Nonprofit · EIN 23-7380622
OAK LEYDEN DEVELOPMENTAL SERVICES
Tax-exempt · OAK PARK, IL 60302
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| June 30, 2025 | 990 | $10,467,620 | $9,810,694 | $656,926 | $6,686,270 | $2,068,714 | $4,617,556 |
| June 30, 2024 | 990 | $9,387,894 | $8,649,562 | $738,332 | $5,198,573 | $1,237,943 | $3,960,630 |
| June 30, 2023 | 990 | $7,497,645 | $7,305,359 | $192,286 | $4,785,985 | $1,563,687 | $3,222,298 |
Financial details: 990 for the year ended June 30, 2025
Revenue
- Contributions, gifts and grants
- $894,713
- of which government grants
- $426,400
- Program service revenue
- $9,099,012
- Investment income
- $478,110
- Net gain from sales of assets
- $476,599
- Net income from fundraising events
- -$8,988
- Other revenue
- -$4,215
Expenses
- Grants and similar amounts paid
- $100,000
- Compensation of officers, directors and key employees
- $153,777
- Other salaries and wages
- $5,775,394
- Salaries, compensation and benefits (total)
- $7,129,947
- Professional fundraising fees
- $0
- Legal fees
- $168
- Accounting fees
- $34,910
- Occupancy
- $207,747
- Travel
- $16,719
- Depreciation
- $165,437
- Program services (functional)
- $8,188,633
- Management and general (functional)
- $1,402,572
- Fundraising (functional)
- $219,489
Balance sheet and other
- Total assets, start of year
- $5,198,573
- Total assets, end of year
- $6,686,270
- Total liabilities, end of year
- $2,068,714
- Net assets, end of year
- $4,617,556
- Land, buildings and equipment
- $3,078,297
- Net assets without donor restrictions
- $4,470,056
- Net assets with donor restrictions
- $147,500
- Gross receipts
- $10,589,979
- Employees
- 163
- Volunteers
- 30
- Year formed
- 1975
- State of legal domicile
- IL
From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.
Officers, directors and key employees
As listed on the 990 for the year ended June 30, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| RAYMOND MCMAHON | CEO Officer | 40 | $153,776 |
| SANDRA VANOSKEY | SENIOR DIRECTOR OF ADULT SERVICES Highest-paid employee | 40 | $101,598 |
| DENO ANDREWS | PRESIDENT Trustee or director, Officer | 2 | $0 |
| CRAIG VOLPE | VICE PRESIDENT Trustee or director, Officer | 2 | $0 |
| CATHY MCCLENDON | TREASURER Trustee or director, Officer | 2 | $0 |
| LAURA GERSTNER | SECRETARY Trustee or director, Officer | 2 | $0 |
| CORY WESLEY | DIRECTOR Trustee or director | 1 | $0 |
| HOWIE JAPLON | DIRECTOR Trustee or director | 1 | $0 |
| TOM JACOBS | DIRECTOR Trustee or director | 1 | $0 |
| MICHAEL WEBER | DIRECTOR Trustee or director | 1 | $0 |
990 for the year ended June 30, 2024: 9 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| RAYMOND MCMAHON | CEO Officer | 40 | $128,854 |
| DENO ANDREWS | PRESIDENT Trustee or director, Officer | 2 | $0 |
| CRAIG VOLPE | VICE PRESIDENT Trustee or director, Officer | 2 | $0 |
| CATHY MCCLENDON | TREASURER Trustee or director, Officer | 2 | $0 |
| LAURA GERSTNER | SECRETARY Trustee or director, Officer | 2 | $0 |
| WILLIAM HOEKWATER | DIRECTOR Trustee or director | 1 | $0 |
| JENNIFER DOYLE | DIRECTOR Trustee or director | 1 | $0 |
| CORY WESLEY | DIRECTOR Trustee or director | 1 | $0 |
