Tax Planning Attorneys in New Castle County, Delaware

21 tax planning firms have an office in New Castle County, Delaware. Each listing carries the firm's practice areas, its New Castle County office and its phone.

State

County

City

Practice Area

All Areas

Planning ahead

Estate Planning57 Tax Planning21 Special Needs Planning12 Asset Protection18 Medicaid Planning16

Settling an estate

Trust Administration29 Probate54 Probate Litigation20 Trust Litigation18

Capacity and care

Elder Law15 Guardianship18

Firm Type

Firm listings are for informational purposes only. SimplyTrust does not endorse or recommend any specific firm or attorney. Contact firms directly to discuss your situation and verify their current practice areas and availability.

21 firms

Aleman & Associates

110 W. Main Street, Middletown, DE 19709

Serves all three Delaware counties from Seaford, with further offices in Camden, Milford, Rehoboth Beach, Bethany Beach and Middletown. Represents executors, administrators, trustees and beneficiaries in probate filings, creditor notices, deed transfers and distributions, and in trust administration. Attorneys work in English and Spanish, and Steve Nowak heads the estate planning department.

Serves the whole stateEstate PlanningTrust AdministrationProbateTax PlanningSpecial Needs Planning+2

1-302-990-8801

Brockstedt Mandalas Federico LLC

2711 Centerville Road, Suite 401, Wilmington, DE 19808

Serves all three Delaware counties from offices in Wilmington, Dover, Lewes and Georgetown. The Estates & Trusts group advises executors and trustees on settling estates and administering trusts, and represents fiduciaries and beneficiaries in will contests, guardianship, accounting and fiduciary duty disputes. Its elder law practice handles Delaware Medicaid long-term care planning.

Serves the whole stateEstate PlanningTrust AdministrationProbateProbate LitigationTrust Litigation+6

1-302-327-1100

Bayard, P.A.

600 North King Street, Suite 400, Wilmington, DE 19899

Serves New Castle County from Courthouse Square on King Street in downtown Wilmington. The Wills, Trusts and Estates practice, led by senior counsel Steven R. Director, handles estate and trust administration, family disputes after a decedent's distribution decisions become known, and federal estate and gift tax planning. Director is a past Chair of the Estate Planning Council of Delaware.

Since 1958Serves 1 countyEstate PlanningTrust AdministrationProbateTax PlanningAsset Protection

1-302-655-5000

Connolly Gallagher LLP

1201 North Market Street, 20th Floor, Wilmington, DE 19801

Serves New Castle County from offices in Wilmington and Newark. The Trusts, Estates, and Taxation group supports trustees, executors and beneficiaries in administration, litigates will contests, estate disputes and trust cases, and handles trust modification and estate, gift and GST tax planning. Four of its partners are fellows of the American College of Trust and Estate Counsel.

Serves 1 countyEstate PlanningTrust AdministrationProbateProbate LitigationTrust LitigationTax Planning

1-302-757-7300

Duane Morris LLP

1201 North Market Street, Suite 501, Wilmington, DE 19801

Serves New Castle County from the Wilmington office on North Market Street, established in 1985. Partner Jocelyn Margolin Borowsky handles estate and trust administration, Delaware trust modifications and decantings, and trust and estate litigation for fiduciaries and beneficiaries, including estate and gift tax audits. She is a fellow of the American College of Trust and Estate Counsel.

Serves 1 countyEstate PlanningTrust AdministrationProbateProbate LitigationTrust Litigation+2

1-302-657-4900

Elle Van Dahlgren Law, LLC

20 Montchanin Road, Suite 1000, Greenville, DE 19807

Serves New Castle County from Greenville, with Delaware and Pennsylvania licensure. Handles probate and estate administration, trust administration, and adult guardianship petitions, annual updates and accountings in the Delaware Court of Chancery. Works primarily on a flat-fee basis, quoted at the end of the first meeting.

Serves 1 countyEstate PlanningTrust AdministrationProbateTax PlanningGuardianship+2

1-302-407-5009

Estate & Elder Law Services

2961 Centerville Road, Suite 350, Wilmington, DE 19808

Serves New Castle County from the Red Clay Center on Centerville Road, northwest of downtown Wilmington. Handles estate and trust administration, probate, guardianships and Medicaid applications alongside estate and special needs planning. Founded in 1992 and led by Certified Elder Law Attorneys Catherine B. Read and William W. Erhart.

