Updated: Jul 06, 2026
Location and Projects
Address
2701 W St Paul Ave, Milwaukee, WI, 53233
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JM Brennan Architect
JM Brennan, Inc, 2701 W St Paul Ave, Milwaukee, WI (Owned by: John M Brennan Jr) holds a Design Professional license and 33 other licenses according to the Milwaukee license board.
Their BuildZoom score of 113 ranks in the top 3% of 94,017 Wisconsin licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring JM Brennan, Inc, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
JM Brennan, Inc Services
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JM Brennan, Inc Contact Information
Phone Number: (414) 791-0113
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Address: 2701 W St Paul Ave, Milwaukee, WI 53233
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JM Brennan, Inc Milwaukee
Quality
113
97th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
JM Brennan, Inc has a BuildZoom score of 113, which places them above 97% of 94,017 contractors in Wisconsin.
Activity
|
127 projects
|
2025 |
|
96 projects
|
2024 |
|
87 projects
|
2023 |
Our building permit records indicate that JM Brennan, Inc has worked on at least
310.0 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.
Experience
|
19 projects
|
Home Additions |
|
10 projects
|
Commercial Renovations |
|
4 projects
|
New Constructions |
Analyzing permits over the last 4 years shows that JM Brennan, Inc mostly works on
home addition
and commercial renovation
projects.
Pricing
|
65 projects
|
< $5k |
|
52 projects
|
$5k-$20k |
|
29 projects
|
$20k-$50k |
|
23 projects
|
$50k-$100k |
|
19 projects
|
$100k-$250k |
|
12 projects
|
$250k-$500k |
|
7 projects
|
$500k-$1mil |
|
14 projects
|
$1mil+ |
The typical size of their permits is approximately $21,000. This graph shows the distribution of these job values.
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.
Health office - new tenant alteration
Valuation:
N/A
Permit #:
BLDPLM-2025-04673
Status:
complete
Fee:
$80
Permit Type:
Repair/alteration
Building Type:
Commercial
Plumbing for 118 unit expansion - jmb job #235703 dickson hollow phase 11. permission to start dis-052420639 - state approval 5/6/2024. this is for plan approval: state approval 2/8/24. pl-022400052-prso. permission to start includes: - building drain vent sanitary - water distribution system - building drain vent storm
Valuation:
N/A
Permit #:
PP24-0628
Status:
issued
Fee:
$13,264
Permit Type:
plumbing with uti...
Building Type:
N/A
Cassis restaurant building out - hvac
Valuation:
$425,000
Permit #:
HVAC-GEN-25-01264
Status:
issued
Fee:
$1,384
Permit Type:
N/A
Building Type:
N/A
Silatronix - addition production lab within space
Valuation:
$254,450
Permit #:
BLDNCH-2024-20739
Status:
issued
Fee:
$2,905
Permit Type:
N/A
Building Type:
N/A
Mfcb - multi-family buildings (3+ dwelling units) or commercial buildings new construction additions
2023-03-09
12899 sf addition to an existing building that will be used for sales of boats fishing equipment and accessories. new storm sewer inlet in parking lot
Valuation:
$3,000,000
Permit #:
MFCB-23-25
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install 2 boilers
Valuation:
$1,300,000
Permit #:
P25-0783
Status:
issued
Fee:
$2,050
Permit Type:
Boiler
Building Type:
N/A
Electronic arts madison - new tenant alteration
Valuation:
$225,000
Permit #:
BLDNCH-2024-19946
Status:
complete
Fee:
$2,892
Permit Type:
Alteration
Building Type:
N/A
Hvac system for new independent living facility dickson hollow - jmb 535702. dickson hollow senior living apartments. e-plan approval 1/30/2025. pr-5387
Valuation:
N/A
Permit #:
PH25-0086
Status:
issued
Fee:
$5,187
Permit Type:
HVAC
Building Type:
N/A
% pr - northwestern mutual new north tower - (phase ii: buildout) - gas piping
Valuation:
$145,000
Permit #:
PLB-GP-24-00204
Status:
issued
Fee:
$325
Permit Type:
New construction/...
