Atty. William A McCarthy

Atty. William A McCarthy

William A McCarthy is a lawyer practicing business law, tax, taxation law. William received a B.S. degree from University of Oregon in 1985, and has been licensed for 38 years.

Mount Vernon Mount Vernon 38 yrs experience 38 year
Call (360) 542-4039 Book Appointment

Business Law & More Attorney · Serving Mount Vernon, WA · 38+ Years Experience

Profile Summary

About William A McCarthy at a Glance

William A McCarthy is a Dist. Coun., I.R.S. based in Mount Vernon, Washington. They have 38+ years of legal experience, licensed to practice since 1988. Their practice focuses on business and tax. Admitted to practice in California (1988) and Washington (1997). Educated at University of Oregon (J.D., 1988) and University of Oregon (B.S., 1985). Serves clients in Mount Vernon, WA and the surrounding metropolitan area.

Verified attorney profile · Updated October 2026

About William A McCarthy

  • William A McCarthy is a lawyer practicing business law, tax, taxation law
  • William received a B.S. degree from University of Oregon in 1985, and has been licensed for 38 years
  • William practices in Mount Vernon, WA

Practice Areas Explained

William A McCarthy's Areas of Legal Practice

Each practice area below reflects the types of cases William A McCarthy handles, with a practical overview of what that area of law involves and how it may apply to your situation in Mount Vernon.

Business & Corporate Law in Mount Vernon

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

William A McCarthy is one of 497,491 business attorneys indexed nationally. Browse business attorneys in Washington →

Tax Law in Mount Vernon

Tax attorneys handle IRS audits, tax debt, international tax, estate planning, and tax court litigation.

William A McCarthy is one of 84,606 tax attorneys indexed nationally. Browse tax attorneys in Washington →

Jurisdictional Context

Why Local Counsel Matters in Mount Vernon

Practicing law in Washington. Legal matters in Washington are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Mount Vernon are typically filed in the local municipal court or the appropriate Washington state district court, depending on subject matter and amount in controversy. An attorney licensed in Washington brings working knowledge of local procedural deadlines, judicial practices in this venue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Washington courts without local counsel or pro hac vice admission.

Mount Vernon Courts and Legal Process

Choosing a Mount Vernon-based attorney means your counsel already knows the local docketing timelines, preferred filing formats, and how individual judges typically rule on procedural motions — details that only come from practicing in this jurisdiction day after day. That local familiarity can translate to better strategy, faster filings, and fewer costly surprises.

Looking for additional Washington attorneys? Browse all attorneys in Mount Vernon or all attorneys in Washington.

Frequently Asked

Common Questions About William A McCarthy

Where is William A McCarthy's law office located?
William A McCarthy's law practice is located in Mount Vernon, Washington. You can contact the office directly through this profile page.
What practice areas does William A McCarthy handle?
William A McCarthy focuses on business, tax. Each practice area listed reflects experience handling cases of that type in Washington.
How long has William A McCarthy practiced law?
William A McCarthy has 38+ years of legal experience and has been licensed since 1988.
Where did William A McCarthy go to law school?
William A McCarthy earned their education at (J.D., 1988); (B.S., 1985).
How can I contact William A McCarthy for a consultation?
You can contact William A McCarthy directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.

Professional Profile

Why Clients in Mount Vernon Choose William A McCarthy

Selecting an attorney is one of the most consequential decisions you can make when a legal matter arises. Below are the core qualities that distinguish William A McCarthy's practice in the field of business and tax.

Decade-Tested Legal Experience

William A McCarthy brings 38+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.

Multi-State Bar Admission

Licensed in California and Washington, William A McCarthy can represent clients in cases that span state lines or require counsel in multiple jurisdictions.

Broad Practice Area Coverage

Covering business and tax, William A McCarthy can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.

Local Presence in Mount Vernon

A Mount Vernon-based practice means William A McCarthy attends hearings in the same courthouses, knows the local clerks, and understands the unwritten scheduling norms that affect every case filed here.

Case Types

Common Legal Issues William A McCarthy Handles in Mount Vernon

Below is a representative sample of the types of matters William A McCarthy has experience with under Washington law. If your situation involves one of these case categories, this attorney may be well positioned to help you understand your options.

Business formation and structure
Business
Contract drafting and review
Business
Partnership disputes
Business
Merger and acquisition support
Business
IRS audit representation
Tax
Tax lien and levy defense
Tax
Offer in compromise
Tax
Business tax planning
Tax

This list is illustrative, not exhaustive. Contact William A McCarthy directly to discuss the specifics of your situation.

Search Reference

How People Find William A McCarthy Online

Prospective clients searching for legal help in Mount Vernon commonly use a combination of the attorney's name and their specific legal need. The following search terms frequently lead people to this profile and to attorneys like William A McCarthy.

William A McCarthy attorney William A McCarthy lawyer William A McCarthy Mount Vernon William A McCarthy Washington William A McCarthy reviews William A McCarthy contact business attorney in Mount Vernon business lawyer Mount Vernon best business attorney Mount Vernon top rated business lawyer near me business attorney Washington find a lawyer near me how to hire an attorney

If any of the above matches what you searched for, you've found the right profile. Use the contact options at the top of this page to get in touch with William A McCarthy directly.

William A McCarthy's Practice Areas & Specializations

Education & Law School Background

J.D.
University of Oregon
- 1988
B.S.
University of Oregon
- 1985

Bar Admissions & Licensed Jurisdictions

California
Admitted: 1988
Washington
Admitted: 1997

Client Reviews & Ratings — William A McCarthy

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