Rose Marie Piper Foundation

Private foundation · Grantmaker Sonoma, CA EIN: 20-3389111

Rose Marie Piper Foundation is a private foundation, based in Sonoma, CA. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $2.0M in total assets. In 2025, it awarded 6 grants totaling $135K. Net investment income was $105K.

Rose Marie Piper Foundation at a glance

In short: Rose Marie Piper Foundation gave $135K across 6 grants in 2025 (avg $23K), mostly in California. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$135,000
-4.3% vs 2024
Grants made (2025)
6
+0.0% vs 2024
Average grant
$22,500
-4.3% vs 2024
Median grant
$19,000
Total assets
$2,020,589
+5.3% 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 Rose Marie Piper Foundation funds

How this funder distributes its grants

Top Recipients

Top 6 recipients in 2025

Sonoma Community Center: $41KSonoma Community Center$41KSonoma Stack Softball: $30KSonoma Stack Softball$30KBoys and Girls Club of Sonoma Valle: $20KBoys and Girls Club of SonomaValle$20KArt Escape: $18KArt Escape$18KSonoma Conservatory of Dance: $16KSonoma Conservatory of Dance$16KPets Lifeline: $10KPets Lifeline$10K

The largest 2025 recipient was Sonoma Community Center ($41K). Together the top 6 received $135K.

Grant Size Distribution

21 grants across all recorded years

21<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 21 grants of 21 (100%).

Geographic Focus

Where this funder awards grants

Grant Distribution by State

1state

Share of 2025 grant dollars across all 6 itemized grants.

States

Cities

SonomaVineburg

How Rose Marie Piper Foundation gives

  • Giving held roughly steady from 2022 to 2025 (−13%). Method
  • In 2025 it paid out 143% of its IRS minimum distribution (the 5% rule). 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$50K$100K$150K$200K8 grants2020 1 grant2021 6 grants2022 2 grants2023 6 grants2024 6 grants2025

From 2020 to 2025, annual grant giving ranged from $16K (2021) to $155K (2022). In 2025 it made 6 grants totaling $135K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Sonoma Community Center Sonoma, CAYouth Activities$41,000
Sonoma Stack Softball Sonoma, CAYouth Activities$30,000
Boys and Girls Club of Sonoma Valle Sonoma, CAYouth Activities$20,000
Art Escape Sonoma, CAYouth Activities$18,000
Sonoma Conservatory of Dance Sonoma, CAYouth Activities$16,000
Pets Lifeline Sonoma, CAYouth Activities$10,000
Your AI grants department

Ready to take the next step with Rose Marie Piper Foundation?

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 IncomeDistributable Amount
2025$2,020,589$128,955$160,635$135,0006$136,233$104,553$95,379
2024$1,918,131$67,504$168,743$141,0006$142,150$43,071$93,848
2023$1,929,720$42,612$71,958$45,0002$46,150$40,281$91,939
2022$1,796,571$9,425$179,522$155,0006$156,137$38,075$95,108
2021$2,297,109$374,651$46,233$16,0001$17,118$346,742$105,417
2020$2,167,197$60,333$138,814$114,0008—$38,409$98,447

Under IRS private-foundation payout rules, Rose Marie Piper Foundation reported a distributable amount of $95K for 2025 — the minimum it must pay out in qualifying distributions.

Leadership & Key People

Officers and directors from IRS filings

Rose Marie Piper Foundation is led by Laurence Adams, President & Treasurer since 2022 (on filings since 2020); none of the 3 officers listed in 2025 report compensation.

Officers on the 2025 filing

  • Laurence Adams

    President & Treasurer

    President → President & Treasurer, 2022

    On filings since 2020

    1 hr/week

    No compensation reported

  • Jo Ann Anderson

    Secretary

    On filings since 2020

    2 hrs/week

    No compensation reported

  • Vince Albano

    Vice President

    On filings since 2020

    1 hr/week

    No compensation reported

Former officers (1)
  • Former: Heidi Stovall (2020–2021) — Treasurer

Data from IRS Form 990 filings, 2020–2025. "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 Rose Marie Piper Foundation

How much does Rose Marie Piper Foundation give each year?

Rose Marie Piper Foundation gave $135K across 6 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $141K across 6 grants.

What is Rose Marie Piper Foundation's typical grant size?

Rose Marie Piper Foundation's median grant in 2025 was $19,000, and its average grant was $22,500, across 6 grants on its 2025 IRS Form 990-PF.

Where does Rose Marie Piper Foundation give grants?

