Atty. Mark C. Jansa

Atty. Mark C. Jansa

Mark C. Jansa is a lawyer practicing taxation law.

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Taxation Law Attorney · Serving Portland, OR

Profile Summary

About Mark C. Jansa at a Glance

Mark C. Jansa is a tax attorney based in Portland, Oregon. Educated at Creighton University J.D. (—) and Creighton University B.S.B.A. (—). Serves clients in Portland, OR and the surrounding metropolitan area.

Verified attorney profile · Updated October 2026

About Mark C. Jansa

  • Mark C. Jansa is a lawyer practicing taxation law
  • Mark C. received a B.S.B.A. degree from Creighton University, and
  • Mark C. practices in Portland, OR

Practice Areas Explained

Mark C. Jansa's Areas of Legal Practice

Each practice area below reflects the types of cases Mark C. Jansa handles, with a practical overview of what that area of law involves and how it may apply to your situation in Portland.

Tax Law in Portland

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

Mark C. Jansa is one of 84,606 tax attorneys indexed nationally. Browse tax attorneys in Oregon →

Jurisdictional Context

Why Local Counsel Matters in Portland

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

Portland Courts and Legal Process

Choosing a Portland-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 Oregon attorneys? Browse all attorneys in Portland or all attorneys in Oregon.

Frequently Asked

Common Questions About Mark C. Jansa

Where is Mark C. Jansa's law office located?
Mark C. Jansa's law practice is located in Portland, Oregon. You can contact the office directly through this profile page.
What practice areas does Mark C. Jansa handle?
Mark C. Jansa focuses on tax. Each practice area listed reflects experience handling cases of that type in Oregon.
Where did Mark C. Jansa go to law school?
Mark C. Jansa earned their education at (—); (—).
How can I contact Mark C. Jansa for a consultation?
You can contact Mark C. Jansa 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 Portland Choose Mark C. Jansa

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 Mark C. Jansa's practice in the field of tax.

Focused Tax Practice

Concentrating on tax means Mark C. Jansa's knowledge of relevant statutes, case law, and procedural nuances stays current — unlike generalist practices that spread attention across unrelated fields.

Local Presence in Portland

A Portland-based practice means Mark C. Jansa 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 Mark C. Jansa Handles in Portland

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

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 Mark C. Jansa directly to discuss the specifics of your situation.

Search Reference

How People Find Mark C. Jansa Online

Prospective clients searching for legal help in Portland 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 Mark C. Jansa.

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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 Mark C. Jansa directly.

Mark C. Jansa's Practice Areas & Specializations

Education & Law School Background

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Creighton University J.D.
- In Progress
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Creighton University B.S.B.A.
- In Progress

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