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Nonprofit · EIN 91-1589720

E B DUNN HISTORIC GARDEN TRUST

Tax-exempt · SEATTLE, WA 98177

Financials

$561K$486K2022$481K$530K2023$642K$528K2024
Revenue Expenses · by fiscal year end
Financials of E B DUNN HISTORIC GARDEN TRUST by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
June 30, 2025990$641,772$528,150$113,622$8,193,998$11,502$8,182,496
June 30, 2024990$480,872$530,168-$49,296$7,434,524$11,780$7,422,744
June 30, 2023990$560,617$485,953$74,664$7,754,926$18,330$7,736,596
Financial details: 990 for the year ended June 30, 2025

Revenue

Contributions, gifts and grants
$437,690
of which government grants
$61,400
Membership dues
$46,720
Program service revenue
$66,303
Investment income
$57,595
Net rental income
$50,200
Net income from fundraising events
$22,532
Net income from sales of inventory
$7,452
Other revenue
$80,184

Expenses

Grants and similar amounts paid
$21
Compensation of officers, directors and key employees
$136,159
Other salaries and wages
$161,305
Salaries, compensation and benefits (total)
$350,287
Professional fundraising fees
$0
Accounting fees
$17,628
Occupancy
$24,019
Travel
$999
Program services (functional)
$330,414
Management and general (functional)
$186,410
Fundraising (functional)
$11,326

Balance sheet and other

Total assets, start of year
$7,434,524
Total assets, end of year
$8,193,998
Total liabilities, end of year
$11,502
Net assets, end of year
$8,182,496
Land, buildings and equipment
$4,058,000
Publicly traded securities
$3,460,671
Net assets without donor restrictions
$4,706,772
Net assets with donor restrictions
$3,475,724
Gross receipts
$669,849
Employees
5
Volunteers
65
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 June 30, 2025, highest compensation first.

NameTitleHours / weekCompensationOther / benefits
Carol MirandaDirector of Horticulture
Trustee or director
40$77,932$6,000
Carolyn CoxExecutive Director
Trustee or director
24$52,203$0
Pam SturgeonPresident
Trustee or director, Officer
4$0$0
Susan DunnTreasurer
Trustee or director, Officer
4$0$0
Janet EggerSecretary
Trustee or director, Officer
4$0$0
Charles OgburnTrustee
Trustee or director
1$0$0
Langdon MillerTrustee
Trustee or director
1$0$0
Ruth KagiTrustee
Trustee or director
1$0$0
Katherine DunnTrustee
Trustee or director
1$0$0
Alan RowbergTrustee
Trustee or director
1$0$0
Melanie DaviesTrustee
Trustee or director
1$0$0
Gil JoyntTrustee
Trustee or director
1$0$0
Connor HoodTrustee
Trustee or director
1$0$0
990 for the year ended June 30, 2024: 12 people
NameTitleHours / weekCompensation
Carolyn CoxExecutive Director
Trustee or director
24$52,203
Pam SturgeonPresident
Trustee or director, Officer
4$0
Susan DunnTreasurer
Trustee or director, Officer
4$0
Janet EggerSecretary
Trustee or director, Officer
4$0
Charles OgburnTrustee
Trustee or director
1$0
Langdon MillerTrustee
Trustee or director
1$0
Ruth KagiTrustee
Trustee or director
1$0
Katherine DunnTrustee
Trustee or director
1$0
Alan RowbergTrustee
Trustee or director
1$0
Melanie DaviesTrustee
Trustee or director
1$0
Gil JoyntTrustee
Trustee or director
2$0
Connor HoodTrustee
Trustee or director
1$0
990 for the year ended June 30, 2023: 11 people
NameTitleHours / weekCompensation
Carolyn CoxExecutive Director
Trustee or director
24$42,462
Pam SturgeonPresident
Trustee or director, Officer
4$0
Charles OgburnVice President
Trustee or director, Officer
2$0
Susan DunnTreasurer
Trustee or director, Officer
4$0
Janet EggerSecretary
Trustee or director, Officer
4$0
Langdon MillerTrustee
Trustee or director
1$0
Ruth KagiTrustee
Trustee or director
1$0
Katherine DunnTrustee
Trustee or director
1$0
Alan RowbergTrustee
Trustee or director
2$0
Melanie DaviesTrustee
Trustee or director
1$0
Gil JoyntTrustee
Trustee or director
4$0

