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Shawn L O Sullivan, Estate Tax Attorney in New Haven, Connecticut

Over 46 years of legal practice · focused on Estate Tax, Tax, and Trusts · 5.0/5 rating from 1 verified client review

MemberatDavis O'Sullivan & Priest LLC

New Haven, CT

Practicing estate tax in New Haven since 1980.

46+
Years practicing
5.0 ★
1 client review
1
Bar admission

Are you Shawn L O Sullivan?

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Quick answer

Shawn L O Sullivan is a member based in New Haven, CT. The practice focuses on Estate Tax, Tax, and Trusts. Shawn has over 46 years of legal experience. Currently practicing at Davis O'Sullivan & Priest LLC. Rated 5.0 out of 5 from 1 client review.

Based in
New Haven, CT
Experience
over 46 years
Known for
Estate Tax · Tax · Trusts
  • Handles Estate Tax, Tax, and Trusts matters from New Haven, CT.
  • Over 46 years of practice as a licensed attorney.
  • Recognized with AV Preeminent.

About Shawn L O Sullivan: Shawn L O Sullivan is a member based in New Haven, CT. The practice focuses on Estate Tax, Tax, and Trusts. Shawn has over 46 years of legal experience. Currently practicing at Davis O'Sullivan & Priest LLC. Rated 5.0 out of 5 from 1 client review.

Areas of practice

Practice areas handled by Shawn L O Sullivan

Shawn concentrates on estate tax, tax, and trusts. Each area below outlines the kind of case Shawn handles, typical outcomes to expect, and how the intake process starts.

Estate Tax cases in New Haven, Connecticut

Shawn takes estate tax matters in New Haven, Connecticut. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Shawn agrees to represent you.

Tax cases in New Haven, Connecticut

Shawn takes tax matters in New Haven, Connecticut. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Shawn agrees to represent you.

Trusts cases in New Haven, Connecticut

Shawn takes trusts matters in New Haven, Connecticut. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Shawn agrees to represent you.

Biography

About Shawn L O Sullivan — Over 46 years of Connecticut estate tax experience

Shawn L O Sullivan is a member based in New Haven, CT. The practice focuses on Estate Tax, Tax, and Trusts. Shawn has over 46 years of legal experience. Currently practicing at Davis O'Sullivan & Priest LLC. Rated 5.0 out of 5 from 1 client review.

Shawn L O Sullivan is a lawyer practicing trusts and estates, income tax, fiduciary income tax and 2 other areas of law. Shawn received a A.B. degree from Providence College in 1975, and has been licensed for 46 years. Shawn practices at Davis O'Sullivan & Priest LLC in New Haven, CT.

Shawn's approach to estate tax cases

Shawn L O Sullivan is a lawyer practicing trusts and estates, income tax, fiduciary income tax and 2 other areas of law. Shawn received a A.B. degree from Providence College in 1975, and has been licensed for 46 years. Shawn practices at Davis O'Sullivan & Priest LLC in New Haven, CT.

The kind of cases Shawn takes

Shawn reviews new inquiries case-by-case for estate tax, tax, and trusts matters in New Haven and the surrounding Connecticut area.

Credentials

Shawn L O Sullivan's legal education and bar admissions

  • Western New England College School of Law

    J.D. · 1980

  • Providence College

    A.B. · 1975

Jurisdictions

Shawn's state bar admissions

  • Connecticut

    1980 · ACTIVE

Shawn studied at J.D. in Western New England College School of Law and A.B. in Providence College.

Law school and academic background

Shawn completed J.D. in Western New England College School of Law and A.B. in Providence College. Formal legal training is one signal of substantive knowledge — the day-to-day practice Shawn runs in Connecticut is where that training gets applied to real client questions.

Recognition

Awards, publications, and recognition of Shawn L O Sullivan

Shawn has received 1 formal recognition from bar associations, industry bodies, and peer-review services.

  • AV Preeminent

Legal awards and honors

AV Preeminent.

Affiliations

Shawn's professional memberships and bar associations

  • New Haven County and Connecticut (Member, Sections on: Estates and Probate Elder Law) Bar Associations

    membership

Locations

Shawn L O Sullivan's office in New Haven

Shawn's primary office is at 59 Elm St., Ste. 540, New Haven, CT, 06510. In-person meetings are by appointment; a phone intake usually comes first.

Main office

Davis O'Sullivan & Priest LLC

59 Elm St., Ste. 540

New Haven, CT 06510

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Client feedback

Client reviews of Shawn L O Sullivan — 5.0/5 rating from 1 verified client review

Every review below is from a verified client of Shawn. Reviews cover communication, case outcome, and value — the three signals that matter most when comparing estate tax attorneys in New Haven.

5.0

1 client review

Client ratings are sourced from public records and editorial research. Reviews on LawyersListed are accepted from verified clients once Shawn L O Sullivan claims this profile.

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Hiring guide

How to hire Shawn L O Sullivan — what to expect in your first consultation

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

Consultation formats and pricing

Shawn charges for the initial consult. That fee is credited toward representation if you retain Shawn'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; Shawn will tell you what matters and what doesn't.

Questions to ask a estate tax attorney in New Haven, Connecticut

A short list to run through before you commit: How many estate tax 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 Shawn

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

Hourly rates, contingency fees, and flat-fee options

Every estate tax 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. Shawn confirms the model in the engagement letter before any work starts.

Payment methods and payment plans

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

Frequently asked

Frequently asked questions about Shawn L O Sullivan

  • How much does it cost to hire Shawn for a estate tax case?

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

  • Does Shawn offer a free consultation?

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

  • How long do estate tax cases in Connecticut typically take?

    Simple estate tax 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. Shawn gives a realistic estimate for your facts at the consult — vague answers here are a red flag.

  • Can Shawn take my case if I'm outside New Haven?

    Shawn is licensed in Connecticut. Matters governed by Connecticut law are the natural fit. Out-of-state matters are handled case-by-case, sometimes with local co-counsel. Ask during intake — Shawn 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 Shawn?

    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. Shawn will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.

  • Is Shawn accepting new estate tax clients right now?

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

Areas served

Estate Tax attorneys serving New Haven, Hartford and Stamford in Connecticut

Shawn handles estate tax matters throughout Connecticut. Each city below is a direct link into the search page for verified estate tax attorneys in that community.

More counsel

If Shawn's intake is full or the fit isn't right, these estate tax attorneys in New Haven handle similar matters. Every profile below is verified and open to consultations.