MT. DIABLO UNIFIED SCHOOL DISTRICT: Single Audit Reports and Findings
MT. DIABLO UNIFIED SCHOOL DISTRICT filed 10 single audits between 2016 and 2025; the most recently observed auditor is NIGRO & NIGRO, PC (2025), and the 2025 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; MT. DIABLO UNIFIED SCHOOL DISTRICT is recorded in CONCORD, California under EIN 680091157, and the Clearinghouse records it as a local government.
| Audit year | Fiscal year end | Federal expended | Threshold applied | Auditor observed | Findings | MW / SD | FAC report |
|---|---|---|---|---|---|---|---|
| 2025 | 2025-06-30 | $32,035,965 | $961,079 | NIGRO & NIGRO, PC | 2 | MW / SD | 2025-06-GSAFAC-0000393518 |
| 2024 | 2024-06-30 | $59,421,559 | $1,782,647 | NIGRO & NIGRO, PC | 6 | MW / SD | 2024-06-GSAFAC-0000346647 |
| 2023 | 2023-06-30 | $45,046,528 | $1,351,396 | NIGRO & NIGRO, PC | 0 | MW | 2023-06-GSAFAC-0000013922 |
| 2022 | 2022-06-30 | $52,182,431 | $1,565,473 | CROWE LLP | 0 | — | 2022-06-CENSUS-0000133615 |
| 2021 | 2021-06-30 | $49,440,475 | $1,483,214 | CROWE LLP | 0 | — | 2021-06-CENSUS-0000133615 |
| 2020 | 2020-06-30 | $23,066,986 | $750,000 | CROWE LLP | 0 | — | 2020-06-CENSUS-0000133615 |
| 2019 | 2019-06-30 | $26,162,053 | $784,862 | CROWE LLP | 0 | — | 2019-06-CENSUS-0000133615 |
| 2018 | 2018-06-30 | $26,612,987 | $798,390 | CROWE LLP | 0 | — | 2018-06-CENSUS-0000133615 |
| 2017 | 2017-06-30 | $27,285,970 | $818,579 | NIGRO & NIGRO, PC | 0 | SD | 2017-06-CENSUS-0000133615 |
| 2016 | 2016-06-30 | $28,724,914 | $861,747 | NIGRO & NIGRO, PC | 5 | — | 2016-06-CENSUS-0000133615 |
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 |
|---|---|---|---|
| 84.027 | SPECIAL EDUCATION GRANTS TO STATES | $7,641,288 | Yes |
| 10.555 | NATIONAL SCHOOL LUNCH PROGRAM | $6,139,573 | No |
| 84.010 | TITLE I GRANTS TO LOCAL EDUCATIONAL AGENCIES | $5,890,222 | Yes |
| 10.558 | CHILD AND ADULT CARE FOOD PROGRAM | $1,798,870 | No |
| 10.553 | SCHOOL BREAKFAST PROGRAM | $1,361,124 | No |
| 84.367 | SUPPORTING EFFECTIVE INSTRUCTION STATE GRANTS (FORMERLY IMPROVING TEACHER QUALITY STATE GRANTS) | $1,110,998 | Yes |
| 10.553 | SCHOOL BREAKFAST PROGRAM | $1,068,261 | No |
| 84.424 | STUDENT SUPPORT AND ACADEMIC ENRICHMENT PROGRAM | $996,293 | Yes |
| 10.555 | NATIONAL SCHOOL LUNCH PROGRAM | $972,815 | No |
| 84.010 | TITLE I GRANTS TO LOCAL EDUCATIONAL AGENCIES | $877,129 | Yes |
| 84.365 | ENGLISH LANGUAGE ACQUISITION STATE GRANTS | $812,219 | No |
| 10.555 | NATIONAL SCHOOL LUNCH PROGRAM | $465,765 | No |
| 17.259 | WIOA YOUTH ACTIVITIES | $360,590 | No |
| 93.558 | TEMPORARY ASSISTANCE FOR NEEDY FAMILIES | $350,120 | No |
| 84.027 | SPECIAL EDUCATION GRANTS TO STATES | $346,220 | Yes |
| 12.000 | JUNIOR RESERVE OFFICERS' TRAINING CORPS | $314,601 | No |
| 84.048 | CAREER AND TECHNICAL EDUCATION -- BASIC GRANTS TO STATES | $266,646 | No |
| 84.173 | SPECIAL EDUCATION PRESCHOOL GRANTS | $236,907 | Yes |
| 84.027 | SPECIAL EDUCATION GRANTS TO STATES | $191,847 | Yes |
| 84.002 | ADULT EDUCATION - BASIC GRANTS TO STATES | $187,121 | No |
| 84.181 | SPECIAL EDUCATION-GRANTS FOR INFANTS AND FAMILIES | $161,463 | No |
| 10.558 | CHILD AND ADULT CARE FOOD PROGRAM | $98,974 | No |
| 93.600 | HEAD START | $91,103 | No |
| 84.002 | ADULT EDUCATION - BASIC GRANTS TO STATES | $87,681 | No |
| 84.002 | ADULT EDUCATION - BASIC GRANTS TO STATES | $80,675 | 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 |
|---|---|---|---|
| 2025-003 | N | Significant deficiency | No |
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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 MT. DIABLO UNIFIED SCHOOL DISTRICT 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. “MT. DIABLO UNIFIED SCHOOL DISTRICT Single Audits.” https://getauditradar.com/single-audits/ca/mt-diablo-unified-school-district-680091157/. Data as of 2026-09-18.