Nonprofit · EIN 23-7282438
MECHANICAL CONTRACTOR ASSOCIATION OF IOWA
Also known as GROUP RETURN
Tax-exempt · URBANDALE, IA 50322
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990 | $130,176 | $161,968 | -$31,792 | $428,975 | $0 | $428,975 |
| December 31, 2024 | 990 | $145,542 | $125,177 | $20,365 | $442,029 | $0 | $442,029 |
| December 31, 2023 | 990 | $122,331 | $141,472 | -$19,141 | $420,263 | $0 | $420,263 |
Financial details: 990 for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $0
- Program service revenue
- $102,102
- Investment income
- $28,074
- Net gain from sales of assets
- $13,469
- Other revenue
- $0
Expenses
- Grants and similar amounts paid
- $0
- Salaries, compensation and benefits (total)
- $0
- Professional fundraising fees
- $0
- Legal fees
- $14,207
Balance sheet and other
- Total assets, start of year
- $442,029
- Total assets, end of year
- $428,975
- Total liabilities, end of year
- $0
- Net assets, end of year
- $428,975
- Gross receipts
- $199,486
- Employees
- 0
- Volunteers
- 25
- Year formed
- 1967
- State of legal domicile
- IA
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 | From related orgs | Other / benefits |
|---|---|---|---|---|---|
| SCOT STOLTENBERG | EXECUTIVE VP Trustee or director, Officer | 40 | $0 | $239,900 | $31,248 |
| ED ALLEN | PAST PRESIDE Trustee or director, Officer | 2 | $0 | $0 | $0 |
| MATT ALLEN | TREASURER,CE Trustee or director, Officer | 2 | $0 | $0 | $0 |
| CHRIS AZINGER | CHAIRPERSON Trustee or director, Officer | 2 | $0 | $0 | $0 |
| WENDY BESLER | CHAIRPERSON Trustee or director, Officer | 2 | $0 | $0 | $0 |
| BOB BLASKOVICH | VP CENT IA Trustee or director, Officer | 2 | $0 | $0 | $0 |
| BRET BRECKE | DIRECTOR CR Trustee or director | 2 | $0 | $0 | $0 |
| GARY BRIDGEWATER | DIRECTOR Trustee or director | 2 | $0 | $0 | $0 |
| BOB BROWN | CR DIRECTOR Trustee or director | 2 | $0 | $0 | $0 |
| RYAN COFFIN | SEC/TR - SEI Trustee or director, Officer | 2 | $0 | $0 | $0 |
| NATE HAGBERG | CHAIR- CENT Trustee or director, Officer | 2 | $0 | $0 | $0 |
| TERRY HILLARY | SECRETARY/TR Trustee or director, Officer | 2 | $0 | $0 | $0 |
| DAVE HUSTON | CHAIRPERSON Trustee or director, Officer | 2 | $0 | $0 | $0 |
| JIM SHAFFER JR | DIRECTOR, CE Trustee or director | 2 | $0 | $0 | $0 |
| TOM KECK | VICE PRESIDE Trustee or director, Officer | 2 | $0 | $0 | $0 |
9 more people on this return
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| TONI KNIGHT | PAST PRES, C Trustee or director, Officer | 2 | $0 |
| JEFF KOEPPEL | DIRECTOR Trustee or director | 2 | $0 |
| MIKE PORTZEN | VICE CHAIR D Trustee or director, Officer | 2 | $0 |
| PAUL SCHULTE | VICE CHAIR S Trustee or director, Officer | 2 | $0 |
| MIKE SMITH | TREASURER CR Trustee or director, Officer | 2 | $0 |
