Atty. David Mack

Atty. David Mack

David Mack is a lawyer practicing estate planning/probate/wills, guardianship, elder and 5 other areas of law. David received a M.S.T. degree from University of Washington in 2014, and has been licensed for 12 years.

Yakima Yakima 12 yrs experience 12 year
Call (509) 902-3086 Book Appointment

Profile Summary

About David Mack at a glance

David Mack is an Associate based in Yakima, Washington, practicing at Lyon Weigand & Gustafson PS. They have 12+ years of legal experience, licensed to practice since 2014. Their practice focuses on formation, contracts, probate, estate planning, and real estate. Admitted to practice in Washington (2014). Educated at University of Washington (M.S.T., 2014) and Seattle University (J.D., 2013). Serands clients in Yakima, WA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • David Mack is a lawyer practicing estate planning/probate/wills, guardianship, elder and 5 other areas of law
  • David received a M.S.T. degree from University of Washington in 2014, and has been licensed for 12 years
  • David practices at Lyon Weigand & Gustafson PS in Yakima, WA

Practice Areas Explained

David Mack's Areas of Practice

Each practice area below reflects the types of cases David Mack handles, with a brief overview of what that area of law covers.

Business Formation

David Mack is one of 35,584 formation attorneys indexed nationally. Browse formation attorneys in Washington →

Contracts

David Mack is one of 76,762 contracts attorneys indexed nationally. Browse contracts attorneys in Washington →

Probate

David Mack is one of 128,014 probate attorneys indexed nationally. Browse probate attorneys in Washington →

Estate Planning & Probate

An estate planning attorney prepares wills, trusts, powers of attorney, and healthcare directives to protect your family and pass on your assets.

David Mack is one of 226,536 estate planning attorneys indexed nationally. Browse estate planning attorneys in Washington →

Real Estate Law

Real estate attorneys handle home purchases, sales, commercial transactions, title disputes, and landlord-tenant matters.

David Mack is one of 316,149 real estate attorneys indexed nationally. Browse real estate attorneys in Washington →

Jurisdictional Context

Why local counsel matters in Washington

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 Yakima 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 andnue, 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.

Looking for additional Washington attorneys? Browse all attorneys in Yakima or all attorneys in Washington.

Frequently Asked

Common questions about David Mack

Where is David Mack's law office located?
David Mack's law practice is located in Yakima, Washington. The firm is Lyon Weigand & Gustafson PS. You can contact the office directly through this profile page.
What practice areas does David Mack handle?
David Mack focuses on formation, contracts, probate, estate planning, real estate. Each practice area listed reflects experience handling cases of that type in Washington.
How long has David Mack practiced law?
David Mack has 12+ years of legal experience and has been licensed since 2014.
Where did David Mack go to law school?
David Mack earned their education at (M.S.T., 2014); (J.D., 2013).
How can I contact David Mack for a consultation?
You can contact David Mack 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.

Education

M.S.T.
University of Washington
- 2014
J.D.
Seattle University
- 2013

Bar Admissions

Washington
Admitted: 2014

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