Zarlengo Foundation
The Zarlengo Foundation benefits individuals with learning disabilities through support of schools and programs designed to meet their specific needs. The foundation supports schools and programs for learning disabled children in and around the Denver community.
Zarlengo Foundation at a glance
In short: Zarlengo Foundation gave $90K across 4 grants in 2025 (avg $23K), mostly in Colorado. Source: 2025 IRS Form 990.
- Annual giving (2025)
- $90,360
- -41.0% vs 2024
- Grants made (2025)
- 4
- -42.9% vs 2024
- Average grant
- $22,590
- +3.3% vs 2024
- Median grant
- $17,550
- Total assets
- $628,673
- +79.5% vs 2024
- Primary geography
- Colorado (100% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990, 2025 View filing
Data from IRS Form 990, 2025; updated September 2026.
Who Zarlengo Foundation funds
How this funder distributes its grants
Top Recipients
Top 4 recipients in 2025
The largest 2025 recipient was ZF Learning Evaluation Center ($50K). Together the top 4 received $90K.
Grant Size Distribution
26 grants across all recorded years
The most common grant size was under $50K: 24 grants of 26 (92%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2025 grant dollars across all 4 itemized grants.
States
Cities
How Zarlengo Foundation gives
- Giving fell 32% from 2022 to 2025. Method
From the foundation's IRS Form 990 filings. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2020 to 2025, annual grant giving ranged from $87K (2020) to $153K (2024). In 2025 it made 4 grants totaling $90K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| ZF Learning Evaluation Center Littleton, CO | Diagnostic Testing | $50,000 |
| Hillside School Boulder, CO | Math Training | $22,000 |
| Learning Ally Denver, CO | Reading Program | $13,100 |
| Havern Center Littleton, CO | Education Donation | $5,260 |
Ready to take the next step with Zarlengo Foundation?
Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Net Investment Income |
|---|---|---|---|---|---|---|
| 2025 | $628,673 | $536,707 | $266,978 | $90,360 | 4 | $6,289 |
| 2024 | $350,271 | $362,095 | $354,073 | $153,094 | 7 | $6,673 |
| 2023 | $333,251 | $248,734 | $318,406 | $99,178 | 4 | $6,276 |
| 2022 | $404,277 | $329,804 | $324,693 | $133,245 | 6 | $2,060 |
| 2021 | $405,511 | $254,581 | $241,745 | $119,500 | 5 | $3,429 |
| 2020 | $395,786 | $367,846 | $187,729 | $86,611 | 4 | $4,560 |
About Zarlengo Foundation
Based on IRS filings
Zarlengo Foundation is a public charity, based in Wheat Ridge, CO. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $629K in total assets. In 2025, it awarded 4 grants totaling $90K. Net investment income was $6K.
Focus Areas
Leadership & Key People
Officers and directors from IRS filings
Zarlengo Foundation is led by Kathryn Zarlengo, Executive Director since 2024 (on filings since 2020); 1 of 8 officers listed in 2025 is compensated.
Officers on the 2025 filing
Kathryn Zarlengo
Executive Director
Executive Di → Executive Director, 2024
On filings since 2020
40 hrs/week
$55K (2020) → $95K (2025)
Cathy O'Donnell
President
Board Member → President, 2024
On filings since 2022
1 hr/week
No compensation reported
Edward DeCicco
Director
Board Member → Director, 2024
On filings since 2020
1 hr/week
No compensation reported
Gerald V Zarlengo
Director
Board Member → Director, 2024
On filings since 2020
1 hr/week
No compensation reported
Karen Zarlengo
Director
Vice President → Director, 2024
On filings since 2020
1 hr/week
No compensation reported
Michelle Harden
Director
Board Member → President, 2022
President → Director, 2024
On filings since 2020
1 hr/week
No compensation reported
Rebecca Lewin
Director
President → Board Member, 2022
Board Member → Director, 2024
On filings since 2020
1 hr/week
No compensation reported
Josh Dieringer
Vice President
Board Member → Vice President, 2024
On filings since 2022
1 hr/week
No compensation reported
Former officers (4)
- Former: Robert J Zarlengo (2020–2024) — Director
- Former: Carol Karshmer (2020–2023) — Board Member
- Former: Jann Stathos (2020–2021) — Board Member
- Former: Andrew Tucker (2020) — Board Member
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.