| RANDY STAAB | PRESIDENT Trustee or director, Officer | 2 | $0 |
| STEVE SWEENEY | VICE CHAIR C Trustee or director, Officer | 2 | $0 |
| STEPHANIE TUCKER | CHAIRPERSON Trustee or director, Officer | 2 | $0 |
| JOEL VEENSTRA | DIRECTOR Trustee or director | 2 | $0 |
990 for the year ended December 31, 2024: 18 people
| Name | Title | Hours / week | Compensation | From related orgs | Other / benefits |
|---|---|---|---|---|---|
| SCOT STOLTENBERG | EXECUTIVE VICE PRESIDENT Trustee or director, Officer | 40 | $0 | $196,799 | $29,948 |
| NATE HAGBERG | CHAIRPERSON CENTRAL IA CHAPTE Trustee or director, Officer | 2 | $0 | $0 | $0 |
| CLINT LEONARD | DIRECTOR CENTRAL IA CHAPTE Trustee or director | 2 | $0 | $0 | $0 |
| BOB BLASKOVICH | VICE CHAIR CENTRAL IA CHAPTE Trustee or director, Officer | 2 | $0 | $0 | $0 |
| JIM SHAFFER JR | DIRECTOR CENTRAL IA CHAPTE Trustee or director | 2 | $0 | $0 | $0 |
| DAVE HUSTON | PAST CHAIRPERSON CR/IC CHAPTER Trustee or director, Officer | 2 | $0 | $0 | $0 |
| STEPHANIE TUCKER | CHAIRPERSON CR/IC CHAPTER Trustee or director, Officer | 2 | $0 | $0 | $0 |
| MIKE SMITH | SEC/TREAS CR/IC CHAPTER Trustee or director, Officer | 2 | $0 | $0 | $0 |
| PAUL SCHULTE | VICE CHAIRPERSON SE IA CHAPTER Trustee or director, Officer | 2 | $0 | $0 | $0 |
| CHRIS AZINGER | CHAIRPERSON SE IA CHA Trustee or director, Officer | 2 | $0 | $0 | $0 |
| RYAN COFFIN | SEC/TREAS SE IA CHAPTER Trustee or director, Officer | 2 | $0 | $0 | $0 |
| TERRY HILLARY | SEC/TREAS DUBUQUE CHAPTER Trustee or director, Officer | 2 | $0 | $0 | $0 |
| MIKE PORTZEN | VICE CHAIRPERSON DUBUQUE C Trustee or director, Officer | 2 | $0 | $0 | $0 |
| WENDY BESLER | CHAIRPERSON, DUBUQUE CHAPT Trustee or director, Officer | 2 | $0 | $0 | $0 |
| TONI KNIGHT | PAST CHAIRPERSON CENT IA CHAPTER Trustee or director, Officer | 2 | $0 | $0 | $0 |
| STEVE SWEENEY | VICE CHAIRPERSON CR/IC Trustee or director, Officer | 2 | $0 | $0 | $0 |
| MATT ALLEN | TREASURER CENTRAL IA CHAPTE Trustee or director, Officer | 2 | $0 | $0 | $0 |
| JOEL VEENSTRA | DIRECTOR CENTRAL IA CHAPTE Trustee or director | 2 | $0 | $0 | $0 |
990 for the year ended December 31, 2023: 18 people
| Name | Title | Hours / week | Compensation | From related orgs | Other / benefits |
|---|---|---|---|---|---|
| SCOT STOLTENBERG | EXECUTIVE VICE PRESIDENT Trustee or director, Officer | 40 | $0 | $185,583 | $28,944 |
| GARY BRIDGEWATER | VICE CHAIRPERSON CENTRAL IA CHAPTE Trustee or director | 2 | $0 | $0 | $0 |
| NATE HAGBERG | DIRECTOR CENTRAL IA CHAPTE Trustee or director | 2 | $0 | $0 | $0 |
| CLINT LEONARD | IMM PAST CHAIRPERSON CENTRAL IA C Trustee or director, Officer | 2 | $0 | $0 | $0 |
| BOB BLASKOVICH | DIRECTOR CENTRAL IA CHAPTE Trustee or director | 2 | $0 | $0 | $0 |
