John P. O'Neill, Real Estate Attorney in Boston, Massachusetts
Over 31 years of legal practice · focused on Real Estate, Tax, and Trusts · 4.5/5 rating from 3 verified client reviews
PartneratHolland & Knight LLP
Boston, MA
Practicing real estate in Boston since 1995.
- 31+
- Years practicing
- 4.5 ★
- 3 client reviews
- 2
- Bar admissions
Practices in
Are you John P. O'Neill?
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Quick answer
John P. O'Neill is a partner based in Boston, MA. The practice focuses on Real Estate, Tax, and Trusts. John has over 31 years of legal experience. Currently practicing at Holland & Knight LLP. Rated 4.5 out of 5 from 3 client reviews.
- Based in
- Boston, MA
- Experience
- over 31 years
- Known for
- Real Estate · Tax · Trusts
- Handles Real Estate, Tax, and Trusts matters from Boston, MA.
- Over 31 years of practice as a licensed attorney.
- Recognized with Peer Reviewed.
About John P. O'Neill: John P. O'Neill is a partner based in Boston, MA. The practice focuses on Real Estate, Tax, and Trusts. John has over 31 years of legal experience. Currently practicing at Holland & Knight LLP. Rated 4.5 out of 5 from 3 client reviews.
Areas of practice
Practice areas handled by John P. O'Neill
John concentrates on real estate, tax, and trusts. Each area below outlines the kind of case John handles, typical outcomes to expect, and how the intake process starts.
Real Estate
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Tax
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Trusts
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Real Estate cases in Boston, Massachusetts
John takes real estate matters in Boston, Massachusetts. 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.
Tax cases in Boston, Massachusetts
John takes tax matters in Boston, Massachusetts. 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.
Trusts cases in Boston, Massachusetts
John takes trusts matters in Boston, Massachusetts. 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 P. O'Neill — Over 31 years of Massachusetts real estate experience
John P. O'Neill is a partner based in Boston, MA. The practice focuses on Real Estate, Tax, and Trusts. John has over 31 years of legal experience. Currently practicing at Holland & Knight LLP. Rated 4.5 out of 5 from 3 client reviews.
John P. O'Neill is a lawyer practicing real estate, real estate investment trusts (reits), tax credit transactions and 3 other areas of law. John P. received a A.B. degree from Dartmouth College, and has been licensed for 31 years. John P. practices at Holland & Knight LLP in Boston, MA.
Working with John on a real estate matter
John P. O'Neill is a lawyer practicing real estate, real estate investment trusts (reits), tax credit transactions and 3 other areas of law. John P. received a A.B. degree from Dartmouth College, and has been licensed for 31 years. John P. practices at Holland & Knight LLP in Boston, MA.
Who John represents
John reviews new inquiries case-by-case for real estate, tax, and trusts matters in Boston and the surrounding Massachusetts area.
Credentials
John P. O'Neill's legal education and bar admissions
Georgetown University Law Center J.D.
—
Dartmouth College A.B.
—
Jurisdictions
John's state bar admissions
Massachusetts Distri
2001 · ACTIVE
New York
1995 · ACTIVE
John studied at — in Georgetown University Law Center J.D. and — in Dartmouth College A.B..
Law school and academic background
John completed — in Georgetown University Law Center J.D. and — in Dartmouth College A.B.. Formal legal training is one signal of substantive knowledge — the day-to-day practice John runs in Massachusetts is where that training gets applied to real client questions.
Recognition
Awards, publications, and recognition of John P. O'Neill
John has received 1 formal recognition from bar associations, industry bodies, and peer-review services.
Peer Reviewed
Legal awards and honors
Peer Reviewed.
Locations
John P. O'Neill's office in Boston
John's primary office is at 10 St. James Ave., 11th Fl., Boston, MA, 02116. In-person meetings are by appointment; a phone intake usually comes first.
Client feedback
Client reviews of John P. O'Neill — 4.5/5 rating from 3 verified client reviews
Every review below is from a verified client of John. Reviews cover communication, case outcome, and value — the three signals that matter most when comparing real estate attorneys in Boston.
4.5
3 client reviews
Client ratings are sourced from public records and editorial research. Reviews on LawyersListed are accepted from verified clients once John P. O'Neill claims this profile.
Read all reviewsHiring guide
How to hire John P. O'Neill — what to expect in your first consultation
Working with a new real estate 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 real estate attorney in Boston, Massachusetts
A short list to run through before you commit: How many real estate 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 real estate practice — ask which fits.
Hourly rates, contingency fees, and flat-fee options
Every real estate 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 real estate practices work with clients on structured schedules.
Frequently asked
Frequently asked questions about John P. O'Neill
How much does it cost to hire John for a real estate 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 real estate attorneys offer free consults — check John's current terms during booking.
How long do real estate cases in Massachusetts typically take?
Simple real estate 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 Boston?
John is licensed in Massachusetts. Matters governed by Massachusetts 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 real estate 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
Real Estate attorneys serving Boston, Cambridge and Worcester in Massachusetts
John handles real estate matters throughout Massachusetts. Each city below is a direct link into the search page for verified real estate attorneys in that community.
More counsel
Other top-rated real estate attorneys in Massachusetts
If John's intake is full or the fit isn't right, these real estate attorneys in Boston handle similar matters. Every profile below is verified and open to consultations.

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