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Nonprofit · EIN 43-6065329

THE OPEN SPACE COUNCIL FOR THE ST LOUIS REGION

Tax-exempt · SAINT LOUIS, MO 63122

Financials

$563K$204K2023$392K$357K2024$1.4M$1M2025
Revenue Expenses · by fiscal year end
Financials of THE OPEN SPACE COUNCIL FOR THE ST LOUIS REGION by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990$1,358,825$1,029,609$329,216$1,877,984$119,957$1,758,027
December 31, 2024990$391,754$356,825$34,929$1,634,735$263,143$1,371,592
December 31, 2023990$562,619$204,137$358,482$1,859,395$256,779$1,602,616
Financial details: 990 for the year ended December 31, 2025

Revenue

Contributions, gifts and grants
$1,229,628
Membership dues
$177,248
Program service revenue
$32,766
Investment income
$86,397
Net gain from sales of assets
$53,873
Other revenue
$10,034

Expenses

Grants and similar amounts paid
$0
Compensation of officers, directors and key employees
$70,513
Other salaries and wages
$172,160
Salaries, compensation and benefits (total)
$264,396
Professional fundraising fees
$0
Accounting fees
$8,953
Occupancy
$9,900
Travel
$6,632
Program services (functional)
$928,225
Management and general (functional)
$68,385
Fundraising (functional)
$32,999

Balance sheet and other

Total assets, start of year
$1,634,735
Total assets, end of year
$1,877,984
Total liabilities, end of year
$119,957
Net assets, end of year
$1,758,027
Land, buildings and equipment
$312,000
Publicly traded securities
$1,295,163
Net assets without donor restrictions
$1,758,027
Gross receipts
$1,358,825
Employees
6
Volunteers
3,113
Year formed
1965
State of legal domicile
MO

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
Bonnie HarperExecutive Dir.
Officer
40$44,436
Scott EmmelkampPresident
Trustee or director, Officer
6$0
David WilsonVice President
Trustee or director, Officer
3$0
Donna CobleTreasurer
Trustee or director, Officer
3$0
Davis Biggs JrDirector
Trustee or director
3$0
Kiegan BaranskiDirector
Trustee or director
3$0
Laura BeirutDirector
Trustee or director
3$0
Dave BrownDirector
Trustee or director
3$0
Larry CainDirector
Trustee or director
3$0
Scott GeorgeDirector
Trustee or director
3$0
Don GerlingDirector
Trustee or director
3$0
Matt GreenDirector
Trustee or director
3$0
Angela LavinDirector
Trustee or director
3$0
Nigel LongDirector
Trustee or director
3$0
Adam RembertDirector
Trustee or director
3$0
7 more people on this return
NameTitleHours / weekCompensation
Stephanie SchrageDirector
Trustee or director
3$0
Tanner SuttonDirector
Trustee or director
3$0
Ryan WilsonDirector
Trustee or director
3$0
Matt WisniewskiDirector
Trustee or director
3$0
Susan ChristieSecretary
Trustee or director
3$0
Lloyd JohnsonDirector
Trustee or director
3$0
Darwin HarrisDirector
Trustee or director
3$0
990 for the year ended December 31, 2024: 23 people
NameTitleHours / weekCompensation
Bonnie HarperExecutive Dir.
Officer
40$43,260
Scott EmmelkampPresident
Trustee or director, Officer
6$0
David WilsonVice President
Trustee or director, Officer
3$0
Aryn RehbeinVice President
Trustee or director, Officer
3$0
Donna CobleTreasurer
Trustee or director, Officer
3$0
Davis Biggs JrDirector
Trustee or director
3$0
Kiegan BaranskiDirector
Trustee or director
3$0
Laura BeirutDirector
Trustee or director
3$0
Dave BrownDirector
Trustee or director
3$0
Gerald BrownDirector
Trustee or director
3$0
Larry CainDirector
Trustee or director
3$0
Darrel GableDirector
Trustee or director
3$0
Scott GeorgeDirector
Trustee or director
3$0
Don GerlingDirector
Trustee or director
3$0
Matt GreenDirector
Trustee or director
3$0
Angela LavinDirector
Trustee or director
3$0
Nigel LongDirector
Trustee or director
3$0
Brian PetersDirector
Trustee or director
3$0
Adam RembertDirector
Trustee or director
3$0
Stephanie SchrageDirector
Trustee or director
3$0
Tanner SuttonDirector
Trustee or director
3$0
Ryan WilsonDirector
Trustee or director
3$0
Matt WisniewskiDirector
Trustee or director
3$0
990 for the year ended December 31, 2023: 23 people
NameTitleHours / weekCompensation
Bonnie HarperExecutive Director
Officer
40$44,436
Scott EmmelkampPresident
Trustee or director, Officer
6$0
David WilsonVice-President
Trustee or director, Officer
3$0
Dennis Wilhelmi2nd Vice-President
Trustee or director, Officer
3$0
Donna CobleTreasurer
Trustee or director, Officer
3$0
Susan ChristieSecretary
Trustee or director, Officer
3$0
Adam RembertBoard Member
Trustee or director
3$0
Aryn RehbeinBoard Member
Trustee or director
3$0
Brian PetersBoard Member
Trustee or director
3$0
Darrel GabelBoard Member
Trustee or director
3$0
Dave BrownBoard Member
Trustee or director
3$0
Don GerlingBoard Member
Trustee or director
3$0
Gene NickasonBoard Member
Trustee or director
3$0
Gerald BrownBoard Member
Trustee or director
3$0
Keigan BaranskiBoard Member
Trustee or director
3$0
Kirk LambrechtBoard Member
Trustee or director
3$0
Larry CainBoard Member
Trustee or director
3$0
Laura BeirutBoard Member
Trustee or director
3$0
Matt GreenBoard Member
Trustee or director
3$0
Ryan WilsonBoard Member
Trustee or director
3$0
Scott GeorgeBoard Member
Trustee or director
3$0
Stephanie SchrageBoard Member
Trustee or director
3$0
Davis Biggs JrEmeritus Board Member
Trustee or director
3$0