| JIM SHAFFER JR | VICE CHAIRPERSON CENTRAL IA CHAPTE Trustee or director, Officer | 2 | $0 | $0 | $0 |
| DAVE HUSTON | TREASURER CR/IC IA CHAPTE Trustee or director, Officer | 2 | $0 | $0 | $0 |
| BRET BRECKE | CHAIRPERSON CR/IC CHAPTER Trustee or director, Officer | 2 | $0 | $0 | $0 |
| DAVE ALATALO | PAST CHAIRPERSON CR/IC CHAPTE Trustee or director, Officer | 2 | $0 | $0 | $0 |
| PAUL SCHULTE | SEC/TREAS SE IA CHAPTER Trustee or director, Officer | 2 | $0 | $0 | $0 |
| CHRIS AZINGER | VICE CHAIRPERSON SE IA CHAPTE Trustee or director, Officer | 2 | $0 | $0 | $0 |
| MAC COFFIN JR | CHAIRPERSON SE IA CHAPTER Trustee or director, Officer | 2 | $0 | $0 | $0 |
| TERRY HILLARY | SEC/TREAS DUBUQUE CHAPTER Trustee or director, Officer | 2 | $0 | $0 | $0 |
| MIKE PORTZEN | VICE CHAIRPERSON DUBUQUE C Trustee or director, Officer | 2 | $0 | $0 | $0 |
| WENDY BESLER | CHAIRPERSON, DUBUQUE CHAPT Trustee or director, Officer | 2 | $0 | $0 | $0 |
| TONI KNIGHT | TREASURER CENT IA CHAPTER Trustee or director, Officer | 2 | $0 | $0 | $0 |
| MIKE MACHULA | VICE CHAIRPERSON CR/IC Trustee or director, Officer | 2 | $0 | $0 | $0 |
| MATT ALLEN | DIRECTOR CENTRAL IA CHAPTE Trustee or director | 0 | $0 | $0 | $0 |
Address and contacts
- Address (IRS master file)
- 3066 104TH ST, URBANDALE, IA 50322-3847
- Principal officer (990 for 2025)
- SCOT STOLTENBERG, 3066 104TH ST, URBANDALE, IA 50322
- Signed the 990
- SCOT STOLTENBERG, EXECUTIVE VP
- Phone
- (515) 334-2616
- Website
- MCAOFIOWA.ORG
- Return prepared by
- HAGA KOMMER LTD
Mission
TO PROMOTE ADEQUATE AND SAFE PLUMBING, HEATING, PROCESS PIPING, REFRIGERATION AND AIR CONDITIONING THROUGH EDUCATION, RESEARCH AND DEVELOPMENT PROGRAMS. THE MECHANICAL CONTRACTORS ASSOCIATION IS AN ORGANIZATION DEDICATED TO SERVING THE NEEDS OF AREA UNION CONTRACTORS WHO INSTALL HEATING, VENTILATION, AIR CONDITIONING, PROCESS PIPING AND REFRIGERATION UNITS. OUR MEMBERS INCLUDE LARGE CONTRACTORS WHO WORK FROM COAST-TO-COAST AS WELL AS SMALL SPECIALIZED CONTRACTORS WHO WORK ON A REGIONAL LEVEL. WE BELIEVE OUR ASSOCIATIONS STRENGTH RESTS IN THE DIVERSITY OF OUR MEMBERSHIP BASE.
Program accomplishments
- LABOR RELATIONS- 1) PARTICIPATED IN QUARTERLY HEALTH AND WELFARE AND PENSION TRUST MEETINGS FOR LOCAL 33 AND LOCAL 125; 2) PARTICIPATED IN REGULAR TRUSTEE MEETINGS FOR THE JOINT APPRENTICE TRAINING COMMITTEES (JATC) FOR LOCAL 33 AND LOCAL 125; 3) WORKED CLOSELY WITH LOCAL 33 AND LOCAL 125 TO PROVIDE ONLINE AND ON-DEMAND TRAINING, ENABLING PERSONS TO COMPLY WITH IOWA PLUMBING AND MECHANICAL SYSTEMS BOARD CONTINUING EDUCATION REQUIREMENTS; 4) PARTICIPATED IN REGULAR LABOR-MANAGEMENT MEETINGS TO MAINTAIN WORKFORCE STABILITY AND IMPROVE TRAINING PROGRAMS TO MEET CUSTOMER DEMANDS. 5) NEGOTIATED A NEW WORKING AGREEMENT WITH LOCAL 125.
