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Nonprofit · EIN 94-3308034

SUSTAINABLE MARIN

Tax-exempt · ROSS, CA 94957

Financials

$287K$253K2023$440K$358K2024$349K$345K2025
Revenue Expenses · by fiscal year end
Financials of SUSTAINABLE MARIN by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990$348,765$345,286$3,479$308,766$29$308,737
December 31, 2024990$440,266$357,531$82,735$305,284$26$305,258
December 31, 2023990$286,675$252,867$33,808$222,607$84$222,523
Financial details: 990 for the year ended December 31, 2025

Revenue

Contributions, gifts and grants
$310,496
of which government grants
$116,010
Program service revenue
$35,922
Investment income
$2,347
Other revenue
$0

Expenses

Grants and similar amounts paid
$0
Other salaries and wages
$207,609
Salaries, compensation and benefits (total)
$224,135
Professional fundraising fees
$0
Accounting fees
$4,945
Program services (functional)
$345,286

Balance sheet and other

Total assets, start of year
$305,284
Total assets, end of year
$308,766
Total liabilities, end of year
$29
Net assets, end of year
$308,737
Net assets without donor restrictions
$308,737
Gross receipts
$348,765
Employees
4

From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.

Officers, directors and key employees

As listed on the 990 for the year ended December 31, 2025, highest compensation first.

NameTitleHours / weekCompensation
AMY SKEWES COXSECRETARY
Trustee or director, Officer
–$0
CHARLES DENNISDIRECTOR
Trustee or director
–$0
VICTORIA HOLMLUNDTREASURER
Trustee or director, Officer
–$0
WENDI KALLINSPRESIDENT
Trustee or director, Officer
–$0
CYNTHIA KOEHLERDIRECTOR
Trustee or director
–$0
CAROLYN LUNDDIRECTOR
Trustee or director
–$0
KIKI LA PORTAVICE PRESIDE
Trustee or director, Officer
–$0
MARILYN PRICEDIRECTOR
Trustee or director
–$0
MILES SMITHDIRECTOR
Trustee or director
–$0
PETER WARINGDIRECTOR
Trustee or director
–$0
990 for the year ended December 31, 2024: 12 people
NameTitleHours / weekCompensation
AMY SKEWES COXSECRETARY
Trustee or director, Officer
–$0
CHARLES DENNISDIRECTOR
Trustee or director
–$0
DAVID HASKELLDIRECTOR
Trustee or director
–$0
VICTORIA HOLMLUNDTREASURER
Trustee or director, Officer
–$0
WENDI KALLINSPRESIDENT
Trustee or director, Officer
–$0
CYNTHIA KOEHLERDIRECTOR
Trustee or director
–$0
MICHAEL LEIFERDIRECTOR
Trustee or director
–$0
CAROLYN LUNDDIRECTOR
Trustee or director
–$0
KIKI LA PORTAVICE PRESIDE
Trustee or director, Officer
–$0
MARILYN PRICEDIRECTOR
Trustee or director
–$0
MILES SMITHDIRECTOR
Trustee or director
–$0
PETER WARINGDIRECTOR
Trustee or director
–$0
990 for the year ended December 31, 2023: 10 people
NameTitleHours / weekCompensation
DONN DAVYDIRECTOR
Trustee or director
–$0
DAVID HASKELLDIRECTOR
Trustee or director
–$0
WENDI KALLINSPRESIDENT
Trustee or director, Officer
–$0
CYNTHIA KOEHLERDIRECTOR
Trustee or director
–$0
MICHAEL LEIFERDIRECTOR
Trustee or director
–$0
CAROLYN LUNDSECRETARY
Trustee or director, Officer
–$0
HOWARD SCHWARTZ PHDDIRECTOR
Trustee or director
–$0
KIKI LA PORTAVICE PRESIDE
Trustee or director, Officer
–$0
MARILYN PRICEDIRECTOR
Trustee or director
–$0
PETER WARINGDIRECTOR
Trustee or director
–$0

