
John J. Mahoney, Environmental Attorney in Malvern, Pennsylvania
Over 46 years of legal practice · focused on Environmental and Litigation
Senior CounselatGarrison Environmental Law Practice
Malvern, PA
Practicing environmental in Malvern since 1980.
- 46+
- Years practicing
- 1
- Bar admission
Practices in
Are you John J. Mahoney?
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Quick answer
John J. Mahoney is a senior counsel based in Malvern, PA. The practice focuses on Environmental and Litigation. John has over 46 years of legal experience. Currently practicing at Garrison Environmental Law Practice.
- Based in
- Malvern, PA
- Experience
- over 46 years
- Known for
- Environmental · Litigation
- Handles Environmental and Litigation matters from Malvern, PA.
- Over 46 years of practice as a licensed attorney.
About John J. Mahoney: John J. Mahoney is a senior counsel based in Malvern, PA. The practice focuses on Environmental and Litigation. John has over 46 years of legal experience. Currently practicing at Garrison Environmental Law Practice.
Areas of practice
Practice areas handled by John J. Mahoney
John concentrates on environmental and litigation. Each area below outlines the kind of case John handles, typical outcomes to expect, and how the intake process starts.
Environmental cases in Malvern, Pennsylvania
John takes environmental matters in Malvern, Pennsylvania. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before John agrees to represent you.
Litigation cases in Malvern, Pennsylvania
John takes litigation matters in Malvern, Pennsylvania. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before John agrees to represent you.
Biography
About John J. Mahoney — Over 46 years of Pennsylvania environmental experience
John J. Mahoney is a senior counsel based in Malvern, PA. The practice focuses on Environmental and Litigation. John has over 46 years of legal experience. Currently practicing at Garrison Environmental Law Practice.
John J. Mahoney is a lawyer practicing environmental law, environmental litigation. John received a B.S. degree from Pennsylvania State University - Penn State Main Campus in 1977, and has been licensed for 46 years. John practices at Garrison Environmental Law Practice in Malvern, PA.
Working with John on a environmental matter
John J. Mahoney is a lawyer practicing environmental law, environmental litigation. John received a B.S. degree from Pennsylvania State University - Penn State Main Campus in 1977, and has been licensed for 46 years. John practices at Garrison Environmental Law Practice in Malvern, PA.
Who John represents
John reviews new inquiries case-by-case for environmental and litigation matters in Malvern and the surrounding Pennsylvania area.
Credentials
John J. Mahoney's legal education and bar admissions
University of Pennsylvania
J.D. · 1980
Pennsylvania State University - Penn State Main Campus
B.S. · 1977
Jurisdictions
John's state bar admissions
Pennsylvania
1980 · ACTIVE
John studied at J.D. in University of Pennsylvania and B.S. in Pennsylvania State University - Penn State Main Campus.
Law school and academic background
John completed J.D. in University of Pennsylvania and B.S. in Pennsylvania State University - Penn State Main Campus. Formal legal training is one signal of substantive knowledge — the day-to-day practice John runs in Pennsylvania is where that training gets applied to real client questions.
Locations
John J. Mahoney's office in Malvern
John's primary office is at 101 Lindenwood Drive, Suite 225, Malvern, PA, 19355. In-person meetings are by appointment; a phone intake usually comes first.
Garrison Environmental Law Practice
101 Lindenwood Drive, Suite 225
Malvern, PA 19355
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Schedule your consultationHiring guide
How to hire John J. Mahoney — what to expect in your first consultation
Working with a new environmental attorney should feel structured. Here's how the first two conversations with John usually go, from the moment you request a consult to the day representation begins.
Consultation formats and pricing
John charges for the initial consult. That fee is credited toward representation if you retain John'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; John will tell you what matters and what doesn't.
Questions to ask a environmental attorney in Malvern, Pennsylvania
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 John
John 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. John confirms the model in the engagement letter before any work starts.
Payment methods and payment plans
John'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 John J. Mahoney
How much does it cost to hire John for a environmental case?
Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. John walks through the likely range during the consult so there are no surprises.
Does John offer a free consultation?
John charges for the initial consult; that fee is credited toward representation if you retain John's office. Some environmental attorneys offer free consults — check John's current terms during booking.
How long do environmental cases in Pennsylvania 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. John gives a realistic estimate for your facts at the consult — vague answers here are a red flag.
Can John take my case if I'm outside Malvern?
John is licensed in Pennsylvania. Matters governed by Pennsylvania law are the natural fit. Out-of-state matters are handled case-by-case, sometimes with local co-counsel. Ask during intake — John will tell you if the case is a fit or refer you to someone closer to your court.
What should I bring to my first meeting with John?
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. John will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.
Is John accepting new environmental clients right now?
John's intake status shifts week to week. Submit the form; the office will confirm availability or refer the matter out.
Areas served
Environmental attorneys serving Malvern, Philadelphia and Pittsburgh in Pennsylvania
John handles environmental matters throughout Pennsylvania. Each city below is a direct link into the search page for verified environmental attorneys in that community.
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