Thomas and Diane Barrett Foundation

Private foundation · Grantmaker Denver, CO EIN: 20-2619542

The Thomas and Diane Barrett Foundation is a private foundation based in Denver, Colorado. In filing year 2025, it reported making 12 grants to public charities, with all listed grants designated for operational support.

Thomas and Diane Barrett Foundation at a glance

In short: Thomas and Diane Barrett Foundation gave $34K across 12 grants in 2025 (avg $3K), mostly in Colorado. 25% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$33,915
-56.3% vs 2024
Grants made (2025)
12
+200.0% vs 2024
Average grant
$2,826
-85.4% vs 2024
Median grant
$1,000
Total assets
$9,333
-4.4% vs 2024
New grantees (estimate)
25% first-time grantees (3 of 12, 2025; small sample)
Primary geography
Colorado (99% of itemized 2025 grant dollars)
Latest 990 filing
Form 990-PF, 2025 View filing

Data from IRS Form 990-PF, 2025; updated October 2026. New grantees are estimated by matching recipient names across years (methodology).

How to apply to Thomas and Diane Barrett Foundation

Accepts unsolicited proposals
No
How to Apply

The foundation makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds.

Contact

Mailing address: 598 Saint Paul Street, Denver, CO 80206
Phone: (303) 547-0888

Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.

Who Thomas and Diane Barrett Foundation funds

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2025

Saint John Episcopal Cathedral: $20KSaint John Episcopal Cathedral$20KDenver Botanic Gardens: $5KDenver Botanic Gardens$5KPlanned Parenthood of Colorado: $2KPlanned Parenthood of Colorado$2KColorado Public Radio: $2KColorado Public Radio$2KSaint Francis Center: $1KSaint Francis Center$1KOpera Colorado: $1KOpera Colorado$1KHighline Canal Conservatory: $1KHighline Canal Conservatory$1KCommunity College Denver Foundation: $1KCommunity College DenverFoundation$1KRocky Mountain Marines: $500Rocky Mountain Marines$500Denver Art Museum: $250Denver Art Museum$250

The largest 2025 recipient was Saint John Episcopal Cathedral ($20K). Together the top 10 received $34K.

Grant Size Distribution

53 grants across all recorded years

51<$50K2$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 51 grants of 53 (96%).

Geographic Focus

Where this funder awards grants

In 2025, 99% of grant dollars went to recipients in Colorado and 1% went to a recipient in Tennessee. Listed Colorado recipients included organizations in Denver and Englewood; the Tennessee recipient was Chi Psi Educational Trust in Nashville.

Grant Distribution by State

5states

Share of 2025 grant dollars across all 12 itemized grants.

Cities

DenverEnglewoodArlingtonDarienNashvilleWashington

Is Thomas and Diane Barrett Foundation open to new grantees?

25%

first-time grantees, 2025

In 2025, 3 of 12 grantees (25%) were first-time recipients. With only 12 grantees, that is a small sample: one grantee more or less moves the share by about 8 points. First grants averaged $750; repeat grants $4K. How we count

Medians: $1K first-time, $1K repeat.

  • 33% of 2025 grantees were also funded in 2024. Method
  • Giving held roughly steady from 2022 to 2025 (−11%). Method
  • In 2025 it paid out well above its IRS minimum distribution (the 5% rule). Method

Estimate from itemized grant lists in IRS Form 990-PF filings (2021–2025). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.

Giving History

Giving Over Time

Total grant dollars and number of grants per year

$0$25K$50K$75K$100K15 grants2021 10 grants2022 12 grants2023 4 grants2024 12 grants2025

From 2021 to 2025, annual grant giving ranged from $34K (2025) to $92K (2023). In 2025 it made 12 grants totaling $34K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Saint John Episcopal Cathedral Denver, COOperational Support$19,635
Denver Botanic Gardens Denver, COOperational Support$5,000
Planned Parenthood of Colorado Denver, COOperational Support$2,000
Colorado Public Radio Englewood, COOperational Support$2,000
Saint Francis Center Denver, COOperational Support$1,200
Opera Colorado Englewood, COOperational Support$1,000
Highline Canal Conservatory Englewood, COOperational Support$1,000
Community College Denver Foundation Denver, COOperational Support$1,000
Rocky Mountain Marines Denver, COOperational Support$500
Denver Art Museum Denver, COOperational Support$250
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Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsQualifying DistributionsNet Investment IncomeDistributable Amount
2025$9,333$33,603$34,534$33,91512$34,534$5$493
2024$9,764$66,185$78,068$77,5204$78,068$278$476
2023$18,972$85,792$91,847$91,83212$91,847$3,476$1,531
2022$25,525$27,816$38,311$38,21910$38,311$1,060$1,374
2021$36,466$30,269$40,781$40,75515$40,781$4,804$2,093

Under IRS private-foundation payout rules, Thomas and Diane Barrett Foundation reported a distributable amount of $493 for 2025 — the minimum it must pay out in qualifying distributions.

