39 Washington counties have published property tax and home value data. The highest effective property tax rate is in Pierce County (0.94%); the lowest is in San Juan County (0.57%). The middle county, Whitman County, is at 0.79%. Each name opens a county profile with its tax estimate, home values, income and nearby counties.
| County | Effective property tax rate | Median home value | Median household income | Population |
|---|---|---|---|---|
| Adams County | 0.84% | $251,300 | $65,042 | 20,690 |
| Asotin County | 0.80% | $286,200 | $69,107 | 22,424 |
| Benton County | 0.79% | $369,400 | $87,316 | 210,224 |
| Chelan County | 0.71% | $454,900 | $78,306 | 79,518 |
| Clallam County | 0.74% | $385,600 | $67,999 | 77,593 |
| Clark County | 0.84% | $487,900 | $94,948 | 510,516 |
| Columbia County | 0.86% | $256,100 | $71,528 | 3,996 |
| Cowlitz County | 0.81% | $367,400 | $72,932 | 111,539 |
| Douglas County | 0.79% | $402,900 | $80,374 | 43,733 |
| Ferry County | 0.65% | $274,500 | $54,650 | 7,326 |
| Franklin County | 0.76% | $345,700 | $82,755 | 97,676 |
| Garfield County | 0.61% | $214,200 | $62,411 | 2,326 |
| Grant County | 0.82% | $275,700 | $71,115 | 100,428 |
| Grays Harbor County | 0.87% | $279,500 | $63,539 | 76,397 |
| Island County | 0.70% | $535,300 | $88,358 | 86,747 |
| Jefferson County | 0.73% | $495,100 | $71,143 | 33,313 |
| King County | 0.84% | $811,200 | $122,148 | 2,262,713 |
| Kitsap County | 0.80% | $505,700 | $98,546 | 276,581 |
| Kittitas County | 0.71% | $459,900 | $69,928 | 44,736 |
| Klickitat County | 0.62% | $388,700 | $70,400 | 23,082 |
| Lewis County | 0.71% | $341,500 | $69,690 | 83,925 |
| Lincoln County | 0.60% | $272,300 | $71,227 | 11,271 |
| Mason County | 0.75% | $377,400 | $78,359 | 66,968 |
| Okanogan County | 0.77% | $284,200 | $60,293 | 42,811 |
| Pacific County | 0.82% | $274,000 | $62,350 | 23,750 |
| Pend Oreille County | 0.67% | $307,800 | $63,750 | 13,811 |
| Pierce County | 0.94% | $484,400 | $96,632 | 924,106 |
| San Juan County | 0.57% | $726,500 | $83,682 | 18,266 |
| Skagit County | 0.82% | $486,200 | $85,474 | 130,407 |
| Skamania County | 0.72% | $472,600 | $90,085 | 12,276 |
| Snohomish County | 0.79% | $644,600 | $107,982 | 834,648 |
| Spokane County | 0.86% | $370,500 | $73,513 | 544,323 |
| Stevens County | 0.65% | $308,000 | $67,405 | 47,470 |
| Thurston County | 0.90% | $451,500 | $93,985 | 296,640 |
| Wahkiakum County | 0.60% | $344,500 | $57,091 | 4,573 |
| Walla Walla County | 0.90% | $375,600 | $72,212 | 62,102 |
| Whatcom County | 0.71% | $536,100 | $80,989 | 228,432 |
| Whitman County | 0.79% | $323,300 | $52,893 | 47,042 |
| Yakima County | 0.82% | $281,100 | $68,015 | 256,605 |
Source: US Census Bureau, American Community Survey 2023 5-year estimates (tables B25103, B25077, B19013, B01003). Counties where the Census Bureau does not publish all four numbers are left out.