Address and contacts

Address (IRS master file)
13533 NORTHSHIRE RD NW, SEATTLE, WA 98177-4033
Principal officer (990 for 2024)
Carolyn Cox, 13533 Northshire Rd NW, Seattle, WA 98177
Signed the 990
Carolyn Cox, Executive Director
Phone
(206) 362-0933

Mission

We preserve and enhance Dunn Gardens as a public resource, celebrating the original 1915 Olmsted design and showcasing the evolution of garden design in the Pacific Northwest.

990 for the year ended June 30, 2025

Program accomplishments

  • Garden Maintenance and Operation. The E.B. Dunn Historic Garden Trust preserves, maintains, and operates the gardens and facilities of a 7.5 acre historic landscape. Approximately 1,300 people visited the gardens this year. 184 of these visitors received a docent led tour where they received plant, garden design, and Olmsted garden information from the docents.
    Expenses $318,235 · revenue $27,789
  • Docents, Lectures, and Classes: The Dunn Gardens has a very active docent program. The docents are trained regularly through lectures, field trips, and workshops. Classes are also held in the gardens in conjunction with horticulture experts to share expertise and create additional learning opportunities for a wide community audience.
    Expenses $9,793 · revenue $10,010
  • The Dunn Gardens hosts several special events every year. These include corporate retreats, weddings, non-profit luncheons, and special classes. The Garden provides a beautiful peaceful location for events while exposing guests to historical garden design and conservation.
    Expenses $2,386 · revenue $27,892

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 June, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025June 30, 2026November 16, 2026Not due yet
2024June 30, 2025November 17, 2025990 on file
2023June 30, 2024November 15, 2024990 on file

IRS record

EIN
91-1589720
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
1993
Accounting year ends
June
Files
Form 990 or 990-EZ
Assets (IRS master file)
$8,193,998
Income (IRS master file)
$669,849

Filing history

FormYear endedRevenueExpensesAssetsReturn
990June 2025$641,772$528,150$8,193,998IRS
990June 2024$480,872$530,168$7,434,524IRS
990June 2023$560,617$485,953$7,754,926XML
990June 2022$756,350$376,103$6,446,547IRS
990June 2021–––IRS
990June 2020–––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 91-1589720).

Questions about E B DUNN HISTORIC GARDEN TRUST

What is the EIN of E B DUNN HISTORIC GARDEN TRUST?
The employer identification number (EIN) of E B DUNN HISTORIC GARDEN TRUST is 91-1589720.
Is E B DUNN HISTORIC GARDEN TRUST tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1993.
Are donations to E B DUNN HISTORIC GARDEN TRUST tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does E B DUNN HISTORIC GARDEN TRUST 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 E B DUNN HISTORIC GARDEN TRUST due?
The return for tax year 2025 (the year ending June 30, 2026) is due November 16, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
When did E B DUNN HISTORIC GARDEN TRUST last file with the IRS?
The latest return in the IRS public files is the 990 for the year ended June 2025.
Who is the principal officer of E B DUNN HISTORIC GARDEN TRUST?
The 990 for the year ended June 30, 2025 names Carolyn Cox.
Who are the officers and directors of E B DUNN HISTORIC GARDEN TRUST?
The 990 for the year ended June 30, 2025 lists 13 people; 2 received compensation from the organization, the highest $77,932 (Carol Miranda, Director of Horticulture).
How much revenue does E B DUNN HISTORIC GARDEN TRUST have?
On its 990 for the year ended June 30, 2025 it reported revenue of $641,772, expenses of $528,150 and total assets of $8,193,998 at year end.

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