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Nonprofit · EIN 45-4808363

UNDERDOG PET RESCUE OF WISCONSIN INC

Tax-exempt · MADISON, WI 53716

Financials

$1.2M$1.2M2023$1.4M$1.5M2024$1.9M$1.5M2025
Revenue Expenses · by fiscal year end
Financials of UNDERDOG PET RESCUE OF WISCONSIN INC by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990$1,857,636$1,533,142$324,494$978,343$657,940$320,403
December 31, 2024990$1,386,164$1,528,732-$142,568$799,512$803,603-$4,091
December 31, 2023990$1,201,210$1,244,132-$42,922$661,802$523,325$138,477
Financial details: 990 for the year ended December 31, 2025

Revenue

Contributions, gifts and grants
$857,231
Program service revenue
$1,004,599
Investment income
$1,024
Net income from fundraising events
-$15,460
Net income from sales of inventory
$10,117
Other revenue
-$5,218

Expenses

Grants and similar amounts paid
$0
Compensation of officers, directors and key employees
$87,610
Other salaries and wages
$663,072
Salaries, compensation and benefits (total)
$870,181
Professional fundraising fees
$0
Accounting fees
$36,500
Occupancy
$45,606
Travel
$15,826
Depreciation
$52,926
Program services (functional)
$1,282,852
Management and general (functional)
$248,402
Fundraising (functional)
$1,888

Balance sheet and other

Total assets, start of year
$799,512
Total assets, end of year
$978,343
Total liabilities, end of year
$657,940
Net assets, end of year
$320,403
Land, buildings and equipment
$779,870
Net assets without donor restrictions
$176,900
Net assets with donor restrictions
$143,503
Gross receipts
$1,892,619
Employees
28
Volunteers
400
Year formed
2012
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 / weekCompensationOther / benefits
LAUREN BRINKMANEXECUTIVE DIRECTOR
Officer
40$68,941$18,667
MELISSA BURCHELL-DOGRACHAIR
Trustee or director, Officer
10$0$0
TRACY BUGLASSVICE CHAIR
Trustee or director, Officer
5$0$0
STEVE TICKNORTREASURER
Trustee or director, Officer
2$0$0
DIANE FREMGENSECRETARY
Trustee or director, Officer
5$0$0
AUTUMN NERODIRECTOR
Trustee or director
2$0$0
RAVEN STORMDIRECTOR
Trustee or director
2$0$0
SIGRID FANALEDIRECTOR
Trustee or director
2$0$0
LAUREN TOLER SRDIRECTOR
Trustee or director
2$0$0
AMY CALLAHANDIRECTOR
Trustee or director
2$0$0
NATALEE CRUSEDIRECTOR
Trustee or director
5$0$0
990 for the year ended December 31, 2024: 12 people
NameTitleHours / weekCompensationOther / benefits
LAUREN BRINKMANEXECUTIVE DIRECTOR
Officer
40$64,419$16,500
MELISSA BURCHELL-DOGRACHAIR
Trustee or director, Officer
5$0$0
DUANE MCELVAINVICE CHAIR
Trustee or director, Officer
1$0$0
LAUREN TOLERTREASURER
Trustee or director, Officer
2$0$0
STEVE TICKNORSECRETARY
Trustee or director, Officer
2$0$0
MIA HICKSDIRECTOR
Trustee or director
2$0$0
JENNIFER WHETSTONEDIRECTOR
Trustee or director
5$0$0
HOLLY JAEGERDIRECTOR
Trustee or director
1$0$0
SIGRID FANALEDIRECTOR
Trustee or director
1$0$0
TRACY BUGLASSDIRECTOR
Trustee or director
1$0$0
AMY CALLAHANDIRECTOR
Trustee or director
1$0$0
DIANE FREMGENDIRECTOR
Trustee or director
1$0$0
990 for the year ended December 31, 2023: 9 people
NameTitleHours / weekCompensationOther / benefits
LAUREN BRINKMANEXECUTIVE DIRECTOR
Officer
40$61,356$12,826
MELISSA BURCHELL-DOGRACHAIR
Trustee or director, Officer
5$0$0
DUANE MCELVAINVICE CHAIR
Trustee or director, Officer
1$0$0
LAUREN TOLERTREASURER
Trustee or director, Officer
2$0$0
STEVE TICKNORSECRETARY
Trustee or director, Officer
2$0$0
MIA HICKSDIRECTOR
Trustee or director
2$0$0
JENNIFER WHETSTONEDIRECTOR
Trustee or director
5$0$0
HOLLY JAEGERDIRECTOR
Trustee or director
1$0$0
SIGRID FANALEDIRECTOR
Trustee or director
1$0$0

