Entrepreneurs in Maryland: taxes and retirement for 2026

For solo founders and small-business owners in Maryland. Maryland has a graduated state income tax for 2026: 2% to 6.5% (top rate starts at $1,000,000 for single filers). Here are the 2026 rules, a worked example and the official sources.

Maryland rules for entrepreneurs

State income tax (2026): Maryland has a graduated state income tax for 2026: 2% to 6.5% (top rate starts at $1,000,000 for single filers). State rates run from 2% to 5.75%, plus brackets added in 2025: 6.25% on single taxable income from $500,001 to $1,000,000 and 6.5% above $1,000,000. Every county and Baltimore City adds a local income tax of 2.25% to 3.30% for 2026, collected on the state return. A 2% surtax applies to net capital gains when federal AGI is over $350,000. The 2026 standard deduction is $3,350 for single filers.
State estimated tax: You must file a declaration if you are required to file a Maryland return and expect more than $500 of state and local tax beyond your Maryland withholding. Same dates as federal (April 15, June 15, Sept. 15, 2026, and Jan. 15, 2027). You can skip the January payment by filing and paying in full by Jan. 31, 2027. Pay at least 110% of last year's tax if your income is rising, to avoid interest. Form PV (with the Payment Voucher Worksheet for Estimated Tax).
Annual report and business personal property tax (SDAT): Sole proprietors must file Form 2 by April 15 each year if they own, lease, or use business personal property or need a business license. Personal property tax applies only if total business property in Maryland cost $20,000 or more; below that, you must still file and attest each year to get the exemption. LLCs file Form 1 instead.
3% sales tax on data, IT, and software publishing services: Since July 1, 2025, sales of data, IT, and software publishing services (NAICS 518, 519, 5415, and 5132), such as web hosting, data processing, and computer systems design, are subject to a 3% sales and use tax. Freelancers who sell these services must register and collect it. Contracts signed before July 1, 2025 are generally not taxed, but automatic renewals and new change orders after that date are.
Workplace Fraud Act (construction and landscaping): In construction and landscaping, work done for pay is presumed to be employment. The business must show the worker is an exempt person (a sole operator with no employees other than family) or a properly documented business entity, or pass an ABC test: free from control, customarily in an independent business of the same kind, and the work is outside the usual course or places of business. Businesses must give each contractor written notice of their classification in English and Spanish, and knowing misclassification brings fines.
Rideshare driver deactivation protections (Chapter 232 of 2026, HB 480): Effective Jan. 1, 2027, rideshare companies must keep a written deactivation policy, may not deactivate drivers for certain reasons, can rely on passenger reports only in limited cases, and must let deactivated drivers withdraw their earnings.
State retirement program: MarylandSaves (Maryland Small Business Retirement Savings Program) is live. It is built around W-2 employers and does not cover 1099 contractors through the employer mandate; self-employed residents can enroll on their own.

Federal rules for 2026

Entity choice changes your taxes

A single-member LLC is taxed like a sole proprietorship unless it elects S-corp status. The S-corp can lower payroll tax but adds payroll, a separate return and a reasonable-salary requirement.

Retirement as a tax lever

With no employees, a Solo 401(k) allows up to $72,000 in 2026. With employees, a SEP IRA or a 401(k) must generally cover eligible staff too.

Quarterly estimated taxes

No one withholds tax from self-employment income, so you generally pay estimates four times a year if you expect to owe $1,000 or more. For 2026 income the federal dates are April 15, June 15 and September 15, 2026, and January 15, 2027. Paying 100% of last year's tax (110% if your AGI was over $150,000) in four equal installments avoids the underpayment penalty.

Self-employment tax

On top of income tax, self-employed people pay 15.3% on 92.35% of net profit: 12.4% Social Security up to the 2026 wage base of $184,500, plus 2.9% Medicare with no cap. Half of it is deductible.

A worked example

A solo founder with $200,000 of profit in 2026
Self-employment tax as a sole proprietor	$28,234
Solo 401(k) maximum as a sole proprietor	$61,677
Payroll tax saved as an S-corp on a $100,000 salary	$12,934
Solo 401(k) maximum as that S-corp	$49,500

Federal figures only. S-corps add running costs (payroll, an 1120-S return, state fees) not shown here. Computed from 2026 IRS limits (Notice 2025-67, Rev. Proc. 2025-32) and the SSA wage base.

Free tools

S-corp vs Solo 401(k) calculator Solo 401(k) vs SEP IRA calculator Quarterly tax calculator

Guides by job and platform

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Questions

Do entrepreneurs in Maryland pay state income tax?

Maryland has a graduated state income tax for 2026: 2% to 6.5% (top rate starts at $1,000,000 for single filers). State rates run from 2% to 5.75%, plus brackets added in 2025: 6.25% on single taxable income from $500,001 to $1,000,000 and 6.5% above $1,000,000. Every county and Baltimore City adds a local income tax of 2.25% to 3.30% for 2026, collected on the state return. A 2% surtax applies to net capital gains when federal AGI is over $350,000. The 2026 standard deduction is $3,350 for single filers.

When are Maryland estimated tax payments due for 2026?

You must file a declaration if you are required to file a Maryland return and expect more than $500 of state and local tax beyond your Maryland withholding. Same dates as federal (April 15, June 15, Sept. 15, 2026, and Jan. 15, 2027). You can skip the January payment by filing and paying in full by Jan. 31, 2027. Pay at least 110% of last year's tax if your income is rising, to avoid interest. The state form is PV (with the Payment Voucher Worksheet for Estimated Tax).

Are there other Maryland taxes for self-employed entrepreneurs?

Annual report and business personal property tax (SDAT): Sole proprietors must file Form 2 by April 15 each year if they own, lease, or use business personal property or need a business license. Personal property tax applies only if total business property in Maryland cost $20,000 or more; below that, you must still file and attest each year to get the exemption. LLCs file Form 1 instead. 3% sales tax on data, IT, and software publishing services: Since July 1, 2025, sales of data, IT, and software publishing services (NAICS 518, 519, 5415, and 5132), such as web hosting, data processing, and computer systems design, are subject to a 3% sales and use tax. Freelancers who sell these services must register and collect it. Contracts signed before July 1, 2025 are generally not taxed, but automatic renewals and new change orders after that date are.

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Sources

State and local facts researched from official sources and independently re-checked; last verified October 2026, next scheduled review 2027-01-02. Educational information for 2026, not tax, legal or investment advice. Rules change; check the official sources listed and a tax professional for your situation. Gigaverse AI, Inc. is a financial technology company, not a bank, and not itself a registered investment adviser or broker-dealer.