Mission
THE PURPOSE OF THE ORGANIZATION IS TO RAISE FUNDS TO PROVIDE A LIVING ENVIRONMENT FOR ADULTS WITH DEVELOPMENTAL DISABILITIES.
Public Charity
MAE HOUSE C/O LIZABETH SLATER
MAE HOUSE C/O LIZABETH SLATER is a Public Charity headquartered in COSTA MESA, CA. Financial data from the 2025 filing: $888K revenue, $482K expenses, $1.3M total assets. 11 publicly reported grants to this organization, totaling roughly $139K, appear in IRS filings.
EIN: 475501988
COSTA MESA, CA
Housing Development, Construction & Management
NTEE: L20
Latest filing: 2025
Total Revenue$888K
Total Expenses$482K
Total Assets$1.3M
Grant Records11
Funding Total$139K
Filing Years2021–2025
Sample Grants Received
GENERAL SUPPORT
$32,000
HUMAN SERVICES
$7,500
For grant recipient's exempt purposes
$7,000
EDUCATION
$8,000
For grant recipient's exempt purposes
$5,750
Showing up to 5 of 11 total records — full history available with membership.
Officers & Directors
DIRECTOR
Barbara Heffernan
CHAIRMAN OF THE BOARD/PARE
Ed Slater
FOUNDING BOARD MEMBER
Jon Marchiorlatti
FOUNDER/CHAIRMAN-FINANCE C
Lizabeth Slater
DIRECTOR
Sam Pavoni
DIRECTOR
Susan Stiefel
Officer compensation and complete director data available with membership.
Top Grant Purposes
Financial Trends
| Year | Revenue | Expenses | Assets |
|---|---|---|---|
| 2025 | $888K | $482K | $1.3M |
| 2024 | $701K | $411K | $922K |
| 2023 | $567K | $408K | $645K |
| 2022 | $532K | $343K | $487K |
| 2021 | $457K | $320K | $320K |
Between 2021 and 2025, reported annual revenue grew from $457K to $888K (+94%), with total assets most recently reported at $1.3M.
Interactive year-over-year charts and full filing details available with membership.