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Expert Tax Preparation & Accounting for Individuals and Businesses | Z Tax & Accounting
Navigating taxes in Washington requires in-depth knowledge of federal, state, and local tax regulations, particularly for businesses operating in multiple cities and counties. Z Tax & Accounting provides professional Local, State, and Federal Tax Services for individuals, small businesses, and corporations throughout Washington, helping clients maximize deductions, maintain compliance, and reduce liabilities.
Our experienced professionals also provide IRS and Washington Department of Revenue audit representation, giving clients confidence when facing audits or tax-related disputes.
Whether you live or operate in Seattle, Spokane, Tacoma, Bellevue, or Olympia, we deliver precise, reliable, and customized tax solutions to meet your unique financial needs.
Comprehensive Tax Services for Washington Residents & Businesses
1. Local & Municipal Tax Services
Washington municipalities impose local sales taxes, business and occupation (B&O) taxes, and property taxes. Z Tax & Accounting ensures full compliance with local requirements.
Our local tax services include:
Municipal business license registration and local B&O tax filings
Sales and use tax reporting for businesses operating across cities
Property tax review and planning for business and personal assets
We help multi-location businesses properly allocate taxes across Washington counties and cities, reducing risk of penalties and audits.
2. Washington State Tax Preparation & Filing
Washington does not have a personal income tax, but businesses are subject to B&O tax, sales and use tax, and employer withholding taxes. Z Tax & Accounting provides professional state tax services to ensure compliance with the Washington Department of Revenue.
While there is no personal income tax, residents may have other filing obligations, such as:
Sales and use tax on purchases
Business-related tax obligations if self-employed or running a side business
Property tax management and planning
We assist businesses with full compliance for:
Business & Occupation (B&O) Tax Filing
Sales and Use Tax Filings
Estimated tax payments and extensions
Business registration and licensing through the Washington Department of Revenue
Our team ensures accurate reporting while identifying opportunities to minimize state-level liabilities.
3. Federal Tax Services (IRS Filings & Compliance)
Z Tax & Accounting provides full-service federal tax preparation for individuals and businesses in Washington, ensuring compliance and optimization for deductions and credits.
Federal Income Tax Returns (Form 1040 and schedules)
Deductions for retirement contributions, education, home office, and dependents
Quarterly estimated tax planning
Depreciation, asset management, and deduction optimization
Quarterly estimated payments and payroll compliance
All federal returns are carefully reviewed and electronically filed for accuracy and efficiency.
IRS & Washington Department of Revenue Audit Representation
IRS Audit Representation
An IRS audit can be complicated and stressful. Z Tax & Accounting provides professional IRS audit representation, managing the entire process on your behalf.
Services include:
Review of prior filings and supporting documentation
Representation for correspondence or in-person audits
Negotiation of settlements, penalty abatements, or installment agreements
Filing amended returns or appeals if necessary
We work to protect your rights and minimize exposure.
Washington Department of Revenue Audit Representation
The Washington Department of Revenue audits businesses to ensure compliance with state tax laws. Z Tax & Accounting offers comprehensive audit support, including:
Preparation and review of documentation for audits
Representation during state audits
Sales, use, B&O, and payroll tax audit management
Response to notices, assessments, and appeals
Our team ensures audits are handled efficiently, professionally, and in compliance with state regulations.
Year-Round Tax Planning & Advisory
At Z Tax & Accounting, tax planning is proactive and year-round. We provide advisory services for Washington residents and businesses to reduce liabilities and achieve long-term financial growth.
Services include:
Business entity selection and tax strategy
Multi-state tax planning for businesses operating across jurisdictions
Retirement and investment tax planning (IRA, 401k, SEP, Solo 401k)
Estimated tax and cash flow management
IRS and Washington Department of Revenue correspondence management
Estate and succession planning
Proactive planning helps clients minimize taxes while remaining fully compliant.
Why Washington Clients Choose Z Tax & Accounting
Clients across Washington rely on Z Tax & Accounting for accuracy, professionalism, and personalized service.
Our Advantages:
Licensed tax professionals with expertise in IRS and Washington tax law
Comprehensive services for individuals, small businesses, and corporations
Transparent pricing with no hidden fees
Year-round support and guidance
We proudly serve clients in Seattle, Spokane, Tacoma, Bellevue, Olympia, Everett, and surrounding areas, providing trusted tax preparation, planning, and audit representation.
Schedule Your Consultation
Simplify your taxes and protect your financial interests with Z Tax & Accounting. Our firm provides professional Local, State, and Federal Tax Services, along with expert IRS and Washington Department of Revenue audit representation.
📞 Contact us today to schedule your consultation & to securely submit your documents.
Let Z Tax & Accounting handle your taxes while you focus on growing your business and securing your financial future.
