Real Estate Values and Property Tax Valuation in King County, Washington

King County has 633,042 properties with a total real estate value of $495.7B, making up 43.41% of all real estate value in Washington. Property taxes in King County totaled $4.8B, with an average homeowner paying $7,630 in property taxes compared to the state average of $4,796. The average property tax rate in King County is 0.97%, lower than the state average of 1.01%. Properties are valued for tax purposes based on their assessed value, which is typically lower than the market value.

The property tax timeline in Washington begins on January 1st when the property valuation date is set. Property value notices are issued from May to December and the property tax appeal deadline is July 1st or 30-60 days after the notice is issued. Finally, property tax bills are issued on February 14th.

Important Dates
Property Valuation Date:January 1st
Property Value Notices Issued:May - December
Property Tax Appeal Deadline:July 1st or 30-60 days after notice
Property Tax Bills Issued:February 14th
Real Property Tax Bill Due (1st of #):April 30th
Real Property Tax Bill Due (2nd of #):October 31st
Available Exemptions
SeniorAvailable
DisabledAvailable
HomesteadNot Available
VeteranAvailable
CharitableAvailable

Don't Miss Your Property Tax Appeal Deadline

Ownwell will automatically evaluate all new property tax assessments, identify if you should appeal, then handle the end to end property tax appeals process. With our Savings-or-Free guarantee, only pay 25% of your property tax bill savings after you save!

Real Estate Statistics in King County

Total Real Estate Value
$495.7B
Total Real Property Taxes
$4.8B
Average Property Tax Rate
0.97%
# of Real Properties
633.0K

Residential Property Taxes by Cities in King County

King County property taxes are among the highest in the state of Washington. In 2023, the total property taxes collected in King County are estimated to be $4.8 billion. The average property tax rate in King County is 0.97%, which is higher than the state average of 0.91%. This means that the average King County property tax bill is estimated to be $7,630.

Property tax rates vary across the cities in King County. The city with the highest effective property tax rate is Normandy Park, with a rate of 1.28%. On the other hand, the city with the lowest effective property tax rate is Mercer Island, with a rate of 0.73%. This shows that property taxes can vary significantly depending on where you live in King County.

Tax Assessment Value

The following table shows the 10th, 25th, 50th, 75th, and 90th percentile of property assessment value in each city in King County. The tax assessment value may differ from the potential sale value, and is used to calculate the property tax for each piece of real estate.

City10th Percentile25th PercentileMedian75th Percentile90th Percentile
Algona$165,000$241,750$330,500$381,000$422,000
Auburn$281,000$352,000$430,000$522,000$642,000
Bellevue$423,000$714,000$971,000$1,350,000$1,904,000
Black Diamond$271,000$401,000$532,544$658,000$993,100
Bothell$320,000$410,000$679,000$829,000$1,013,900
Burien$318,000$404,000$485,000$618,000$866,000
Carnation$379,100$484,000$664,000$851,000$1,075,000
Clyde Hill$1,995,000$2,321,000$2,754,000$3,574,000$4,686,600
Covington$327,000$384,000$449,000$524,000$588,000
Des Moines$249,000$368,000$427,000$512,000$666,000
Duvall$351,060$510,000$640,000$766,000$874,000
Enumclaw$309,888$382,000$453,000$572,000$721,000
Fall City$344,000$526,000$747,000$1,023,000$1,350,000
Federal Way$213,000$348,000$420,000$492,000$586,000
Issaquah$350,000$522,000$771,000$1,016,000$1,266,000
Kenmore$415,000$591,000$716,000$867,000$1,013,000
Kent$270,000$376,000$453,000$536,000$643,000
Kirkland$341,900$611,000$793,000$1,143,000$1,635,400
Lake Forest Park$484,000$615,000$726,000$871,000$1,093,000
Maple Valley$379,000$454,000$542,000$667,000$812,000
Medina$1,805,000$2,205,500$2,970,000$4,350,000$8,126,400
Mercer Island$883,200$1,215,000$1,505,000$2,011,000$3,008,900
Milton$342,000$374,500$406,000$447,000$559,000
Newcastle$462,000$683,000$867,000$1,070,000$1,387,400
Normandy Park$493,000$624,000$741,000$911,000$1,168,000
North Bend$369,000$477,000$634,000$811,500$969,000
Pacific$240,000$314,000$364,000$406,000$450,400
Ravensdale$265,500$372,000$534,000$750,250$1,064,744
Redmond$433,000$679,000$902,000$1,144,000$1,378,000
Renton$296,000$418,000$521,000$642,000$802,000
Sammamish$604,000$839,000$1,016,000$1,256,000$1,512,300
Seatac$267,000$349,000$408,000$469,000$572,000
Seattle$372,000$510,000$690,000$913,000$1,249,000
Shoreline$390,000$512,000$608,000$717,000$915,000
Skykomish$103,000$161,000$230,000$290,000$363,000
Snoqualmie$409,000$565,000$721,000$882,000$1,020,000
Tukwila$221,000$297,000$403,000$497,000$591,000
Vashon$365,000$521,000$665,000$834,000$1,057,000
Woodinville$504,000$685,000$871,000$1,118,000$1,395,000
Yarrow Point$1,955,600$2,302,250$2,874,500$4,302,500$7,968,000