Research compiled by Grantable AI from public sources. Last updated September 2026.

Mission & Focus Areas

No mission statement for the foundation is provided. Its 2025 grants supported organizations including a botanical garden, an opera company, a public radio station, a community college foundation, and other charitable organizations.

Among the grantees, Denver Botanic Gardens describes its mission as connecting people with plants, especially those from the Rocky Mountain region and similar regions around the world, to provide delight and enlightenment. Opera Colorado says it uses opera to connect the community through musical storytelling and collaborates with nonprofit institutions to amplify their missions through the arts. The Chi Psi Educational Trust says it develops, funds, and implements leadership and service programs available to members of Chi Psi fraternity.

Grantmaking

In 2025, the foundation gave $33,915 through 12 grants. Grants ranged from $80 to $19,635, with a median grant of $1,000. All 12 listed grants were for operational support.

Notable 2025 grants included $19,635 to Saint John Episcopal Cathedral, $5,000 to Denver Botanic Gardens, $2,000 each to Planned Parenthood of Colorado and Colorado Public Radio, and $1,200 to Saint Francis Center.

Leadership & Key People

Leadership team and compensation from IRS filings

The 2025 filing lists Thomas Barrett as president and Diane Barrett as sectreasurer.

Thomas and Diane Barrett Foundation is led by Thomas Barrett, President on every filing since 2021; none of the 2 officers listed in 2025 report compensation.

Officers on the 2025 filing

  • Thomas Barrett

    President

    On filings since 2021

    1 hr/week

    No compensation reported

  • Diane Barrett

    Sectreasurer

    On filings since 2021

    1 hr/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 Thomas and Diane Barrett Foundation

How much does Thomas and Diane Barrett Foundation give each year?

Thomas and Diane Barrett Foundation gave $34K across 12 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $78K across 4 grants.

What is Thomas and Diane Barrett Foundation's typical grant size?

Thomas and Diane Barrett Foundation's median grant in 2025 was $1,000, and its average grant was $2,826, across 12 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from Thomas and Diane Barrett Foundation that year got $750 on average.

Where does Thomas and Diane Barrett Foundation give grants?

Thomas and Diane Barrett Foundation gives mostly in Colorado: 99% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The most frequent recipient cities were Denver, CO (8 grants) and Englewood, CO (3 grants).

Does Thomas and Diane Barrett Foundation give general operating support?

Yes: 100% of Thomas and Diane Barrett Foundation's 2025 grants with a stated purpose (12 of 12) were for general or operating support, per its 2025 IRS Form 990-PF.

Who are Thomas and Diane Barrett Foundation's largest grantees?

Thomas and Diane Barrett Foundation's largest 2025 grantees include Saint John Episcopal Cathedral ($19,635), Denver Botanic Gardens ($5,000) and Planned Parenthood of Colorado ($2,000), according to its 2025 IRS Form 990-PF. Together they received 79% of its itemized 2025 grant dollars.

How large is Thomas and Diane Barrett Foundation?

Thomas and Diane Barrett Foundation reported $9K in total assets on its 2025 IRS Form 990-PF. It paid out $35K in qualifying distributions that year, against a required minimum of $493 (roughly 5% of its investment assets).

What does Thomas and Diane Barrett Foundation fund?

No mission statement for the foundation is provided. Its 2025 grants supported organizations including a botanical garden, an opera company, a public radio station, a community college foundation, and other charitable organizations. See mission & focus areas ↑

How do I apply for a grant from Thomas and Diane Barrett Foundation?

The foundation makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑

What is Thomas and Diane Barrett Foundation's EIN?

Thomas and Diane Barrett Foundation's EIN (Employer Identification Number) is 20-2619542. IRS Form 990 filing data is available on this page for 2021–2025.

Does Thomas and Diane Barrett Foundation accept unsolicited proposals?

No, according to Grantable's research on the foundation's published guidelines. See how to apply ↑

Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.

Data update history

(2)

When this profile's IRS filing data changed on Grantable

  1. Added Form 990-PF for fiscal year 2025 (received by the IRS May 7, 2026)
  2. IRS filings on file for fiscal years 2021–2024

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

Figures come from Thomas and Diane Barrett 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.

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