0.8371 3,391,135,073 45 968 2,823,740,797,161
F1 2 524,147,568 1.0731 488,442,427 15 267 846,326,453,542
F1 3 507,389,535 1.1330 447,828,363 14 80 7,579,605,646,009
F1 4 561,378,889 0.9363 599,571,600 11 31 62,320,514,588,372
F1 5 542,200,825 1.0384 522,150,255 7 12 457,247,934,135,322
L1 2 96,730,074 1.0791 89,639,583 11 485 32,114,846,027
L1 3 108,091,983 1.0145 106,547,051 11 117 129,247,269,004
L1 4 94,556,426 0.9614 98,352,846 9 27 1,649,899,067,244
L1 5 76,486,952 1.0287 74,353,020 5 8 37,489,885,976,715
Random Totals: 14,407,170,652 16,545,037,241 362 9,842
CATG D1 EXCEPTION VALUES: 78,624 39,465
CATG J EXCEPTION VALUES: 64,449,005 67,080,254
Total Test Values 14,471,698,281 16,612,156,960

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 830,607,848

Confidence Interval Values(5)

Local Test Value: 14,471,698,281 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 15,781,549,112 (State Test Value minus Margin of Error Percent)
State Upper Limit: 17,442,764,808 (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