# Tobin O’Connor Concino P.C.
> https://www.tobinoconnor.com
> Last Updated: 2026-06-16

## Contact
- Phone: +1-202-362-5900
- Address: 5335 Wisconsin Ave Northwest, Suite 400, Washington, DC 20015

## Locations
- Washington, DC - +1-202-362-5900
  Areas served: Washington D.C.

## Practice Areas
- Business Law
- Business Dispute
- Business Litigation
- Commercial Litigation
- Corporation Litigation
- Corporate Governance
- Corporate Tax
- E-Discovery
- Small Business

## Attorneys
- David C. Tobin: https://www.tobinoconnor.com/attorney-profiles/david-tobin/
  David C. Tobin heads the firm’s litigation practice.
- Stephen J. O: https://www.tobinoconnor.com/attorney-profiles/stephen-oconnor/
  Stephen J. O'Connor (P.C.) Partner Email: sjoconnor@tobinoconnor.com As a founding partner of Tobin O’Connor Concino P.C., Stephen J. O'Connor heads the firm's business, tax, and estate planning practice. He has over two decades of experience in business entity formation, operation, management and s...
- Jennifer C. Concino: https://www.tobinoconnor.com/attorney-profiles/jennifer-concino/
  Jennifer C. Concino is a partner of the firm practicing in the areas of estate and trust planning and administration.
- Ziad P. Haddad: https://www.tobinoconnor.com/attorney-profiles/ziad-haddad/
  Ziad P. Haddad (P.C.) Partner Email: zphaddad@tobinoconnor.com Ziad Haddad joined the firm in May 2002 as an associate attorney in the firm's litigation practice, and was named a partner of the firm in October 2009. Mr. Haddad has substantial experience in commercial and employment litigation matter...
- Todd B. Ewing: https://www.tobinoconnor.com/attorney-profiles/todd-ewing/
  Todd B. Ewing is a partner in the firm and president of Federal Title & Escrow Company.
- David A. Conforti: https://www.tobinoconnor.com/attorney-profiles/david-conforti/
  David Conforti’s practice focuses on general corporate law and commercial real estate transactions.
- John William Gerlach: https://www.tobinoconnor.com/attorney-profiles/john-william-gerlach/
  John William Gerlach John William Gerlach’s practice areas include Estate Planning, Estate Administration, Probate, and Guardianship, including adult custody disputes. Mr. Gerlach graduated from James Madison University with a bachelor of arts in English. After graduating from St. John’s University ...
- Jeffrey Gordon: https://www.tobinoconnor.com/attorney-profiles/jeffrey-gordon/
  Jeffrey Gordon Email: jkgordon@tobinoconnor.com Jeffrey Gordon focuses his practice in the areas of Estate and Tax planning, Administration of Trusts and Estates, Probate, and Guardianship. Prior to joining the firm, Mr. Gordon was an associate with Maryland firm assisting clients throughout Marylan...
- Larry Tanenbaum: https://www.tobinoconnor.com/attorney-profiles/larry-tanenbaum/
  Larry Tanenbaum Of Counsel Mr. Tanenbaum graduated from the University of Baltimore, JD Magna Cum Laude 1976. He began his legal career at Akin Gump Strauss Hauer & Feld where he became a partner in the Litigation Section and served in that role until retiring from the firm in 2016. After this b...
- Anthony Concino: https://www.tobinoconnor.com/attorney-profiles/anthony-concino/
  Anthony Concino Associate aconcino@tobinoconnor.com J. Anthony Concino III joined the firm in August 2022, as an associate attorney. Anthony had previously been working part time for Tobin O’Connor Concino, PC as a Law Clerk, dating back to 2019. Anthony is the youngest cousin of the firm’s named Pa...
- Alec Noble: https://www.tobinoconnor.com/attorney-profiles/alec-noble/
  Alec Noble Associate Alec Noble's practice is focused on estate and tax planning, trust and estate administration, and probate. He has extensive experience in helping individuals of varying net worths develop estate plans tailored to their specific needs. He also has years of experience in administe...
- John S. Nargiso: https://www.tobinoconnor.com/attorney-profiles/john-s-nargiso/
  John S. Nargiso Of Counsel Mr. Nargiso specializes in the areas of corporate finance, real estate finance and economic development in Indian Country. Mr. Nargiso has been involved in the structuring, negotiation and execution of complex financings, private equity investments, project financings, deb...

## Key Pages
- Homepage: https://www.tobinoconnor.com/
- Attorneys: https://www.tobinoconnor.com/about-us/
- Blog: https://www.tobinoconnor.com/blog/
- Contact: https://www.tobinoconnor.com/contact-us/

## Social Profiles
- https://www.facebook.com/Tobin-OConnor-Ewing-269659223094712/
- https://twitter.com/tobinoconnor2
- https://www.linkedin.com/company/11317449

## Reviews
- Rating: 5/5 based on 105 reviews

## Practice Area Details

### Washington DC Business Lawyer
https://www.tobinoconnor.com/
Washington DC business lawyers Tobin O’Connor Concino P.C. help with business litigation, labor & employment law, estate planning & probate & real estate.

### Washington DC Business Dispute Lawyer
https://www.tobinoconnor.com/washington-dc-business-lawyer/business-dispute/
When you do find yourself involved in a major business dispute, it is important to seek the competent counsel of a Washington DC business dispute lawyer.

