Updated: Jul 07, 2026
Location and Projects
Address
4230 W Douglas Ave, Milwaukee, WI, 53209
Use our bidding system to
request a quote
Dmj Services HVAC/Mechanical Contractor
Dmj Services LLC, 4230 W Douglas Ave, Milwaukee, WI (Owned by: Joseph James Petkus) holds a Hvac Contractor, Regular, False license and 8 other licenses according to the Wisconsin Rapids 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 Dmj Services LLC, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Dmj Services LLC Contact Information
Phone Number: (414) 234-8860
Address: 4230 W Douglas Ave, Milwaukee, WI 53209
Dmj Services LLC Milwaukee
Quality
113
97th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Dmj Services LLC has a BuildZoom score of 113, which places them above 97% of 94,017 contractors in Wisconsin.
Activity
|
8 projects
|
2026 |
|
893 projects
|
2025 |
|
869 projects
|
2024 |
|
1061 projects
|
2023 |
Our building permit records indicate that Dmj Services LLC has worked on at least
2831.0 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
|
4 projects
|
New Constructions |
|
3 projects
|
Home Additions |
|
2360 projects
|
HVAC projects |
|
3 projects
|
Mechanical projects |
Analyzing permits over the last 4 years shows that Dmj Services LLC mostly works on
hvac project
and new construction
projects.
Pricing
|
2315 projects
|
< $5k |
|
157 projects
|
$5k-$20k |
|
47 projects
|
$20k-$50k |
|
1 project
|
$50k-$100k |
|
4 projects
|
$250k-$500k |
|
1 project
|
$500k-$1mil |
|
2 projects
|
$1mil+ |
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.
Hacm - direct replacements
Valuation:
$500,000
Permit #:
HVAC-GEN-24-03422
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Westlawn - building 2.2
Valuation:
$1,500,000
Permit #:
HVAC-GEN-18-00197
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Hacm - installed 2 boilers
Valuation:
$403,000
Permit #:
BLR-24-00275
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
Commercial
New furnaces air conditioning and remote terminal unit
Valuation:
$980,000
Permit #:
HVAC-GEN-22-03632
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Plankinton loft apartments - 4th & 5th floors
Valuation:
$325,000
Permit #:
HVAC-GEN-21-02233
Status:
complete
Fee:
$17,556
Permit Type:
N/A
Building Type:
N/A
Single family dwelling- furnace and air conditioning replacement
Valuation:
$9,000
Permit #:
HVAC-GEN-25-00931
Status:
issued
Fee:
$81
Permit Type:
N/A
Building Type:
N/A
6014 sheridan - no fee permit
Valuation:
$400,000
Permit #:
HVAC-GEN-22-03634
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install 33 furnaces and 33 a/cs
Valuation:
$517,000
Permit #:
HVAC-GEN-21-01542
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Furnace replacement (permit not required for direct replacement of air conditioning on a 1 or 2 family home. unless address is historic or brand new installment)
Valuation:
$4,000
Permit #:
HVAC-GEN-21-01639
Status:
complete
Fee:
$66
Permit Type:
N/A
Building Type:
N/A
Reconnect furnace gfci for pump and water heater
Valuation:
$750
Permit #:
ELEC-25-02072
Status:
issued
Fee:
$117
Permit Type:
N/A
Building Type:
N/A
Reconnect furnace gfci for pump and water heater
Valuation:
$750
Permit #:
ELEC-25-02071
Status:
complete
Fee:
$117
Permit Type:
N/A
Building Type:
N/A
Reconnect furance gfci for pump and water heater
Valuation:
$750
Permit #:
ELEC-25-01393
Status:
issued
Fee:
$117
Permit Type:
N/A
Building Type:
N/A
Sunset north ave apartments
Valuation:
$280,000
Permit #:
HVAC-GEN-23-00553
Status:
complete
Fee:
$4,202
Permit Type:
N/A
Building Type:
N/A
Single family dwelling- furnace replacement
Valuation:
$2,000
Permit #:
HVAC-GEN-25-01814
Status:
complete
Fee:
$81
Permit Type:
N/A
Building Type:
N/A
Single family dwelling- furnace replacement
Valuation:
$2,000
Permit #:
HVAC-GEN-25-01612
Status:
issued
Fee:
$81
Permit Type:
N/A
Building Type:
N/A
Single family dwelling- furnace installment
Valuation:
$2,000
Permit #:
HVAC-GEN-25-01548
Status:
issued
Fee:
$81
Permit Type:
N/A
Building Type:
N/A
Single family dwelling- furnace replacement
Valuation:
$2,000
Permit #:
HVAC-GEN-25-01528
Status:
issued
Fee:
$81
Permit Type:
N/A
Building Type:
N/A
Single family dwelling- furnace replacement
Valuation:
$2,000
Permit #:
HVAC-GEN-25-01468
Status:
issued
Fee:
$81
Permit Type:
N/A
Building Type:
N/A
Reconnect furnace and gfci for water heater
Valuation:
$500
Permit #:
ELEC-25-03378
Status:
issued
Fee:
$117
Permit Type:
N/A
Building Type:
N/A
Single family dwelling- furnace replacement
Valuation:
$2,000
Permit #:
HVAC-GEN-25-01334
Status:
issued
Fee:
$81
Permit Type:
N/A
Building Type:
N/A
Dmj Services LLC Reviews
BuildZoom hasn't received any reviews for Dmj Services LLC. Click here to be alerted when reviews are posted about them.
Recent Buildzoom Projects
Hiring a contractor?
Verified License
BuildZoom confirmed this contractor's license
Dmj Services LLC License info
Verified License
| License # | 989917 - HVACCONT |
| Status | Active |
| City | Wisconsin Rapids |
| Type | Hvac Contractor, Regular, False |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Dmj Services LLC at the City of Wisconsin Rapids.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 230329 - 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 Dmj Services LLC at the City of Wisconsin Rapids.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 989917 - EC |
| Status | Active |
| City | Wisconsin Rapids |
| Type | Electrical Contractor, Regular, False |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Dmj Services LLC at the City of Wisconsin Rapids.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | S989917 |
| Status | Active |
| City | Milwaukee |
| Type | Electrical |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Dmj Services LLC at the City of Milwaukee License Search.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 989917 |
| Status | Active |
| City | Milwaukee |
| Type | Hvac Contractor |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Dmj Services LLC at the City of Milwaukee License Search.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 230329 |
| Status | Active |
| City | Milwaukee |
| Type | Plumbing |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Dmj Services LLC 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 | Milwaukee |
| Type | Home Improvement Contractor's License |
- BuildZoom verified this license was active as of July 2026.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 1133024 |
| Status | Active |
| State | Wisconsin |
| Type | Electrician |
- BuildZoom has not verified this license since December, 2023.
Verify this license's status for Dmj Services LLC 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
| Status | Inactive |
| City | Milwaukee |
| Type | Home Improvement Contractor's License |
- According to the City of Milwaukee License Search, the status of this license was at one point cancelled. However, this information may have changed.
This is a sample of licensing data; click here to access a complete history.
113
BuildZoom Score
Insured
| Insurer | Sheboygan Falls Ins |
7.1K
Permits
- Building permit records show that Dmj Services LLC has worked on 7083 permitted projects.
Dmj Services LLC Employees
DK
Daniel Kaminski
JP
Joseph James Petkus
Owner