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

Charter Projects

The game of mini mapping challenges

The ultimate OpenStreetMap validator

Building the world’s most out-of-date map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

Propose a Session!

Our premiere conference series

Our free virtual conference series

Virtual OpenStreetMap hangouts and talks

November 17–22, 2025

Learn from community members

Upcoming events

Fun with Mapillary in Kendall!

Jan 30, 2026 · Meagan Briganti

Speedwalk: More Consistent Sidewalk Tagging

Jan 30, 2026 · Dustin Carlino

Street-level Imagery Collection to Improve the Map

Jan 30, 2026 · Harald Kliems and Sean Whitcomb

Making Invasive Species Management Easier to do

Jan 30, 2026 · Winslow Robinson

Fiber Arts and Mapping

Jan 30, 2026 · Clay Smalley

Meet the OSM US Board

Jan 30, 2026 · OSM US Board

Introducing Sourdough: A New Vector Tile Schema for OpenStreetMap

Jan 30, 2026 · Jake Low

Fast Charge: Accelerating EV Accessibility with Better Maps

Jan 30, 2026 · Kevin Ratzel

History Hits the Road

Jan 30, 2026 · Minh Nguyễn

Mapping Waterways in the Catskills

Jan 30, 2026 · Arlen Kleinsasser

How OSM Data Powers AR Pedestrian Navigation

Jan 30, 2026 · Yunzhi Lin

MascotMap - Tools, Community, and Keeping OSM Weird

Jan 30, 2026 · Matthew Whilden

OpenWetlandsMap

Jan 30, 2026 · Environmental Policy Innovation Center (EPIC) and OpenStreetMap US

OpenStreetMap Driven Broadband Feasibility Modeling with HexMAPP

Jan 30, 2026 · Catharine Crook

Vermont Address Import, Lessons Learned

Jan 30, 2026 · Adam Franco

The Shape of Possibility using OpenStreetMap Data for Smarter Growth

Jan 30, 2026 · David Schneider

What's new at OSM US?

Jan 30, 2026 · Jake Low and Alyssa Castronuovo

The Map Is...

Jan 30, 2026 · Quincy Morgan

OpenStreetMap is for the Children

Jan 30, 2026 · Daniel Schep

How Useful are Mapillary Photos for POI Data

Jan 30, 2026 · Ilya Zverev

Advancing Transit Equity in Phoenix, Arizona

Jan 30, 2026 · Veronica Mandasari

Infrastructure Mapping for Community Wildfire Resilience

Jan 30, 2026 · Tim Bailey

Mapping of Healthcare Facilities in the City of N'zerekore

Jan 30, 2026 · Diallo Moussa

Infrastructure Mapping for Community Wildfire Resilience

Jan 31, 2026 · Tim Bailey

This presentation will be an overview of local climate resilience mapping efforts that directly support local first responders in several rural jurisdictions in Northern California. Specifically this project will explore infrastructure mapping...

Advancing Transit Equity in Tempe, Arizona

Jan 31, 2026 · Veronica Mandasari

Using GIS, I integrate transit frequency, 10-minute walksheds, and regional Transit Propensity Index to map equity gaps in Tempe. I identify priority corridors and stop relocations, and share a replicable framework for...

Dive Into the Deep End: Learn to use the JOSM Editor by Mapping Swimming Pools

Jan 31, 2026 · Sean Whitcomb

The JOSM editor can greatly improve your OSM editing workflows, but learning how to use it can be intimidating. Learn to use the basic features of JOSM by mapping swimming pools. Download...

Creating Thematic Webmaps using Ultra

Jan 31, 2026 · Daniel Schep

This workshop will dive into creating thematic maps using OSM data using Ultra.

OpenHistoricalMap Office Hours

Jan 31, 2026 · Minh Nguyễn

Join the OpenHistoricalMap community for our annual informal office hours. Get advice from fellow mappers, brainstorm some focus areas for the coming year, and give feedback to the OHM advisory group.

Historical Mapping with OpenHistoricalMap, OldInsuranceMaps.net, and Yesterdays

Jan 31, 2026 · Jacob Hall, Mike O'Brien, Jeff Meyer, and Adam Cox

From georeferencing historical Sanborn fire insurance maps on OldInsuranceMaps.net, to georeferencing historical photographs, to mapping through time on OpenHistoricalMap, we’ll share demos and how to get involved.

OSM US Tech Office Hours

Jan 31, 2026 · Jake Low

Chat about OSM US software projects like OSMCha, MapRoulette, Layercake, the Tileservice, and more. Learn about what’s on the roadmap for the coming year and ways you can get involved with development....

Thank you to our Members

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

Mapping USA