Zief Family Foundation Inc

Private foundation · Grantmaker San Mateo, CA EIN: 94-1676472

Zief Family Foundation Inc is a private foundation, based in San Mateo, CA. IRS filing data is available from 2021 through 2025. As of 2025, the organization holds $12.1M in total assets. In 2025, it awarded 1 grant totaling $230K. Net investment income was $730K.

Zief Family Foundation Inc at a glance

In short: Zief Family Foundation Inc gave $230K across 1 grant in 2025 (avg $230K), mostly in California. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$230,000
-33.3% vs 2024
Grants made (2025)
1
+0.0% vs 2024
Average grant
$230,000
-33.3% vs 2024
Median grant
$230,000
Total assets
$12,132,229
+3.4% vs 2024
Primary geography
California (100% of itemized 2025 grant dollars)
Latest 990 filing
Form 990-PF, 2025 View filing

Data from IRS Form 990-PF, 2025; updated September 2026.

Who Zief Family Foundation Inc funds

How this funder distributes its grants

Top Recipients

Top recipient in 2025

Family Housing and Adult Resources Inc: $230KFamily Housing and AdultResources Inc$230K

The largest 2025 recipient was Family Housing and Adult Resources Inc ($230K).

Grant Size Distribution

5 grants across all recorded years

<$50K$50–100K1$100–250K4$250–500K$500K–1M$1–5M$5M+

The most common grant size was in the $250–500K range: 4 grants of 5 (80%).

Geographic Focus

Where this funder awards grants

Grant Distribution by State

1state

Share of the 2025 grant dollars on its one itemized grant.

States

Cities

San Mateo

How Zief Family Foundation Inc gives

  • Giving fell 34% from 2022 to 2025. Method

From the foundation's IRS Form 990-PF filings. Methodology.

Giving History

Giving Over Time

Total grant dollars and number of grants per year

$0$100K$200K$300K$400K1 grant2021 1 grant2022 1 grant2023 1 grant2024 1 grant2025

From 2021 to 2025, annual grant giving ranged from $230K (2025) to $365K (2021). In 2025 it made 1 grant totaling $230K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Family Housing and Adult Resources Inc San Mateo, CATo provide operational funds and improvements to buildings, and to purchase furniture and appliances for housing of the mentally handicapped.$230,000
Your AI grants department

Ready to take the next step with Zief Family Foundation Inc?

Fully replaces Grant database subscriptions Instrumentl · Foundation Directory · GrantStation & similar

Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsQualifying DistributionsNet Investment Income
2025$12,132,229$1,251,559$1,030,414$230,0001$413,196$730,090
2024$11,728,525$1,248,948$940,969$345,0001$409,118$734,220
2023$11,685,693$1,487,843$865,993$335,5001$403,829$1,037,604
2022$11,063,843$1,221,209$771,796$350,5001$417,510$866,923
2021$10,614,430$1,211,987$838,754$365,0001—$781,687

Leadership & Key People

Officers and directors from IRS filings

Zief Family Foundation Inc is led by Curson Dave, President on every filing since 2021; none of the 4 officers listed in 2025 report compensation.

Officers on the 2025 filing

  • Curson Dave

    President

    On filings since 2021

    5 hrs/week

    No compensation reported

  • Gelzayd Reinart

    Director

    On filings since 2021

    0.5 hrs/week

    No compensation reported

  • Kleinman Joann

    Chief Financial Officer

    On filings since 2021

    0.5 hrs/week

    No compensation reported

  • Weinstein Allison

    Secretary

    On filings since 2021

    0.5 hrs/week

    No compensation reported

Data from IRS Form 990 filings, 2021–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.

Frequently asked questions about Zief Family Foundation Inc

How much does Zief Family Foundation Inc give each year?

Zief Family Foundation Inc gave $230K across 1 grant in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $345K across 1 grant.

How large is Zief Family Foundation Inc?

Zief Family Foundation Inc reported $12.1M in total assets on its 2025 IRS Form 990-PF. Its revenue that year was $1.3M.