Since 1992Serves 1 countyVirtual consultationsEstate PlanningTrust AdministrationProbateElder LawTax Planning+3

1-302-651-0113

Gawthrop Greenwood, PC

3711 Kennett Pike, Suite 100, Wilmington, DE 19807

Serves New Castle County from its Greater Wilmington office on Kennett Pike, alongside offices in West Chester and Philadelphia. Trusts and estates attorney P. Kristen Bennett handles the probate of wills, the marshaling and inventory of assets, the administration of living and testamentary trusts, and estate tax returns and post-mortem tax planning.

Serves 1 countyEstate PlanningTrust AdministrationProbateTax Planning

1-302-777-5353

Gordon, Fournaris & Mammarella, P.A.

1925 Lovering Avenue, Wilmington, DE 19806

Serves New Castle County from the Highlands neighborhood of Wilmington. Its Private Wealth group helps personal representatives and trustees administer estates and Delaware trusts, and represents fiduciaries in litigation in the Court of Chancery. Founded in 1994; ranked Band 1 in Private Wealth Law: Delaware in the 2026 Chambers High Net Worth Guide.

Since 1994Serves 1 countyEstate PlanningTrust AdministrationProbateProbate LitigationTrust Litigation+2

1-302-652-2900

Herdeg, du Pont & Dalle Pazze, LLC

15 Center Meeting Road, Wilmington, DE 19807

Serves New Castle County from Center Meeting Road in Centreville, outside Wilmington. Guides executors through estate administration, from Register of Wills filings to tax filings, and handles trust administration, adult guardianships and Court of Chancery estate and trust litigation. Also handles ancillary probate for non-Delaware decedents who owned Delaware real estate.

Since 1999Serves 1 countyEstate PlanningTrust AdministrationProbateProbate LitigationTrust Litigation+3

1-302-655-6500

Law Office of Kevin A. O'Brien

3801 Kennett Pike, Suite C-204, Greenville, DE 19807

Serves clients throughout Delaware from a Greenville office, with a father-son team of Kevin and Paul O'Brien. Handles probate and estate administration, trust administration, small estate affidavits and federal estate tax returns, and drafts special needs trusts and Delaware asset protection trusts. Planning documents are quoted as a flat fee after the initial consultation.

Serves the whole stateEstate PlanningTrust AdministrationProbateElder LawTax Planning+3

1-302-888-2707

Morton, Valihura & Zerbato, LLC

3704 Kennett Pike, Suite 200, Greenville, DE 19807

Serves New Castle, Kent and Sussex counties from offices in Greenville and Dover. Drafts and reviews wills and trusts, advance healthcare directives and durable powers of attorney, and advises on estate and gift tax issues and inheritance in blended families. The firm also practices landlord-tenant, manufactured housing and fair housing law.

Serves the whole stateEstate PlanningTax Planning

1-302-426-1313

Morris James LLP

3205 Avenue North Boulevard, Suite 100, Wilmington, DE 19803

Serves all three Delaware counties from offices in Wilmington, Newark, Dover, Georgetown and Rehoboth Beach. Handles the probate and administration of multi-jurisdictional estates and trust administration, and represents clients in the Court of Chancery in fiduciary litigation, contested will cases and elective share proceedings. Practicing since 1931.

Since 1931Serves the whole stateEstate PlanningTrust AdministrationProbateProbate LitigationTrust Litigation+2

1-302-888-6800

Morris, Nichols, Arsht & Tunnell LLP

1201 North Market Street, 16th Floor, Wilmington, DE 19801

Serves trusts and estates clients from Wilmington and acts as Delaware trust counsel for financial institutions and law firms. Guides personal representatives through Delaware probate, advises on trust administration and decanting, and litigates breach of trust, capacity, undue influence and will validity disputes. Ranked Band 1 by Chambers High Net Worth for Delaware private wealth law.

