Click any coral state for its individual and business filing-extension rules. Solid coral city pins mark local/municipal taxes (New York City, Philadelphia, and others) that are also live. Full coverage - every state, DC, Puerto Rico, and 8 city/local jurisdictions. Updated 9-23-2026.
50 states + DC livePuerto Rico live8 city/local jurisdictions live
City / local tax jurisdiction - live, click to open
Base geometry: US Census Bureau state boundaries via the us-atlas public-domain TopoJSON, rendered client-side with D3.js. Alaska and Hawaii are shown at reduced scale via the standard Albers USA composite projection, not geographically true position.
City and local tax jurisdictions (live)
These localities impose their own income, wage, or earnings taxes independent of the state, each with its own extension rules. They are pinned on the map above as solid coral markers - click a pin or the links below to open a guide. Ohio's page covers all roughly 600 RITA-, CCA-, and self-administered Ohio municipalities under one statewide statute; Michigan's page covers all roughly 24 Michigan cities with a city income tax, including Detroit, under one statewide statute.
State boundary data: US Census Bureau (public domain) via us-atlas. Every state, DC, Puerto Rico, and city/local pin is live as of this build - see the master matrix for the authoritative per-jurisdiction list.
This page is for informational purposes only and is not legal, tax, or accounting advice. No professional relationship is created by using this site. Full disclaimer.