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Nonprofit · EIN 52-1833599

SIGHTLINE INSTITUTE

Also known as NORTHWEST ENVIRONMENT WATCH

Tax-exempt · SEATTLE, WA 98121

Financials

$4.7M$2.9M2023$2.5M$3.2M2024$4.5M$3.5M2025
Revenue Expenses · by fiscal year end
Financials of SIGHTLINE INSTITUTE by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990$4,469,635$3,538,905$930,730$8,135,675$520,424$7,615,251
December 31, 2024990$2,520,867$3,249,823-$728,956$7,176,336$684,353$6,491,983
December 31, 2023990$4,704,842$2,945,365$1,759,477$7,547,705$448,574$7,099,131
Financial details: 990 for the year ended December 31, 2025

Revenue

Contributions, gifts and grants
$4,125,030
Program service revenue
$1,500
Investment income
$335,624
Royalties
$50
Net gain from sales of assets
$177,244
Other revenue
$7,481

Expenses

Grants and similar amounts paid
$21,790
Compensation of officers, directors and key employees
$651,652
Other salaries and wages
$1,485,854
Salaries, compensation and benefits (total)
$2,586,914
Professional fundraising fees
$40,103
Accounting fees
$102,249
Occupancy
$6,996
Travel
$64,603
Depreciation
$2,302
Program services (functional)
$2,487,924
Management and general (functional)
$491,662
Fundraising (functional)
$559,319

Balance sheet and other

Total assets, start of year
$7,176,336
Total assets, end of year
$8,135,675
Total liabilities, end of year
$520,424
Net assets, end of year
$7,615,251
Land, buildings and equipment
$775
Publicly traded securities
$4,844,596
Net assets without donor restrictions
$5,194,974
Net assets with donor restrictions
$2,420,277
Gross receipts
$7,275,375
Employees
19
Volunteers
11
Year formed
1993
State of legal domicile
WA

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 / weekCompensationOther / benefits
Alan DurningExecutive Director
Trustee or director, Officer
40$203,644$32,478
Meaghan TracyManaging Director
Key employee
40$164,767$46,634
Anna FaheyPrincipal Director of Strategy
Key employee
40$154,259$49,869
Daniel BertoletSenior Director, Housing + Cities
Highest-paid employee
40$145,944$25,388
Serena LarkinSenior Director of Communications
Highest-paid employee
40$123,180$26,302
Emily MooreSenior Director, Climate + Energy
Highest-paid employee
40$120,521$28,741
Rachel ConsoloAssociate Director, Human Resources
Highest-paid employee
40$100,708$22,976
John McGarryChair
Trustee or director, Officer
1$0$0
Tl'ehskwiisimka MarshallTreasurer
Trustee or director, Officer
1$0$0
Brynn ArboricoSecretary
Trustee or director, Officer
1$0$0
Erim GomezDirector
Trustee or director
1$0$0
Sara MooreheadDirector
Trustee or director
1$0$0
Raymond FungDirector
Trustee or director
1$0$0
Nolan LienhartDirector
Trustee or director
1$0$0
Cynthia PutnamDirector
Trustee or director
1$0$0
2 more people on this return
NameTitleHours / weekCompensation
Neelima ShahDirector
Trustee or director
1$0
Henry HonorofDirector
Trustee or director
1$0
990 for the year ended December 31, 2024: 17 people
NameTitleHours / weekCompensationOther / benefits
Alan DurningExecutive Director
Trustee or director, Officer
40$198,548$29,398
Meaghan TracyManaging Director
Highest-paid employee
40$134,850$38,037
Anna FaheyPrincipal Director of Strategy
Highest-paid employee
40$125,734$41,822
Dan BertoletSenior Director of Housing+Cities
Highest-paid employee
40$128,165$22,318
Serena LarkinDirector of Communications
Highest-paid employee
40$111,128$20,674
John McGarryChair
Trustee or director, Officer
1$0$0
Tl'ehskwiisimka MarshallTreasurer
Trustee or director, Officer
1$0$0
Shawmut Shaw CanaleTreasurer (Former)
Trustee or director, Officer
1$0$0
Brynn ArboricoSecretary
Trustee or director, Officer
1$0$0
Wayne LeiSecretary (Former)
Trustee or director, Officer
1$0$0
Jason Pretty BoyDirector
Trustee or director
1$0$0
Ray FungDirector
Trustee or director
1$0$0
Nolan LienhartDirector
Trustee or director
1$0$0
Neelima ShahDirector
Trustee or director
1$0$0
Erim GomezDirector
Trustee or director
1$0$0
Sara MooreheadDirector
Trustee or director
1$0$0
Cynthia PutnamDirector
Trustee or director
1$0$0
990 for the year ended December 31, 2023: 16 people
NameTitleHours / weekCompensationOther / benefits
Alan DurningExecutive Director
Trustee or director, Officer
40$193,673$26,816
Meaghan TracyManaging Director
Highest-paid employee
40$128,469$36,730
Anna FaheySenior Director of Strategy
Highest-paid employee
40$121,278$36,682
Dan BertoletDirector, Housing and Cities
Highest-paid employee
40$114,806$20,286
Serena LarkinDirector, Communications
Highest-paid employee
40$104,949$19,933
Emily MooreDirector, Climate and Energy
Highest-paid employee
40$100,185$19,261
John McGarryChair
Trustee or director, Officer
1$0$0
Shawmut Shaw CanaleTreasurer
Trustee or director, Officer
1$0$0
Wayne LeiSecretary
Trustee or director, Officer
1$0$0
Ray FungDirector
Trustee or director
1$0$0
Jeanette HendersonDirector
Trustee or director
1$0$0
Nolan LienhartDirector
Trustee or director
1$0$0
Jason Pretty BoyDirector
Trustee or director
1$0$0
Tl'ehskwiisimkaSimka MarshallDirector
Trustee or director
1$0$0
Brynn ArboricoDirector
Trustee or director
1$0$0
Ruchi SadhirDirector
Trustee or director
1$0$0

