Public Charity

MAINSTAY LIFE SERVICES

MAINSTAY LIFE SERVICES is a nonprofit organization categorized as Public Charity based in PITTSBURGH, PA. Its most recent IRS filing (2025) reports revenue of $35.7M, expenses of $32.0M, total assets of $34.1M. Imperigo tracks 8 reported grant relationships connected to this organization totaling approximately $64K.

EIN: 251215557 PITTSBURGH, PA Housing Development, Construction & Management NTEE: L20 Latest filing: 2025
Total Revenue$35.7M
Total Expenses$32.0M
Total Assets$34.1M
Grant Records8
Funding Total$64K
Filing Years2021–2025

Mission

INDIVIDUALS WITH DEVELOPMENTAL DISABILITIES WILL LIVE WITHIN A COMMUNITY THAT SUSTAINS THEM AND BENEFITS FROM THEIR PARTICIPATION. MAINSTAY LIFE SERVICES WILL BE REGARDED AS THE REGION'S PROVIDER OF CHOICE FOR INDIVIDUALS AND FAMILIES SEEKING SERVICES, AND AS THE EMPLOYER OF CHOICE FOR QUALIFIED AND COMMITTED PROFESSIONALS.

Where $100 goes at Mainstay Life Services

How Mainstay Life Services divides every $100 it spends, from its own Form 990 filings, averaged across 9 years.

$81 Programs the work itself
$17 Management running the organization
$2 Fundraising raising the next dollar

Inside the $81 for programs

$81
For over 50 years, Mainstay Life Services (mainstay) (and its predecessor organizations horizon homes and idlewood center) have supported people with developmental disabilities (dd)
All program spending · Reported in the filing: 300 people; 42 homes; 110 people
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Source: Form 990 filings with the IRS, latest fiscal year 2025. Shares are from the organization's reported expenses. Data by Imperigo; not affiliated with the IRS.

Officers & Directors

DIRECTOR Bryan Finney
CPO (THROUGH AUGUST 2024) Christina Graves
DIRECTOR David Riehl
ASSOCIATE DIRECTOR OF CLINICAL Dennis Zellers
CAEO Dorothy Gordon
DIRECTOR Dr Mahmood Usman

Officer compensation and complete director data available with membership.

Top Grant Purposes

General Support
$43,984 6 grants
Housing & Homelessness
$20,000 1 grant

Financial Trends

Year Revenue Expenses Assets
2025 $35.7M $32.0M $34.1M
2024 $29.2M $27.8M $29.0M
2023 $28.0M $25.9M $25.4M
2022 $27.1M $23.7M $23.1M
2021 $28.1M $22.7M $22.1M

Between 2021 and 2025, reported annual revenue grew from $28.1M to $35.7M (+27%), with total assets most recently reported at $34.1M.

Interactive year-over-year charts and full filing details available with membership.

See the full picture for MAINSTAY LIFE SERVICES

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