Address and contacts

Address (IRS master file)
PO BOX 220011, SAINT LOUIS, MO 63122-0011
In care of
% D BIGGS
Principal officer (990 for 2025)
Bonnie Harper, 12450 W WATSON RD, SAINT LOUIS, MO 63127
Signed the 990
Bonnie Harper, Executive Director
Phone
(314) 835-9225
Return prepared by
Bethsaida Consulting Group LLC

Mission

Founded in 1965, the Open Space Council works independently and collaboratively to conserve and sustain land, water and other natural resources throughout the St. Louis Region.

990 for the year ended December 31, 2025

Program accomplishments

  • Land preservation and acquisition: working with the Missouri Department of Conservation, Open Space STL helped protect 15 additional acres and 3,000 feet of stream frontage along a pristine tributary of the Meramec River, expanding the LaBarque Creek Conservation Area in Jefferson County to 1,285 acres. The organization also secured a conservation easement permanently protecting more than two acres of woodland and is pursuing protection of land adjacent to Suson Park and Bluff View Park. Since 1965, Open Space STL has helped preserve more than 10,000 acres of open space.
    Expenses $468,852 · grants $361,163
  • Other program related activities
    Expenses $313,597
  • Operation Clean Stream: during the 58th annual cleanup, over 1,000 volunteers removed more than 20 tons of trash, nearly 8,000 pounds of metal, and 779 tires from the Meramec Watershed and local streams.
    Expenses $57,820
  • Trash Bash had 1328 volunteers to remove 11.2 tons of trash from local waterways.
    Expenses $45,011
  • Community Stewardship Alliance had 573 volunteers contributed to habitat restoration in local parks through invasive species removal, willow staking, tree plantings and pollinator garden maintenance.
    Expenses $42,945

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
43-6065329
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
1967
Accounting year ends
December
Files
Form 990 or 990-EZ
Category (NTEE)
Environment (C340)
Assets (IRS master file)
$1,877,984
Income (IRS master file)
$1,358,825

Filing history

FormYear endedRevenueExpensesAssetsReturn
990December 2025$1,358,825$1,029,609$1,877,984XML
990December 2024$391,754$356,825$1,634,735XML
990December 2023$562,619$204,137$1,859,395XML
990December 2022$205,276$229,260$1,433,330IRS
990December 2021–––IRS
990December 2020–––IRS
990December 2019–––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 43-6065329).

Questions about THE OPEN SPACE COUNCIL FOR THE ST LOUIS REGION

What is the EIN of THE OPEN SPACE COUNCIL FOR THE ST LOUIS REGION?
The employer identification number (EIN) of THE OPEN SPACE COUNCIL FOR THE ST LOUIS REGION is 43-6065329.
Is THE OPEN SPACE COUNCIL FOR THE ST LOUIS REGION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1967.
Are donations to THE OPEN SPACE COUNCIL FOR THE ST LOUIS REGION tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does THE OPEN SPACE COUNCIL FOR THE ST LOUIS REGION 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 THE OPEN SPACE COUNCIL FOR THE ST LOUIS REGION 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 THE OPEN SPACE COUNCIL FOR THE ST LOUIS REGION 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 THE OPEN SPACE COUNCIL FOR THE ST LOUIS REGION?
The 990 for the year ended December 31, 2025 names Bonnie Harper.
Who are the officers and directors of THE OPEN SPACE COUNCIL FOR THE ST LOUIS REGION?
The 990 for the year ended December 31, 2025 lists 22 people; 1 received compensation from the organization, the highest $44,436 (Bonnie Harper, Executive Dir.).
How much revenue does THE OPEN SPACE COUNCIL FOR THE ST LOUIS REGION have?
On its 990 for the year ended December 31, 2025 it reported revenue of $1,358,825, expenses of $1,029,609 and total assets of $1,877,984 at year end.

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