Serves 1 countyEstate PlanningTrust AdministrationProbateProbate LitigationTrust Litigation+2

1-302-658-9200

McCollom D'Emilio Smith Uebler LLC

2751 Centerville Road, Suite 401, Wilmington, DE 19808

Serves trusts and estates clients from Little Falls Centre II in Wilmington. Settles estates and prepares estate and inheritance tax returns and probate documents, advises trustees on trust modifications, reformations, mergers and decantings, and handles will and trust contests and beneficiary disputes in the Delaware Court of Chancery. Recognized in the Chambers High Net Worth guide.

Serves 1 countyEstate PlanningTrust AdministrationProbateProbate LitigationTrust Litigation+2

1-302-468-5960

Reger Rizzo & Darnall LLP

1521 Concord Pike, Suite 305, Wilmington, DE 19803

Serves Delaware from offices in Wilmington and Rehoboth Beach. The Wills, Trusts & Estates group administers estates from the initial probate proceedings through formal accounts, files fiduciary income tax returns, and represents fiduciaries and beneficiaries in estate and trust litigation, with elder-law and Medicaid planning. A Mid-Atlantic firm founded in 1992.

Since 1992Serves the whole stateEstate PlanningTrust AdministrationProbateProbate LitigationTrust Litigation+5

1-302-477-7100

Richards, Layton & Finger, P.A.

920 North King Street, Wilmington, DE 19801

Serves clients from One Rodney Square in Wilmington. The Trusts & Estates Group advises executors and trustees on estate settlement, including before the Court of Chancery and the IRS, and represents settlors, beneficiaries and fiduciaries in will contests, trust reformation and construction, probate controversies and fiduciary-duty claims. Practicing Delaware law since 1899.

Since 1899Serves 1 countyEstate PlanningTrust AdministrationProbateProbate LitigationTrust LitigationTax Planning

1-302-651-7700

Schwartz & Schwartz, Attorneys at Law, P.A.

1228 N. King Street, Wilmington, DE 19801

Serves Sussex, Kent and New Castle counties from Dover, with Delaware offices in Wilmington and Dagsboro. Its estate attorneys guide executors through administration with each county's Register of Wills, including small estate affidavits, and draft wills, trusts and Medicaid-planning Miller trusts within an elder-law practice. The firm also has offices in Maryland and Pennsylvania.

Serves the whole stateEstate PlanningProbateElder LawTax PlanningAsset ProtectionMedicaid Planning

1-302-281-0791

The Tannenbaum Law Group, LLC

5803 Kennett Pike, Suite B-2, Wilmington, DE 19807

Serves northern Delaware from Wilmington, with a second office in Plymouth Meeting, Pennsylvania. Guides executors, administrators, trustees and beneficiaries through probate and estate and trust administration, including trust decanting and mergers, non-judicial settlement agreements and replacing trustees. Handles administration for clients who own property in both Delaware and Pennsylvania.

Serves 1 countyEstate PlanningTrust AdministrationProbateTax PlanningBusiness Law

1-610-940-1656

The Williams Law Firm, P.A.

1201 N. Orange Street, Suite 600, Wilmington, DE 19801

Serves New Castle County from N. Orange Street in Wilmington. Its attorneys handle estate administration from the Register of Wills petition through the inventory and final accounting, guide successor trustees through trust administration, and set up Delaware asset protection and dynasty trusts. David Williams founded the firm in 1974; it also has a business law practice.

Since 1974Serves 1 countyEstate PlanningTrust AdministrationProbateTax PlanningAsset ProtectionBusiness Law

1-302-575-0873

1 2

Probate in New Castle County

Probate Court Record

New Castle County Register of Wills

New Castle County

Phone

1-302-395-7800

wills@nccde.org

Hours

Monday-Thursday 8:00 AM-noon and 1:00 PM-3:30 PM; Friday 8:00 AM-noon and 1:00 PM-3:00 PM

Office

800 North French Street, 2nd Floor, Wilmington, DE 19801

Website

Court website →

E-filing

Required for attorneys

Filing in person

Appointment required

Self-represented filing

Allowed

Self-help forms

Court forms packet

Open in Google Maps

How to file probate in New Castle County →

Verified October 15, 2026 · Source

Do I need a lawyer for probate in New Castle County? →Settling an estate in New Castle County →

Tax Planning Firms Serving New Castle County

Chesapeake Legal Counsel LLC

29 H Atlantic Avenue, Ocean View, DE 19970

Serves Sussex County from Ocean View, near Bethany Beach, with a second office in Annapolis, Maryland, and sees clients from throughout Delaware. Guides personal representatives through estate administration with the Register of Wills, from inventory and creditor claims to final accounting, alongside Medicaid, special needs trust and estate planning. Founded in 1993 by attorney John F. Robbert.