| PETER VOLPE | DIRECTOR Trustee or director | 1 | $0 |
990 for the year ended June 30, 2023: 9 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| RAYMOND MCMAHON | CEO Officer | 40 | $128,451 |
| DENO ANDREWS | PRESIDENT Trustee or director, Officer | 2 | $0 |
| CRAIG VOLPE | VICE PRESIDENT Trustee or director, Officer | 2 | $0 |
| CATHY MCCLENDON | TREASURER Trustee or director, Officer | 2 | $0 |
| LAURA GERSTNER | SECRETARY Trustee or director, Officer | 2 | $0 |
| WILLIAM HOEKWATER | DIRECTOR Trustee or director | 1 | $0 |
| JENNIFER DOYLE | DIRECTOR Trustee or director | 1 | $0 |
| CORY WESLEY | DIRECTOR Trustee or director | 1 | $0 |
| PETER VOLPE | DIRECTOR Trustee or director | 1 | $0 |
Address and contacts
- Address (IRS master file)
- 411 CHICAGO AVE, OAK PARK, IL 60302-2233
- Principal officer (990 for 2024)
- RJ MCMAHON, 411 W CHICAGO AVENUE, OAK PARK, IL 603022233
- Signed the 990
- RJ MCMAHON, CHIEF EXECUTIVE OFFICER
- Phone
- (708) 524-1050
- Website
- WWW.OAK-LEYDEN.ORG
- Return prepared by
- SASSETTI LLC
Mission
TO HELP PEOPLE WITH DEVELOPMENTAL DISABILITIES MEET LIFE'S CHALLENGES AND REACH THEIR HIGHEST POTENTIAL.
Program accomplishments
- THE COMMUNITY LIVING SERVICES PROGRAM OPERATES 12 RESIDENTIAL COMMUNITY HOMES FOR RESIDENTS WITH INTELLECTUAL AND DEVELOPMENTAL DISABILITIES. THE HOMES, KNOWN AS COMMUNITY INTEGRATED LIVING ARRANGEMENTS (OR CILAS), ALLOW ADULT PARTICIPANTS TO ENJOY COMFORT, SAFETY, AND COMMUNITY IN CHICAGO'S NEAR-WEST SUBURBS.RESIDENTS ARE PROVIDED 24-HOUR SUPPORT AND CARE THAT PROMOTE PERSONAL INDEPENDENCE AND PHYSICAL WELL-BEING. EACH OF THESE ACCESSIBLE, FAMILY-LIKE SPACES HOUSE AN AVERAGE OF FOUR RESIDENTS. PARTICIPANTS ARE ABLE TO GROW AND LIVE AS INDEPENDENTLY AS POSSIBLE, PARTICIPATING IN COMMUNITIES AS THEIR NEIGHBORS DO.IN ADDITION, OAK-LEYDEN OFFERS INTERMITTENT SUPPORT TO ADULTS WITH DEVELOPMENTAL DISABILITIES WHO LIVE ON THEIR OWN IN THE COMMUNITY. OAK-LEYDEN STAFF HELP INTERMITTENT CILA PARTICIPANTS MAINTAIN THEIR PERSONAL INDEPENDENCE BY PROVIDING THE SUPPORT THEY NEED.Expenses $5,598,019 · grants $100,000 · revenue $7,112,262
- OUR LIFELONG LEARNING CENTERS PROVIDE DAILY STRUCTURED PROGRAMMING TAILORED TO MEET THE COGNITVE, SOCIAL, AND EMOTIONAL NEEDS OF THE 84 PARTICIPANTS ENROLLED IN AT OUR OAK PARK LOCATION AND OUR ELMWOOD PARK PROGRAM. OUR PROGRAMS FOCUS ON THE DEVELOPING SOCIAL SKILLS AND INTERPERSONAL RELATIONSHIPS. WE PROVIDE PARTICIPANTS THE OPPORTUNITY TO ENGAGE IN ACTIVITIES AIMED AT INCREASING THEIR INVOLVEMENT IN THEIR COMMUNITY WHILE LEARNING LIFE SKILLS. ACTIVITIES AT BOTH SITES INCLUDE ADVOCACY, ARTS AND CRAFTS, MUSIC AND CHOIR, PROBLEM SOLVING, HEALTH AND WELLNESS, COMMUNITY SAFETY, FIELD TRIPS AND NUMEROUS CELEBRATIONS. THE OL CHOIR PERFORMS IN SEVERAL EVENTS IN THE COMMUNITY.Expenses $1,600,599 · revenue $1,273,971
