Real Estate Tax Calc
Why Washington State Attracts Real Estate Investors
Washington State has no personal income tax, which means rental income from Washington investment properties is not subject to any state income tax — a substantial advantage over states like California (up to 13.3%), Illinois (4.95%), or Maryland (up to 8.95% combined). For a landlord generating $50,000 in annual net rental income, the absence of Washington income tax saves $2,475 to $6,650 per year compared to those states.
The Seattle-Tacoma-Bellevue metro, Spokane, and other Washington markets have attracted significant investment interest due to the tech economy, strong wage growth, and sustained in-migration. Cap rates in the Seattle area are typically 3.5 to 5 percent for multifamily, which are compressed compared to Midwest markets, but the absence of state income tax improves after-tax returns.
This guide explains the Washington tax rules most relevant to investment property owners: the absence of income tax, the capital gains tax and real estate exemption, the Real Estate Excise Tax (REET), property taxes, the Washington estate tax, and B&O tax considerations.
Washington Has No State Income Tax on Rental Income
Washington State does not impose a personal income tax. Net rental income from Washington investment properties is not subject to any Washington state income tax regardless of the amount earned. This is a fundamental structural difference from most other states and a primary driver of Washington’s attractiveness for real estate investors who are in high federal tax brackets.
The absence of income tax means depreciation deductions, while valuable for federal tax purposes, produce no state income tax savings — because there is no state income tax to reduce. A cost segregation study that saves an investor $15,000 in federal income tax produces zero direct Washington state tax savings. The federal benefit still applies, but investors should not inflate after-tax return projections with a phantom state income tax saving.
Washington does not have a corporate income tax on standard business entities. The primary Washington business tax is the Business and Occupation (B&O) tax, which is discussed below. Rental income from residential properties held for passive investment purposes generally does not trigger B&O tax obligations, but investors should verify with a Washington CPA for their specific circumstances.
Washington Capital Gains Tax and the Real Estate Exemption
Washington enacted a 7% capital gains tax on net long-term capital gains exceeding $250,000 per year, effective beginning with the 2022 tax year. The tax was upheld by the Washington Supreme Court in 2023. The $250,000 threshold is not indexed for inflation.
Critically, real estate gains are expressly exempt from the Washington capital gains tax under RCW 82.87.040. The exemption covers gains from the sale of real property, which includes investment real estate. A Washington investor selling a rental property at a $500,000 gain pays no Washington capital gains tax on that gain, even though gains over $250,000 from stock sales or other capital assets would be subject to the 7% tax.
The practical implication is that Washington investors in real estate are largely insulated from the 7% capital gains tax. The tax primarily affects sellers of stocks, business interests, and other non-real estate assets. However, the law is relatively new and its application to specific fact patterns — such as gains from the sale of a partnership interest in a real estate partnership — should be confirmed with a Washington tax attorney before a transaction.
Washington Real Estate Excise Tax (REET)
Washington imposes a graduated Real Estate Excise Tax (REET) on the sale of real property. The tax is paid by the seller and is based on the selling price. As of 2024, the state REET rate structure is: 1.1% on the portion of the selling price up to $500,000; 1.28% on the portion from $500,000 to $1,500,000; 2.75% on the portion from $1,500,000 to $3,000,000; and 3.0% on the portion above $3,000,000.
On a $1,000,000 sale of a Washington investment property, the REET calculation would be: $500,000 × 1.1% = $5,500; $500,000 × 1.28% = $6,400; total state REET = $11,900. Cities and counties can also impose a local REET (typically 0.25% or 0.5%) on top of the state rate. The combined state-plus-local REET on a $1,000,000 sale can reach $14,000 to $17,000.
The REET is deductible as a selling expense, reducing the seller’s amount realized on sale and therefore reducing the federal taxable gain. For a Washington investor selling a property at a $300,000 gain, the REET on a $1,000,000 sale reduces the federal taxable gain by approximately $11,900, saving roughly $1,785 to $2,380 in federal capital gains tax depending on the applicable rate.
Washington Property Taxes
Washington property taxes are set at the county level with both state and local levies. The state’s constitution limits combined property tax levies to $10 per $1,000 of assessed value ($1.0%) for most purposes, though specific levies (like school bonds) can add to this. In King County (Seattle metro), effective rates for investment properties typically run between 0.9% and 1.2% of assessed value, which is moderate compared to Chicago or Baltimore.
Washington assesses property at 100% of fair market value. Assessments are conducted annually by county assessors. Washington does not offer a homestead exemption for non-owner-occupied properties, so investment properties are assessed and taxed at the full rate without reductions.
Property taxes on Washington rental properties are deductible as a business expense on Schedule E without the $10,000 SALT cap. However, because Washington has no state income tax, there is no Washington state income tax savings from the deduction. The benefit is purely federal. A $10,000 annual property tax bill reduces federal taxable income by $10,000, saving $1,500 to $2,000 in federal income tax depending on your bracket.
Washington Estate Tax
Washington State imposes an estate tax on estates with a taxable value exceeding approximately $2,193,000 (the 2023 exemption, indexed annually for inflation). This threshold is far lower than the federal estate tax exemption of over $13 million, meaning many Washington real estate investors with modest portfolios can face Washington estate tax even though they are far below the federal threshold.