Compensation Overview
From 2025 IRS filing
The highest reported compensation on the 2025 filing was $95K, to Kathryn Zarlengo (Executive Dir.).
Frequently asked questions about Zarlengo Foundation
How much does Zarlengo Foundation give each year?
Zarlengo Foundation gave $90K across 4 grants in 2025, according to its 2025 IRS Form 990. In 2024 it gave $153K across 7 grants.
What is Zarlengo Foundation's typical grant size?
Zarlengo Foundation's median grant in 2025 was $17,550, and its average grant was $22,590, across 4 grants on its 2025 IRS Form 990.
Where does Zarlengo Foundation give grants?
Zarlengo Foundation gives mostly in Colorado: 100% of the grant dollars itemized on its 2025 IRS Form 990 went to recipients there. The most frequent recipient cities were Littleton, CO (2 grants).
Does Zarlengo Foundation give general operating support?
Not in 2025: none of the 4 grants with a stated purpose on Zarlengo Foundation's 2025 IRS Form 990 were described as general or operating support.
How large is Zarlengo Foundation?
Zarlengo Foundation reported $629K in total assets on its 2025 IRS Form 990. Its revenue that year was $537K.
What is Zarlengo Foundation's EIN?
Zarlengo Foundation's EIN (Employer Identification Number) is 80-0015548. IRS Form 990 filing data is available on this page for 2020–2025.
Data last updated September 2026. Sourced from IRS Form 990 filings.
Data update history
(6)
When this profile's IRS filing data changed on Grantable
- Updated Form 990 for fiscal year 2024 (received by the IRS November 17, 2025)
- Updated Form 990 for fiscal year 2025 (received by the IRS May 28, 2026)
- Updated Form 990 for fiscal year 2021 (received by the IRS May 13, 2022)
- Updated Form 990 for fiscal year 2022 (received by the IRS May 15, 2023)
- Updated Form 990 for fiscal year 2020 (received by the IRS May 12, 2021)
- Updated Form 990 for fiscal year 2023 (received by the IRS May 14, 2024)
Live grants for the work Zarlengo Foundation funds
Philanthropy, Voluntarism & Grantmaking Open opportunities, soonest deadline first.
- Nixa Affiliate Grantmaking Program Up to US $10,000 · Due October 19, 2026
- Community and School Grants $28,000 total pool; 10-15 grants expected · Due October 19, 2026
- Mary Pinola/Crescenta Valley Chamber Education Fund $500 - $5,000 for ongoing programs; up to $15,000 for Strategic Initiative Grants · Due October 19, 2026
Explore Open Grants
Browse active grant opportunities in Zarlengo Foundation's focus areas in our free grants database
Similar Funders
Funders with grantees in common
Uncapd Inc
Melville, NY
Assets
$123K
Grants
1
Total Given
$5K
Neary Ida M Tr Uwill
Pittsburgh, PA
Assets
$170K
Grants
5
Total Given
$400
Charles a and Leona K Gruber Fnd
Saint Louis, MO
Assets
$382K
Grants
6
Total Given
$16K
Aloran Foundation
Boulder, CO
Assets
—
Grants
8
Total Given
$47K
Adairsville Lions Club Foundation Inc
Adairsville, GA
Assets
$20K
Grants
10
Total Given
$7K
Grace C Stebbins Tua
Dallas, TX
The foundation supports preselected charities across varied fields, including education, conservation, humanitarian aid, and services for people with disabilities; recent grants ranged from $1,000 to $23,561, with a median of $7,854. Recent funding went mainly to organizations in New York, Washington, D.C., Pennsylvania, Virginia, and Massachusetts. It does not accept unsolicited requests.
Assets
$3.4M
Grants
15
Total Given
$158K
More similar funders
More Funders in Colorado
The filing figures on this page are open data under CC BY 4.0. About GrantGraph Open
Figures come from Zarlengo 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.
Zarlengo Foundation down — hundreds of funders to go?