SONOMA-MARIN AREA RAIL TRANSIT DISTRICT: Single Audit Reports and Findings
SONOMA-MARIN AREA RAIL TRANSIT DISTRICT filed 10 single audits between 2016 and 2025; the most recently observed auditor is EIDE BAILLY LLP (2025), and the 2025 report lists 1 finding. 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; SONOMA-MARIN AREA RAIL TRANSIT DISTRICT is recorded in PETALUMA, California under EIN 721575834, and the Clearinghouse records it as a state government entity.
| Audit year | Fiscal year end | Federal expended | Threshold applied | Auditor observed | Findings | MW / SD | FAC report |
|---|---|---|---|---|---|---|---|
| 2025 | 2025-06-30 | $6,789,602 | $750,000 | EIDE BAILLY LLP | 1 | SD | 2025-06-GSAFAC-0000407323 |
| 2024 | 2024-06-30 | $5,201,491 | $750,000 | EIDE BAILLY LLP | 0 | — | 2024-06-GSAFAC-0000348926 |
| 2023 | 2023-06-30 | $12,406,690 | $750,000 | EIDE BAILLY LLP | 0 | — | 2023-06-GSAFAC-0000021359 |
| 2022 | 2022-06-30 | $10,751,080 | $750,000 | EIDE BAILLY LLP | 0 | SD | 2022-06-CENSUS-0000235929 |
| 2021 | 2021-06-30 | $13,661,605 | $750,000 | MAZE AND ASSOCIATES | 0 | — | 2021-06-CENSUS-0000235929 |
| 2020 | 2020-06-30 | $10,667,403 | $750,000 | MAZE AND ASSOCIATES | 0 | — | 2020-06-CENSUS-0000235929 |
| 2019 | 2019-06-30 | $21,280,239 | $750,000 | MAZE AND ASSOCIATES | 0 | — | 2019-06-CENSUS-0000235929 |
| 2018 | 2018-06-30 | $9,486,284 | $750,000 | MAZE AND ASSOCIATES | 0 | — | 2018-06-CENSUS-0000235929 |
| 2017 | 2017-06-30 | $2,930,193 | $750,000 | MAZE AND ASSOCIATES | 0 | — | 2017-06-CENSUS-0000235929 |
| 2016 | 2016-06-30 | $3,886,032 | $750,000 | MACIAS GINI & O'CONNELL LLP | 1 | SD | 2016-06-CENSUS-0000235929 |
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 |
|---|---|---|---|
| 20.507 | FEDERAL TRANSIT FORMULA GRANTS | $3,770,292 | No |
| 20.325 | CONSOLIDATED RAIL INFRASTRUCTURE AND SAFETY IMPROVEMENTS | $1,749,299 | Yes |
| 20.507 | FEDERAL TRANSIT FORMULA GRANTS | $1,036,535 | No |
| 20.534 | COMMUNITY PROJECT FUNDING CONGRESSIONALLY DIRECTED SPENDING | $182,856 | No |
| 20.301 | RAILROAD SAFETY | $50,620 | 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 |
|---|---|---|---|
| 2025-001 | L | Significant deficiency | No |
Read next
- CPA firms that audit California nonprofits
- California single audit statistics
- California nonprofit audit requirements
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 SONOMA-MARIN AREA RAIL TRANSIT 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. “SONOMA-MARIN AREA RAIL TRANSIT DISTRICT Single Audits.” https://getauditradar.com/single-audits/ca/sonoma-marin-area-rail-transit-district-721575834/. Data as of 2026-09-18.