Atty. Mark William Oszust

Atty. Mark William Oszust

Mark W. Oszust is a construction attorney who represents general contractors, subcontractors, owners, and design professionals in various construction disputes involving claims for additional compensation and labor inefficiencies, design defects, indemnification, construction liens, and bonds (payment and performance).

Detroit Detroit 8 yrs experience 8 year
Call (313) 379-8833 Email Book Appointment

Profile Summary

About Mark William Oszust at a glance

Mark William Oszust is a Senior Counsel based in Detroit, Michigan, practicing at Kotz Sangster Wysocki P.C.. They have 8+ years of legal experience, licensed to practice since 2018. Their practice focuses on business, real estate, construction, litigation, and appellate. Admitted to practice in Michigan (2018). Educated at Wayne State University (J.D., 2018) and University of Michigan - Ann Arbor (B.A., 2015). Serands clients in Detroit, MI and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mark W. Oszust is a construction attorney who represents general contractors, subcontractors, owners, and design professionals in various construction disputes involving claims for additional compensation and labor inefficiencies, design defects, indemnification, construction liens, and bonds (payment and performance)
  • He has successfully resolved construction disputes prior to trial and has significant first-chair arbitration and trial experience
  • He also assists his construction clients with contract drafting, negotiation, interpretation, and proper contract compliance to reduce risk and promote successful project completion
  • Mark also focuses his practice on complex commercial and class action litigation and appellate law
  • He has obtained favorable rulings from the U.S
  • Court of Appeals for the Sixth Circuit and Michigan Court of Appeals whereby the courts held that equity in real property is a protected property right under the federal and Michigan Constitutions
  • Prior to joining Kotz Sangster, Mark worked at one of Michigan’s largest law firms and a preeminent boutique litigation firm specializing in construction and commercial litigation
  • Clients rely on Mark for his expertise to provide strategic legal advice, break down complex legal issues into clear and actional steps, and efficiently resolve disputes to keep projects moving forward while protecting their interests every step of the way

Practice Areas Explained

Mark William Oszust's Areas of Practice

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

Business & Corporate Law

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

Mark William Oszust is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Michigan →

Real Estate Law

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

Mark William Oszust is one of 316,149 real estate attorneys indexed nationally. Browse real estate attorneys in Michigan →

Construction Law

Mark William Oszust is one of 40,689 construction attorneys indexed nationally. Browse construction attorneys in Michigan →

Civil Litigation

Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.

Mark William Oszust is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in Michigan →

Appellate Practice

Appellate attorneys for civil and criminal appeals at state and federal court.

Mark William Oszust is one of 86,319 appellate attorneys indexed nationally. Browse appellate attorneys in Michigan →

Jurisdictional Context

Why local counsel matters in Michigan

Practicing law in Michigan. Legal matters in Michigan are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Detroit are typically filed in the local municipal court or the appropriate Michigan state district court, depending on subject matter and amount in controversy. An attorney licensed in Michigan 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 Michigan courts without local counsel or pro hac vice admission.

Looking for additional Michigan attorneys? Browse all attorneys in Detroit or all attorneys in Michigan.

Frequently Asked

Common questions about Mark William Oszust

Where is Mark William Oszust's law office located?
Mark William Oszust's law practice is located in Detroit, Michigan. The firm is Kotz Sangster Wysocki P.C.. You can contact the office directly through this profile page.
What practice areas does Mark William Oszust handle?
Mark William Oszust focuses on business, real estate, construction, litigation, appellate. Each practice area listed reflects experience handling cases of that type in Michigan.
How long has Mark William Oszust practiced law?
Mark William Oszust has 8+ years of legal experience and has been licensed since 2018.
Where did Mark William Oszust go to law school?
Mark William Oszust earned their education at (J.D., 2018); (B.A., 2015).
How can I contact Mark William Oszust for a consultation?
You can contact Mark William Oszust 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

J.D.
Wayne State University
- 2018
B.A.
University of Michigan - Ann Arbor
- 2015

Bar Admissions

Michigan
Admitted: 2018

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