Updated: Aug 09, 2026
Location and Projects
Address
Baltimore, MD, 21226
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Christopher Michael Markoe Plumber
Christopher Michael Markoe, Baltimore, MD holds a Plumbers license and 2 other licenses according to the Maryland license board.
Their BuildZoom score of 90 indicates that they are licensed or registered but we do not have additional information about them.
Their license was verified as active when we last checked. If you are thinking of hiring Christopher Michael Markoe, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
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Christopher Michael Markoe Contact Information
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Building Permits by Christopher Michael Markoe
This is a sample of this contractor's permits. Click here to access their complete permit history.
Installing an outdoor heat pump refrigeration line set and condensation pump only for single family dwelling. duct work and indoor air handler with heat kit installed by others prior to home owner firing them
Valuation:
N/A
Permit #:
2021-02807
Status:
issued
Fee:
$120
Permit Type:
N/A
Building Type:
N/A
Remove existing heat pump and replace with new heat pump install new propane furnace for auxiliary heat
Valuation:
N/A
Permit #:
2022-01408
Status:
approved
Fee:
$35
Permit Type:
N/A
Building Type:
N/A
#102 - approval to replace roof mounted hvac per hpc 22-844 approval letter dated 8/30/22
Valuation:
N/A
Permit #:
BP-22-03367
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Removing 2 existing gas furnace and air conditioning systems and replace with new systems same size and same location
Valuation:
N/A
Permit #:
2021-03289
Status:
complete
Fee:
$160
Permit Type:
N/A
Building Type:
N/A
Remove existing air conditioning and n/g furnace and replace with new
Valuation:
N/A
Permit #:
BP-22-02811
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Residential mechanical permit
9121 Crystal Falls, Boonsboro, Md 21713, Washington County, MD, 61433
2023-01-24
Supply and install new residential heat pump with complete duct system
Valuation:
N/A
Permit #:
2022-02163
Status:
complete
Fee:
$120
Permit Type:
N/A
Building Type:
N/A
Supply and install (1) new heat pump with duct work and (1) new mini-split heat pump in lower level
Valuation:
N/A
Permit #:
2021-00028
Status:
complete
Fee:
$155
Permit Type:
N/A
Building Type:
N/A
Removal and replace two 2 ton heat pump heating and cooling systems
Valuation:
N/A
Permit #:
2022-03404
Status:
complete
Fee:
$150
Permit Type:
N/A
Building Type:
N/A
Replace for like 80% furnace and for like natural draft gas water heater
Valuation:
N/A
Permit #:
BP-23-02631
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replacing a gas furnace and air conditioning system with a like system
Valuation:
N/A
Permit #:
2021-04226
Status:
complete
Fee:
$115
Permit Type:
N/A
Building Type:
N/A
1-4 fixtures - replace existing furnace
Valuation:
N/A
Permit #:
BP-21-01717
Status:
complete
Fee:
$90
Permit Type:
N/A
Building Type:
N/A
1-4 fixtures - replace furnace/ac
Valuation:
N/A
Permit #:
BP-21-04227
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
#216 - approval to replace hvac unit per hpc 22-599 approval letter dated 6-21-22 and replace furnace
Valuation:
N/A
Permit #:
BP-22-02630
Status:
complete
Fee:
$90
Permit Type:
N/A
Building Type:
N/A
Town of boonsboro residential mechanical permit
2022-03-21
Remove existing heat pump and replace with new heat pump w propane auxiliary heat
Valuation:
N/A
Permit #:
2022-01392
Status:
canceled
Fee:
$80
Permit Type:
N/A
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Christopher Michael Markoe License info
Verified License
| License # | 90454 |
| Status | Active |
| State | Maryland |
| Type | Plumbers |
- BuildZoom verified this license was active as of August 2026.
Verify this license's status for Christopher Michael Markoe at the Maryland Department of Labor, Licensing & Regulation.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 104301 |
| Status | Active |
| State | Maryland |
| Type | Plumbers |
- BuildZoom verified this license was active as of August 2026.
Verify this license's status for Christopher Michael Markoe at the Maryland Department of Labor, Licensing & Regulation.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 22468 |
| Status | Active |
| State | Maryland |
| Type | Heating, Ventilation, Air Conditioning And Refrigeration |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Christopher Michael Markoe at the Maryland Department of Labor, Licensing & Regulation.
This is a sample of licensing data; click here to access a complete history.
90
BuildZoom Score
11
Permits
- Building permit records show that Christopher Michael Markoe has worked on 11 permitted projects.