John P. O'Neill

John P. O'Neill

Real Estate Law
Recognized in Best Attorney USA since 2013

About John

Practice Areas

Professional Affiliations

Contact Me

Login Required

Please login to contact this attorney

Login to Contact

Reviews

4.5 / 5

37 Reviews

1,048 Profile Views

E

Earnest Hessel

Jan 29, 2026

So glad I called John P. O'Neill to handle my Real Estate Law case in Boston

Everyone at John P. O'Neill's office in Boston was so nice and helpful. They made a tough situation a lot easier to deal with by being so patient and explaining everything clearly. I never felt like j...

T

Tonya Mertz

Jan 29, 2026

Reliable lawyer you can count on - John P. O'Neill provided excellent service throughout

I've worked with a few lawyers in Boston over the years, but John P. O'Neill stands out for their honesty and thoroughness. They were clear about the process and kept me updated at all times. I felt c...

T

Tonya Schamberger

Jan 29, 2026

Great people who truly care at John P. O'Neill - the best legal team in Massachusetts

Everyone at John P. O'Neill's office in Boston was so nice and helpful. They made a tough situation a lot easier to deal with by being so patient and explaining everything clearly. I never felt like j...

K

Kelley Cole

Jan 29, 2026

Top notch experts in Boston - John P. O'Neill is by far the best lawyer I've ever had

Really glad I found John P. O'Neill for my case. They were a huge help and made everything understandable. I was very impressed with their knowledge and how they handled the opposition. If you're in M...

G

Gertrude Shields

Jan 29, 2026

Highly recommend John P. O'Neill for anyone needing expert Real Estate Law help in Massachusetts

I was really stressed about my case in Boston, but John P. O'Neill made everything so smooth and stress-free. Seriously, the best decision I've made lately was hiring them. They handled every detail w...