National Building Museum: Single Audit Reports and Findings
National Building Museum filed 1 single audit between 2024 and 2024; the most recently observed auditor is CITRIN COOPERMAN & COMPANY, LLP (2024), and the 2024 report lists 2 findings, including 1 material weakness. Data as of 2026-09-18.
Data as of Sep 18, 2026 · Source: Federal Audit Clearinghouse (public data)
Single audits by year
One row per audit year as the Federal Audit Clearinghouse accepted it. The auditor named is the one observed on that filing; National Building Museum is recorded in WASHINGTON, District of Columbia under EIN 521050999, and the Clearinghouse records it as a nonprofit.
| Audit year | Fiscal year end | Federal expended | Threshold applied | Auditor observed | Findings | MW / SD | FAC report |
|---|---|---|---|---|---|---|---|
| 2024 | 2024-09-30 | $1,136,915 | $750,000 | CITRIN COOPERMAN & COMPANY, LLP | 2 | MW | 2024-09-GSAFAC-0000368074 |
Which federal programs did this organization report?
From the most recent accepted report. "Major" is the designation the auditor made under 2 CFR 200.518, not ours.
| ALN | Program | Expended | Major |
|---|---|---|---|
| 45.301 | MUSEUMS FOR AMERICA | $492,454 | Yes |
| 45.164 | PROMOTION OF THE HUMANITIES PUBLIC PROGRAMS | $400,000 | Yes |
| 91.U01 | NATIONAL CAPITAL ARTS & CULTURAL AFFAIRS | $175,655 | No |
| 45.024 | PROMOTION OF THE ARTS GRANTS TO ORGANIZATIONS AND INDIVIDUALS | $35,000 | No |
| 15.929 | SAVE AMERICA'S TREASURES | $33,806 | No |
What findings did the auditor report?
The reference and the requirement letter are the ones the auditor used. The finding text itself is not reproduced here; the FAC report linked above carries it in full.
| Reference | Requirement | Severity | Repeat |
|---|---|---|---|
| 2024-001 | L | Material weakness | No |
| 2024-002 | I | Material weakness | No |
Form 990 and IRS registration
Form 990 "accounting fees" (Part IX line 11c) cover all accounting services reported by the organization and are not the price of an audit engagement.
- Most recent return
- 990 for 2025-09
- Total revenue
- $11,722,698
- Total assets
- $13,435,347
- Accounting fees (Part IX line 11c)
- $69,497
- Paid preparer
- CITRIN COOPERMAN ADVISORS LLC
- IRS object id
- 202602259349301125
- NTEE code
- A500
- Exempt under
- 501(c)(3)
- Ruling year
- 1976
- BMF release
- 2026-09-17
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How we computed this
Every row comes from the Federal Audit Clearinghouse record named beside it, one report per audit year, with a resubmission superseding the filing it replaces. The auditor is the one named on that filing — it is not a statement about who audits National Building Museum now. Form 990 figures come from the IRS e-filed return named by its object id. This page exists because the organization filed at least two single audits, or one with a finding.
Cite this page
AuditRadar. “National Building Museum Single Audits and Findings (DC).” https://getauditradar.com/single-audits/dc/national-building-museum-521050999/. Data as of 2026-09-18.