Maryland State Income Tax Guide (2026)

Maryland's headline state schedule runs from 2% on the first $1,000 of taxable income up through 5.75% on income above $250,000 (single), then 6.25% above $500,000 and 6.5% above $1,000,000 under the 2024 Budget Reconciliation Act top-bracket additions. MFJ thresholds run roughly 20% higher. A senior software engineer at Lockheed Martin Bethesda earning $185K pays about $8,350 in state tax — that's a 4.5% effective rate at this comp tier. The 6.5% top bracket is theater for almost everyone outside hedge fund and senior law-firm partner comp.

The county piggyback is where the math gets real. Every Marylander pays a county income tax set by the county of residence, applied to the same MD taxable income, withheld on the same W-2 line, and remitted to the home county. Major rates: Montgomery 3.2%, Howard 3.2%, Prince George's 3.2%, Baltimore City 3.2%, Baltimore County 3.2%, Anne Arundel 2.81%, Carroll 3.03%, Charles 3.03%, Frederick ~2.96%, Harford ~3.06%, Worcester 1.75% (the famously low Eastern Shore exception). There is no credit against state tax — the two stack.

Combined effective for a Bethesda software engineer at $185K: ~4.5% state + 3.2% Montgomery County = 7.7% on wages. Same person in Howard, Prince George's, or Baltimore City: identical combined rate. Move 90 minutes east to Worcester County (Ocean City retirees) and the combined drops to ~6.25%. Move across the river to Arlington VA and the combined drops to ~5.1% (VA state alone, no local). The piggyback is the structural reason a federal worker can save $3,000-$5,000/year by living NoVA instead of MoCo at identical comp.

MD's standard deduction ($2,550 single / $5,150 MFJ for 2026, indexed) is among the lowest in the country, and dramatically below the federal $16,100 / $32,200. The personal exemption is $3,200 per filer. The structural effect: more of your income falls into higher MD brackets than the same income would in MA, PA, or VA. This is why MD often shows up in 'most-taxed states' rankings even though the headline 5.75% rate looks moderate.

Maryland has wage-tax reciprocity with DC, VA, WV, and PA. The two that matter most: MD-DC and MD-VA. A Bethesda or Silver Spring resident working in downtown DC owes only MD income tax (state + Montgomery County). DC charges no income tax on non-resident wages — a unique federal-only structure. File DC Form D-4A (Certificate of Non-Residence) with your DC employer to ensure MD tax (not DC) is withheld. Similarly clean for MD residents working in Virginia: file VA Form VA-4 with the VA employer.

The Capital region's tri-jurisdictional reciprocity is the cleanest in the country. Three different governments, three different tax structures, and the commuter rules work without dual-state filing or credit reconciliations — provided you file the right certificate on day one of the job. Many self-prepared returns miss the certificate step and end up with double withholding, which then requires a credit fight at filing time.

What the reciprocity does NOT solve: the MD-vs-VA residential math itself. At the same gross pay, a Bethesda resident pays MD state + Montgomery 3.2% = ~7.5% combined. An Arlington resident pays VA state alone = ~5.1%. The 2.4-point gap is structural and survives reciprocity. The reason a meaningful share of federal workforce growth has shifted toward NoVA over MoCo for two decades.

Four scenarios that cover most readers. Find the one closest to you. If none match, the calculator at the top is for you.

Maryland property tax statewide average is about 1.05% effective on market value — moderate by national standards. Approximate effective rates by county on a primary residence: Montgomery (Bethesda/Rockville/Silver Spring) 0.95-1.10%, Howard (Columbia/Ellicott City) 1.05-1.20%, Anne Arundel (Annapolis) 0.85-1.00%, Prince George's 1.00-1.25%, Baltimore County 1.00-1.15%, Frederick 0.95-1.10%, Charles 0.95-1.10%, Carroll 0.95-1.10%, Harford 0.95-1.10%, Worcester (Ocean City) 0.65-0.85%.

Baltimore City is the punishing outlier at 1.55-1.80% effective — among the highest in any major US city. The structural reason is the city's narrow tax base (low grand list per resident, distressed commercial property, population decline) divided across a budget that includes legacy pension obligations and the cost of running a major city with no county-level government to share services. The city offers homestead credits and Homestead Property Tax Credit phase-in that softens annual increases for long-tenured owners, but new buyers face the full bill. A $350K Baltimore City home pays $5,500-$6,300/year in property tax. The same house in surrounding Baltimore County pays $3,800-$4,300.

On top of the annual mill, MD also has a recordation tax (varies by county, typically 0.5-1.0% of consideration) plus state transfer tax of 0.5% on sales — applied at closing. Selling a $700K MoCo home runs $7,000-$10,000 in combined transfer and recordation taxes alone, before broker commission. The OBBBA SALT cap raise to $25K (with phase-out above $500K income) softens the deductibility hit on the annual mill but doesn't change the cash bill.

If you're earning $100K+ in MD and you're not doing most of these, you may be leaving real money on the table. None of this is exotic. Most of it is 30 minutes of setup once a year and discipline the rest of the year.

Maryland is a quietly high-tax state. The headline 5.75% (or 6.5% for $1M+) obscures the mandatory 2.81-3.2% county piggyback that brings the combined effective rate well above 7% for most working professionals in major counties. The trade-off is real and underrated: strong public services, excellent public schools in Howard, Montgomery, Frederick (consistently top-25 nationally), proximity to NIH/FDA/federal employers, and the cleanest tri-jurisdictional reciprocity in the country.

Run your numbers in the calculator above. Watch your effective rate, not just the state line. Then add your county piggyback manually — the calculator doesn't model it. Montgomery / Howard / Prince George's / Baltimore City / Baltimore County all 3.2%. Anne Arundel 2.81%. Worcester (Eastern Shore) 1.75% is the lowest. If you're choosing between MD counties, the piggyback differential is the biggest single variable.

If you're a DC or VA commuter, file the right reciprocity certificate with your employer on day one — DC Form D-4A or VA Form VA-4. Skipping it means double-withholding and a credit reconciliation at filing time.

If you're under-saving in retirement accounts, fix that this month before any other tax move. The biggest tax mistake most MD professionals make isn't paying too much MD tax — it's leaving thousands on the table in 401(k), HSA, and Mega Backdoor Roth shelter. The General Assembly makes for an easy villain; the harder one is in the mirror, and that one's beatable.