Is it real?
Yes. Never revoked by the IRS. Latest filing on record: FY2025. IRS ruling in Sep 2013.
IRS Pub. 78 · IRS Auto-Revocation List · IRS Business Master File
Where the money goes
100 cents of each dollar spent went to programs.
Form 990 Part IX, line 25. Every line is in By the numbers.
Something off? Claim to add context
Who runs it and what they're paid
4 people listed on the 990.
Questions the 990 asks
The form asks each of these directly. These are the filed answers.
- Family or business ties among officersPt VI · Ln 2No
- Top official's pay set by an independent reviewPt VI · Ln 15aNo
Programs and updates
Teaches collaborative design to create an abundant economy and end housing scarcity.
Questions for Open Source Ecology
Your first name shows with your question. Open Source Ecology answers here, for everyone.
This year we continued developing an apprenticeship and training program for builders, with a focus on design refinement, build documentation, training materials, and curriculum development. We have spent significant time on financial model development to support an initial cohort of 24 students, which we expect to launch in 2025.
Form 990 Part III, line 4, FY2024. The organization’s own words, as filed with the IRS. Find it at the IRS (EIN 45-4997514) · Dispute this lineFunders
Who pays for it.
From grant filings on record. Receipts are incomplete: individual donors are never listed.
Grants
By the numbers
The FY2024 990, line by line.
Download 990
| Line | Start FY24 | End FY24 |
|---|---|---|
| Cash and savingsLn 1–2 | $247K | $310K |
| Total assetsLn 16 | $247K | $310K |
| LiabilitiesLn 26 | $0 | $0 |
| Net assetsLn 32 | $247K | $310K |
| Line | Total | Programs | Management | Fundraising |
|---|---|---|---|---|
| Grants to domestic organizationsLn 1 | $0 | $0 | ||
| Grants to domestic individualsLn 2 | $0 | $0 | ||
| Grants and assistance to foreign recipientsLn 3 | $0 | $0 | ||
| Benefits paid to or for membersLn 4 | $0 | $0 | ||
| Pay of officers and key staff (Part IX, line 5)Ln 5 | $0 | $0 | $0 | $0 |
| Pay of disqualified personsLn 6 | $0 | $0 | $0 | $0 |
| All other expensesLn 24e | $196K | $196K | ||
| Total functional expensesLn 25 | $196K | $196K | $0 | $0 |
Filing history
| Year | Money in | Money out | In minus out | Net assets | Download |
|---|---|---|---|---|---|
| FY2025 LatestFiled with the IRS May 15, 2026 | $690K | $492K | $198K | $508K | 990 PDF |
| FY2024 ViewingFiled with the IRS May 13, 2025 | $259K | $196K | $63K | $310K | 990 PDF |
| FY2023Filed with the IRS May 12, 2024 | $258K | $203K | $56K | $247K | 990 PDF |
| FY2022Filed with the IRS May 14, 2023 | $198K | $154K | $44K | $191K | 990 PDF |
| FY2021Filed with the IRS May 15, 2022 | $173K | $242K | −$69K | $147K | 990 PDF |
| FY2020Filed with the IRS Jun 16, 2021 | $79K | $76K | $4K | $16K | 990 PDF |
Schedules filed Part IV
See the full FY2024 990
Part I · Summary $259,100 revenue, 12 lines filed
Part VI · Governance 4 of 4 board members independent, 2 to look at
Part VIII · Statement of revenue $259,100 across 9 lines filed
Part IX · Statement of functional expenses $196,138 across 7 lines filed
Part X · Balance sheet $309,653 assets, 15 lines filed
Part XI · Reconciliation of net assets $309,653 net assets at year end
Form 990 e-file (XML) FY2024 from the IRS · Classification, formation year and address from the IRS Business Master File
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