Building Type:
Commercial
Brady corporation - hvac chiller/boiler demolish
Valuation:
$3,100,000
Permit #:
HVAC-GEN-25-01559
Status:
issued
Fee:
$11,187
Permit Type:
N/A
Building Type:
N/A
Brady corporation - hvac chiller/boiler demolish
Valuation:
$3,100,000
Permit #:
HVAC-CHLR-25-00003
Status:
issued
Fee:
$10
Permit Type:
N/A
Building Type:
Manufacturing
Brady corporation - hvac chiller/boiler demolish
Valuation:
$3,100,000
Permit #:
BLR-25-00167
Status:
complete
Fee:
$25
Permit Type:
N/A
Building Type:
Manufacturing
Milwaukee repertory theater upgrades
Valuation:
$7,447,000
Permit #:
HVAC-CHLR-25-00008
Status:
complete
Fee:
$1,722
Permit Type:
N/A
Building Type:
Commercial
Fh ossc 2nd floor shell building out e-plan approval 1/15/25. pr-5930 jmb job #256167 froedtert ortho shell space build-out in froedtert ossc health center. e-plan approval 1/15/2025. pr-5930
Valuation:
N/A
Permit #:
PH25-0341
Status:
final
Fee:
$65
Permit Type:
HVAC
Building Type:
N/A
[state review] meta house
Valuation:
$2,600,000
Permit #:
HVAC-GEN-24-03178
Status:
issued
Fee:
$2,881
Permit Type:
N/A
Building Type:
N/A
Howard fuller collegiate academy middle school hvac - gymnasium addition
Valuation:
$490,000
Permit #:
HVAC-GEN-24-00399
Status:
complete
Fee:
$1,809
Permit Type:
N/A
Building Type:
N/A
Brady corporation addition hvac
Valuation:
$2,040,000
Permit #:
HVAC-GEN-25-02133
Status:
issued
Fee:
$7,448
Permit Type:
N/A
Building Type:
N/A
*withdrawn - consult w/pe plumbing* 1801 w wisc av - jm brennan
Valuation:
$250,000
Permit #:
PLB-GP-23-00124
Status:
withdrawn
Fee:
$711
Permit Type:
Alteration/repair
Building Type:
Commercial
Journal square redevelopment - hvac
Valuation:
$1,200,000
Permit #:
HVAC-GEN-21-00943
Status:
complete
Fee:
$16,384
Permit Type:
N/A
Building Type:
N/A
Thrive on king - residential - hvac
Valuation:
$2,300,000
Permit #:
HVAC-GEN-24-02542
Status:
complete
Fee:
$36,070
Permit Type:
N/A
Building Type:
N/A
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Verified License
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JM Brennan, Inc License info
Verified License
| License # | 102161 - 6 |
| Status | Active |
| City | Milwaukee |
| Type | Design Professional |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for JM Brennan, 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 # | 3751 - HVACCONT |
| Status | Active |
| City | Wisconsin Rapids |
| Type | Hvac Contractor, Regular, False |
- When BuildZoom last verified this license, it had an expiration date of June, 2026. Check the current license status of JM Brennan, Inc with the City of Wisconsin Rapids
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 1009-AFSC |
| Status | Active |
| City | Milwaukee |
| Type | Automatic Fire Sprinkler Contractor |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for JM Brennan, 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 # | 230967 - PM |
| Status | Active |
| City | Wisconsin Rapids |
| Type | Plumber, Non Visiting |
- BuildZoom verified this license was active as of August 2025.
Verify this license's status for JM Brennan, Inc at the City of Wisconsin Rapids.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 3751 - EC |
| Status | Active |
| City | Wisconsin Rapids |
| Type | Electrical Contractor, Regular, False |
- When BuildZoom last verified this license, it had an expiration date of June, 2026. Check the current license status of JM Brennan, Inc with the City of Wisconsin Rapids
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 1009 |
| Status | Active |
| City | Milwaukee |
| Type | Design Professional |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for JM Brennan, Inc at the City of Milwaukee License Search.
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| City | Stevens Point |
| Type | Plumbing Contractor |
- BuildZoom verified this license was active as of June 2026.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 100113 |
| Status | Active |
| City | Milwaukee |
| Type | Design Professional |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for JM Brennan, 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 # | S3751 |
| Status | Active |
| City | Milwaukee |
| Type | Electrical |
- When BuildZoom last verified this license, it had an expiration date of June, 2026. Check the current license status of JM Brennan, Inc with the City of Milwaukee License Search
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 231503 |
| Status | Active |
| City | Milwaukee |
| Type | Plumbing |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for JM Brennan, 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 # | 230967 |
| Status | Active |
| City | Milwaukee |
| Type | Plumbing |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for JM Brennan, 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 # | 1061815 |
| Status | Active |
| City | Milwaukee |
| Type | Automatic Fire Sprinkler Contractor |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for JM Brennan, 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 # | RWCL-19-00030 |
| Status | Active |
| City | Milwaukee |
| Type | Concrete Contractor |
- When BuildZoom last verified this license, it had an expiration date of February, 2020. Check the current license status of JM Brennan, Inc with the City of Milwaukee License Search
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | RWCL-18-00067 |
| Status | Active |
| City | Milwaukee |
| Type | Concrete Contractor |
- When BuildZoom last verified this license, it had an expiration date of October, 2019. Check the current license status of JM Brennan, Inc with the City of Milwaukee License Search
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 230815 |
| Status | Active |
| City | Milwaukee |
| Type | Plumbing |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for JM Brennan, 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 # | 869049 |
| Status | Active |
| City | Milwaukee |
| Type | Plumbing |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for JM Brennan, 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 # | R7489 |
| Status | Active |
| City | Duluth |
| Type | Hvac Cont |
- When BuildZoom last verified this license, it had an expiration date of December, 2024. Check the current license status of JM Brennan, Inc with the The City of Duluth, MN
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 230967-PM |
| Status | Active |
| State | Wisconsin |
| Type | Plumber |
- BuildZoom has not verified this license since April, 2025.
