F
101%
Overall NAT. AVG.
8%
Groceries NAT. AVG.
314%
Housing NAT. AVG.
Date & Last Updated: These cost of living estimates reflect 2026 modeled data using U.S. Census housing inputs and AI-assisted city-level pricing models.
The cost of living index is based on a national average of 100. For example, if the cost of living score is 90, then the estimated cost of living is 10% lower than the national average. If the score is 110, then the estimated cost of living is 10% higher than average. The overall index is calculated using weighted estimates across major everyday expense categories, including housing (30%), groceries (16%), transportation (12%), healthcare (10%), utilities (8%), lifestyle and entertainment (8%), household expenses (8%), and education and childcare (8%). All values are AI-assisted city-level estimates designed for directional comparisons.
Index Sammamish Washington National
Cost of living201119100
Groceries108107100
Health care111109100
Housing414138100
Transportation115112100
Utilities113110100
Lifestyle & Entertainment109112100
Household Items104107100
Education & Childcare112117100
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An Overview of Cost of Living in Sammamish, WA

Knowing the cost of living in Sammamish allows individuals to create a realistic budget. This helps them understand how their income will cover expenses and whether they need to make financial adjustments. The cost of living in any region can fluctuate due to various factors. To assess the cost of living consistently across different areas, a national average of 100 serves as the basis for the cost of living index. The cost of living in Sammamish stands at 201, marking it 101% higher than the national average.

If you're in pursuit of an economical living environment, Sammamish may not fit the bill, as it ranks among the most expensive places to reside in the United States. Just a minority of regions exhibit a cost of living that is more than 20% higher than the national average, and, unfortunately, Sammamish falls within this bracket.

When it comes to the cost of living in Sammamish, housing costs are a real heavyweight, often hogging a significant chunk of your earnings. Sadly, in this area, housing expenses for both buying and renting were 313.7% more expensive compared to your average city. That means you'll be shelling out more for homes, rents, mortgage rates and insurance.

What Do Locals Say About the Cost of Living in Sammamish?

Locals have the inside scoop on their city. So, we polled 11 residents in Sammamish to learn how they view the cost of living. We asked how they felt about the cost of living in their area, and if they thought that prices were increasing, decreasing or staying the same. The verdict? 18% find it reasonable with decreasing prices, but 82% think it's quite pricey, with prices that continue to rise.

Is Sammamish Affordable?

Wondering if Sammamish is affordable? It's a question that often comes up when you're thinking about a new city since affordability can really shape your decisions. The cost of living index (covered earlier), housing expenses and income levels all play a part in the affordability equation. In Sammamish, for example, the median home price is 382.8% higher than what folks pay nationally, and monthly rent is 152.4% higher than the usual rates. Plus, income levels matter too, with Sammamish boasting a median household income of $265,841, which is 226.9% higher than the national average.

What Factors can Influence the Cost of Living in Sammamish?

Taxes: Regions that impose higher taxes, including sales and income taxes, can contribute to an increased cost of living. Higher taxes for everyday necessities such as clothing, utilities and food inevitably leads to higher expenditures. Additionally, a higher income tax rate can also play a role in elevating the overall cost of living. In Sammamish, the prevailing sales tax rate starts at 6.5%, and income tax rates kick off at 0%.

Housing: High demand for housing in desirable locations can drive up property prices and rental rates. This can be a primary contributor to a higher cost of living. While low demand for housing, especially in undesirable locations, can have the reverse effect and drive prices down, resulting in a lower cost of living. The housing index in Sammamish, is 313.7% higher than the national average.

Subsidies: Certain cities or states may implement government subsidies or assistance programs with the goal of alleviating the cost of living pressures on their residents. These programs encompass a broad spectrum of support mechanisms, including Medicare, Medicaid, housing subsidies, low-income home energy assistance programs, school lunch programs, supplemental nutrition assistance programs, student loans, electric vehicle tax credits, affordable care act subsidies and farming subsidies. Areas offering fewer subsidies may experience a rise in their cost of living.

Where is the Data From?

The Sammamish cost of living estimates above use a normalized U.S. average of 100 as the baseline for comparison. Housing values incorporate local home price and rental information from the U.S. Census, while all other estimates are AI-assisted and modeled using expected everyday expenses, local market trends, climate, and transportation-related cost pressures. The results are intended for practical city-to-city comparisons.

Cost Of Living Quick Facts

  • The cost of living in Sammamish is 70% higher than the Washington average
  • The cost of living in Sammamish is 101% higher than the national average
  • Sammamish housing is 314% higher than the national average
  • Washington general sales tax is 27% higher than the national average
  • Washington state income tax is 100% lower than the national average

Most Affordable Places to Live in and Around Sammamish

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Compare Sammamish, WA Cost of Living

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      Utilities index
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      Educare index

      Median Income & Debt-To-Income Ratio

      Median Income Per Year Per Month Max Budget (28% DTI) Max Budget (36% DTI)
      Owners$296,340$24,695$6,914$8,891
      Renters$186,884$15,574$4,360$5,607
      The percentage of monthly income spent on housing related expenses can help predict the affordability of housing in Sammamish, WA, as well as what the overall cost of living might be. Generally, a good rule to follow is that the debt-to-income (DTI) level you want to maintain is 28 percent or less of your income on your rent or mortgage payments and not more than 36 percent of income on all expenses and debts. In Sammamish, homeowners have a median income of $296,340. Using that number, a maximum of $6,914 per month should be allocated to housing expenses. For those who are renting instead of owning, the median income is $186,884, which means there is a maximum of $4,360 to be spent on the costs of renting a home or apartment.

      Washington Sales Tax

      State General Sales Tax With Max Surtax
      Washington 6.5% 10.4%

      Washington Income Tax

      State Income Tax (Low) Income Tax (High)
      Washington 0% 0%

      Nearby cities with low cost of living

      City Population Cost of Living Index National Avg.
      Fairwood CDP (Spokane County), WA8,33111313.4%
      Tukwila, WA20,71012625.7%
      SeaTac, WA30,18612929.0%
      Des Moines, WA32,69113332.5%
      Kent, WA134,34913434.3%
      Sammamish, WA67,314201101.3%

      Cities with similar population

      City Population Cost of Living Index National Avg.
      Madera, CA67,33011918.9%
      Rowlett, TX67,20611211.9%
      Santa Cruz, CA67,016205104.6%
      Laguna Niguel, CA67,631204103.9%
      Bayonne, NJ66,96313029.8%
      Sammamish, WA67,314201101.3%
      Date & Last Updated: These cost of living estimates reflect 2026 modeled data using U.S. Census housing inputs and AI-assisted city-level pricing models.