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David O'Brien, Environmental Attorney in the United States

Over 42 years of legal practice · focused on Environmental and Real Estate

Practicing environmental since 1984.

42+
Years practicing
1
Bar admission

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Quick answer

David O'Brien is an attorney based in Toronto, ON. The practice focuses on Environmental and Real Estate. David has over 42 years of legal experience.

Based in
Toronto, ON
Experience
over 42 years
Known for
Environmental · Real Estate
  • Handles Environmental and Real Estate matters from Toronto, ON.
  • Over 42 years of practice as a licensed attorney.

About David O'Brien: David O'Brien is an attorney based in Toronto, ON. The practice focuses on Environmental and Real Estate. David has over 42 years of legal experience.

Areas of practice

David's practice areas in the U.S.

David concentrates on environmental and real estate. Each area below outlines the kind of case David handles, typical outcomes to expect, and how the intake process starts.

Environmental cases nationwide

David takes environmental matters nationwide. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before David agrees to represent you.

Real Estate cases nationwide

David takes real estate matters nationwide. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before David agrees to represent you.

Biography

David O'Brien, environmental attorney serving the U.S.

David O'Brien is an attorney based in Toronto, ON. The practice focuses on Environmental and Real Estate. David has over 42 years of legal experience. David works from the U.S. and takes on environmental matters across the region.

David O'Brien is a lawyer practicing real estate, environmental. David received a degree from University of Cambridge in 1978, and has been licensed for 42 years. David practices in Toronto, ON.

Working with David on a environmental matter

David O'Brien is a lawyer practicing real estate, environmental. David received a degree from University of Cambridge in 1978, and has been licensed for 42 years. David practices in Toronto, ON.

Who David represents

David reviews new inquiries case-by-case for environmental and real estate matters in the United States.

Credentials

Credentials — where David studied and practices

  • Osgoode Hall Law School of York University

    LL.B. · 1982

  • University of Cambridge

    Master · 1978

Jurisdictions

David's state bar admissions

  • Ontario

    1984 · ACTIVE

David studied at LL.B. in Osgoode Hall Law School of York University and Master in University of Cambridge.

Law school and academic background

David completed LL.B. in Osgoode Hall Law School of York University and Master in University of Cambridge. Formal legal training is one signal of substantive knowledge — the day-to-day practice David runs in the state is where that training gets applied to real client questions.

Locations

David O'Brien's office in Toronto

David's primary office is at 1 Address Unknown, Toronto, ON, M5L 1A9. In-person meetings are by appointment; a phone intake usually comes first.

Main office

1 Address Unknown

Toronto, ON M5L 1A9

Open in Google Maps

Client feedback

Client reviews of David O'Brien

David has not yet collected verified client reviews on LawyersListed. Reviews here are all from confirmed clients; anonymous ratings are moderated out.

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Hiring guide

How to hire David O'Brien — what to expect in your first consultation

Working with a new environmental attorney should feel structured. Here's how the first two conversations with David usually go, from the moment you request a consult to the day representation begins.

Consultation formats and pricing

David charges for the initial consult. That fee is credited toward representation if you retain David's office.

What to bring to your first meeting

Bring any documents you already have — police reports, medical records, filed pleadings, correspondence from an insurer, a copy of the contract at issue. If you're not sure, err on the side of bringing everything; David will tell you what matters and what doesn't.

Questions to ask a environmental attorney in your state

A short list to run through before you commit: How many environmental matters have you handled in the last year? What's your fee structure? Who else in the office will work on this? What's your realistic estimate of timeline and range of outcomes? How do I reach you between meetings?

Fees & payment

Fees, payment methods, and consultation options for David

David discusses fees during intake so the arrangement fits the matter. Contingency, hourly, and flat-fee options are all common in environmental practice — ask which fits.

Hourly rates, contingency fees, and flat-fee options

Every environmental matter is priced differently. Simple document review might be a flat fee. Injury litigation is often contingency. Complex commercial disputes usually run hourly with a retainer. David confirms the model in the engagement letter before any work starts.

Payment methods and payment plans

David's office accepts standard payment methods. Ask about payment plans if the retainer is a stretch — many environmental practices work with clients on structured schedules.

Frequently asked

Frequently asked questions about David O'Brien

  • How much does it cost to hire David for a environmental case?

    Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. David walks through the likely range during the consult so there are no surprises.

  • Does David offer a free consultation?

    David charges for the initial consult; that fee is credited toward representation if you retain David's office. Some environmental attorneys offer free consults — check David's current terms during booking.

  • How long do environmental cases in this state typically take?

    Simple environmental matters can wrap in a few weeks; disputed cases can run 6–18 months from intake to resolution, longer if the matter goes to trial. David gives a realistic estimate for your facts at the consult — vague answers here are a red flag.

  • Can David take my case if I'm outside the area?

    David evaluates matters case by case. If the venue is outside David's regular jurisdictions, the intake call will confirm whether direct representation or a referral makes more sense.

  • What should I bring to my first meeting with David?

    Bring every document that touches the dispute: contracts, correspondence, police or medical reports, filed pleadings, invoices, photographs, insurance letters. Also bring a written timeline of what happened, in your own words. David will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.

  • Is David accepting new environmental clients right now?

    David's intake status shifts week to week. Submit the form; the office will confirm availability or refer the matter out.