Maryland to Delaware Retirement Taxes (2026): Every Tax That Changes

Updated July 25, 2026. Quick answer (2026): Moving from Maryland to Delaware in retirement, the change is narrower than the headline rate comparison suggests. Four separate taxes change when you move — state income tax on withdrawals, state estate tax, state inheritance tax, and what probate costs your heirs. Most comparisons only price the first one.

Maryland vs Delaware: every tax that changes

Every cell is quoted from our statute-cited 51-jurisdiction dataset. Download the full dataset as CSV.

1. What changes on your annual tax bill

Maryland: Pension exclusion for age 65+ or totally disabled: up to $40,600 for tax year 2026 ($41,200 for tax year 2025), indexed to the maximum Social Security benefit. Delaware: Age 60+ with at least 3 years of Delaware domicile (5 years if domiciled on or after January 1, 2027): exclude up to $12,500 per person of pension plus eligible retirement income (includes 401(k), IRA, Keogh, 457, plus dividends/interest/capital gains/rental income used for retirement). Compare the two schedules directly rather than the headline top rates, because exclusions and age thresholds usually matter more than the rate.

2. What changes at death: state estate tax

This is usually the larger number. Maryland levies an estate tax — yes (BOTH taxes – only state) – estate tax exemption $5,000,000 (fixed since 2019, not indexed); graduated rates up to 16%; Maryland-only portability of unused spousal exclusion allowed. Inheritance tax paid on a bequest is credited against estate tax — and Delaware levies none (none (repealed effective 1/1/2018)). Establishing domicile in Delaware removes that exposure for assets that are not Maryland real property.

3. What changes at death: state inheritance tax

An inheritance tax is charged to the person who receives the money, by relationship — not to the estate. Maryland: yes – 10% on ‘collateral’ beneficiaries (e.g., nieces/nephews, cousins, friends, unmarried partners); EXEMPT: spouse, children and other lineal descendants and their spouses, parents, grandparents, siblings, stepchildren/stepparents, and small transfers under $1,000 Delaware levies none. Nieces, nephews, siblings and unmarried partners are the heirs most affected.

4. The one nobody prices: what probate costs your heirs

Maryland uses a hybrid fee model (PR: reasonable compensation subject to statutory percentage CAP (Md. Code, Est. & Trusts §7-601): may not exceed 9% of the first $20,000 of the estate plus 3.6% of the excess over $20,000 (i.e., $1,800 + 3.6%), unless the will provides more. Attorney fees: reasonable (§7-602), commonly evaluated against the same cap in practice.); Delaware uses a reasonable-fee model (PR commissions and attorney fees allowed as provided by rule of the Court of Chancery (12 Del. C. §2305); no current statutory percentage schedule verified.). Filing fees — Maryland: Register of Wills probate fees scale with estate value (regular estates: no fee below $50,000, $100 from $50,000 to $100,000, $200 from $100,000 to $500,000, rising to $10,000 plus 0.02% of the excess over $10,000,000 (estates opened on or after October 1, 2022); no probate fee for small estates); official schedule at registers.maryland.gov Delaware: varies by county

Full detail: probate cost by state and small-estate limits by state.

Does this actually apply to you?

Below $1,000,000 no US state estate tax applies anywhere — Oregon has the lowest threshold in the country and that is where it starts. So for most estates the whole “escape the death tax” framing is irrelevant, and the only thing that changes when you move is your annual income tax. Here is exactly where the line falls for this pair: Maryland also levies an inheritance tax, charged to the heir by relationship regardless of estate size.

Thresholds are the 2026 figures in our verified dataset and apply to the taxable estate. Federal estate tax is separate and far higher. Test your own number with the comparison tool.

Probate cost in each state, specifically

Maryland uses a hybrid standard — a statutory bound with reasonableness inside it, and its statute does not say whether that route reaches real property. Delaware uses a “reasonable fee” standard with no schedule, and its small-estate route does not clear a solely owned house. The two states differ on that question, which is exactly the kind of thing a move changes. Full figures with the governing statute, the court filing fee and the small-estate threshold: Maryland probate cost and Delaware probate cost.

Four taxes, two states, one order of operations

Everything above changes together: what Maryland stops taking on withdrawals, what Delaware does not take at death, and what probate costs in each. The order you do things in — when you establish domicile, when you convert, when you retitle property — changes the total, and some of it cannot be undone afterwards. If a move is genuinely on the table, here is what to look for in an advisor who knows both Maryland and Delaware. If you would rather price it yourself first, the two-state comparison tool is free and asks for no email.

