OpenStreetMap US

State of the Map US Fellowship application closes February 6th • Nominations for the Board of Directors election end February 8th
State of the Map US Call for Proposals closes February 16th • You must be a member of OSM US by February 22nd in order to vote in our Board elections

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
The game of mini mapping challenges
The ultimate OpenStreetMap validator
The pen-and-paper mapping workflow
Free vector tiles and related resources needed to create interactive maps
Thematic extracts of OpenStreetMap data in cloud-native file formats
Get the lay of the land on OpenStreetMap's trail data
Bridging the open data gap

Charter Projects

Building the world’s most out-of-date map
We don’t just build maps. We build mappers.

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
Our free virtual conference series
Virtual OpenStreetMap hangouts and talks
November 17–22, 2025
Learn from community members

Thank you to our Members

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

Strategic Organizational Members

OpenStreetMap US

© 2010–2026 OpenStreetMap US