Nonprofit · EIN 39-1212338
HISTORIC MILWAUKEE INC
Tax-exempt · MILWAUKEE, WI 53202
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990 | $542,606 | $508,867 | $33,739 | $377,548 | $148,898 | $228,650 |
| December 31, 2024 | 990 | $487,859 | $544,387 | -$56,528 | $380,938 | $186,027 | $194,911 |
| December 31, 2023 | 990 | $438,884 | $477,276 | -$38,392 | $466,144 | $214,705 | $251,439 |
Financial details: 990 for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $273,617
- Membership dues
- $83,066
- Program service revenue
- $174,477
- Investment income
- $2,007
- Net income from fundraising events
- $8,919
- Net income from sales of inventory
- $83,434
- Other revenue
- $92,505
Expenses
- Grants and similar amounts paid
- $0
- Compensation of officers, directors and key employees
- $92,564
- Other salaries and wages
- $171,549
- Salaries, compensation and benefits (total)
- $295,000
- Professional fundraising fees
- $0
- Accounting fees
- $8,900
- Occupancy
- $34,881
- Travel
- $5,395
- Depreciation
- $6,394
- Program services (functional)
- $299,873
- Management and general (functional)
- $130,166
- Fundraising (functional)
- $78,828
Balance sheet and other
- Total assets, start of year
- $380,938
- Total assets, end of year
- $377,548
- Total liabilities, end of year
- $148,898
- Net assets, end of year
- $228,650
- Land, buildings and equipment
- $11,374
- Net assets without donor restrictions
- $217,640
- Net assets with donor restrictions
- $11,010
- Gross receipts
- $630,469
- Employees
- 6
- Volunteers
- 400
- Year formed
- 1974
- 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.
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| STACY SWADISH KOSMATKA | EXECUTIVE DIR. Officer | 40 | $89,761 | $2,802 |
| KIRSTEN THOMPSON | PRESIDENT Trustee or director, Officer | 1 | $0 | $0 |
| KARIN CENSKY | VICE PRESIDENT Trustee or director, Officer | 1 | $0 | $0 |
| BRIAN HATZUNG | SECRETARY Trustee or director, Officer | 1 | $0 | $0 |
| TIM COTTER | TREASURER Trustee or director, Officer | 1 | $0 | $0 |
| AHMAD OMARI | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| JENNIFER BUCHANAN | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| GREGORY DAVIS | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| STEWART DEMPSEY | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| DAVID GRIGGS | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| MASON KHAN | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| STEVE KESSEL | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| KENNETH WIRTH | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| DAVID BRZECZKOWSKI | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| DARLENE REINA | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
990 for the year ended December 31, 2024: 16 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| STACY SWADISH KOSMATKA | EXECUTIVE DIR. Officer | 40 | $87,147 | $2,614 |
| TIM COTTER | PRESIDENT Trustee or director, Officer | 1 | $0 | $0 |
| KIRSTEN THOMPSON | VICE PRESIDENT Trustee or director, Officer | 1 | $0 | $0 |
| BRIAN HATZUNG | SECRETARY Trustee or director, Officer | 1 | $0 | $0 |
| AHMAD OMARI | TREASURER Trustee or director, Officer | 1 | $0 | $0 |
| JENNIFER BUCHANAN | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| KARIN CENSKY | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| GREGORY DAVIS | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| STEWART DEMPSEY | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| DAVID GRIGGS | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| MASON KHAN | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| STEVE KESSEL | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| SHANEEKA WHITE | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| KENNETH WIRTH | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| DAVID BRZECZKOWSKI | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| DARLENE REINA | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
990 for the year ended December 31, 2023: 17 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| STACY SWADISH KOSMATKA | EXECUTIVE DIR. Officer | 40 | $83,795 |
| TIM COTTER | PRESIDENT Trustee or director, Officer | 1 | $0 |
| KIRSTEN THOMPSON | VICE PRESIDENT Trustee or director, Officer | 1 | $0 |
| BRIAN HATZUNG | SECRETARY Trustee or director, Officer | 1 | $0 |
| AHMAD OMARI | TREASURER Trustee or director, Officer | 1 | $0 |
| SARAH GREENBERG | PAST-PRESIDENT Trustee or director, Officer | 1 | $0 |
| JENNIFER BUCHANAN | BOARD MEMBER Trustee or director | 1 | $0 |
| KARIN CENSKY | BOARD MEMBER Trustee or director | 1 | $0 |
| GREGORY DAVIS | BOARD MEMBER Trustee or director | 1 | $0 |
| STEWART DEMPSEY | BOARD MEMBER Trustee or director | 1 | $0 |
| MADELEINE GORDON | BOARD MEMBER Trustee or director | 1 | $0 |
| DAVID GRIGGS | BOARD MEMBER Trustee or director | 1 | $0 |
| MASON KHAN | BOARD MEMBER Trustee or director | 1 | $0 |
| STEVE KESSEL | BOARD MEMBER Trustee or director | 1 | $0 |
| SHANEEKA WHITE | BOARD MEMBER Trustee or director | 1 | $0 |
| KENNETH WIRTH | BOARD MEMBER Trustee or director | 1 | $0 |
| MARGARET HOWLAND | BOARD MEMBER Trustee or director | 1 | $0 |
Address and contacts
- Address (IRS master file)
- 235 E MICHIGAN ST, MILWAUKEE, WI 53202-4902
- Principal officer (990 for 2025)
- KIRSTEN THOMPSON, 235 E MICHIGAN STREET, MILWAUKEE, WI 53202
- Signed the 990
- KIRSTEN THOMPSON, PRESIDENT
- Phone
- (414) 277-7795
- Return prepared by
- RITZ HOLMAN LLP
Mission
HISTORIC MILWAUKEE, INC (HMI) IS A PRIVATE, NON-PROFIT EDUCATIONAL ORGANIZATION, FOUNDED IN 1974, WHOSE MISSION IS DEDICATED TO INCREASING AWARENESS OF, AND COMMITMENT TO MILWAUKEE'S HISTORY, ARCHITECTURE, AND THE PRESERVATION OF OUR BUILT ENVIRONMENT.
