IRS problem in Seattle? Tax law is unforgiving. Get a tax lawyer.

Top 10 Tax Lawyers in Seattle

Washington has no state income tax — but the federal IRS, the Washington Department of Revenue (B&O tax, sales tax), and (since 2022) the Washington capital gains tax all apply. Federal cases run through the IRS Appeals Office, U.S. Tax Court, and the U.S. District Court for the Western District of Washington. Seattle has one of the deepest tax-controversy benches on the West Coast.

These 10 Seattle firms handle IRS audits, collections, criminal tax, offshore disclosures, and complex business tax planning.

How we picked these 10: We reviewed published verdicts and settlements, peer rankings (Best Lawyers, Super Lawyers, Chambers and Partners, Avvo), client review patterns, and bar association recognition. Firms that appeared consistently across independent sources made the list. We do not accept payment for placement, and we do not write sponsored reviews. More on our methodology →

1

LeSourd & Patten, P.S.

📍 Seattle Founded 1970 Boutique

Practice focus: Federal tax controversy, IRS, WA DOR

First-tier Seattle tax law and tax litigation firm. Best Lawyers annual listings.

Fee structure
Hourly
Free consultation
Initial $
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2

Insight Law

📍 Seattle (4 offices) Founded 2008 Mid-size

Practice focus: Tax controversy, audit defense, liens, levies

4 Seattle-area offices. Strong individual and business audit defense practice.

Fee structure
Hourly / Flat
Free consultation
Free
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3

Robert V. Boeshaar, Attorney

📍 Seattle Founded 2010 Solo/Boutique

Practice focus: Tax controversy

Sole practitioner. 14+ years as IRS Office of Chief Counsel attorney before private practice.

Fee structure
Hourly
Free consultation
Initial $
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4

Robert Chicoine Law

📍 Seattle Founded 2010 Boutique

Practice focus: Tax audits, appeals, penalties, lien/seizure defense

Robert Chicoine — former senior IRS Chief Counsel trial attorney.

Fee structure
Hourly
Free consultation
Initial $
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5

Perkins Coie LLP (Tax)

📍 Seattle Founded 1912 BigLaw

Practice focus: Federal tax controversy, civil and criminal

Veterans of IRS Chief Counsel, DOJ, U.S. Attorney offices. Tax Court, district court, Federal Claims.

Fee structure
Hourly
Free consultation
Initial $
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6

K&L Gates LLP (Tax)

📍 Seattle Founded 1883 BigLaw

Practice focus: Tax planning, controversy, international

Seattle-headquartered AmLaw 100 firm with deep tax practice.

Fee structure
Hourly
Free consultation
Initial $
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7

Davis Wright Tremaine (Tax)

📍 Seattle Founded 1893 BigLaw

Practice focus: Tax planning, controversy, transactional

Seattle AmLaw 200 firm with strong tax bench.

Fee structure
Hourly
Free consultation
Initial $
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8

Foster Garvey PC (Tax)

📍 Seattle Founded 1997 Mid-size

Practice focus: Tax planning, controversy, estate

Multi-state firm with Seattle tax bench.

Fee structure
Hourly
Free consultation
Initial $
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9

Schwabe, Williamson & Wyatt (Seattle Tax)

📍 Seattle Founded 1893 Mid-size

Practice focus: Tax planning, controversy

PNW firm with Seattle tax practice.

Fee structure
Hourly
Free consultation
Initial $
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10

Stokes Lawrence, P.S. (Tax)

📍 Seattle Founded 1984 Mid-size

Practice focus: Tax controversy, business tax

Mid-size Seattle firm with strong tax practice.

Fee structure
Hourly
Free consultation
Initial $
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What to expect from a Seattle tax matter

IRS audit: 6-18 months. Appeals: 6-12 months. Tax Court litigation: 18-36 months. Collections (offer in compromise, installment): 4-12 months.

What does a tax lawyer in Seattle cost?

Hourly: $400-$900. Flat-fee for specific matters (offer in compromise $4,500-$10,000). Audit defense usually hourly.

