Washington's Tax Overhaul: Navigating the 2026 Increases and 2028 Millionaires' Tax – Why Idaho Offers a Smarter Alternative
Welcome to this in-depth exploration of Washington State's recent tax changes. As a resident or potential investor, understanding these shifts is crucial for financial planning. In 2026, Washington implemented several tax hikes aimed at funding infrastructure, education, and other priorities, following legislation from the 2025 session. Looking ahead, the 2028 "millionaires' tax" introduces a progressive income tax for high earners, marking a historic change in a state long without one. We'll break down the details, provide hyperlinks to official sources, and compare these to Idaho's more taxpayer-friendly system. If you're feeling the pinch, we'll also highlight why the Boise area in Idaho stands out as a superior option for living and real estate investment – and how Klark Kent Sparks, the top Realtor in the Treasure Valley, can guide your move.This post draws from official government sites like the Washington Department of Revenue and reliable analyses from organizations such as the Tax Foundation and Washington Policy Center. All sources are linked for transparency.The 2026 Tax Increases: What Changed and Why It MattersWashington's 2026 tax landscape reflects efforts to address budget shortfalls without a broad income tax – at least until 2028. The changes primarily target businesses, vehicles, and consumer goods, expected to generate billions over the coming years. Here's a detailed breakdown:Business and Excise Taxes
Big Business Surcharge: A 0.5% surcharge on the Business & Occupation (B&O) tax for companies with over $250 million in annual taxable income. This temporary measure (expiring in 2029) is projected to raise $550 million annually for state coffers.
For details, see the Washington Department of Revenue's notice on B&O changes.
Advanced Computing Surcharge: Large tech firms (over $25 billion in global revenue) face a B&O rate jump from 1.22% to 7.5%, with the cap increasing from $9 million to $75 million. This funds higher education and could bring in $394 million in FY 2027.
Check the official bill summary.
Nicotine Products Tax Expansion: Now includes non-cigarette items like Zyn pouches and vapes, taxed at 95% of the selling price. A $7 product could cost over $15 after taxes in Seattle.
More info at DOR's special notice on nicotine taxes.
Transportation and Vehicle Taxes
Luxury Vehicle Tax: An 8% tax on vehicle values over $100,000, plus a 0.5% increase in sales tax assessment to 0.5%.
Expected to raise $250 million+ over six years. Exemptions apply for commercial vehicles.
Rental Car Tax Hike: Temporarily to 11.9% in 2026, then 9.9% in 2027.
Tire Fee Increase: From $1 to $5 per tire, generating $117 million over six years.
Other Fees: Vehicle weight fees up, RV sales fee to $8, and registration/title fees increased slightly.
Full list on DOR's local sales & use tax changes.
Consumer and Lodging Taxes
Lodging Tax Increase: A 2% hike from April 1 to September 30, 2026, for tourism funding.
See House Bill 1882.
Repeal of Tax Preferences: Ends exemptions for precious metals and energy credits, adding $50 million to the budget.
These changes stem from a $9.4 billion revenue package in 2025, amid debates over fiscal responsibility. For a full overview, visit the Washington State Standard's article.
The 2028 Millionaires' Tax: A Game-Changer for High EarnersSigned into law in March 2026 by Governor Bob Ferguson, Senate Bill 6346 imposes a 9.9% tax on adjusted gross income over $1 million per household, effective January 1, 2028 (first payments due April 2029).
This affects about 20,000-30,000 households (less than 1% of residents), targeting wages, business income, dividends, and more – but excludes qualified retirement distributions.
Revenue Projections: Up to $3 billion annually for education, child care, and expanding the Working Families Tax Credit to 460,000 more households.
Threshold and Adjustments: $1 million deduction, inflation-adjusted; based on federal AGI.
Challenges Ahead: Faces legal scrutiny over Washington's constitutional ban on graduated income taxes. Critics warn of wealth flight, especially from tech hubs like Seattle.
For the bill text, see Washington Legislature's site.
Details from the Washington Budget and Policy Center's FAQ.
Comparing Washington and Idaho Taxes: Where Does Your Money Go Further?Washington's regressive system (heavy on sales and excise taxes) contrasts with Idaho's balanced approach, including a modest income tax but lower overall burdens for many.
Income Tax: Washington: None until 2028's 9.9% on $1M+ (plus 7% capital gains tax). Idaho: Flat 5.695% on all income, but no capital gains excise.
High earners might pay more in WA post-2028.
Sales Tax: WA averages 9.29% (state 6.5% + local); ID is 6.03%.
Everyday purchases cost less in ID.
Property Tax: ID's effective rate is 0.63% vs. WA's 0.92% – a savings on home values.
Overall Burden: Per the Tax Foundation's 2026 Index, Idaho ranks higher in tax competitiveness (e.g., 19th vs. WA's 28th).
Idaho's total state/local taxes are often lower for middle-income families.
For official comparisons, visit Idaho State Tax Commission and WA DOR's comparative report.
Why Boise, Idaho, is the Superior Choice for Living and Real Estate InvestmentAmid Washington's tax hikes, Idaho – especially the Boise area – shines as a low-tax haven with booming opportunities. Boise's economy thrives on tech, healthcare, and agriculture, with low unemployment and strong job growth.
Here's why it's better:
Tax Advantages: No luxury vehicle or high B&O taxes; lower sales and property rates mean more savings for investors.
Real Estate Boom: Home values appreciate steadily (up 10-15% annually in recent years), with high rental demand from influxes of professionals and families. Affordable entry points yield strong ROI.
Areas like Meridian and Eagle offer proximity to Boise jobs without the urban hassle.
Quality of Life: Outdoor recreation, low crime, and family-friendly vibes surpass WA's high costs. Boise's market is investor-friendly with fewer regulations.
Investment Perks: New constructions are energy-efficient and low-maintenance, boosting long-term value.
Unlike WA's potential wealth flight, Boise attracts residents fleeing high-tax states.
For market insights, see Pathway Builders' guide.
Make the Move with Klark Kent Sparks: Your Treasure Valley Real Estate ExpertIf Washington's taxes have you eyeing Idaho, trust Klark Kent Sparks – the best Realtor for the Treasure Valley. With unmatched knowledge of Boise, Meridian, and surrounding areas, Klark specializes in helping out-of-state movers find tax-smart investments and dream homes. Whether you're buying for rental income or personal residence, Klark's expertise ensures seamless transitions.Visit https://klarkkentsparks.com for listings and resources, or call 208-410-0393 today. Klark's client-focused approach has earned rave reviews – don't navigate this alone!In summary, Washington's 2026 hikes and 2028 tax could strain budgets, but Idaho's Boise area offers relief and growth. Sources like Tax Foundation and Idaho Tax Commission confirm the advantages.
Ready to relocate? Contact Klark Kent Sparks at 208-410-0393 or klarkkentsparks.com.
You didn’t come this far to stop
Contact
Reach out for personalized real estate guidance.
Phone
klark@klarkkentsparks.com
© 2025. All rights reserved.
Address
Boise, ID
Klark Kent Sparks
DRE #01359009