Property Tax Bill

This table shows the percentiles of actual property tax paid on residential properties for each city in King County.

City10th Percentile25th PercentileMedian75th Percentile90th Percentile
Algona$2,104$3,012$4,212$4,881$5,405
Auburn$3,306$4,553$5,575$6,806$8,238
Bellevue$3,265$5,807$8,050$11,334$15,902
Black Diamond$2,562$4,033$5,230$6,835$11,229
Bothell$3,112$4,332$7,287$8,854$10,816
Burien$3,221$4,956$5,978$7,600$10,623
Carnation$3,893$5,130$7,134$9,271$12,158
Clyde Hill$15,175$17,941$21,303$27,640$36,239
Covington$3,976$4,656$5,384$6,272$7,001
Des Moines$2,697$4,520$5,462$6,548$8,441
Duvall$3,954$5,662$7,067$8,413$9,630
Enumclaw$3,019$3,865$4,627$6,160$7,793
Fall City$3,794$6,512$9,293$12,675$16,431
Federal Way$2,227$3,880$4,780$5,598$6,711
Issaquah$3,188$4,843$7,708$9,903$12,182
Kenmore$3,820$6,577$7,992$9,561$11,071
Kent$2,946$4,400$5,384$6,413$7,829
Kirkland$2,976$5,430$7,149$10,189$14,475
Lake Forest Park$4,542$6,804$7,997$9,529$11,857
Maple Valley$4,320$5,206$6,180$7,686$9,431
Medina$14,595$17,938$24,177$35,403$66,123
Mercer Island$5,104$8,929$11,070$14,807$22,144
Milton$4,150$4,582$4,977$5,495$6,741
Newcastle$4,107$7,089$8,987$10,873$13,988
Normandy Park$6,286$8,070$9,667$11,838$15,148
North Bend$3,732$5,835$7,323$9,388$11,034
Pacific$2,578$3,924$4,630$5,167$5,728
Ravensdale$2,881$4,117$5,963$8,587$12,427
Redmond$3,606$6,087$8,393$10,663$12,998
Renton$3,002$4,668$6,082$7,528$9,149
Sammamish$5,776$8,315$9,995$12,452$14,857
Seatac$2,386$4,193$4,979$5,772$7,010
Seattle$3,272$5,007$6,645$8,633$11,643
Shoreline$3,313$5,855$7,035$8,244$10,393
Skykomish$952$1,418$2,169$2,716$3,324
Snoqualmie$4,583$6,481$8,145$9,964$11,538
Tukwila$2,034$3,342$4,997$6,170$7,367
Vashon$3,452$5,966$7,713$9,652$12,181
Woodinville$5,283$7,446$9,471$12,091$14,910
Yarrow Point$14,075$17,027$21,356$32,094$59,288

Effective Property Tax Rate

The effective property tax rate is calculated by dividing the property tax bill by the assessed value. For the percentiles below, the calculation is performed using the percentiles for property tax bill and assessed value above. Therefore, each consecutive percentile doesn't necessarily show a larger value.