### Washington DC Business Litigation Lawyer
https://www.tobinoconnor.com/washington-dc-business-lawyer/business-litigation/
Washington DC business litigation lawyers resolve disputes with other companies, intra-business disputes, lawsuit defense & compliance with laws & regulations.

### Washington DC Commercial Litigation Lawyer
https://www.tobinoconnor.com/washington-dc-business-lawyer/commercial-litigation/
Our Washington DC commercial litigation lawyers help in breach of contract, lawsuit defense, shareholder & partner dispute & intellectual property.

### Washington DC Business Law
https://www.tobinoconnor.com/washington-dc-business-lawyer/
Washington DC business lawyers Tobin O’Connor Concino P.C. help with entity formation, litigation, contracts, governance, mergers & acquisitions, IP, tax & more.

### Washington DC Corporation Litigation Lawyer
https://www.tobinoconnor.com/washington-dc-business-lawyer/corporation-litigation/
Contact our Washington DC corporation litigation lawyers, every corporation faces situations in which it needs legal representation.

### Washington DC Corporate Tax Lawyer
https://www.tobinoconnor.com/washington-dc-business-lawyer/corporate-tax/
Our Washington DC corporate tax lawyers guide corporate clients through complex tax laws.

### Washington DC Corporate Governance Lawyer
https://www.tobinoconnor.com/washington-dc-business-lawyer/corporate-governance/
Our Washington DC corporate governance lawyers look forward to meeting you and helping you achieve your legal objectives.

### Washington DC E-Discovery Lawyer
https://www.tobinoconnor.com/washington-dc-business-lawyer/e-discovery/
Our Washington DC e-discovery lawyers can be your best resource and we look forward to serving you.

### Washington DC Small Business Lawyer
https://www.tobinoconnor.com/washington-dc-business-lawyer/small-business-law/
Our Washington DC small business lawyers look forward to meeting you and helping you achieve your legal objectives.

## Recent Articles

### What Happens to Your Estate Plan When You Divorce?
https://www.tobinoconnor.com/what-happens-to-your-estate-plan-when-you-divorce/ (2026-06-16)
A Washington, D.C. estate planning attorney can help you update your estate plan after divorce.  Contact Tobin O’Connor Concino P.C.  in Washington, D.C.

### Important Probate Deadlines
https://www.tobinoconnor.com/important-probate-deadlines/ (2026-06-09)
A Washington, D.C. probate attorney can help you open a deceased family member’s estate for probate.  Contact Tobin O’Connor Concino P.C.  in Washington, D.C.

### Who Needs Probate Lawyers?
https://www.tobinoconnor.com/who-needs-probate-lawyers/ (2026-06-02)
A Washington, D.C. probate attorney can help you get through the parts of probate that involve conflict and being the bearer of bad news.  Contact Tobin O’Connor Concino P.C.  in Washington, D.C.

### Is Insurance Your Ticket Out of Creditor Claims During Probate?
https://www.tobinoconnor.com/is-insurance-your-ticket-out-of-creditor-claims-during-probate/ (2026-05-19)
A Washington, D.C. estate planning attorney can help you make wise decisions about borrowing during your retirement.  Contact Tobin O’Connor Concino P.C.  in Washington, D.C.

### Meet the Exhausted Matriarchs of the 99 Percent
https://www.tobinoconnor.com/meet-the-exhausted-matriarchs-of-the-99-percent/ (2026-05-12)
Contact Tobin O’Connor Concino P.C. About Stepping Up for Your Family Indefinitely

### Early Withdrawals From Retirement Accounts
https://www.tobinoconnor.com/early-withdrawals-from-retirement-accounts/ (2026-05-05)
A Washington, D.C. estate planning attorney can help you make wise decisions about early withdrawals from retirement accounts.  Contact Tobin O’Connor Concino P.C.  in Washington, D.C.

### Keep Your House Out of Probate With a Life Estate Deed
https://www.tobinoconnor.com/keep-your-house-out-of-probate-with-a-life-estate-deed/ (2026-04-28)
A Washington, D.C. estate planning attorney can help you draft a life estate deed for your house.  Contact Tobin O’Connor Concino P.C.  in Washington, D.C.

### The Retirement Decluttering Labyrinth
https://www.tobinoconnor.com/the-retirement-decluttering-labyrinth/ (2026-03-31)
A Washington, D.C. estate planning attorney can help you strategize about whether to move to an assisted living facility or to modify your house for aging in place.  Contact Tobin O’Connor Concino P.C.  in Washington, D.C.

### Maryland Disinterment Laws
https://www.tobinoconnor.com/maryland-disinterment-laws/ (2026-03-24)
A Washington, D.C. estate planning attorney can help you draft the final disposition of remains clauses of your will.  Contact Tobin O’Connor Concino P.C.  in Washington, D.C.

### Sustainably Sourcing Your Retirement Income
https://www.tobinoconnor.com/sustainably-sourcing-your-retirement-income/ (2026-03-20)
A Washington, D.C. estate planning attorney can help you make wise decisions about the issues that will make or break your retirement.  Contact Tobin O’Connor Concino P.C.  in Washington, D.C.

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