Audit firm intelligence

DAUBY O'CONNOR & ZALESKI, LLC: Nonprofit Single Audits

FAC reports DAUBY O'CONNOR & ZALESKI, LLC as primary auditor on 417 single audit reports of 215 California nonprofits in audit years 2024–2025; the most recent observed audit year is 2025. Counts come from public Federal Audit Clearinghouse filings as of 2026-10-30.

Data as of Oct 30, 2026 · Source: Federal Audit Clearinghouse (public data)

Dauby O'Connor & Zaleski, LLC

Observed 2016–20264,931 single audit reports, 2016–2026

Named as auditor on nonprofit single audit reports filed with the Federal Audit Clearinghouse. Counts below are what those filings show — not a client list, and not a statement about any engagement in place now.

Carmel, IN

See what AuditRadar shows for Dauby O'Connor & Zaleski, LLC See California accounts Compare California firms

215Nonprofit auditees (California, 2024–2025)
24States observed
5Federal programs
2025Most recent audit year

Federal program mix

Share of this firm’s nonprofit auditees by federal program (ALN)

All programs
14.157 SUPPORTIVE HOUSING FOR THE ELDERLY: 13214.195 PROJECT-BASED RENTAL ASSISTANCE (PBRA: 9814.155 MORTGAGE INSURANCE FOR THE PURCHASE O: 5414.239 HOME INVESTMENT PARTNERSHIPS PROGRAM: 2714.181 SUPPORTIVE HOUSING FOR PERSONS WITH D: 9215auditees
  • 14.157 SUPPORTIVE HOUSING FOR THE ELDERLY41%
  • 14.195 PROJECT-BASED RENTAL ASSISTANCE (PBRA31%
  • 14.155 MORTGAGE INSURANCE FOR THE PURCHASE O17%
  • 14.239 HOME INVESTMENT PARTNERSHIPS PROGRAM8%
  • 14.181 SUPPORTIVE HOUSING FOR PERSONS WITH D3%

Geographic coverage

Nonprofit auditees by state, audit years 2024–2025

State directory
Alaska: none observedAKMaine: none observedMEVermont: none observedVTNew Hampshire: none observedNHWashington: 3WAIdaho: 1IDMontana: none observedMTNorth Dakota: none observedNDMinnesota: none observedMNIllinois: 7ILWisconsin: none observedWIMichigan: 61MINew York: none observedNYRhode Island: none observedRIMassachusetts: none observedMAOregon: 2ORNevada: none observedNVWyoming: 2WYSouth Dakota: none observedSDIowa: 8IAIndiana: 33INOhio: 37OHPennsylvania: 6PANew Jersey: 4NJConnecticut: 1CTCalifornia: 215CAUtah: 1UTColorado: 4CONebraska: 10NEMissouri: 5MOKentucky: none observedKYWest Virginia: none observedWVVirginia: none observedVAMaryland: 3MDDelaware: none observedDEArizona: 6AZNew Mexico: none observedNMKansas: 8KSArkansas: none observedARTennessee: 17TNNorth Carolina: 28NCSouth Carolina: 44SCDistrict of Columbia: none observedDCOklahoma: none observedOKLouisiana: none observedLAMississippi: none observedMSAlabama: none observedALGeorgia: none observedGAHawaii: none observedHITexas: 5TXFlorida: none observedFLPR: none observedPR
  • none
  • low
  • high

510 nonprofit auditees observed in audit years 2024–2025 across 24 jurisdictions.

Filings by audit year

Nonprofit auditees on reports filed with the FAC

Full table
02505002016: 1722017: 1712018: 1692019: 1762020: 1932021: 1892022: 2082023: 2112024: 2132025: 2042026: 4020162026

40 in 2026, from 172 in 2016. A year is counted once the report reaches the Clearinghouse, so the most recent year keeps rising for several months.

Movement in and out

Organizations that changed the firm they name, audit years 2024 and 2025

How we count this
  • Named this firm after another5
  • Named another after this firm5
  • Net0

Out of 17,125 organizations with a comparable pair of filings in that window.

Auditor changes involving this firm

Counted from filed reports, both directions

5in
10total
5out

These are the firms named on reports for periods that have closed, not a statement about any engagement in place now.

Where to look next

Three published views built from the same filings

Nonprofit auditees, most recently observed

The 8 largest by federal expenditures, of those whose latest filed report names this firm

All California firms

Nonprofits whose latest report names a different firm

Their prior report named this firm; audit years 2024 and 2025 (renamed or combined firms not counted)

Auditor changes
Nonprofits whose latest report names a different firm (renamed or combined firms not counted)
OrganizationStateMost recently observed auditorAudit yearReport
Ahepa 371 Ii, INC.MIManer Costerisan20252025-06-GSAFAC-0000392605
Cinnaire Solutions CorporationMIManercosterisan20252025-12-GSAFAC-0000418231
Northwest Real Estate Capital CorporationIDNovogradac & Company LLP20252025-12-GSAFAC-0000400360
Plymouth Housing GroupWAClark Nuber, PS20252025-12-GSAFAC-0000428782
Westminster Services For The Elderly, INC.LAClark Schaefer Hackett20252025-12-GSAFAC-0000416454

Which federal programs appear most often?

Auditees per program, all audit years

Federal programs
ALNProgramAuditees
14.157Supportive Housing For The Elderly132
14.195Project-Based Rental Assistance (Pbra)98
14.155Mortgage Insurance For The Purchase Or Refinancing of Existing Multifamily Housing Projects54
14.239Home Investment Partnerships Program27
14.181Supportive Housing For Persons With Disabilities9

Where these nonprofits are

Observed nonprofit auditees per state, and the directory for each

States observed
StateNonprofit auditeesShare
California21542%
Michigan6112%
South Carolina449%
Ohio377%
Indiana336%
North Carolina285%
Tennessee173%
Nebraska102%
Iowa82%
Kansas82%

How many nonprofit single audits has Dauby O'Connor & Zaleski, LLC filed?

417 single audit reports of 215 California nonprofits in audit years 2024–2025. Across all audit years on record (2016–2026): 4,931 single audit reports of 699 nonprofits. The table is every audit year on record.

Filings by audit year
Audit yearNonprofit auditees
2016172
2017171
2018169
2019176
2020193
2021189
2022208
2023211
2024213
2025204
202640

How often do the same nonprofits name this firm again?

470 of the 480 nonprofits that named this firm on a 2025 single audit also named it on their 2024 report. The rest either named a different firm or have no 2024 report on file.

What recent public changes involve this firm?

5 organizations named Dauby O'Connor & Zaleski, LLC on their latest filing after naming a different firm on the prior one, audit years 2024 and 2025. 5 named a different firm after naming Dauby O'Connor & Zaleski, LLC. Out of 17,125 organizations with a comparable pair of filings in that window. A renamed firm, a firm that appears to have combined into another, and the same auditor contact e-mail on both reports are not counted as a change. These are the firms named on filed reports for periods that have closed, not a statement about any engagement in place now.

What size are the audited organizations?

Size bands
Federal expenditure bandAuditees
$3M–$10M115
$1M–$3M72
$10M–$50M17
Under $1M11

Which cities do these nonprofits sit in?

Counts show single audit reports filed in the Federal Audit Clearinghouse where the firm is listed as auditor. They are not a client list and do not describe any current engagement.

Map the firm's observed nonprofit Single Audit footprint.

Find whitespace against Dauby O'Connor & Zaleski, LLCSee California audit opportunities