taxes Property Tax Assistance

2025 Confidence Interval Detail

King County
135-001/Guthrie CSD

Category Summary

(1)
Category
(1)
Stratum
Number
(1)
Local
Value
(1)
Stratum
Ratio
(1)
State
Value
(2)
Sample
Size
(3)
Total
Parcels

Stratum
Variance
G1 2 70,266,373 1.0595 66,320,314 8 26 6,960,726,450,746
Random Totals: 70,266,373 66,320,314 8 26
CATG D1 EXCEPTION VALUES: 12,675,100 8,697,775
CATG G1 EXCEPTION VALUES: 77,560,890 75,847,285
Total Test Values 160,502,363 150,865,374

Margin of Error

Margin of Error Percent: 7.9663430
Margin of Error Value: 12,018,453

Confidence Interval Values(5)

Local Test Value: 160,502,363 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 138,846,921 (State Test Value minus Margin of Error Percent)
State Upper Limit: 162,883,827 (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