Atty. Daniel A. O'Callaghan

Atty. Daniel A. O'Callaghan

Atty. Daniel A.

Madison Madison 21 J. Erfahrung 21 year
Call (608) 817-3183 Book Appointment

Profile Summary

About Daniel A. O'Callaghan at a glance

Daniel A. O'Callaghan is a Member based in Madison, Wisconsin, practicing at Carlson Black O’Callaghan & Battenberg LLP. They have 21+ years of legal experience, licensed to practice since 2005. Their practice focuses on real estate, tax, and zoning. Admitted to practice in Wisconsin (2005), U.S. District Court, Eastern District of Wisconsin (2005), and U.S. District Court, Western District of Wisconsin (2005). Educated at University of Wisconsin-Madison Law School (J.D., 2005) and University of Wisconsin-Milwaukee (B.B.A., 2001). Recognitions include Peer Reviewed. Serands clients in Madison, WI and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

Über uns

  • Atty. Daniel A. O'Callaghan is a lawyer practicing real estate, land use, land use & zoning and 2 other areas of law
  • Daniel received a B.B.A. degree from University of Wisconsin-Milwaukee in 2001, and has been licensed for 21 years
  • Daniel practices at Carlson Black O’Callaghan & Battenberg LLP in Madison, WI

Practice Areas Explained

Daniel A. O'Callaghan's Areas of Practice

Each practice area below reflects the types of cases Daniel A. O'Callaghan handles, with a brief overview of what that area of law covers.

Real Estate Law

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

Daniel A. O'Callaghan is one of 316,149 real estate attorneys indexed nationally. Browse real estate attorneys in Wisconsin →

Tax Law

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

Daniel A. O'Callaghan is one of 85,302 tax attorneys indexed nationally. Browse tax attorneys in Wisconsin →

Land Use & Zoning

Daniel A. O'Callaghan is one of 40,226 zoning attorneys indexed nationally. Browse zoning attorneys in Wisconsin →

Jurisdictional Context

Why local counsel matters in Wisconsin

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

Looking for additional Wisconsin attorneys? Browse all attorneys in Madison or all attorneys in Wisconsin.

Frequently Asked

Common questions about Daniel A. O'Callaghan

Where is Daniel A. O'Callaghan's law office located?
Daniel A. O'Callaghan's law practice is located in Madison, Wisconsin. The firm is Carlson Black O’Callaghan & Battenberg LLP. You can contact the office directly through this profile page.
What practice areas does Daniel A. O'Callaghan handle?
Daniel A. O'Callaghan focuses on real estate, tax, zoning. Each practice area listed reflects experience handling cases of that type in Wisconsin.
How long has Daniel A. O'Callaghan practiced law?
Daniel A. O'Callaghan has 21+ years of legal experience and has been licensed since 2005.
Where did Daniel A. O'Callaghan go to law school?
Daniel A. O'Callaghan earned their education at (J.D., 2005); (B.B.A., 2001).
How can I contact Daniel A. O'Callaghan for a consultation?
You can contact Daniel A. O'Callaghan 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.
What awards or recognition has Daniel A. O'Callaghan received?
Daniel A. O'Callaghan's notable recognition includes: Peer Reviewed.

Education

J.D.
University of Wisconsin-Madison Law School
- 2005
B.B.A.
University of Wisconsin-Milwaukee
- 2001

Awards

Peer Reviewed

Bar Admissions

Wisconsin
Admitted: 2005
U.S. District Court, Eastern District of Wisconsin
Admitted: 2005
U.S. District Court, Western District of Wisconsin
Admitted: 2005

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