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
Practices in
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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.
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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Schedule your consultationHiring 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.