Will Maryland still tax me after I move to Delaware?

Not on your retirement withdrawals, once you genuinely change domicile — but that is a harder test than a change of address, and what you leave behind stays in reach.

• Domicile is a test, not a mailing address. A departing state can and does audit residency. Days present, voter registration, driver’s licence, where your doctors and advisers are, and where you keep what you value all count.
• Real property left behind stays taxable. Keeping a home in Maryland can keep part of the estate within reach of Maryland rules even after you become a Delaware resident.
• A Roth conversion is taxed where you live in the year you convert. Sequencing a conversion after establishing the new domicile is often worth more than the annual saving — see how all 51 jurisdictions tax Roth conversions.

If you keep a home in Maryland, what happens at death?

Changing domicile moves you. It does not move the house. Maryland levies both an estate tax and an inheritance tax, and it reaches a nonresident decedent’s real property situated there — so a home kept behind after the move stays within Maryland’s reach even once Delaware is your legal home for every other purpose. Estate tax return required from a nonresident owning Maryland real or tangible property where the gross estate exceeds $5,000,000, with tax based on the Maryland share. Inheritance tax reaches real property only if located in Maryland.

Inheritance tax is a flat 10% on beneficiaries who are not lineal relatives or siblings; close family are exempt. Estate tax due is reduced by inheritance tax paid. The practical consequence is the part most summaries skip: Maryland is the only state levying both, though a credit prevents the same assets being taxed twice. Authority: Md. Tax-General Title 7; Comptroller guidance.

This is the exposure that survives a move, and it is the one worth pricing before the move rather than after. The house also stays within that state’s probate jurisdiction, so the estate faces a separate ancillary proceeding there on top of the probate where you live — the ancillary probate calculator prices that second proceeding. Confirm the current figures with the state revenue department or a licensed professional before acting — thresholds move, and the arithmetic depends on the whole estate, not just the house.

Full state detail

Every figure above is summarized. The complete statute-cited breakdown for each state: Maryland retirement taxes and Delaware retirement taxes. To compare any other pair, start at the retirement tax relocation hub.

Widen the comparison

This page prices one corridor. To see every destination Maryland retirees consider and every origin state moving to Delaware, start there instead. For any pair not covered, the retirement tax comparison tool runs all 51 jurisdictions, and the probate cost calculator works out what settling the estate costs in each.

Talking this through

Relocation timing, Roth conversion sequencing and estate exposure interact, and the order you do them in changes the total. If you want a second opinion, understand what it should cost first — see our advisor cost guide.

Figures verified against 30 Del. C. §1102 and §1106(b)(3), 30 Del. C. chapters 13 and 15, 12 Del. C. §2305 and §2306, Oregon Revised Statutes chapter 118 (the $1,000,000 estate-tax threshold), and Md. Code Tax-General §§7-203, 7-204, 7-304, 7-309, 10-105, 10-106 and 10-209, Md. Code Est. & Trusts §§5-601 and 7-601, the Comptroller pension exclusion worksheet and the Register of Wills fee schedule on September 30, 2026; the Delaware Social Security treatment and county filing-fee statements, Oregon’s ranking as the lowest threshold, the Maryland nonresident estate-tax return trigger and the claim that Maryland is the only state with both death taxes were not re-checked were not re-checked.

Primary sources

• Md. Tax-Gen. § 10-209 (pension exclusion)
• Md. Tax-Gen. § 10-207 (military)
• Comptroller Technical Bulletin No. 51
• Md. Code, Tax-Gen. sec. 7-309(b)
• Md. Code, Tax-Gen. sec. 7-203
• Md. Code, Tax-Gen. sec. 7-204
• 30 Del. C. § 1106(b)
• Delaware Division of Revenue Personal Income Tax FAQs
• Md. Code, Est. & Trusts §7-601
• Md. Code, Est. & Trusts §5-601
• Md. Code, Est. & Trusts §2-206
• 12 Del. C. §2306
• 12 Del. C. §2305

Methodology: every figure is quoted from Clear Money Guide’s statute-cited 51-jurisdiction datasets, compiled from state statutes, session laws and revenue-department publications and adversarially verified in July 2026. Nothing here is personalized tax or legal advice. Confirm your own facts with a qualified adviser before you move.