Washington Department of Revenue
P.O. Box 47478
Olympia, WA 98504-7478
Phone: 360-705-6705 or 711 (TTY)
Fax: 360-705-6655
Understanding Washington Sales & Use Tax
Washington relies heavily on sales and use tax, applying it to most retail purchases of goods and many services. The state rate is 6.5%, but cities and counties add their own local rates, making the combined rate location-dependent.
What is subject to sales tax?
Tangible goods
Digital products
Many services (IT, digital, repairs, etc.)
Prepared food & restaurant meals
Lodging
Construction labor in many situations
Use tax
If you buy something outside Washington and use it inside the state, but no WA sales tax was paid, you may owe use tax.
Why rates vary
Local transit districts, cities, and counties set additional percentages. Businesses must charge the rate based on the customer’s location (destination-based sourcing).
Business tips
Use the DOR’s rate lookup tool for invoices.
Track rule changes yearly as taxable service categories keep expanding.
Ensure marketplace sellers are compliant with destination-based rules.
Need help with Washington sales tax compliance?
Contact Z Tax & Accounting at 214-699-4790.
Washington B&O Tax (Gross Receipts Tax)
What Makes Washington’s B&O Tax Unique?
Washington does not impose a traditional income tax on businesses. Instead, it uses a B&O tax, which taxes gross receipts—not profit.
Key B&O classifications
Retailing
Wholesaling
Service & Other Activities
Manufacturing
Extracting
Each has its own tax rate.
Why the B&O system matters
Since the tax is assessed on total revenue:
Low-margin businesses can feel a bigger burden
Deductions are limited
Accurate classification is critical
Credits apply only in narrow, industry-specific cases
Filing reminders
Most businesses file monthly, quarterly, or annually depending on volume.
Out-of-state businesses may still owe B&O if they have economic nexus.
Recordkeeping for each activity classification is essential.
Not sure how to classify your Washington activities?
Z Tax & Accounting can help — 214-699-4790.
Washington Property Tax Overview
Understand how Washington property taxes work, how values are assessed, and what homeowners and businesses should expect.
Who imposes property taxes?
Property taxes in Washington are levied by local governments:
Counties
Cities
School districts
Fire districts
Hospital and port districts
Washington uses a budget-based system, meaning taxing districts set budgets first, then divide across local assessed value.
How property is valued
County assessors determine:
Land value
Improvement value
Total assessed value (AV)
Owners can appeal if the assessed value is incorrect.
Which properties are taxed?
Residential real estate
Commercial and industrial property
Personal property used in business
What affects the tax bill?
Local levy rates
Voter-approved bonds & levies
Property classification
Exemptions (senior/disabled programs, nonprofit exemptions)
Have questions about property tax reporting or appeals?
Call Z Tax & Accounting at 214-699-4790.
Washington Real Estate Excise Tax (REET)
Learn REET rates, who pays them, and how Washington’s graduated structure impacts real estate transactions.
What is REET?
Washington’s Real Estate Excise Tax applies to the sale or transfer of real property.
The seller typically pays, though contracts can shift the burden.
Washington’s REET structure
The state uses a graduated rate based on selling price. Higher-value sales face higher percentages. Local governments may impose additional REET.
Transactions subject to REET
Home sales
Commercial property sales
Transfers through LLCs or corporate ownership changes
Some gifting or inheritance transfers
Common issues
Misreporting sale price
Undisclosed controlling-interest transfers
Local REET variations
Incorrect exemptions (e.g., divorce, inheritance)
Need REET guidance before closing a property sale?
Z Tax & Accounting can help — 214-699-4790.
Washington Capital Gains Tax (High-Income Tax)
A concise explanation of Washington’s capital gains tax, who must file, and which assets are exempt.
Washington’s Capital Gains Excise Tax
Although Washington has no income tax, it imposes a state capital gains excise tax on large gains.
What’s taxed?
Tax applies to net long-term capital gains above the annual standard deduction threshold.
Common taxable assets
Shares of stock
Business interests
Non-exempt investment assets
Exemptions include
Real estate
Retirement accounts
Livestock & timber
Certain small business gains (subject to strict requirements)
Why this tax matters
High-income individuals selling major assets could owe substantial tax. Planning should occur before the sale of the asset.
For capital gains tax planning, call Z Tax & Accounting at 214-699-4790.
Washington Estate Tax (Not the Same as Federal)
Learn about Washington’s estate tax, the exemption threshold, rates, and how to plan effectively.
Washington has a separate state estate tax
Washington imposes an estate tax in addition to the federal system.
The state exemption threshold and rates differ from federal values.
What estates are taxed?
Estates above the WA threshold (adjusted periodically) may owe tax on the portion exceeding the exemption.
Unique Washington features
Progressive rates
Different exemption from federal rules
Deductions for certain charitable transfers
Portability rules differ from federal estate tax
Who should plan ahead?
High-net-worth individuals
Business owners
Families holding real estate or large investments
Individuals anticipating generational wealth transfers
Need estate tax projections or planning?
Call Z Tax & Accounting — 214-699-4790.
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