Welcome to the home of open mapping in the United States

OpenStreetMap is the free, editable map of the world. OpenStreetMap US is a nonprofit organization helping to support and grow the project in the US.

Our Work

Taking open mapping to the classroom

Targeted mapping for community partners

Solutions for responsible trail mapping

Powering community-led tools

Bridging the open data gap

The pen-and-paper mapping workflow

Get the lay of the land on OpenStreetMap's trail data

Free vector tiles and related resources needed to create interactive maps

Thematic extracts of OpenStreetMap data in cloud-native file formats

Full-featured static website theme

Charter Projects

The game of mini mapping challenges

The ultimate OpenStreetMap validator

Building the world’s most out-of-date map

Community Projects

A quintessentially American map style

Only the freshest OpenStreetMap data

Get Involved

Learn how to make your first edit

Join us!

Invest in our mission

Giving directly to the people making OSM the world’s best map

Community messenger and workspace

Collaborative mapping campaigns

Shop official OSM US merchandise

Conferences & Events

Our premiere conference series

Submit a Talk!

Our free virtual conference series

Virtual OpenStreetMap hangouts and talks

November 17–22, 2025

Learn from community members

Upcoming event

Sidewalk Mapping Part 2

Nov 19, 2025 · Amy Bordenave and Jacob Hall

Back by popular demand, the OSM US Pedestrian Working Group will be leading another sidewalk-focused Mappy Hour on November 19th, 2025 at 8:00pm EST! Join us for a continuation of the discussions...

The Americana Map

The US OpenStreetMap community has been working on a map suited to the cartographic needs and traditions of the United States. It's a great way to explore OpenStreetMap data through a US lens. Learn More

Thank you to our Members

The support of our members makes our work possible. Consider becoming an individual or organizational member.