Atty. David O. Wallenberg
David O. Wallenberg is a lawyer practicing environmental law, air quality.
Air Quality & More Attorney · Serving Washington, DC · 36+ Years Experience
Profile Summary
About David O. Wallenberg at a Glance
David O. Wallenberg is a Sr. Staff Assoc., STAPPA ALAPCO based in Washington, District of Columbia. They have 36+ years of legal experience, licensed to practice since 1990. Their practice focuses on environmental. Admitted to practice in South Dakota (1990). Educated at University of South Dakota (J.D., 1989) and University of South Dakota (B.S., 1983). Serves clients in Washington, DC and the surrounding metropolitan area.
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About David O. Wallenberg
- David O. Wallenberg is a lawyer practicing environmental law, air quality
- David O. received a B.S. degree from University of South Dakota in 1983, and has been licensed for 36 years
- David O. practices in Washington, DC
Practice Areas Explained
David O. Wallenberg's Areas of Legal Practice
Each practice area below reflects the types of cases David O. Wallenberg handles, with a practical overview of what that area of law involves and how it may apply to your situation in Washington.
Environmental Law in Washington
Environmental attorneys for regulatory compliance, contamination, land use, and natural resource law.
David O. Wallenberg is one of 55,977 environmental attorneys indexed nationally. Browse environmental attorneys in District of Columbia →
Jurisdictional Context
Why Local Counsel Matters in Washington
Practicing law in District of Columbia. Legal matters in District of Columbia are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Washington are typically filed in the local municipal court or the appropriate District of Columbia state district court, depending on subject matter and amount in controversy. An attorney licensed in District of Columbia 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 District of Columbia courts without local counsel or pro hac vice admission.
Washington Courts and Legal Process
Choosing a Washington-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 District of Columbia attorneys? Browse all attorneys in Washington or all attorneys in District of Columbia.
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Professional Profile
Why Clients in Washington Choose David O. Wallenberg
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 David O. Wallenberg's practice in the field of environmental.
Decade-Tested Legal Experience
David O. Wallenberg brings 36+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.
Focused Environmental Practice
Concentrating on environmental means David O. Wallenberg's knowledge of relevant statutes, case law, and procedural nuances stays current — unlike generalist practices that spread attention across unrelated fields.
Local Presence in Washington
A Washington-based practice means David O. Wallenberg attends hearings in the same courthouses, knows the local clerks, and understands the unwritten scheduling norms that affect every case filed here.
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How People Find David O. Wallenberg Online
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David O. Wallenberg's Practice Areas & Specializations
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