Where does Zief Family Foundation Inc operate?

Zief Family Foundation Inc has awarded grants in California.

What is Zief Family Foundation Inc's EIN?

Zief Family Foundation Inc's EIN (Employer Identification Number) is 94-1676472. IRS Form 990 filing data is available on this page for 2021–2025.

Data last updated September 2026. Sourced from IRS Form 990-PF filings.

Data update history

(1)

When this profile's IRS filing data changed on Grantable

  1. IRS filings on file for fiscal years 2021–2025

Explore Open Grants

Browse active grant opportunities in Zief Family Foundation Inc's focus areas in our free grants database

Similar Funders

Funders with grantees in common, and similar funders in California

The James Irvine Foundation

San Francisco, CA

The James Irvine Foundation funds initiatives that help low-income Californians advance economically, including career opportunities, worker rights, inclusive local economies, and related policies and housing affordability. Its 2024 grants ranged from $150 to $11.15 million, with a median of $10,000; its focus is California. It does not accept unsolicited funding requests or inquiries and gives only to preselected organizations.

Philanthropy, Voluntarism & Grantmaking

Assets

$3.4B

Grants

654

Total Given

$154.1M

Conrad N Hilton Foundation

Westlake Village, CA

The Conrad N. Hilton Foundation funds nonprofits working to improve lives and alleviate poverty, with initiatives including early childhood development, homelessness, refugees, safe water, and support for foster and opportunity youth. Its work is global, and its 2024 grants had a median award of $76,000. It generally does not accept unsolicited requests, except through its Good Neighbor Program for eligible local nonprofits and Title 1 schools.

Philanthropy, Voluntarism & Grantmaking

Assets

$7.4B

Grants

1,339

Total Given

$287.7M

Silicon Valley Community Foundation

Mountain View, CA

Silicon Valley Community Foundation funds work in areas such as housing, economic security, education, health, the environment, arts and culture, and civic engagement, with Community Action Grants supporting local, community-led organizations in San Mateo and Santa Clara counties. Its 2024 grants had a median of $51,716, though amounts varied widely; applications depend on the program, and SVCF states that it does not accept unsolicited proposals for advised funds.

Philanthropy, Voluntarism & Grantmaking

Assets

$12.3B

Grants

3,576

Total Given

$3.2B

California Community Foundation

Los Angeles, CA

The California Community Foundation supports nonprofits through discretionary and donor-directed grants, with discretionary priorities including education, health, housing and immigration, alongside other areas such as arts, civic engagement and economic opportunity. Its 2025 grants had a median of $50,000, and its work is focused on Los Angeles County; prospective discretionary applicants are asked to contact the relevant program officer before submitting a letter of intent.

Assets

$2.3B

Grants

2,174

Total Given

$326.6M

The William & Flora Hewlett Foundation

Menlo Park, CA

The William & Flora Hewlett Foundation funds education, climate and conservation, the arts, democracy, gender equity, racial justice, and efforts to strengthen nonprofits and philanthropy, with work spanning the San Francisco Bay Area, the U.S. West, and locations including East and West Africa and Mexico. Its 2024 grants had a median award of $150,000, though amounts varied widely. It generally does not accept unsolicited requests, but sometimes invites proposals through open processes.

Philanthropy, Voluntarism & Grantmaking

Assets

$14.2B

Grants

2,001

Total Given

$625.0M

Marin Community Foundation

Novato, CA

Marin Community Foundation funds work in affordable housing and homelessness, community resilience and power, as well as social services, education, arts and conservation, with a focus on marginalized Marin County residents and some broader U.S. and international grantmaking. Its 2025 grants had a median of $25,000, though amounts varied widely. The profile does not state whether it accepts unsolicited requests.

Assets

$1.3B

Grants

1,573

Total Given

$186.1M

More similar funders

More Funders in California

The filing figures on this page are open data under CC BY 4.0. About GrantGraph Open

Figures come from Zief Family Foundation Inc's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.

Zief Family Foundation Inc down — hundreds of funders to go?

Want AI to do this for you?