Red flags to watch for when picking a tax lawyer in Seattle

The legal directory you find on Google has thousands of Seattle tax firms. Most are competent. A few are problematic. The patterns to avoid:

Guaranteed outcomes. No ethical attorney can guarantee a result. If a firm promises a specific recovery, dismissal, or visa approval, walk away.

The disappearing partner. You meet a senior partner at intake, then never speak to them again. The case is handled by an unsupervised junior or a paralegal. Ask in writing who will be your day-to-day attorney.

Pressure to sign immediately. Reputable firms give you the retainer in writing, time to read it, and the option to take it home. High-pressure intake is almost always a sign of a volume mill, not a craftsperson's practice.

No verifiable track record. The firm should be able to point to verdicts, settlements, peer rankings, or bar association recognition. "We've helped thousands of clients" is marketing copy. Specific numbers, named cases, and third-party rankings are evidence.

Vague fee terms. "Don't worry about cost" is a red flag. Every legitimate Seattle lawyer will give you a written engagement letter with the fee structure, what's covered, what triggers extra charges, and what happens if you fire them.

10 questions to ask in your free consultation

Most Seattle firms on this list offer a free initial consultation. Use it. Bring a list of questions and write down the answers. Compare across at least two firms before you sign.

  1. Who, specifically, will handle my case day-to-day? Get a name. Get an email.
  2. How many cases like mine have you handled in the last three years? You want a number, not a brochure line.
  3. What is your fee, and what does it cover? Get the answer in writing before you sign.
  4. What case expenses am I responsible for, and when? Out-of-pocket costs surprise people. Ask now.
  5. What is the realistic range of outcomes for a case like mine? A good lawyer will give you a range. A bad one will promise the high end.
  6. How long will it take? Honest estimate, with the assumptions stated.
  7. Who else might be involved? Experts? Co-counsel? Larger cases routinely involve outside experts. Know who's on the team.
  8. How and how often will I hear from you? Email-only? Calls? Monthly updates? Set the expectation now.
  9. What happens if I want to change lawyers later? Rules allow it; the fee is sorted between firms. Make sure you understand the mechanics.
  10. What's the worst-case outcome for my case? A lawyer who refuses to discuss downside risk is selling you something.

What's specific about a tax case in Seattle

Seattle is its own market. The procedure, the courts, and the strategy are city- and state-specific in ways that matter to your outcome.

Local courthouses matter. King County Superior Court at the King County Courthouse and the U.S. District Court for the Western District of Washington have judges, calendars, and procedures that shape how cases move. A firm that knows the local courthouse has an advantage.

Filing deadlines are strict. Notice of Claim windows for cases against the City or County, Statute of Limitations periods, and pre-suit certification requirements vary by case type and are unforgiving. A missed deadline often means a lost case — full stop.

Local procedure rules matter. Each court has its own forms, motion practice, and judge preferences. The right Seattle firm will know not just the law, but the unwritten rules of the courthouse you'll be in.

Local plaintiffs/defendants do well in front of local juries. Verdict patterns vary by venue, and a trial-capable firm uses venue strategically.

Frequently asked questions

Tax lawyer vs CPA?

CPA prepares returns. Tax lawyer represents you in disputes, audits, criminal investigations, court.

Washington capital gains tax?

Yes — 7% on long-term capital gains over $262K (2023) for individuals. Confirmed by WA Supreme Court in 2023.

Can I go to jail for taxes?

Yes — willful evasion is a felony. Failure to file is also chargeable. Get counsel immediately if criminal.

FBAR / offshore?

FBAR (Form 114) required if foreign accounts over $10K. Penalties severe.

B&O tax?

Washington's gross receipts tax — applies to nearly all businesses operating in WA.

One last thing. Choosing a lawyer is personal. Read the reviews. Call two or three firms before you sign. Ask each one: How many cases like mine have you taken to verdict in the last three years? The answer tells you everything. — The LawFirmSquare team