Verify this license's status for JM Brennan, Inc at the Wisconsin Department of Safety and Professional Services.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 869049-PM |
| Status | Active |
| State | Wisconsin |
| Type | Plumber |
- BuildZoom has not verified this license since April, 2025.
Verify this license's status for JM Brennan, Inc at the Wisconsin Department of Safety and Professional Services.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 1061815-JAFSF |
| Status | Active |
| State | Wisconsin |
- When BuildZoom last verified this license, it had an expiration date of June, 2017. Check the current license status of JM Brennan, Inc with the Wisconsin Department of Safety and Professional Services
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 2405-11 |
| Status | Active |
| State | Wisconsin |
| Type | Architectural Or Engineering Corp - Certificate Of Authorization |
- When BuildZoom last verified this license, it had an expiration date of January, 2016. Check the current license status of JM Brennan, Inc with the Wisconsin Department of Safety and Professional Services
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 1840 |
| Status | Inactive |
| City | Milwaukee |
| Type | Plumbing Designer |
- According to the City of Milwaukee License Search, 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 JM Brennan, Inc at the City of Milwaukee License Search.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 2244-7E |
| Status | Inactive |
| City | Milwaukee |
| Type | Design Professional |
- According to the City of Milwaukee License Search, 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.
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Inactive License
| License # | 1912 |
| Status | Inactive |
| City | Milwaukee |
| Type | Design Professional |
- According to the City of Milwaukee License Search, 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 JM Brennan, Inc at the City of Milwaukee License Search.
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Inactive License
| License # | 659506 |
| Status | Inactive |
| City | Milwaukee |
| Type | Hvac Contractor |
- According to the City of Milwaukee License Search, 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 JM Brennan, Inc at the City of Milwaukee License Search.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 1840 |
| Status | Inactive |
| City | Milwaukee |
| Type | Design Professional |
- According to the City of Milwaukee License Search, 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 JM Brennan, Inc at the City of Milwaukee License Search.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | LV1432 |
| Status | Inactive |
| City | Milwaukee |
| Type | Low Voltage Electrical Contractor |
- According to the City of Milwaukee License Search, 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 JM Brennan, Inc at the City of Milwaukee License Search.
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Inactive License
| License # | 3751 |
| Status | Inactive |
| City | Milwaukee |
| Type | Hvac Contractor |
- According to the City of Milwaukee License Search, 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 JM Brennan, Inc at the City of Milwaukee License Search.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 19LICH-0056 |
| Status | Inactive |
| City | Evanston |
| Type | Hvac |
- According to the City of Evanston Building and Inspection Services, 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 JM Brennan, Inc at the City of Evanston Building and Inspection Services.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 230967-PA |
| Status | Inactive |
| State | Wisconsin |
- According to the Wisconsin Department of Safety and Professional Services, 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 JM Brennan, Inc at the Wisconsin Department of Safety and Professional Services.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 230967-PJ |
| Status | Inactive |
| State | Wisconsin |
- According to the Wisconsin Department of Safety and Professional Services, 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 JM Brennan, Inc at the Wisconsin Department of Safety and Professional Services.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 869049-PA |
| Status | Inactive |
| State | Wisconsin |
- According to the Wisconsin Department of Safety and Professional Services, 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 JM Brennan, Inc at the Wisconsin Department of Safety and Professional Services.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 869049-PJ |
| Status | Inactive |
| State | Wisconsin |
- According to the Wisconsin Department of Safety and Professional Services, 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 JM Brennan, Inc at the Wisconsin Department of Safety and Professional Services.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 1061815-AFSSA |
| Status | Inactive |
| State | Wisconsin |
- According to the Wisconsin Department of Safety and Professional Services, 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 JM Brennan, Inc at the Wisconsin Department of Safety and Professional Services.
This is a sample of licensing data; click here to access a complete history.
113
BuildZoom Score
Insured
| Insurer | Zurich American |
587
Permits
- Building permit records show that JM Brennan, Inc has worked on 587 permitted projects.
JM Brennan, Inc Employees
AC
Alaina G Cartagena
AR
Alexa Robinson
BW
Brandon Wenzel
CP
Chris C Patoka
DL
David A Lower
JH
Jeffrey Hernbrode
JB
John Brennan
JB
John M Brennan
JJ
John M Brennan Jr
Owner
JO
Jonathan Olson
KN
Kurt Nowak
MR
Mark Riehle
NB
Nicholas Burg
NB
Nicholas John Burg
PC
Patoka Christopher
RG
Ronald W Geiger
SD
Steven Davis
TV
Thomas Voelker
TK
Timothy Kehoe