Sustainability Institute of Detroit

Private foundation · Grantmaker Detroit, MI EIN: 46-4029848

Sustainability Institute of Detroit is a private foundation based in Detroit, Michigan. Its 2025 filing reports grants for mission-related consulting services and support for research, development, and spread of sustainable business models, with a stated primary focus on the city of Detroit for the latter grant.

Sustainability Institute of Detroit at a glance

In short: Sustainability Institute of Detroit gave $181K across 10 grants in 2025 (avg $18K), mostly in Washington. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$181,372
+17.5% vs 2024
Grants made (2025)
10
+100.0% vs 2024
Average grant
$18,137
-41.2% vs 2024
Median grant
$2,247
Total assets
$5,598,078
+1922.5% vs 2024
Primary geography
Washington (50% of itemized 2025 grant dollars)
Latest 990 filing
Form 990-PF, 2025 View filing

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

How to apply to Sustainability Institute of Detroit

Accepts unsolicited proposals
No
How to Apply

The foundation does not accept unsolicited requests for funds and states that it makes contributions only to preselected charitable organizations. No application process or required materials are specified.

Contact

Mailing address: 4444 Second Avenue, Detroit, MI 48201
Phone: (586) 219-2005

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

Who Sustainability Institute of Detroit funds

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2025

Sol Selection LLC: $90KSol Selection LLC$90KProspect Works: $49KProspect Works$49KGreat Lakes Environmental Law Cente: $30KGreat Lakes Environmental LawCente$30KJ Gallagher Contracting LLC: $3KJ Gallagher Contracting LLC$3KWH Canon LLC: $2KWH Canon LLC$2KFabrick Design: $2KFabrick Design$2KGermania Seed Company: $2KGermania Seed Company$2KStroud House: $1KStroud House$1KBuilding Science: $1KBuilding Science$1KGreen Building Advisor: $150Green Building Advisor$150

The largest 2025 recipient was Sol Selection LLC ($90K). Together the top 10 received $181K.

Grant Size Distribution

20 grants across all recorded years

15<$50K3$50–100K2$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 15 grants of 20 (75%).

Geographic Focus

Where this funder awards grants

The largest 2025 grant supported work with a stated primary focus on Detroit. Reported 2025 grant dollars went to recipients in Washington (50%), Michigan (48%), Illinois (1%), Massachusetts (1%), and an unspecified state (1%).

Grant Distribution by State

5states

Share of 2025 grant dollars across all 10 itemized grants.

Cities

DetroitSeattleNorthvilleAnn ArborChicagoNewtownRomulusWestford

How Sustainability Institute of Detroit gives

  • Giving grew 48% from 2022 to 2025. Method
  • In 2024 it paid out 975% 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$200K1 grant2021 2 grants2022 2 grants2023 5 grants2024 10 grants2025

From 2021 to 2025, annual grant giving ranged from $103K (2023) to $181K (2025). In 2025 it made 10 grants totaling $181K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Sol Selection LLC Seattle, WACombating community deterioration by nurturing the research, development and proliferation of new sustainable business models (capacity building) with a primary focus on the city of detroit.$90,342
Prospect Works Detroit, MIMission Related Consulting Services$49,081
Great Lakes Environmental Law Cente Detroit, MIMission Related Consulting Services$30,000
J Gallagher Contracting LLC Northville, MIMission Related Consulting Services$3,070
WH Canon LLC Romulus, MIMission Related Consulting Services$2,393
Fabrick Design Detroit, MIMission Related Consulting Services$2,100
Germania Seed Company Chicago, ILMission Related Consulting Services$1,786
Stroud House Mission Related Consulting Services$1,260
Building Science Westford, MAMission Related Consulting Services$1,190
Green Building Advisor Newtown, CTMission Related Consulting Services$150
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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$5,598,078$10,638,131$196,194$181,37210$191,268$5,400,806—
2024$276,786$19,628$171,586$154,3565$162,873$11,115$16,712
2023$428,744$233,628$106,868$102,6842$104,753$4,122$18,108
2022$301,928$6,355$125,461$122,1772$123,780$4,771$17,211
2021$421,034$8,306$108,830$105,8371—$6,944$22,767

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

Mission & Focus Areas

The available grant descriptions include consulting services and a grant to nurture the research, development, and proliferation of new sustainable business models, with a primary focus on Detroit. One 2025 grantee, Great Lakes Environmental Law Center, describes its mission as providing public-interest legal representation on environmental issues to community organizations, environmental groups, governments, and agencies in Michigan.