City10th Percentile25th PercentileMedian75th Percentile90th Percentile
Algona 1.28% 1.25% 1.27% 1.28% 1.28%
Auburn 1.18% 1.29% 1.30% 1.30% 1.28%
Bellevue 0.77% 0.81% 0.83% 0.84% 0.84%
Black Diamond 0.95% 1.01% 0.98% 1.04% 1.13%
Bothell 0.97% 1.06% 1.07% 1.07% 1.07%
Burien 1.01% 1.23% 1.23% 1.23% 1.23%
Carnation 1.03% 1.06% 1.07% 1.09% 1.13%
Clyde Hill 0.76% 0.77% 0.77% 0.77% 0.77%
Covington 1.22% 1.21% 1.20% 1.20% 1.19%
Des Moines 1.08% 1.23% 1.28% 1.28% 1.27%
Duvall 1.13% 1.11% 1.10% 1.10% 1.10%
Enumclaw 0.97% 1.01% 1.02% 1.08% 1.08%
Fall City 1.10% 1.24% 1.24% 1.24% 1.22%
Federal Way 1.05% 1.11% 1.14% 1.14% 1.15%
Issaquah 0.91% 0.93% 1.00% 0.97% 0.96%
Kenmore 0.92% 1.11% 1.12% 1.10% 1.09%
Kent 1.09% 1.17% 1.19% 1.20% 1.22%
Kirkland 0.87% 0.89% 0.90% 0.89% 0.89%
Lake Forest Park 0.94% 1.11% 1.10% 1.09% 1.08%
Maple Valley 1.14% 1.15% 1.14% 1.15% 1.16%
Medina 0.81% 0.81% 0.81% 0.81% 0.81%
Mercer Island 0.58% 0.73% 0.74% 0.74% 0.74%
Milton 1.21% 1.22% 1.23% 1.23% 1.21%
Newcastle 0.89% 1.04% 1.04% 1.02% 1.01%
Normandy Park 1.28% 1.29% 1.30% 1.30% 1.30%
North Bend 1.01% 1.22% 1.16% 1.16% 1.14%
Pacific 1.07% 1.25% 1.27% 1.27% 1.27%
Ravensdale 1.09% 1.11% 1.12% 1.14% 1.17%
Redmond 0.83% 0.90% 0.93% 0.93% 0.94%
Renton 1.01% 1.12% 1.17% 1.17% 1.14%
Sammamish 0.96% 0.99% 0.98% 0.99% 0.98%
Seatac 0.89% 1.20% 1.22% 1.23% 1.23%
Seattle 0.88% 0.98% 0.96% 0.95% 0.93%
Shoreline 0.85% 1.14% 1.16% 1.15% 1.14%
Skykomish 0.92% 0.88% 0.94% 0.94% 0.92%
Snoqualmie 1.12% 1.15% 1.13% 1.13% 1.13%
Tukwila 0.92% 1.13% 1.24% 1.24% 1.25%
Vashon 0.95% 1.15% 1.16% 1.16% 1.15%
Woodinville 1.05% 1.09% 1.09% 1.08% 1.07%
Yarrow Point 0.72% 0.74% 0.74% 0.75% 0.74%

Reduce your property tax bill with Ownwell!

Ownwell saves property owner's $1,149 a year on their property taxes. Sign up in 5 minutes to start saving today! With our Savings-or-Free guarantee, only pay 25% of your property tax bill savings after you save!

Real Estate Values in King County

The median home price in King County, Washington has increased by 3.30% from October 2022 to October 2023, from $793.8K to $819.9K. This is despite a decrease in home inventory from 5.1K in October 2022 to 3.8K in October 2023. This suggests that demand for homes in King County is increasing, leading to an increase in home prices.

Median Sale Value
$819.9K
Total Active Listings
3.8K
Annual percent change in median sale price
3.30%

Average Home Value in King County, Washington

Last updated: November 2023

Percent Change in Total Home Sales in King County

Last updated: November 2023

Percent Change in New Home Listings in King County

Last updated: November 2023

Reduce your property tax bill with Ownwell

Ownwell will evaluate your property tax assessment, build a case, and file an appeal. With our Savings-or-Free guarantee, only pay 25% of your property tax bill savings!