Solo PracticeSince 1993Serves the whole stateFree consultationVirtual consultationsEstate PlanningTrust AdministrationProbateTax PlanningSpecial Needs Planning+2

1-302-537-4559

May & Perza, P.A.

34 The Green, Dover, DE 19901

Serves Kent County and clients throughout Delaware from an office on The Green in Dover. Handles probate administration and estate litigation, guardianships and conservatorships, estate tax filing, and elder law planning for long-term care and Medicaid. Founded in 2010 by Mitchell W. May and Adam M. Perza, the firm also practices family, real estate and small business law.

Since 2010Serves the whole stateEstate PlanningProbateProbate LitigationElder LawTax Planning+6

1-302-736-1776

Sergovic Carmean McCartney & Owens, P.A.

25 Chestnut Street, Georgetown, DE 19947

Serves clients throughout Delaware from Georgetown. Its attorneys and estate administrators open estates, handle court filings and distributions for personal representatives, guide trustees through trust administration, and petition the Court of Chancery for guardianships, alongside Medicaid planning and Miller trusts. Phone and video consultations are offered.

Serves the whole stateVirtual consultationsEstate PlanningTrust AdministrationProbateElder LawTax Planning+3

1-302-855-1260

All 24 Delaware tax planning firms serving New Castle County →

Forms for Planning and Settling an Estate in Delaware

Free Delaware forms to plan or settle an estate: a will, trust, powers of attorney, TOD deed and the probate forms. Prepare each form for Delaware.

$12/month

Revocable Living Trust

Create a revocable living trust to avoid probate, protect privacy, and control asset distribution.

Get Started

Free

Last Will and Testament

In Delaware, a will is signed before 2 witnesses, and a self-proving affidavit signed with it lets the court admit it without witness testimony.

Get Started

Free

Pour-Over Will

In Delaware, a pour-over will is signed before 2 witnesses and moves anything left outside the trust into it through probate.

Get Started

All Delaware forms

Tools for Planning and Settling an Estate in Delaware

Free calculators and checklists to plan or settle an estate in Delaware: will and trust costs, probate, executor pay and taxes. Run each tool for Delaware.

How Much Are Estate & Inheritance Taxes?

Delaware levies no estate or inheritance tax; only the federal estate tax applies above $15,000,000.

Calculate the Tax

What Taxes Apply to My Inheritance?

Delaware imposes no inheritance or estate tax; probate assets arrive when the estate closes, 9 months to 12 months for a simple estate.

Calculate the Tax

How Does Step-Up in Basis Work?

Inherited assets in Delaware take a basis reset to fair market value on the date of death, and the gain on a later sale faces ordinary income tax at the state's regular rates.

Calculate the Tax

When Do I Have to Withdraw an Inherited IRA?

See which federal withdrawal rules apply to an inherited IRA, Roth IRA, or employer plan, the deadline year, and the missed-withdrawal tax.

Check the Rules

What Does Estate Planning Actually Cost?

An attorney-prepared revocable trust in Delaware runs $4,390 to $6,585 and a simple will $1,317 to $2,634, against $0 to $549 up front plus a subscription with an online service.

Calculate Costs

All Delaware tools

Tax Planning Attorneys in New Castle County, Delaware

Probate in New Castle County

New Castle County Register of Wills

Tax Planning Firms Serving New Castle County

Forms for Planning and Settling an Estate in Delaware

Revocable Living Trust

Last Will and Testament

Pour-Over Will

Tools for Planning and Settling an Estate in Delaware

How Much Are Estate & Inheritance Taxes?

What Taxes Apply to My Inheritance?

How Does Step-Up in Basis Work?

When Do I Have to Withdraw an Inherited IRA?

What Does Estate Planning Actually Cost?

Your kids shouldn't have to do this.

Tax Planning Attorneys in New Castle County, Delaware