Address and contacts

Address (IRS master file)
92 LENORA ST 189, SEATTLE, WA 98121-2108
In care of
% NFP PARTNERS
Principal officer (990 for 2025)
Alan Durning, 92 Lenora St 189, Seattle, WA 98121
Signed the 990
Alan Durning, Executive Director
Phone
(206) 447-1880
Return prepared by
WERSEN NONPROFIT CPAS LLC

Mission

Independent, nonpartisan research, analysis, and policy solutions to advance strong communities, a green economy, and a healthy environment.

990 for the year ended December 31, 2025

Program accomplishments

  • Since 1993, Sightline Institute has been the independent, nonpartisan think tank for Cascadia from the Rockies to the Pacific and from Alaska to Oregon. We provide citizens and decision-makers with the research, policy analysis, and practical tools they need to advance strong communities, a green economy, and a healthy environment. In 2025, our work contributed to the region's transition to clean energy, abundant housing options, and stronger democratic participation across the Northwest. Highlights included supporting a first-of-its-kind agreement to pilot neighborhood-scale electrification in Oregon, playing a key role in passing the nation's strongest statewide parking reform in Washington, and working alongside partners to defend Alaska's ranked choice voting system from repeal. We shared these solutions widely through in-depth research, media commentary, and public events, and worked to assemble the multi-partisan coalitions often needed to turn policy ideas into reality. All of our research is freely available under our open-use policy. Our core program areas are Climate and Energy, Housing and Cities, and Democracy and Elections.
    Expenses $2,487,924 · grants $21,790 · revenue $1,550

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
52-1833599
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
1998
Accounting year ends
December
Files
Form 990 or 990-EZ
Category (NTEE)
Environment (C28Z)
Assets (IRS master file)
$8,135,675
Income (IRS master file)
$7,275,375

Filing history

FormYear endedRevenueExpensesAssetsReturn
990December 2025$4,469,635$3,538,905$8,135,675XML
990December 2024$2,520,867$3,249,823$7,176,336XML
990December 2023$4,704,842$2,945,365$7,547,705XML
990December 2022$2,802,041$3,023,017$5,360,204IRS
990December 2021–––IRS
990December 2020–––IRS
990December 2018–––IRS

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 52-1833599).

Questions about SIGHTLINE INSTITUTE

What is the EIN of SIGHTLINE INSTITUTE?
The employer identification number (EIN) of SIGHTLINE INSTITUTE is 52-1833599.
Is SIGHTLINE INSTITUTE tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1998.
Are donations to SIGHTLINE INSTITUTE tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does SIGHTLINE INSTITUTE 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 SIGHTLINE INSTITUTE 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 SIGHTLINE INSTITUTE 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 SIGHTLINE INSTITUTE?
The 990 for the year ended December 31, 2025 names Alan Durning.
Who are the officers and directors of SIGHTLINE INSTITUTE?
The 990 for the year ended December 31, 2025 lists 17 people; 7 received compensation from the organization, the highest $203,644 (Alan Durning, Executive Director).
How much revenue does SIGHTLINE INSTITUTE have?
On its 990 for the year ended December 31, 2025 it reported revenue of $4,469,635, expenses of $3,538,905 and total assets of $8,135,675 at year end.

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