Nonprofit · EIN 91-6067924
LAKE WILDERNESS ARBORETUM FOUNDATION
Tax-exempt · MAPLE VALLEY, WA 98038
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990 | $173,520 | $133,339 | $40,181 | $244,256 | $18,985 | $225,271 |
| December 31, 2024 | 990 | $158,337 | $131,004 | $27,333 | $182,808 | $6,409 | $176,399 |
| December 31, 2023 | 990-EZ | $183,432 | $190,650 | -$7,218 | $148,989 | $5,425 | $143,564 |
Financial details: 990 for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $153,377
- of which government grants
- $112,670
- Membership dues
- $1,725
- Program service revenue
- $0
- Investment income
- $272
- Net income from fundraising events
- $15,471
- Other revenue
- $19,871
Expenses
- Grants and similar amounts paid
- $0
- Compensation of officers, directors and key employees
- $73,772
- Salaries, compensation and benefits (total)
- $81,870
- Professional fundraising fees
- $0
- Accounting fees
- $1,381
- Occupancy
- $25,317
- Depreciation
- $451
- Program services (functional)
- $24,095
- Management and general (functional)
- $42,807
Balance sheet and other
- Total assets, start of year
- $182,808
- Total assets, end of year
- $244,256
- Total liabilities, end of year
- $18,985
- Net assets, end of year
- $225,271
- Land, buildings and equipment
- $5,702
- Publicly traded securities
- $103,311
- Net assets without donor restrictions
- $225,270
- Gross receipts
- $212,778
- Employees
- 3
- Volunteers
- 12
- Year formed
- 1965
- 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.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Susan Goodell | Director Highest-paid employee | 35 | $38,807 |
| Todd Tschimperle | Grounds Maintenance Key employee | 15 | $29,837 |
| Shaunna G Kipling | Grounds Maintenance Key employee | 10 | $5,047 |
| Kristin Haapasaari | President Officer | 20 | $0 |
| Ron Groepper | Vice President Officer | 2 | $0 |
| Diane Barnes | Secretary Officer | 3 | $0 |
| Kim Holben | Treasurer Officer | 4 | $0 |
| Vicki Cunningham | Board Member Trustee or director | 1 | $0 |
| Karin Taylor | Board Member Trustee or director | 1 | $0 |
| Stephanie Hofferber | Board Member Trustee or director | 4 | $0 |
990 for the year ended December 31, 2024: 9 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Susan Goodell | Director Highest-paid employee | 35 | $34,841 |
| Todd Tschimperle | Grounds Maintenance Key employee | 15 | $25,932 |
| Shaunna G Kipling | Grounds Maintenance Key employee | 10 | $6,797 |
| Kristin Haapasaari | President Officer | 20 | $0 |
| Ron Groepper | Vice President Officer | 2 | $0 |
| Diane Barnes | Secretary Officer | 3 | $0 |
| Kim Holben | Treasurer Officer | 4 | $0 |
| Vicki Cunningham | Board Member Trustee or director | 5 | $0 |
| Karin Taylor | Board Member Trustee or director | 1 | $0 |
990-EZ for the year ended December 31, 2023: 12 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Susan Goodell | Director | 35 | $33,889 |
| Todd Tschimperle | Grounds Maintenance | 15 | $23,647 |
| Shaunna G Kipling | Grounds Maintenance | 5 | $4,121 |
| Michael Heller | Grounds Maintenance | 0 | $744 |
| Erik C Omtvelt | Grounds Maintenance | 0 | $342 |
| Kristin Haapasaari | President | 20 | $0 |
| Ron Groepper | Vice President | 2 | $0 |
| Diane Barnes | Secretary | 3 | $0 |
| Kim Holben | Treasurer | 4 | $0 |
| Vicki Cunningham | Board Member | 5 | $0 |
| Karin Taylor | Board Member | 1 | $0 |
| Stephanie Hofferber | Board Member | 3 | $0 |
Address and contacts
- Address (IRS master file)
- 22520 SE 248TH ST, MAPLE VALLEY, WA 98038-6008
- In care of
- % KIM HOLBEN
- Principal officer (990 for 2025)
- Kim Holben, 22506 SE 286th St, Maple Valley, WA 98038
- Signed the 990
- Kim Holben, Treasurer
- Phone
- (253) 293-5103
Mission
Develop enhance and maintain 40 acres of public land to provide a setting where the can enjoy study nature and to cultivate an ecosystem.
Program accomplishments
- StoryWalkExpenses $5,775 · grants $2,500
- Perennial ArborExpenses $2,327 · grants $2,700
- Garden enhancements nursery improvements metal art animals fencing & miscellaneousExpenses $15,993
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 year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | December 31, 2025 | May 15, 2026 | 990 on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990 on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990-EZ on file |
IRS record
- EIN
- 91-6067924
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Publicly supported organization (509(a)(2))
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 1966
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Assets (IRS master file)
- $244,256
- Income (IRS master file)
- $212,778
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2025 | $173,520 | $133,339 | $244,256 | IRS |
| 990 | December 2024 | $158,337 | $131,004 | $182,808 | IRS |
| 990-EZ | December 2023 | $183,432 | $190,650 | $148,989 | XML |
| 990-EZ | December 2022 | – | – | – | IRS |
| 990-EZ | December 2021 | – | – | – | 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 91-6067924).
Questions about LAKE WILDERNESS ARBORETUM FOUNDATION
- What is the EIN of LAKE WILDERNESS ARBORETUM FOUNDATION?
- The employer identification number (EIN) of LAKE WILDERNESS ARBORETUM FOUNDATION is 91-6067924.
- Is LAKE WILDERNESS ARBORETUM FOUNDATION tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1966.
- Are donations to LAKE WILDERNESS ARBORETUM FOUNDATION tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does LAKE WILDERNESS ARBORETUM FOUNDATION 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 LAKE WILDERNESS ARBORETUM FOUNDATION 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 LAKE WILDERNESS ARBORETUM FOUNDATION 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 LAKE WILDERNESS ARBORETUM FOUNDATION?
- The 990 for the year ended December 31, 2025 names Kim Holben.
- Who are the officers and directors of LAKE WILDERNESS ARBORETUM FOUNDATION?
- The 990 for the year ended December 31, 2025 lists 10 people; 3 received compensation from the organization, the highest $38,807 (Susan Goodell, Director).
- How much revenue does LAKE WILDERNESS ARBORETUM FOUNDATION have?
- On its 990 for the year ended December 31, 2025 it reported revenue of $173,520, expenses of $133,339 and total assets of $244,256 at year end.
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