- SAFETY-1) MAINTAINED AND IMPROVED UPON THE MCAI TRAINING VAULT WEB-BASED TRAINING DATABASE THAT STREAMLINES TRAINING DOCUMENTATION AND STATISTICS FOR CLASSES TAUGHT BY THE MCAI, UNION, EMPLOYERS, AND THIRD PARTY PROVIDERS. IOWA STATEWIDE LICENSING CEU CREDITS CONTINUE TO BE TRACKED IN CONJUNCTION WITH THIS SYSTEM; 2) ASSISTED WITH THE FILMING OF TWO (2) NEW SAFETY VIDEOS TO BE DISTRIBUTED TO OVER 2,600 MECHANICAL CONTRACTORS NATIONWIDE.
- GOVERNMENT AFFAIRS 1) PROVIDED INPUT TO THE STATE OF IOWA REQUESTING ADDITIONAL FUNDING FOR THE REBUILD IOWA INFRASTRUCTURE FUND (RIIF); 2) PROVIDED INPUT ON PROPOSED STATE GOVERNMENT REORGANIZATION - SPECIFICALLY AS IT RELATES TO THE IOWA PLUMBING AND MECHANICAL SYSTEMS BOARD. THE INPUT WAS SUCCESSFUL AND THE BOARD WAS NOT IMPACTED BY THE CHANGES.; 3) PROVIDED INPUT ON THE IOWA APPRENTICESHIP ACT, THE IOWA OFFICE OF APPRENTICESHIP, AND IOWA APPRENTICESHIP COUNCIL.
What it must file and when
IRS records say it files Group return. Included in a group return filed by its parent. 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
- 23-7282438
- Tax-exempt status
- 501(c)(6): Business league or chamber of commerce
- Donations deductible
- No
- Exempt since
- 1972
- Accounting year ends
- December
- Files
- Group return
- Group exemption
- 2310: MECHANICAL CONTRACTORS ASSOCIATION OF IOWA INC
- Assets (IRS master file)
- $428,975
- Income (IRS master file)
- $199,486
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2025 | $130,176 | $161,968 | $428,975 | IRS |
| 990 | December 2024 | $145,542 | $125,177 | $442,029 | IRS |
| 990 | December 2023 | $122,331 | $141,472 | $420,263 | XML |
| 990 | December 2022 | $123,898 | $124,148 | $404,295 | IRS |
| 990 | December 2021 | – | – | – | IRS |
| 990 | December 2020 | – | – | – | IRS |
| 990 | December 2019 | – | – | – | 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 23-7282438).
Questions about MECHANICAL CONTRACTOR ASSOCIATION OF IOWA
- What is the EIN of MECHANICAL CONTRACTOR ASSOCIATION OF IOWA?
- The employer identification number (EIN) of MECHANICAL CONTRACTOR ASSOCIATION OF IOWA is 23-7282438.
- Is MECHANICAL CONTRACTOR ASSOCIATION OF IOWA tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(6) since 1972.
- Are donations to MECHANICAL CONTRACTOR ASSOCIATION OF IOWA tax-deductible?
- No. The IRS master file says contributions to it are not deductible.
- Which annual return does MECHANICAL CONTRACTOR ASSOCIATION OF IOWA file?
- Form Group return. Included in a group return filed by its parent.
- When is the next return of MECHANICAL CONTRACTOR ASSOCIATION OF IOWA 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 MECHANICAL CONTRACTOR ASSOCIATION OF IOWA 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 MECHANICAL CONTRACTOR ASSOCIATION OF IOWA?
- The 990 for the year ended December 31, 2025 names SCOT STOLTENBERG.
- Who are the officers and directors of MECHANICAL CONTRACTOR ASSOCIATION OF IOWA?
- The 990 for the year ended December 31, 2025 lists 24 people; 0 received compensation from the organization.
- How much revenue does MECHANICAL CONTRACTOR ASSOCIATION OF IOWA have?
- On its 990 for the year ended December 31, 2025 it reported revenue of $130,176, expenses of $161,968 and total assets of $428,975 at year end.
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