Reviewed and updated October 16, 2026

Separate the tax obligations

A D.C. resident earning freelance income may need to review both federal and District estimated payments. Form D-40ES relates to the individual District return; it does not pay federal tax or an unincorporated business franchise-tax balance.

Start with the expected income for the year, supported business expenses, other household income, credits and withholding. The District’s individual estimated-tax rules differ from the federal rules. Use the current D-40ES instructions and OTR guidance rather than importing a federal threshold into the District calculation.

Use the schedule for the right return

For calendar-year individuals, the standard D.C. installment dates fall in April, June, September and January of the following year, subject to the applicable due-date rules. These are not four equal calendar quarters. Use the dates published for the actual tax year and record the year and payment type on every confirmation.

A separate business franchise-tax estimate can follow a different schedule, including a December final installment for calendar-year filers. If the business is subject to D-30, have both obligations reviewed. A payment credited to one tax account should not simply be assumed to satisfy the other.

Adjust when the business changes

A new contract, a loss of employment income or a large expense can change the projection. Additional wage withholding may help when there is also a payroll job, but confirm the appropriate employer withholding process and overall calculation. For uneven income, ask whether an annualized method is appropriate.

Keep current profit-and-loss reports, pay statements, prior returns and every payment confirmation. Moving money into a savings account earmarked for tax is a useful reserve practice, but it is not a payment to OTR. Review the plan during the year, and ask the team about an underpayment notice promptly instead of waiting until the next filing season.

Official sources

This guide provides general information. The rules depend on the tax year, jurisdiction and your circumstances. Ask our team which filing or planning steps apply to you.