Address and contacts

Address (IRS master file)
PO BOX 1822, ROSS, CA 94957-1822
In care of
% TAMARA HULL
Mailing address (990-N for 2013)
68 Mitchell Blvd Suite 240, San Rafael CA 94903
Principal officer (990 for 2025)
WENDI KALLINS, PO BOX 201, FOREST KNOLLS, CA 94933
Principal officer (990-N for 2013)
Tamara Hull, 68 Mitchell Blvd Suite 240, San Rafael CA 94903
Signed the 990
WENDI KALLINS, PRESIDENT
Phone
(415) 307-5112
Return prepared by
JANNISSE & HULL CPAS

California records

California keeps its own records of charities and corporations. Search them by EIN 94-3308034 or by the name SUSTAINABLE MARIN.

Attorney General, Registry of Charities and Fundraisers
Registration status and filed reports (CT-TR-1, RRF-1)

Mission

WE ARE A NONPROFIT ORGANIZATION WORKING SINCE 1999 TO ADVANCE ENVIRONMENTAL AND ECONOMIC SUSTAINABILITY AND SOCIAL WELL-BEING THROUGHOUT OUR COUNTY, THROUGH OUR GRASSROOTS EFFORTS AND THOSE OF OUR TOWN AND CITY CHAPTERS AND AFFILIATES. WE COLLECTIVELY CALL OURSELVES THE SUSTAINABLES.

990 for the year ended December 31, 2025

Program accomplishments

  • EDUCATION, OUTREACH AND ADVOCACY, AND THE RESILIENT NEIGHBORHOODS PROGRAM
    Expenses $345,286 · revenue $35,922

What it must file and when

IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025December 31, 2025May 15, 2026990 on file
2024December 31, 2024May 15, 2025990 on file
2023December 31, 2023May 15, 2024990 on file

IRS record

EIN
94-3308034
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (170(b)(1)(A)(vi))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
1999
Accounting year ends
December
Files
Form 990 or 990-EZ
Category (NTEE)
Environment (C30)
Assets (IRS master file)
$308,766
Income (IRS master file)
$348,765

Filing history

FormYear endedRevenueExpensesAssetsReturn
990December 2025$348,765$345,286$308,766IRS
990December 2024$440,266$357,531$305,284IRS
990December 2023$286,675$252,867$222,607XML
990December 2022$219,790$154,861$191,480IRS
990-EZDecember 2021–––IRS
990-EZDecember 2020–––IRS
990December 2018–––IRS
990-EZDecember 2017–––IRS
990-N for 2013
Officer: Tamara Hull
December 31, 2013≤ $50,000 receipts––e-Postcard

990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 94-3308034).

Questions about SUSTAINABLE MARIN

What is the EIN of SUSTAINABLE MARIN?
The employer identification number (EIN) of SUSTAINABLE MARIN is 94-3308034.
Is SUSTAINABLE MARIN tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1999.
Are donations to SUSTAINABLE MARIN tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does SUSTAINABLE MARIN file?
Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
When is the next return of SUSTAINABLE MARIN due?
The return for tax year 2026 (the year ending December 31, 2026) is due May 17, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did SUSTAINABLE MARIN last file with the IRS?
The latest return in the IRS public files is the 990 for the year ended December 2025.
Who is the principal officer of SUSTAINABLE MARIN?
The 990 for the year ended December 31, 2025 names WENDI KALLINS.
Who are the officers and directors of SUSTAINABLE MARIN?
The 990 for the year ended December 31, 2025 lists 10 people; 0 received compensation from the organization.
How much revenue does SUSTAINABLE MARIN have?
On its 990 for the year ended December 31, 2025 it reported revenue of $348,765, expenses of $345,286 and total assets of $308,766 at year end.

Other nonprofits in ROSS

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