San Francisco, CA

ON LOK HOUSE INC

EIN 94-2326678

Housing, Food & Basic Needs Shelter & Homelessness Services Seniors Low-income

Mission

Provide safe, stable, affordable housing for frail, low-income elderly persons in San Francisco.

IRS-recognized 501(c)(3) public charity Contributions are tax-deductible

Claim this page Visit onlok.org/about/housing

About ON LOK HOUSE INC

On Lok House Inc. is a San Francisco nonprofit that operates supportive, HUD-subsidized housing for frail, low‑income older adults. Its portfolio includes the Marie‑Louise Ansak On Lok House (1441 Powell Street), a 54-unit Section 202 supportive housing building reserved for elderly residents. On Lok House is part of the On Lok family of organizations that delivers housing, day services, and health supports for older adults. The organization remains active as a property manager and program partner, reporting continued operations and financial activity in recent Form 990 filings (most recently filed through 2024) and participating in capital and facility projects to maintain affordable senior housing in San Francisco.

Notable achievements

HUD Section 202 supportive housing operator

Operates Marie‑Louise Ansak On Lok House (1441 Powell Street), a 54‑unit HUD Section 202 building serving frail, low‑income seniors with rental assistance and on‑site supportive services.

Major building rehabilitation and modernization

Completed comprehensive renovations to On Lok House (multi‑million‑dollar capital improvements) to upgrade infrastructure, accessibility, and energy systems and preserve long‑term affordable housing for older adults.

Sustained financial operation (recent filings)

Continued to report program activity and financial operations in recent IRS filings (including 2024 reporting), demonstrating ongoing management of assets and service delivery for resident seniors.

At a glance

Total assets: $6.1M
Annual revenue: $1.6M
Tax status: 501(c)(3)Public charity
EIN: 94-2326678
Location: San Francisco, CA
Website: onlok.org/about/housing
On Mahalo since: April 2026

Financial figures from the IRS Business Master File, the IRS’s registry of tax-exempt organizations.

Recognition

Listed and profiled by national nonprofit data services (ProPublica/Nonprofit Explorer and similar databases) and monitored by charity evaluators.

Rated by Charity Navigator (three‑star / solid accountability & finance indicators) on its charity profile.

Recognized as part of the On Lok family, a pioneering network associated with the development of the PACE model and long‑standing senior services in the Bay Area.

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