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Nonprofit · EIN 51-0141794

WISCONSIN SOCIETY OF LAND SURVEYORS

Tax-exempt · MADISON, WI 53703

Financials

$220K$210K2023$222K$198K2024$247K$229K2025
Revenue Expenses · by fiscal year end
Financials of WISCONSIN SOCIETY OF LAND SURVEYORS by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990$246,763$229,329$17,434$586,493$0$586,493
December 31, 2024990$221,859$197,694$24,165$562,916$0$562,916
December 31, 2023990$220,441$209,608$10,833$537,312$0$537,312
Financial details: 990 for the year ended December 31, 2025

Revenue

Contributions, gifts and grants
$153,211
Membership dues
$153,060
Program service revenue
$80,928
Investment income
$12,624
Other revenue
$0

Expenses

Grants and similar amounts paid
$0
Salaries, compensation and benefits (total)
$0
Professional fundraising fees
$0
Legal fees
$500
Program services (functional)
$137,131
Management and general (functional)
$92,198

Balance sheet and other

Total assets, start of year
$562,916
Total assets, end of year
$586,493
Total liabilities, end of year
$0
Net assets, end of year
$586,493
Publicly traded securities
$237,046
Net assets without donor restrictions
$586,493
Gross unrelated business income
$12,624
Gross receipts
$246,763
Employees
0
Volunteers
100
Year formed
2002
State of legal domicile
WI

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
Peter WelchExecutive Director
Institutional trustee
40$0
Jim SehloffPresident
Trustee or director, Officer
10$0
Ryan DuckartPresident-Elect
Trustee or director, Officer
5$0
Aaron BallastTreasurer
Trustee or director, Officer
5$0
Jeff DeMuthAt-Large Director
Trustee or director
3$0
Howard HerrildNSPS Director
Trustee or director
3$0
Eric SchootCentral Chapter
Trustee or director
3$0
Julius SmithMadison Chapter
Trustee or director
3$0
Dan BednarSociety of SE WI Land
Trustee or director
3$0
Jacob JensenNortheast Chapter
Trustee or director
3$0
Diane ArendtNorth Lakes Chapter
Trustee or director
3$0
Chris BadtkeNorthwest Chapter
Trustee or director
3$0
Mick BerleinSoutheast Chapter
Trustee or director
3$0
Jeanette HarleyWestern Chapter
Trustee or director
3$0
Connor ChirstophersonYoung Network
Trustee or director
3$0
1 more people on this return
NameTitleHours / weekCompensation
Past-PresidentJosh Prentice
Trustee or director
3$0
990 for the year ended December 31, 2024: 16 people
NameTitleHours / weekCompensation
Robert WelchExecutive Director
Institutional trustee
40$0
Jim SehloffPresident
Trustee or director, Officer
10$0
Ryan DuckartPresident-Elect
Trustee or director, Officer
5$0
Aaron BallastTreasurer
Trustee or director, Officer
5$0
Jeff DeMuthAt-Large Director
Trustee or director
3$0
Howard HerrildNSPS Director
Trustee or director
3$0
Eric SchootCentral Chapter
Trustee or director
3$0
Julius SmithMadison Chapter
Trustee or director
3$0
Dan BednarSociety of SE WI Land
Trustee or director
3$0
Jacob JensenNortheast Chapter
Trustee or director
3$0
Diane ArendtNorth Lakes Chapter
Trustee or director
3$0
Chris BadtkeNorthwest Chapter
Trustee or director
3$0
Mick BerleinSoutheast Chapter
Trustee or director
3$0
Jeanette HarleyWestern Chapter
Trustee or director
3$0
Connor ChirstophersonYoung Network
Trustee or director
3$0
Past-PresidentJosh Prentice
Trustee or director
3$0
990 for the year ended December 31, 2023: 16 people
NameTitleHours / weekCompensation
Robert WelchExecutive Director
Institutional trustee
40$0
Jim SehloffPresident
Trustee or director, Officer
10$0
Ryan DuckartPresident-Elect
Trustee or director, Officer
5$0
Aaron BallastTreasurer
Trustee or director, Officer
5$0
Jeff DeMuthAt-Large Director
Trustee or director
3$0
Howard HerrildNSPS Director
Trustee or director
3$0
Eric SchootCentral Chapter
Trustee or director
3$0
Julius SmithMadison Chapter
Trustee or director
3$0
Dan BednarSociety of SE WI Land
Trustee or director
3$0
Jacob JensenNortheast Chapter
Trustee or director
3$0
Diane ArendtNorth Lakes Chapter
Trustee or director
3$0
Chris BadtkeNorthwest Chapter
Trustee or director
3$0
Mick BerleinSoutheast Chapter
Trustee or director
3$0
Jeanette HarleyWestern Chapter
Trustee or director
3$0
Connor ChirstophersonYoung Network
Trustee or director
3$0
Past-PresidentJosh Prentice
Trustee or director
3$0

