Updated: May 30, 2026
Location and Projects
Address
Grantsville, MD, 21536
Use our bidding system to
request a quote
Bryan John Marker HVAC/Mechanical Contractor
Bryan John Marker, Grantsville, MD holds a Heating, Ventilation, Air Conditioning And Refrigeration license and 1 other license according to the Maryland license board.
Their BuildZoom score of 99 ranks in the top 15% of 58,058 Maryland licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Bryan John Marker, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Bryan John Marker Contact Information
Do you work for this business? Unlock this free profile to update company info and see who's viewing your profile.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Non-residential mechanical permit
2022-09-27
Hvac work for 3, 747 sq. ft. interior renovations phase 1 to include (5) new vav's (29) diffusers (1) exhaust fan and duct work no new roof top units or air handlers meritus cancer services expansion & renovation suite 129
Valuation:
N/A
Permit #:
2021-01927
Status:
complete
Fee:
$540
Permit Type:
N/A
Building Type:
N/A
Non-residential mechanical permit
2022-09-27
Hvac for interior renovations to include removal and replacement of (1) existing ceiling hung split system and (7) diffusers meritus cancer services expansion & renovation suite 129
Valuation:
N/A
Permit #:
2021-03784
Status:
complete
Fee:
$220
Permit Type:
N/A
Building Type:
N/A
Replacing 5 rooftop units adding 8 new rooftop units 5 electric wall heaters and 150 vrf ceiling cassettes. smithsburg high school
Valuation:
N/A
Permit #:
2021-02747
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replacing an existing vav with ductwork and 12 diffusers for 620 sq. ft. interior renovations. meritus medical center 2nd floor
Valuation:
N/A
Permit #:
2022-00042
Status:
issued
Fee:
$220
Permit Type:
N/A
Building Type:
N/A
County non-residential mechanical permit
2021-10-26
Installing 18 new diffusers and branch lines for tenant fit out for meritus women's health specialists robinwood medical phase 3 suite 107
Valuation:
N/A
Permit #:
2021-04269
Status:
complete
Fee:
$220
Permit Type:
N/A
Building Type:
N/A
County non-residential mechanical permit
2020-11-24
New roof top unit and associated duct work for 1, 400 sq. ft. interior renovation. modifications to existing ductwork. meritus cancer services expansion & renovation
Valuation:
N/A
Permit #:
2020-00833
Status:
complete
Fee:
$220
Permit Type:
N/A
Building Type:
N/A
Install two rooftop units and associated ductwork for 4352 sq ft bio mag concrete building on concrete slab and concrete roof with digesters (4) pumps separator compactor ballast mix tank recovery drum and blower room. conococheague treatment plant enr upgrade
Valuation:
N/A
Permit #:
2017-00578
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install three rooftop units and associated ductwork for 1209 sq ft solid handling building concrete and steel construction containing (2) centrifuge sludge transfer conveyor truck leveling conveyor office/store area motor control center electrical room blower room sludge holding tank odor control scrubber and odor control blower conococheague water treatment plant enr upgrade
Valuation:
N/A
Permit #:
2017-00577
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Installing 12, 000 btus mini split system with copper refrigerant line set doeys house
Valuation:
N/A
Permit #:
2023-01214
Status:
complete
Fee:
$220
Permit Type:
N/A
Building Type:
N/A
Install one rooftop unit and associated ductwork for 1232 sq ft one story addition on concrete slab to filter/uv building containing motor control center uv racks and uv power distribution center conococheague treatment plant enr upgrade
Valuation:
N/A
Permit #:
2017-00581
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replacing (1) indoor vav unit and replacing 50 of ductwork in same location for renovation. mertuis regional medical center lot 4
Valuation:
N/A
Permit #:
2020-03657
Status:
issued
Fee:
$220
Permit Type:
N/A
Building Type:
N/A
Install one rooftop unit and associated ductwork for alternation to existing headworks building to addition new garage door close in existing windows and increase concrete flow channel. conococheague treatment plant enr upgrade
Valuation:
N/A
Permit #:
2017-00580
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install galvanized spiral intake and exhaust ductwork to 9 paint/fume hoods
Valuation:
N/A
Permit #:
2023-01522
Status:
complete
Fee:
$140
Permit Type:
N/A
Building Type:
N/A
Installing 21 diffusers and branch lines for tenant fit out for meritus pharmacy
Valuation:
N/A
Permit #:
2021-04270
Status:
issued
Fee:
$220
Permit Type:
N/A
Building Type:
N/A
Non-residential mechanical permit
2022-09-27
Demolish old duct and fan coil units install new vav's and downstream duct install new diffusers 7 vav's 18 diffusers 1 exhaust fan phase 2 meritus cancer services expansion & renovation suite 129
Valuation:
N/A
Permit #:
2021-02476
Status:
complete
Fee:
$700
Permit Type:
N/A
Building Type:
N/A
Non-residential mechanical permit
2022-09-27
Demolish existing duct and fan coil units install new vav's duct and diffusers 5 vav's 16 diffusers 2 exhaust fans phase 5 meritus cancer services expansion & renovation suite 129
Valuation:
N/A
Permit #:
2021-02483
Status:
complete
Fee:
$540
Permit Type:
N/A
Building Type:
N/A
Non-residential mechanical permit
2022-09-27
Demolish existing duct and fan coil units install new vav's duct and diffusers 2 vav's 11 diffusers 1 exhaust fan phase 3 meritus cancer services expansion & renovation suite 129
Valuation:
N/A
Permit #:
2021-02479
Status:
complete
Fee:
$300
Permit Type:
N/A
Building Type:
N/A
Remove and install new fintub for rooms 215 216 211 and install air conditioning 1&2 cu 1&2 and condensate drains and install (17) new vav boxes running from (1) main unit new difusers reinstall some old diffusers and install some new duct for 1307 sq ft interior renovations and new finishes on first floor. 9448 sq ft interior renovations and new finishes on second floor. 18, 366 sq f... see more
Valuation:
N/A
Permit #:
2016-05473
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install (5) roof top units and associated ductwork install louves for generator room for 6600 sq ft one story building to be used as generator rooms with a 208 sq ft enclosed areaway connecting to a new 13, 000 sq ft one story building to include restrooms two concrete pads (672 sq ft each) between buildings both buildings to be constructed on concrete slabs and used as power/data bui... see more
Valuation:
N/A
Permit #:
2017-02310
Status:
complete
Fee:
$540
Permit Type:
N/A
Building Type:
N/A
Non-residential mechanical permit
2022-09-27
Demolish existing duct and fan coil units install new vav's duct and diffusers 2 vav's 10 diffusers phase 4 meritus cancer services expansion & renovation suite 129
Valuation:
N/A
Permit #:
2021-02482
Status:
complete
Fee:
$300
Permit Type:
N/A
Building Type:
N/A
Similar Contractors See more
License # 24713
Hancock, MD
99
BZ Score
-
Avg Project
-
Projects
License # 52831
Clear Spring, MD
94
BZ Score
-
Avg Project
-
Projects
License # 88593
Williamsport, MD
103
BZ Score
-
Avg Project
-
Projects
Bryan John Marker Reviews
BuildZoom hasn't received any reviews for Bryan John Marker. 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
Bryan John Marker License info
Verified License
| License # | 12359 |
| 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 Bryan John Marker 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 # | 2710037971 |
| Status | Active |
| State | Virginia |
| Type | Heating Ventilation And Air Cond. (Mhva) |
- BuildZoom has not verified this license since June, 2025.
Verify this license's status for Bryan John Marker at the Virginia Department of Professional and Occupational Regulation.
This is a sample of licensing data; click here to access a complete history.
99
BuildZoom Score
9
Permits
- Building permit records show that Bryan John Marker has worked on 9 permitted projects.