Mortgage Rates in King County

Mortgages in King County are a major source of financing for homeowners. According to recent statistics, the total outstanding loan amount across home mortgages in King County is $150.6 billion, with 415.4 thousand outstanding loans. This represents a significant portion of the total home value in the county. The median mortgage rate in King County varies across cities, with Tukwila having the highest median mortgage rate at 4.62%, and Black Diamond having the lowest at 3.87%. This variation in rates across cities can be beneficial for homeowners, as they can shop around for the best rate and save money on their mortgage payments. Overall, mortgages in King County are a major source of financing for homeowners, and the variation in rates across cities provides an opportunity for homeowners to save money on their mortgage payments.

# of Outstanding Loans
415.4K
Total Outstanding Loan Amount
$150.6B
Properties with Loans
65.62%

Outstanding Mortgages

The table below shows the percentile distribution of outstanding loans on residential properties in King County by city.

City10th Percentile25th PercentileMedian75th Percentile90th Percentile
Algona$38,277$77,617$154,784$281,267$377,450
Auburn$58,547$116,379$218,367$349,766$477,371
Bellevue$74,327$153,984$316,190$591,535$999,494
Black Diamond$79,888$182,077$377,667$506,484$652,481
Bothell$74,188$138,014$268,599$462,807$683,433
Burien$53,391$108,865$217,504$379,200$533,182
Carnation$67,425$143,210$307,617$509,716$700,953
Clyde Hill$138,728$379,103$829,283$1,580,767$2,361,044
Covington$65,228$123,158$228,049$366,054$500,353
Des Moines$50,033$102,889$195,150$334,974$480,545
Duvall$85,058$159,429$290,958$478,045$642,150
Enumclaw$60,908$129,861$247,329$383,757$509,460
Fall City$68,288$158,964$322,405$575,216$917,324
Federal Way$50,853$99,299$187,282$313,583$447,992
Issaquah$96,753$181,073$328,062$543,534$763,043
Kenmore$79,684$158,775$289,717$479,251$667,222
Kent$58,003$111,559$201,638$334,448$475,030
Kirkland$74,690$152,489$311,306$573,950$932,280
Lake Forest Park$68,537$139,599$290,599$485,743$694,256
Maple Valley$85,816$160,871$280,101$439,720$606,423
Medina$155,478$378,972$817,988$1,564,564$2,784,523
Mercer Island$106,639$254,214$500,555$923,041$1,488,219
Milton$57,385$121,515$199,649$340,473$463,029
Newcastle$83,546$174,714$331,854$566,079$817,796
Normandy Park$72,576$164,916$311,615$505,620$701,944
North Bend$74,840$161,524$326,830$533,461$714,026
Pacific$56,926$106,653$181,232$295,701$420,522
Ravensdale$51,814$124,159$264,924$472,945$700,327
Redmond$87,711$172,115$322,841$532,016$813,877
Renton$61,504$121,984$226,090$375,743$546,036
Sammamish$106,119$200,780$381,522$637,698$946,819
Seatac$47,361$95,389$172,030$299,019$429,495
Seattle$72,214$150,526$296,720$508,407$711,567
Shoreline$55,255$113,948$225,883$414,651$595,597
Skykomish$26,631$72,405$143,121$251,910$315,356
Snoqualmie$130,169$227,153$359,785$534,558$707,905
Tukwila$43,303$92,119$170,044$295,845$437,820
Vashon$54,124$121,981$241,410$408,329$582,118
Woodinville$78,464$169,856$337,168$581,898$859,390
Yarrow Point$158,187$419,486$760,472$1,344,103$2,247,066

Mortgage Rates

The following table shows the 10th, 25th, 50th, 75th, and 90th percentile of mortgage rates in cities across King County.

