1099 Contractor in District of Columbia with a Mississippi Client: Where Do You File?
Answer
District of Columbia always, Mississippi sometimes. With no withholding on a 1099 the whole tax is yours to manage: estimate to District of Columbia through the year, and file a Mississippi nonresident return for any income from work you physically performed in Mississippi, claiming the credit back on the District of Columbia return.
Last verified
The client's location is the wrong thing to track. What matters is where you were sitting when you did the work — which is why a contractor's exposure to Mississippi is measured in days on the ground rather than in invoices sent.
Mississippi publishes no de minimis day count or dollar floor for nonresidents. Any Mississippi-source wage income above the state's general filing threshold requires a nonresident return, and that threshold is reset each year — check the current figure on the Mississippi Department of Revenue nonresident instructions before filing.
What you file
- 1Quarterly estimated payments · District of Columbia
Make quarterly estimated payments to District of Columbia Office of Tax and Revenue on your full self-employment income — nothing is withheld from a 1099.
- 2Nonresident return · MississippiForm 80-205
File a Mississippi nonresident return only if you performed services inside Mississippi. Mississippi publishes no de minimis day count or dollar floor for nonresidents. Any Mississippi-source wage income above the state's general filing threshold requires a nonresident return, and that threshold is reset each year — check the current figure on the Mississippi Department of Revenue nonresident instructions before filing.
- 3Resident return · District of ColumbiaSchedule U (Form D-40)
File the District of Columbia resident return last and claim the credit for any tax paid to Mississippi.
The two states, side by side
| District of Columbia | Mississippi | |
|---|---|---|
| Taxes wages | Yes — graduated | Yes — flat |
| Reciprocity partners | 2 (Form D-4A) | None |
| Convenience rule | No | No |
| Nonresident return | None — nonresidents exempt | Form 80-205 |
| Credit for other-state tax | Schedule U (Form D-40) | Form 80-160 |
| Nonresident safe harbour | Not applicable | None published |
| Local income tax | No | No |
| Revenue department | District of Columbia Office of Tax and Revenue | Mississippi Department of Revenue |
| Last verified |
The other direction
Reversing the commute does not always reverse the answer. Living in Mississippi and working in District of Columbia gives:Home state, plus the client state if you work there.
Same two states, different situation
The withholding answer turns on how you are paid and where the work happens, not only on which two states are involved.
- W-2 commuter: District of Columbia → MississippiBoth states — credit offsets the double tax
- Remote worker: District of Columbia → MississippiHome state only
- Moved mid-year: District of Columbia → MississippiTwo part-year returns
Other District of Columbia pairs
Questions people actually ask
I live in District of Columbia and my client is in Mississippi. Do I have to file a Mississippi tax return?
District of Columbia always, Mississippi sometimes. With no withholding on a 1099 the whole tax is yours to manage: estimate to District of Columbia through the year, and file a Mississippi nonresident return for any income from work you physically performed in Mississippi, claiming the credit back on the District of Columbia return.
Do reciprocity agreements help a 1099 contractor?
No. Every state reciprocity agreement in the country is an arrangement about wage withholding between two revenue departments, and a 1099 has no withholding to switch off. Whether District of Columbia and Mississippi hold an agreement makes no difference to a self-employed filer — sourcing rules decide the answer instead.
How current is this?
The District of Columbia and Mississippi rules on this page were last checked against District of Columbia Office of Tax and Revenue and Mississippi Department of Revenue on 2026-08-07. We re-check the full grid every December after state legislative sessions close, and re-check the convenience-of-the-employer states quarterly because that is where the rules move fastest.
Sources
Every fact above comes from the revenue department that publishes the rule. We do not cite secondary summaries, and we do not restate a figure we could not find at source.
- District of Columbia Office of Tax and Revenue — individual income taxaccessed 2026-08-07
- Mississippi Department of Revenue — individual income taxaccessed 2026-08-07