- OAK LEYDEN'S CHILDREN'S SERVICES PROGRAMMING TAKES A UNIQUE, MULTI-DISCIPLINARY, TEAM APPROACH TO FACILITATE THE HOLISTIC DEVELOPMENT OF CHILDREN WITH DEVELOPMENTAL DISABILITIES AND DELAYS. OAK LEYDEN THERAPISTS EVALUATE CHILDREN IN ALL AREAS OF DEVELOPMENT AND FACILITATE INDIVIDUALIZED THERAPY THAT FITS THE UNIQUE NEEDS, CHALLENGES, AND CIRCUMSTANCES OF YOUR CHILD. WE ARE FAMILY-CENTRIC, TYPICALLY PROVIDING SERVICES IN A CHILD'S NATURAL ENVIRONMENT AND WORKING WITH CAREGIVERS TO TAKE ADVANTAGE OF EVERYDAY LEARNING OPPORTUNITIES. OAK LEYDEN IS THE ONLY NONPROFIT AGENCY IN THE AREA PROVIDING THERAPY TO CHILDREN ALL OF THESE DISCIPLINES: DEVELOPMENTAL, OCCUPATIONAL, PHYSICAL, BEHAVIORAL, AND SPEECH/ LANGUAGE.Expenses $813,358 · revenue $639,780
- OTHER PROGRAM SERVICES INCLUDE THE SUPPORTED EMPLOYMENT PROGRAM AND CLINIC.Expenses $176,657 · revenue $72,999
What it must file and when
IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in June, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | June 30, 2026 | November 16, 2026 | Not due yet |
| 2024 | June 30, 2025 | November 17, 2025 | 990 on file |
| 2023 | June 30, 2024 | November 15, 2024 | 990 on file |
IRS record
- EIN
- 23-7380622
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Publicly supported organization (170(b)(1)(A)(vi))
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 1974
- Accounting year ends
- June
- Files
- Form 990 or 990-EZ
- Assets (IRS master file)
- $6,686,270
- Income (IRS master file)
- $10,589,979
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | June 2025 | $10,467,620 | $9,810,694 | $6,686,270 | IRS |
| 990 | June 2024 | $9,387,894 | $8,649,562 | $5,198,573 | XML |
| 990 | June 2023 | $7,497,645 | $7,305,359 | $4,785,985 | XML |
| 990-T | June 2023 | – | – | – | IRS |
| 990 | June 2022 | $6,851,792 | $6,624,232 | $4,905,853 | IRS |
| 990-T | June 2022 | – | – | – | IRS |
| 990 | June 2021 | – | – | – | IRS |
| 990-T | June 2021 | – | – | – | IRS |
| 990 | June 2020 | – | – | – | IRS |
| 990 | June 2019 | – | – | – | IRS |
990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 23-7380622).
Questions about OAK LEYDEN DEVELOPMENTAL SERVICES
- What is the EIN of OAK LEYDEN DEVELOPMENTAL SERVICES?
- The employer identification number (EIN) of OAK LEYDEN DEVELOPMENTAL SERVICES is 23-7380622.
- Is OAK LEYDEN DEVELOPMENTAL SERVICES tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1974.
- Are donations to OAK LEYDEN DEVELOPMENTAL SERVICES tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does OAK LEYDEN DEVELOPMENTAL SERVICES file?
- Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
- When is the next return of OAK LEYDEN DEVELOPMENTAL SERVICES due?
- The return for tax year 2025 (the year ending June 30, 2026) is due November 16, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did OAK LEYDEN DEVELOPMENTAL SERVICES last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended June 2025.
- Who is the principal officer of OAK LEYDEN DEVELOPMENTAL SERVICES?
- The 990 for the year ended June 30, 2025 names RJ MCMAHON.
- Who are the officers and directors of OAK LEYDEN DEVELOPMENTAL SERVICES?
- The 990 for the year ended June 30, 2025 lists 10 people; 2 received compensation from the organization, the highest $153,776 (RAYMOND MCMAHON, CEO).
- How much revenue does OAK LEYDEN DEVELOPMENTAL SERVICES have?
- On its 990 for the year ended June 30, 2025 it reported revenue of $10,467,620, expenses of $9,810,694 and total assets of $6,686,270 at year end.
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