TinkerMill
We are a volunteer-driven organization that provides space, equipment, and community, empowering people on the Front Range to make, learn, and grow.
About TinkerMill
TinkerMill is a member-supported makerspace and 501(c)(3) nonprofit in Longmont, Colorado that provides industrial-grade tools, studio space, classes, and a collaborative community for makers, students, and early-stage entrepreneurs.
In the last 2–3 years TinkerMill expanded K–12 partnerships and public programming (including Repair Cafés and downtown astronomy events), and reported sustained revenue and membership growth supporting program delivery and facility improvements.
Notable achievements
Fiscal growth (FY2023)
Reported a notable increase in operating revenue and program activity in 2023, strengthening the organization’s financial position and program capacity.
Expanded school partnerships (2023)
Expanded outreach to multiple St. Vrain Valley schools in 2023, bringing hundreds of students into hands-on maker programming and workshops.
Local recognition (2024)
Awarded Longmont Chamber of Commerce Nonprofit of the Year in 2024 and credited with helping launch dozens of member-led businesses.
At a glance
- Total assets
- $1.6M
- Annual revenue
- $574K
- Tax status
- 501(c)(3)Public charity
- EIN
- 46-3073831
- Location
- Longmont, CO
- Website
- tinkermill.org
- On Mahalo since
- November 2025
Financial figures from the IRS Business Master File, the IRS’s registry of tax-exempt organizations.
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