Program accomplishments
- SINCE 1974, HISTORIC MILWAUKEE, INC. HAS BEEN DEDICATED TO INCREASING AWARENESS AND COMMITMENT TO MILWAUKEE'S HISTORY, ARCHITECTURE AND THE BUILT ENVIRONMENT. MORE THAN 400 HMI VOLUNTEERS SHARE A LOVE OF HISTORY, MILWAUKEE'S ARCHITECTURAL TREASURES AND THE FUTURE OF OUR CITY. HMI DRAWS ON MORE THAN 50 YEARS OF PROGRAMMING EXPERTISE TO DELIVER ENGAGING AND INFORMATIVE WALKING TOURS, LECTURES, AND OTHER EDUCATIONAL PROGRAMS. TRAINED VOLUNTEERS DELIVER OUR TOURS. WE OFFER WALKING TOURS, STUDENT TOURS AND GROUP AND PRIVATE TOURS. WE PARTNER WITH A BOAT TOUR COMPANY TO STAFF A TOUR OF THE MILWAUKEE RIVER AND LAKE MICHIGAN. WE ARE MILWAUKEE'S ONLY ARTS NONPROFIT OPERATING IN THE ARCHITECTURE AND DESIGN SPHERE AND THE ONLY NONPROFIT TOUR PROVIDER.Expenses $264,736 · revenue $51,460
- SPACES & TRACES WAS HELD IN MAY 2025 AND CELEBRATED THE BREWER'S HILL AND HARAMBEE NEIGHBORHOODS. ATTENDEES VISITED 9 QUEEN ANNE STYLE PROPERTIES AND LEARNED ABOUT ARCHITECTURAL STYLES AND WHAT IT IS LIKE TO LIVE IN THESE HISTORIC HOMES.Expenses $4,744 · revenue $20,556
- THE 15TH ANNUAL DOORS OPEN WELCOMED THOUSANDS OF VISITORS TO EXPLORE AND TOUR MILWAUKEE ON SEPT. 27-28TH, 2025. WITH 165 LOCATIONS OPEN, THE PROGRAM OFFERED EXTENSIVE TOURS OF ARCHITECTURAL AND CULTURAL GEMS. MORE THAN 82,800 SITE VISITS WERE RECORDED AND 3,519 ATTENDEES TOOK ONE OF 131 DOORS OPEN TOURS 64% OF ATTENDEES VISITED A NEIGHBORHOOD THEY WERE PREVIOUSLY UNFAMILIAR WITH AND 72% INDICATED THEY WOULD RETURN AFTER DOORS OPEN.Expenses $30,393 · revenue $83,758
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 on file |
IRS record
- EIN
- 39-1212338
- 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
- 1974
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Assets (IRS master file)
- $377,548
- Income (IRS master file)
- $630,469
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2025 | $542,606 | $508,867 | $377,548 | XML |
| 990 | December 2024 | $487,859 | $544,387 | $380,938 | XML |
| 990 | December 2023 | $438,884 | $477,276 | $466,144 | XML |
| 990 | December 2022 | $492,442 | $490,577 | $519,369 | IRS |
| 990 | December 2021 | – | – | – | IRS |
| 990 | December 2020 | – | – | – | IRS |
| 990 | December 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 39-1212338).
Questions about HISTORIC MILWAUKEE INC
- What is the EIN of HISTORIC MILWAUKEE INC?
- The employer identification number (EIN) of HISTORIC MILWAUKEE INC is 39-1212338.
- Is HISTORIC MILWAUKEE INC tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1974.
- Are donations to HISTORIC MILWAUKEE INC tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does HISTORIC MILWAUKEE 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 HISTORIC MILWAUKEE 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 HISTORIC MILWAUKEE 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 HISTORIC MILWAUKEE INC?
- The 990 for the year ended December 31, 2025 names KIRSTEN THOMPSON.
- Who are the officers and directors of HISTORIC MILWAUKEE INC?
- The 990 for the year ended December 31, 2025 lists 15 people; 1 received compensation from the organization, the highest $89,761 (STACY SWADISH KOSMATKA, EXECUTIVE DIR.).
- How much revenue does HISTORIC MILWAUKEE INC have?
- On its 990 for the year ended December 31, 2025 it reported revenue of $542,606, expenses of $508,867 and total assets of $377,548 at year end.
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