Updated: May 30, 2026
Location and Projects
Address
Marriottsville, MD, 21104
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Mayne Mechanical
Mayne Mechanical, Marriottsville, MD (Owned by: George Edward Mayne) holds a Heating, Ventilation, Air Conditioning And Refrigeration license and 1 other license according to the Maryland license board.
Their BuildZoom score of 107 ranks in the top 6% of 58,058 Maryland licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Mayne Mechanical, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Mayne Mechanical Contact Information
Phone Number: (410) 781-0390
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Mayne Mechanical Marriottsville
Quality
107
94th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Mayne Mechanical has a BuildZoom score of 107, which places them above 94% of 58,058 contractors in Maryland.
Activity
|
4 projects
|
2025 |
|
9 projects
|
2024 |
|
11 projects
|
2023 |
Our building permit records indicate that Mayne Mechanical has worked on at least
24.0 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
|
13 projects
|
Mechanical projects |
|
12 projects
|
HVAC projects |
Analyzing permits over the last 4 years shows that Mayne Mechanical mostly works on
mechanical project
and hvac project
projects.
Pricing
|
1 project
|
< $5k |
|
5 projects
|
$5k-$20k |
|
4 projects
|
$20k-$50k |
|
4 projects
|
$50k-$100k |
|
1 project
|
$100k-$250k |
|
1 project
|
$250k-$500k |
The typical size of their permits is approximately $30,400. 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.
Lgc clinical diagnostics intends to lease additional floor space adjacent to their existing lease area. this project includes nonstructural interior renovations to the expanded lease area such as partitions flooring finishes ceiling grid and tile lighting fixtures hvac distribution systems and electrical power receptacles and conductors back to panels and similar items. the new lease ... see more
Valuation:
$350,000
Permit #:
CIMP-29544-2022
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
1) provide and install ductwork sealer 1.5” insulation 1” sound liner etc. for a complete air distribution system 2) provide demolition of existing units reclaim refrigerant and the demolition of existing ductwork and air devices 3) provide refrigerant and condensate piping for two (2) split systems 4) provide control wiring and accessories for a stand?alone control system 5) provide ... see more
Valuation:
$69,850
Permit #:
M02213121
Status:
complete
Fee:
$55
Permit Type:
N/A
Building Type:
N/A
Relocation of two (2) indoor air handling units make necessary refrigerant piping modifications make necessary supply air return air and exhaust air modifications provide and install one (1) ceiling exhaust fan provide and install thirty-eight (38) ceiling supply air and return air devices
Valuation:
$30,400
Permit #:
M02213970
Status:
complete
Fee:
$207
Permit Type:
N/A
Building Type:
N/A
Commercial plumbing addition alteration permit
2024-08-14
Nov/suite 109/best in class/alterations to existing domestic and sanitary plumbing systems to accommodate new tenant fit out - 2 ada water closets 2-ada wall hung lavatories for men's and women's rest rooms 1-6 gallon electric water heater above ceiling. (see cp240402)
Valuation:
N/A
Permit #:
P24003451
Status:
complete
Fee:
$227
Permit Type:
N/A
Building Type:
N/A
Suite 100/nvr inc provide fixtures and install sanitary and domestic piping from existing mains to new fixtures. this will include concrete cutting and pour back. fixtures: 5 stainless steel sinks with faucets and disposals 5 electric water heaters
Valuation:
N/A
Permit #:
P24002664
Status:
complete
Fee:
$402
Permit Type:
N/A
Building Type:
N/A
Suite 400/howard county department of utilities/alterations to existing sanitary and domestic plumbing systems to accommodate new tenant fit out. fixtures: 7) floor mounted water closets with flushometers 4) wall hung lavatories with faucets 3) drop in lavatories with faucets 3) urinals with flushometers 1) stainless lab sink with faucet 1) stainless pantry sink with faucet 1) ada wat... see more
Valuation:
N/A
Permit #:
P24001315
Status:
complete
Fee:
$50
Permit Type:
N/A
Building Type:
N/A
Commercial plumbing addition alteration permit
2024-02-21
Unit t cenero/fixtures to be installed: (1) undermount sinks with faucet. one (1) undermount stainless steel sink with faucet one (1) floor mounted water closet touchless flushometer one (1) wall hung sink with faucet. one (1) urinal with flushometer three (3) floor mounted water closets touchless flushometer four (4) undermount lavatory sinks with touchless faucets one (1) wall hung ... see more
Valuation:
N/A