City10th Percentile25th PercentileMedian75th Percentile90th Percentile
Algona 3.01% 3.70% 4.50% 6.25% 7.36%
Auburn 3.00% 3.61% 4.37% 6.04% 7.15%
Bellevue 2.90% 3.50% 4.33% 6.11% 7.15%
Black Diamond 2.80% 3.10% 3.87% 5.45% 6.98%
Bothell 2.98% 3.58% 4.27% 5.96% 7.08%
Burien 3.00% 3.70% 4.40% 6.27% 7.37%
Carnation 3.00% 3.58% 4.28% 6.07% 7.21%
Clyde Hill 2.70% 3.25% 4.07% 5.60% 6.90%
Covington 3.00% 3.60% 4.40% 5.95% 7.11%
Des Moines 2.99% 3.63% 4.40% 6.22% 7.37%
Duvall 2.90% 3.50% 4.18% 5.89% 7.13%
Enumclaw 2.90% 3.59% 4.30% 6.03% 7.17%
Fall City 3.00% 3.60% 4.25% 6.09% 7.33%
Federal Way 3.00% 3.70% 4.50% 6.29% 7.38%
Issaquah 2.90% 3.48% 4.08% 5.59% 6.70%
Kenmore 2.92% 3.58% 4.21% 5.77% 7.00%
Kent 3.00% 3.69% 4.50% 6.21% 7.25%
Kirkland 2.90% 3.48% 4.15% 5.88% 7.08%
Lake Forest Park 3.01% 3.66% 4.40% 6.17% 7.25%
Maple Valley 2.90% 3.57% 4.22% 5.76% 6.98%
Medina 2.75% 3.22% 4.12% 6.00% 7.13%
Mercer Island 2.90% 3.49% 4.18% 6.00% 7.11%
Milton 2.90% 3.50% 4.50% 6.12% 7.18%
Newcastle 2.90% 3.50% 4.27% 5.99% 7.13%
Normandy Park 3.01% 3.65% 4.32% 6.17% 7.25%
North Bend 2.90% 3.50% 4.12% 5.83% 7.17%
Pacific 2.99% 3.63% 4.47% 6.04% 7.15%
Ravensdale 3.00% 3.71% 4.42% 6.21% 7.48%
Redmond 2.90% 3.40% 4.13% 5.80% 6.98%
Renton 3.00% 3.64% 4.40% 6.09% 7.14%
Sammamish 2.87% 3.37% 4.10% 5.76% 6.99%
Seatac 3.07% 3.73% 4.50% 6.31% 7.36%
Seattle 2.93% 3.58% 4.30% 6.00% 7.12%
Shoreline 3.05% 3.70% 4.50% 6.30% 7.38%
Skykomish 3.00% 3.75% 4.38% 6.20% 7.91%
Snoqualmie 3.00% 3.50% 4.09% 5.25% 6.36%
Tukwila 3.00% 3.72% 4.62% 6.36% 7.50%
Vashon 3.20% 3.74% 4.55% 6.50% 7.58%
Woodinville 3.00% 3.60% 4.32% 6.07% 7.20%
Yarrow Point 2.83% 3.30% 4.06% 6.12% 7.12%

Housing Expenses in King County, Washington

Reduce your property tax bill with Ownwell

Ownwell will evaluate your property tax assessment, build a case, and file an appeal. With our Savings-or-Free guarantee, only pay 25% of your property tax bill savings!

With Ownwell's property tax monitoring service ensures you'll never overpay on property taxes again.

How Ownwell works?

  1. Enter your property address and get an instant estimate of your potential tax savings based on local market data and our historical tax savings in your area.
  2. Sign up online and authorize Ownwell to fight your tax bill in less than 5 minutes.
  3. Sit back and let us get to work. Ownwell handles everything start to finish with no up-front costs. It’s all backed by our industry-leading Savings-or-Free Guarantee.
  4. When we save you money our fee is just 25% of your savings. If you don't save, you don't pay. We will continue to monitor your property taxes every year to ensure that you never overpay or have to worry about your property taxes again.

Reduce your property tax bill with Ownwell

Enter your property address and get an initial estimate of your potential tax savings based on local market data and our historical tax savings in your area. We never share or sell your information.

Frequently asked questions

We currently operate in Texas, California, Washington, Georgia, Florida and Illinois.
We use a private national data provider that cross-references with county recorder's offices to verify ownership. If in the event our system is unable to verify the property, our team will take further steps to investigate ownership and reach out to the customer for confirmation.
Our success rate varies across geographies; however, in any given year, we typically win more than 70% of our cases, saving clients an average of $1,457 on their property taxes.
Yes, in the market areas we serve, we have a dedicated Property Tax Consultant that is physically present in the market they are servicing. The specialist assigned to your property has the necessary geographical competence to provide exemplary service!
The average property tax rate in King County is 0.97%.
The following exemptions and discounts are available in King County: Charitable, Disabled, Senior and Veteran