Rose Marie Piper Foundation gives mostly in California: 100% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The most frequent recipient cities were Sonoma, CA (6 grants).

Does Rose Marie Piper Foundation give general operating support?

Not in 2025: none of the 6 grants with a stated purpose on Rose Marie Piper Foundation's 2025 IRS Form 990-PF were described as general or operating support. Recurring purposes include "Youth Activities" (6 grants).

Who are Rose Marie Piper Foundation's largest grantees?

Rose Marie Piper Foundation's largest 2025 grantees include Sonoma Community Center ($41,000), Sonoma Stack Softball ($30,000) and Boys and Girls Club of Sonoma Valle ($20,000), according to its 2025 IRS Form 990-PF. Together they received 67% of its itemized 2025 grant dollars.

How large is Rose Marie Piper Foundation?

Rose Marie Piper Foundation reported $2.0M in total assets on its 2025 IRS Form 990-PF. It paid out $136K in qualifying distributions that year, against a required minimum of $95K (roughly 5% of its investment assets).

What is Rose Marie Piper Foundation's EIN?

Rose Marie Piper Foundation's EIN (Employer Identification Number) is 20-3389111. IRS Form 990 filing data is available on this page for 2020–2025.

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

Data update history

(7)

When this profile's IRS filing data changed on Grantable

  1. Updated Form 990-PF for fiscal year 2020 (received by the IRS June 16, 2021)
  2. Updated Form 990-PF for fiscal year 2021 (received by the IRS October 17, 2022)
  3. Updated Form 990-PF for fiscal year 2022 (received by the IRS November 7, 2023)
  4. Updated Form 990-PF for fiscal year 2023 (received by the IRS March 4, 2024)
  5. Updated Form 990-PF for fiscal year 2024 (received by the IRS May 9, 2025)
  6. Updated Form 990-PF for fiscal year 2025 (received by the IRS April 23, 2026)
  7. IRS filings on file for fiscal years 2020–2025

Explore Open Grants

Browse active grant opportunities in Rose Marie Piper Foundation's focus areas in our free grants database

Similar Funders

Funders with grantees in common

John Christopher Bunting Foundationinc

Sonoma, CA

Philanthropy, Voluntarism & Grantmaking

Assets

$694K

Grants

9

Total Given

$43K

Sanderson Family Foundation

Incline Village, NV

Philanthropy, Voluntarism & Grantmaking

Assets

$518K

Grants

1

Total Given

$100K

Women Giving as One Inc

Sonoma, CA

It funds nonprofits’ core mission and operating needs through annual competitive grants for organizations serving Sonoma Valley, from Schellville to Kenwood. Grants were typically $25,000 in 2024; applications for the 2027 cycle may request up to $30,000. Eligible 501(c)(3) organizations may apply through the online grant portal.

Philanthropy, Voluntarism & Grantmaking

Assets

$579K

Grants

13

Total Given

$325K

Simon Blattner Family Foundation

Sonoma, CA

The Simon Blattner Family Foundation supports a range of charitable organizations, including groups focused on health, food relief, youth, arts, education, and religion. In 2025, grants ranged from $500 to $15,000, with a median of $1,000; nearly all funding went to California, with a small share to New York. It funds only preselected organizations and does not accept unsolicited requests.

Philanthropy, Voluntarism & Grantmaking

Assets

$62K

Grants

21

Total Given

$60K

Kakatu Foundation Inc

Muncie, IN

Kakatu Foundation supports preselected charitable organizations in areas including workplace inclusion, conservation, services for homeless children, youth development, and athletics. Its 2025 grants ranged from $1,000 to $30,000, with a median of $3,000, and went to organizations in several states, especially Indiana, Montana, California, and Hawaii. It does not accept unsolicited funding requests.

Philanthropy, Voluntarism & Grantmaking

Assets

$2.3M

Grants

32

Total Given

$145K

Sonoma County Vintners Foundation

Santa Rosa, CA

Sonoma County Vintners Foundation supports education and literacy, health and human services, the environment, and arts and culture, with a focus on community needs in Sonoma County. Its 2024 grants ranged from $10,000 to $42,530, with a median of $10,000; all reported grant dollars went to California recipients. The available information does not state whether it accepts unsolicited requests.

Community Improvement & Capacity Building

Assets

$2.1M

Grants

41

Total Given

$473K

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 Rose Marie Piper Foundation'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.

Rose Marie Piper Foundation down — hundreds of funders to go?

Want AI to do this for you?