Permit #:
P24000725
Status:
complete
Fee:
$177
Permit Type:
N/A
Building Type:
N/A
Suite 420 howard county police dept/interior alterations to plumbing provide and install sanitary piping from existing mains to all new fixtures/provide domestic water piping from existing water service to all new fixtures/(10) water closets(4) urinals(3) wall hung lavatory sinks with faucets(8) integral lavatory sinks (by others) with faucets(1) laundry with faucets(2) handicapped fi... see more
Valuation:
N/A
Permit #:
P22004572
Status:
complete
Fee:
$50
Permit Type:
N/A
Building Type:
N/A
Installation of stand alone hvac system including new ductwork and diffusers
Valuation:
$18,340
Permit #:
M02226085
Status:
complete
Fee:
$231
Permit Type:
N/A
Building Type:
N/A
Provide and install two (2) water closets two (2) wall-hung lavatory sinks one (1) electric water heater, one (1) service sink and one (1) electric water cooler necessary new sanitary piping necessary new water piping
Valuation:
N/A
Permit #:
P02309720
Status:
complete
Fee:
$75
Permit Type:
N/A
Building Type:
N/A
Commercial plumbing addition alteration permit
2023-06-06
Suite-g/petwell clinic interior alteration. one relocated sink with new laundry tray pump. two new exam room sinks with faucets and asse1070 mixing valves
Valuation:
N/A
Permit #:
P23002341
Status:
complete
Fee:
$122
Permit Type:
N/A
Building Type:
N/A
Commercial plumbing addition alteration permit
2022-12-16
Fulton bank/install one new replacement electric water cooler drinking fountain with bottle filler station and install one water line for gray box for coffee maker watts #sd-3 3/8 backflow device
Valuation:
N/A
Permit #:
P22005092
Status:
complete
Fee:
$166
Permit Type:
N/A
Building Type:
N/A
Suite o acorn health install plumbing fixtures: replace & install 1 - water heater relocate & install 1 - ada water closet install 1- backflow preventer (for ice maker) zurn wilkins 700xl dcda install 1 - ice maker connect to water line in break room
Valuation:
N/A
Permit #:
P21002817
Status:
complete
Fee:
$221
Permit Type:
N/A
Building Type:
N/A
Alterations to existing ductwork to accommodate new tenant layout relocate ductless wall hung fan coil
Valuation:
$6,277
Permit #:
M02230208
Status:
complete
Fee:
$129
Permit Type:
N/A
Building Type:
N/A
Duct installation only - restroom exh. fan (2) exh duct thru roof (1) - interior renovation for the demolition and installation of new restrooms with
Valuation:
N/A
Permit #:
202102341
Status:
issued
Fee:
N/A
Permit Type:
Hvacr
Building Type:
N/A
Suite b-1 pepsi install plumbing & gas fixtures 4-urinals/4-lavs/4-water closets/1-kitchen sink/1-single comparable sink/1-laundry tray/1-emergency shower eyewash/1-floor sink/3-floor drains/1-drinking fountain/2-elec water heaters gas - 4-roof top units (5psi natural) **amendment 5/18/2020 delete one water heater change emergency shower eyewash to straight emergency eye wash station**
Valuation:
N/A
Permit #:
P20001170
Status:
complete
Fee:
$545
Permit Type:
N/A
Building Type:
N/A
[none] - 1520 cabin branch dr
Valuation:
$34
Permit #:
PFG-1523739-2025
Status:
issued
Fee:
$19,424
Permit Type:
N/A
Building Type:
N/A
Heating and air condition system (2) ductless split system roof exhaust fan electric wall heater - new tenant for suite 200 449 741 sq ft offi
Valuation:
N/A
Permit #:
202103860
Status:
issued
Fee:
N/A
Permit Type:
Hvacr
Building Type:
N/A
Exhaust system install kitchen exhaust hoods with roof fans and m akeup air unit
Valuation:
$37,000
Permit #:
M02207444
Status:
complete
Fee:
$243
Permit Type:
N/A
Building Type:
N/A
Alterations to existing duct work and air handling equipment to accommodate new tenant requirements
Valuation:
$29,469
Permit #:
M02223223
Status:
complete
Fee:
$202
Permit Type:
N/A
Building Type:
N/A
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BZ Score
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Verified License
BuildZoom confirmed this contractor's license
Mayne Mechanical License info
Verified License
| License # | 6804 |
| 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 Mayne Mechanical at the Maryland Department of Labor, Licensing & Regulation.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CON-2670 |
| Status | Inactive |
| City | Annapolis |
| Type | Mech Cont |
- According to the The City of Annapolis, MD, 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 Mayne Mechanical at the The City of Annapolis, MD.
This is a sample of licensing data; click here to access a complete history.
107
BuildZoom Score
264
Permits
- Building permit records show that Mayne Mechanical has worked on 264 permitted projects.
Mayne Mechanical Employees
GM
George Edward Mayne
Owner
GM
George Mayne
Owner