Grantmaking

In filing year 2025, the foundation reported 10 grants totaling $181,372. Grant amounts ranged from $150 to $90,342, with a median of $2,246.

The largest reported grants were $90,342 to SOL SELECTION LLC for capacity building related to sustainable business models, $49,081 to Prospect Works for mission-related consulting services, and $30,000 to Great Lakes Environmental Law Center for mission-related consulting services.

Leadership & Key People

Leadership team and compensation from IRS filings

The 2025 filing lists Thomas S Brennan as president and director; Christopher Uhl as director; and Robert J Weins as secretary, treasurer, and director.

Sustainability Institute of Detroit is led by Thomas S. Brennan, President & Director on every filing since 2021; none of the 3 officers listed in 2025 report compensation.

Officers on the 2025 filing

  • Thomas S. Brennan

    President & Director

    On filings since 2021

    5 hrs/week

    No compensation reported

  • Christopher Uhl

    Director

    On filings since 2021

    0.5 hrs/week

    No compensation reported

  • Robert J. Weins

    Secretary, Treasurer & Director

    On filings since 2021

    5 hrs/week

    No compensation reported

Former officers (1)
  • Former: Kimberly Williamson (2021–2024) — Director

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 Sustainability Institute of Detroit

How much does Sustainability Institute of Detroit give each year?

Sustainability Institute of Detroit gave $181K across 10 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $154K across 5 grants.

What is Sustainability Institute of Detroit's typical grant size?

Sustainability Institute of Detroit's median grant in 2025 was $2,247, and its average grant was $18,137, across 10 grants on its 2025 IRS Form 990-PF.

Where does Sustainability Institute of Detroit give grants?

Sustainability Institute of Detroit gives mostly in Washington: 50% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest state was Michigan (48%). The most frequent recipient cities were Detroit, MI (3 grants).

Does Sustainability Institute of Detroit give general operating support?

Not in 2025: none of the 10 grants with a stated purpose on Sustainability Institute of Detroit's 2025 IRS Form 990-PF were described as general or operating support. Recurring purposes include "Mission Related Consulting Services" (9 grants).

Who are Sustainability Institute of Detroit's largest grantees?

Sustainability Institute of Detroit's largest 2025 grantees include Sol Selection LLC ($90,342), Prospect Works ($49,081) and Great Lakes Environmental Law Cente ($30,000), according to its 2025 IRS Form 990-PF. Together they received 93% of its itemized 2025 grant dollars.

How large is Sustainability Institute of Detroit?

Sustainability Institute of Detroit reported $5.6M in total assets on its 2025 IRS Form 990-PF. Its revenue that year was $10.6M.

What does Sustainability Institute of Detroit fund?

The available grant descriptions include consulting services and a grant to nurture the research, development, and proliferation of new sustainable business models, with a primary focus on Detroit. See mission & focus areas ↑

How do I apply for a grant from Sustainability Institute of Detroit?

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

What is Sustainability Institute of Detroit's EIN?

Sustainability Institute of Detroit's EIN (Employer Identification Number) is 46-4029848. IRS Form 990 filing data is available on this page for 2021–2025.

Does Sustainability Institute of Detroit 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

(1)

When this profile's IRS filing data changed on Grantable

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

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Cite this profile

Grantable. (2026). Sustainability Institute of Detroit funder profile. GrantGraph. Retrieved October 13, 2026, from https://grantable.co/funders/sustainability-institute-of-detroit-morg_23ac350973fc4f9fb5a7771963c49605

BibTeX
@misc{grantable_464029848_2026,
  author       = {{Grantable}},
  title        = {{Sustainability Institute of Detroit funder profile}},
  howpublished = {GrantGraph},
  year         = {2026},
  url          = {https://grantable.co/funders/sustainability-institute-of-detroit-morg_23ac350973fc4f9fb5a7771963c49605},
  note         = {Accessed 2026-10-13. Data licensed CC BY 4.0}
}

The figures on this page are open data under CC BY 4.0: reuse them with credit to Grantable and a link. Download the data.

Figures come from Sustainability Institute of Detroit'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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