Address and contacts

Address (IRS master file)
2 E MIFFLIN STREET, MADISON, WI 53703-2889
In care of
% FRANCIS R THOUSAND
Principal officer (990 for 2025)
Peter Welch, 2 E MIFFLIN ST STE 804, Madison, WI 53703
Signed the 990
Peter Welch, Executive Director
Phone
(608) 819-0150
Return prepared by
STATZ ACCOUNTING & TAX SERVICES LLC

Mission

The Wisconsin Society of Land Surveyors is a Statewide Organization Representing the majority of the land surveyors licensed to practice in Wisconsin. WSLS was founded in 1952 as a Professional Organization

990 for the year ended December 31, 2025

Program accomplishments

  • Annual Contribution to the WSLS Foundation to provide scholarships to students working towards licensing.
  • Annual institute providing continuing education opportunities to land surveys, both members and non-members.
  • Trig-Star - Trigonometry Exam for high school students. Expenses including cash prizes and plaques.

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
51-0141794
Tax-exempt status
501(c)(6): Business league or chamber of commerce
Donations deductible
No
Exempt since
1975
Accounting year ends
December
Files
Form 990 or 990-EZ
Assets (IRS master file)
$586,493
Income (IRS master file)
$246,763

Filing history

FormYear endedRevenueExpensesAssetsReturn
990December 2025$246,763$229,329$586,493IRS
990December 2024$221,859$197,694$562,916IRS
990December 2023$220,441$209,608$537,312XML
990December 2022$179,269$190,990$526,479IRS
990December 2021–––IRS
990-EZDecember 2020–––IRS
990-EZDecember 2019–––IRS
990-EZDecember 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 51-0141794).

Questions about WISCONSIN SOCIETY OF LAND SURVEYORS

What is the EIN of WISCONSIN SOCIETY OF LAND SURVEYORS?
The employer identification number (EIN) of WISCONSIN SOCIETY OF LAND SURVEYORS is 51-0141794.
Is WISCONSIN SOCIETY OF LAND SURVEYORS tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(6) since 1975.
Are donations to WISCONSIN SOCIETY OF LAND SURVEYORS tax-deductible?
No. The IRS master file says contributions to it are not deductible.
Which annual return does WISCONSIN SOCIETY OF LAND SURVEYORS 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 WISCONSIN SOCIETY OF LAND SURVEYORS 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 WISCONSIN SOCIETY OF LAND SURVEYORS 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 WISCONSIN SOCIETY OF LAND SURVEYORS?
The 990 for the year ended December 31, 2025 names Peter Welch.
Who are the officers and directors of WISCONSIN SOCIETY OF LAND SURVEYORS?
The 990 for the year ended December 31, 2025 lists 16 people; 0 received compensation from the organization.
How much revenue does WISCONSIN SOCIETY OF LAND SURVEYORS have?
On its 990 for the year ended December 31, 2025 it reported revenue of $246,763, expenses of $229,329 and total assets of $586,493 at year end.

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