Updated: May 24, 2026
Location and Projects
Address
101 E Grand Avenue, Suite 1, Port Washington, WI, 53074
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Haag Muller Architect
Haag Muller Inc, 101 E Grand Ave, Port Washington, WI (Employees: Haag Muller, Inc. and Michael Muller) holds a Design Professional license and 7 other licenses according to the Milwaukee license board.
Their BuildZoom score of 105 ranks in the top 8% of 94,017 Wisconsin licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Haag Muller Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Haag Muller Inc Services
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Haag Muller Inc Contact Information
Phone Number: (262) 268-1200
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Address: 101 E Grand Avenue, Suite 1, Port Washington, WI 53074
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Haag Muller Inc Port Washington
Quality
105
92nd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Haag Muller Inc has a BuildZoom score of 105, which places them above 92% of 94,017 contractors in Wisconsin.
Activity
|
3 projects
|
2025 |
|
3 projects
|
2024 |
|
8 projects
|
2023 |
Our building permit records indicate that Haag Muller Inc has worked on at least
14.0 projects over the past 3 years.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
Pricing
|
1 project
|
$20k-$50k |
|
1 project
|
$250k-$500k |
Pro tip:
For more details about their pricing, check out their recent activity to see how much they have charged for different types of work.
This is a sample of this contractor's permits. Click here to access their complete permit history.
*preliminary* signature aviation - new hangar
Valuation:
N/A
Permit #:
COM-NEW-25-00029
Status:
triage
Fee:
$220
Permit Type:
N/A
Building Type:
N/A
Alterations to existing office space
Valuation:
N/A
Permit #:
COM-ALT-25-00246
Status:
complete
Fee:
$2,076
Permit Type:
N/A
Building Type:
N/A
Mcdonald's - parking lot & interior building alterations
Valuation:
N/A
Permit #:
COM-ALT-21-00882
Status:
complete
Fee:
$9,170
Permit Type:
N/A
Building Type:
N/A
Service heat treating - interior/exterior alterations
Valuation:
N/A
Permit #:
COM-ALT-24-00383
Status:
complete
Fee:
$11,444
Permit Type:
N/A
Building Type:
N/A
Chili's too - concourse c
Valuation:
N/A
Permit #:
COM-ALT-22-00601
Status:
canceled
Fee:
$4,858
Permit Type:
N/A
Building Type:
N/A
Mcdonald's corporation llc - customer service area
Valuation:
N/A
Permit #:
COM-ALT-21-00905
Status:
complete
Fee:
$703
Permit Type:
N/A
Building Type:
N/A
Signature aviation hangar
Valuation:
N/A
Permit #:
BCV-25-00027
Status:
complete
Fee:
$1,036
Permit Type:
N/A
Building Type:
N/A
New mcdonald's
Valuation:
$1,333,000
Permit #:
ECP-17-00344
Status:
complete
Fee:
$414
Permit Type:
N/A
Building Type:
N/A
Exterior alterations permit in conjunction with an addition permit. mcdonalds
Valuation:
N/A
Permit #:
COM-ALT-20-00157
Status:
complete
Fee:
$3,929
Permit Type:
N/A
Building Type:
N/A
Mcdonald's - additions
Valuation:
N/A
Permit #:
COM-ADD-21-00058
Status:
triage
Fee:
$223
Permit Type:
N/A
Building Type:
N/A
Fire damage
Valuation:
N/A
Permit #:
COM-RPR-21-00135
Status:
complete
Fee:
$4,633
Permit Type:
N/A
Building Type:
N/A
Mcdonalds parking lot/drive-thru reconfiguration
Valuation:
N/A
Permit #:
COM-ALT-19-00462
Status:
complete
Fee:
$3,233
Permit Type:
N/A
Building Type:
N/A
Mitech - shell buildout
Valuation:
$80,000
Permit #:
BLDNCC-2018-14929
Status:
complete
Fee:
$836
Permit Type:
Alteration
Building Type:
N/A
Interior alterations - f-street corporate offices
Valuation:
N/A
Permit #:
COM-ALT-24-00151
Status:
complete
Fee:
$6,489
Permit Type:
N/A
Building Type:
N/A
New mcdonald's - building only see related for parking lot
Valuation:
N/A
Permit #:
COM-NEW-17-00130
Status:
complete
Fee:
$2,584
Permit Type:
N/A
Building Type:
N/A
New mcdonald's -hvac
Valuation:
$45,000
Permit #:
HVAC-GEN-17-03300
Status:
complete
Fee:
$1,310
Permit Type:
N/A
Building Type:
N/A
Cashier booth addition
Valuation:
N/A
Permit #:
COM-ADD-19-00041
Status:
complete
Fee:
$248
Permit Type:
N/A
Building Type:
N/A
(boza)taco bell
Valuation:
N/A
Permit #:
COM-NEW-20-00007
Status:
complete
Fee:
$1,724
Permit Type:
N/A
Building Type:
N/A
Masonry trash enclosure
Valuation:
$15,000
Permit #:
FEN-19-00596
Status:
complete
Fee:
$33
Permit Type:
N/A
Building Type:
Other
Fire repair
Valuation:
N/A
Permit #:
COM-RPR-20-00214
Status:
complete
Fee:
$1,529
Permit Type:
N/A
Building Type:
N/A
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Haag Muller Inc Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Haag Muller Inc License info
Verified License
| License # | 7252 |
| Status | Active |
| City | Milwaukee |
| Type | Design Professional |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Haag Muller Inc at the City of Milwaukee License Search.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 10116 |
| Status | Active |
| City | Milwaukee |
| Type | Design Professional |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Haag Muller Inc at the City of Milwaukee License Search.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 13063 |
| Status | Active |
| State | South Dakota |
| Type | Architect |
- When BuildZoom last verified this license, it had an expiration date of September, 2020. Check the current license status of Haag Muller Inc with the South Dakota Board of Technical Professions
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | C-7510 |
| Status | Active |
| State | South Dakota |
| Type | Architect |
- When BuildZoom last verified this license, it had an expiration date of September, 2018. Check the current license status of Haag Muller Inc with the South Dakota Board of Technical Professions
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 2013007015 |
| Status | Inactive |
| State | Missouri |
| Type | Architectural Corporation |
- According to the Board For Architects, Professional Engineers - Missouri , the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Haag Muller Inc at the Board For Architects, Professional Engineers - Missouri .
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 2013004243 |
| Status | Inactive |
| State | Missouri |
| Type | Architect |
- According to the Board For Architects, Professional Engineers - Missouri , the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Haag Muller Inc at the Board For Architects, Professional Engineers - Missouri .
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 2013007015 |
| Status | Inactive |
| State | Missouri |
| Type | Architectural Corporation |
- According to the Board For Architects, Professional Engineers - Missouri , the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Haag Muller Inc at the Board For Architects, Professional Engineers - Missouri .
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 184001777 |
| Status | Inactive |
| State | Illinois |
| Type | Design Firm Prof Reg |
- According to the Illinois Department of Financial & Professional Regulation, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Haag Muller Inc at the Illinois Department of Financial & Professional Regulation.
This is a sample of licensing data; click here to access a complete history.
105
BuildZoom Score
29
Permits
- Building permit records show that Haag Muller Inc has worked on 29 permitted projects.
Haag Muller Inc Employees
HI
Haag Muller Inc
Owner
HI
Haag Muller, Inc.
Owner
MM
Michael Muller
MM
Muller, Mike
Owner
SJ
Stephen Jeske