Address and contacts

Address (IRS master file)
2508 S STOUGHTON RD, MADISON, WI 53716-3318
In care of
% LAUREN WOJTASIAK
Mailing address (990-N for 2013)
PO Box 6181, Monona WI 53716
Principal officer (990 for 2025)
LAUREN BRINKMAN, 2508 S STOUGHTON ROAD, MADISON, WI 53716
Principal officer (990-N for 2013)
Michael Wojtasiak, 1304 MATHYS RD, Monona WI 53716
Signed the 990
LAUREN BRINKMAN, EXECUTIVE DIRECTOR
Phone
(608) 224-0018
Return prepared by
JOHNSON BLOCK & CO INC

Mission

UNDERDOG PET RESCUE IS AN ALL-BREED COMPANION ANIMAL RESCUE AND AFFORDABLE VETERINARY CLINIC BASED IN MADISON, WISCONSIN. WE BRING MOBILE VETERINARY SERVICES THROUGHOUT THE STATE TO HELP SHELTERS AND INDIVIDUALS WITH OUR SPAY AND NEUTER SERVICES. OUR MISSION IS TO FIND PERMANENT HOMES FOR ANIMALS IN NEED, AND TO ENRICH LIVES BY STRENGTHENING THE CONNECTION BETWEEN ANIMALS AND PEOPLE THROUGH COMMUNITY SERVICES AND OUTREACH.

990 for the year ended December 31, 2025

Program accomplishments

  • VET SERVICES PROVIDED TO RESCUE ANIMALS AND PUBLICLY OWNED ANIMALS, WITH SPECIAL FOCUS ON HELPING LOW INCOME FAMILIES AND THOSE EXPERIENCING OR AT RISK OF HOMELESSNESS.
    Expenses $962,139 · revenue $767,442
  • RESCUE AND ADOPTION SERVICES OF MAINLY CATS AND DOGS. DURING 2025, OUR ORGANIZATION REHOMED APPROXIMATELY 1100 DOMESTICATED ANIMALS FROM HIGH VOLUME SHELTERS ACROSS THE UNITED STATES, WHERE PETS FACE EUTHANASIA WHEN SPACE RUNS OUT.
    Expenses $320,713 · revenue $237,157

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
45-4808363
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
2012
Accounting year ends
December
Files
Form 990 or 990-EZ
Category (NTEE)
Animal-related (D20)
Assets (IRS master file)
$978,343
Income (IRS master file)
$1,892,619

Filing history

FormYear endedRevenueExpensesAssetsReturn
990December 2025$1,857,636$1,533,142$978,343XML
990December 2024$1,386,164$1,528,732$799,512XML
990December 2023$1,201,210$1,244,132$661,802XML
990December 2022$1,094,992$1,027,533$224,017IRS
990December 2021–––IRS
990December 2020–––IRS
990December 2019–––IRS
990December 2018–––IRS
990-N for 2013
Officer: Michael Wojtasiak
December 31, 2013≤ $50,000 receipts––e-Postcard

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 45-4808363).

Questions about UNDERDOG PET RESCUE OF WISCONSIN INC

What is the EIN of UNDERDOG PET RESCUE OF WISCONSIN INC?
The employer identification number (EIN) of UNDERDOG PET RESCUE OF WISCONSIN INC is 45-4808363.
Is UNDERDOG PET RESCUE OF WISCONSIN INC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2012.
Are donations to UNDERDOG PET RESCUE OF WISCONSIN INC tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does UNDERDOG PET RESCUE OF WISCONSIN INC 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 UNDERDOG PET RESCUE OF WISCONSIN INC 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 UNDERDOG PET RESCUE OF WISCONSIN INC 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 UNDERDOG PET RESCUE OF WISCONSIN INC?
The 990 for the year ended December 31, 2025 names LAUREN BRINKMAN.
Who are the officers and directors of UNDERDOG PET RESCUE OF WISCONSIN INC?
The 990 for the year ended December 31, 2025 lists 11 people; 1 received compensation from the organization, the highest $68,941 (LAUREN BRINKMAN, EXECUTIVE DIRECTOR).
How much revenue does UNDERDOG PET RESCUE OF WISCONSIN INC have?
On its 990 for the year ended December 31, 2025 it reported revenue of $1,857,636, expenses of $1,533,142 and total assets of $978,343 at year end.

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