Washington estate tax rates are progressive, ranging from 10% to a top rate of 20% on the portion of the estate exceeding approximately $9 million. For a Washington investor with a $3,000,000 taxable estate (three properties at $1 million each, net of mortgages), the Washington estate tax could be approximately $100,000 to $200,000 depending on applicable deductions and credits.
Washington does not impose an inheritance tax; the estate tax is levied at the estate level, not on the beneficiary. Estate planning strategies including qualified personal residence trusts, family limited partnerships, charitable remainder trusts, and stepped-up basis planning are commonly used by Washington investors to manage the estate tax exposure. Consult a Washington estate attorney when your investment portfolio approaches the threshold.
B&O Tax and Short-Term Rental Considerations
Washington’s Business and Occupation (B&O) tax is a gross receipts tax on business activities in Washington. Standard long-term residential rental activity by a passive investor generally does not constitute a taxable ‘business’ for B&O tax purposes, because passive rental income is typically characterized as investment income rather than business income. However, the line between passive rental and active real estate business can depend on facts and circumstances.
Short-term rentals (Airbnb, VRBO) may be treated differently. Operators of short-term rental businesses may have B&O tax obligations under the “service and other activities” classification, depending on the volume of activity. Washington also collects a state lodging tax from short-term rental platforms in most circumstances, and municipalities like Seattle have additional lodging and rental regulations.
For traditional long-term residential rentals, most individual investors will have no B&O tax obligation. Confirm with a Washington CPA if your rental activity involves any business-like operations, significant management involvement, or commercial properties that might more clearly constitute a business.
Common Mistakes Washington Real Estate Investors Make
Inflating after-tax returns with a phantom state income tax saving from depreciation. Because Washington has no income tax, depreciation does not produce a Washington state tax saving. The federal depreciation benefit is real and significant, but state-level tax savings from cost segregation do not exist in Washington. Investors comparing Washington returns to high-income-tax states should focus on the absence of rental income tax as the advantage, not depreciation-derived state savings.
Overlooking the REET on exit. The graduated REET can reach 2.75% or 3.0% on the portion of the sale price above $1.5 million. For high-value Seattle properties, the REET can be a larger transaction cost than expected. Model the REET as a selling expense and factor it into your projected net proceeds from sale.
Failing to plan for Washington’s low estate tax threshold. The $2.2 million Washington estate tax threshold is reachable for investors with even two or three properties in the Seattle market. Unlike federal estate tax planning, which is typically deferred until estates reach $5 to $10 million, Washington estate tax planning should begin when a portfolio approaches $1 to $2 million in net equity. The top 20% rate means the cost of inaction is high.
Frequently asked questions
Does Washington State tax rental income?
No. Washington has no personal income tax, so net rental income from Washington investment properties is not subject to any Washington state income tax. This is one of Washington’s primary tax advantages for real estate investors. The only Washington-level taxes on rental activities are the B&O tax (which generally does not apply to passive residential rentals), property taxes, and — at sale — the Real Estate Excise Tax.
Is real estate exempt from Washington’s 7% capital gains tax?
Yes. Real estate gains are expressly exempt from Washington’s 7% capital gains tax under RCW 82.87.040. The capital gains tax applies to net long-term gains over $250,000 from stocks and other financial assets, but direct real estate sales are carved out. A Washington investor selling a rental property at any gain amount pays no Washington capital gains tax on that real estate gain, regardless of size.
What is Washington’s Real Estate Excise Tax (REET)?
Washington’s REET is a graduated seller-paid tax on the sale of real property. As of 2024, rates are 1.1% (up to $500K), 1.28% ($500K to $1.5M), 2.75% ($1.5M to $3M), and 3.0% (above $3M). Local REET of 0.25% to 0.5% may also apply. The REET is deductible as a selling expense, reducing your federal taxable gain. For a $1,000,000 sale, the state REET is approximately $11,900.
Does Washington State have an estate tax?
Yes. Washington imposes a state estate tax on estates exceeding approximately $2,193,000 (2023 threshold, indexed for inflation). Rates are progressive from 10% to 20%. This threshold is far below the federal exemption, meaning many Washington real estate investors face estate tax at the state level even without approaching the federal threshold. The top 20% rate on the largest estates makes Washington one of the higher estate tax burden states.
What is the typical property tax rate for Seattle area investment properties?
Effective property tax rates in King County (Seattle metro) typically run 0.9% to 1.2% of assessed value for investment properties. Washington assesses at 100% of market value. There are no homestead exemptions for non-owner-occupied properties. Property taxes are a deductible business expense on Schedule E. Because Washington has no income tax, the deduction only provides federal income tax savings, not state savings.
Do I owe Washington B&O tax on long-term residential rental income?
Generally no. Passive long-term residential rental income by an individual investor typically does not constitute a business activity subject to Washington’s B&O tax. However, short-term rental operators, commercial property owners, and investors with high levels of active involvement may have B&O tax obligations depending on their specific activities. Confirm with a Washington CPA for your situation.
Sources
Educational information and estimates only. Not tax advice. Tax rules change and vary by situation; consult a qualified tax professional before acting.