EntityWire/Illinois business entity search →/OAK LEYDEN DEVELOPMENTAL SERVICES
Tax-exempt organization
OAK LEYDEN DEVELOPMENTAL SERVICES
The Employer Identification Number (EIN) for OAK LEYDEN DEVELOPMENTAL SERVICES is 23-7380622.
At a glance
- EIN
- 23-7380622 · 237380622
- Legal name
- OAK LEYDEN DEVELOPMENTAL SERVICES
- Address on file
- 411 CHICAGO AVE, OAK PARK, IL 60302-2233
- Records show
- Tax-exempt organization; employer with a benefit plan
- Latest record
- 2026-09
Benefit plans
DOL Form 5500-SF filings (EFAST2) · records as of 2026-04-14
- Benefit plan 1, 2024 filing
- OAK-LEYDEN DEVELOPMENTAL SERVICES, INC. 401(K) PROFIT SHARING PLAN
- Source: DOL 5500-SF · as of 2026-04-14
- Participants (start of year)
- 126
- Source: DOL 5500-SF · as of 2026-04-14
- Plan assets (end of year)
- $1,007,334
- Source: DOL 5500-SF · as of 2026-04-14
- Plan features
- Profit-sharing; ERISA 404(c) plan; Participant-directed; 401(k) feature; Automatic enrollment; Pre-approved plan
- Source: DOL 5500-SF · as of 2026-04-14
- Plan type
- Single-employer plan
- Source: DOL 5500-SF · as of 2026-04-14
- Business code (NAICS)
- 624100
- Source: DOL 5500-SF · as of 2026-04-14
- Benefit plan 1, 2023 filing
- OAK-LEYDEN DEVELOPMENTAL SERVICES, INC. 401(K) PROFIT SHARING PLAN
- Source: DOL 5500-SF · as of 2025-04-10
IRS exempt organization record
IRS Exempt Organizations Business Master File · records as of 2026-09
- Tax-exempt status
- 501(c)(3) charitable, religious, educational
- Source: IRS · as of 2026-09
- Deductibility
- Contributions are deductible
- Source: IRS · as of 2026-09
- Foundation classification
- Publicly supported charity (170(b)(1)(A)(vi))
- Source: IRS · as of 2026-09
- IRS ruling date
- 1974-10
- Source: IRS · as of 2026-09
- Latest tax period on file
- 2025-06
- Source: IRS · as of 2026-09
- Revenue (latest 990)
- $10,467,620
- Source: IRS · as of 2026-09
- Assets (latest 990)
- $6,686,270
- Source: IRS · as of 2026-09
What this record is
Public filings that carry this EIN (DOL Form 5500 filings (EFAST2), DOL Form 5500-SF filings (EFAST2) and IRS Exempt Organizations Business Master File), shown as filed. Nothing is scraped from the IRS, and a public-record match is not IRS TIN validation.
What it is not
Registry status, formation date, and registered agent come from the Illinois Secretary of State, Department of Business Services; see the Illinois business entity search.
If something is wrong
A name, address, or classification here is what the source published. To correct the source, file with it; to have this page removed, see corrections and removal.
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