Updated: Dec 23, 2025
Location and Projects
Address
22931 Old Hundred Rd, Dickerson, MD, 20842
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Redline Mechanical Service Master
Redline Mechanical Service Master at 22931 Old Hundred Rd, Dickerson, MD 20842, has a BuildZoom score of 106 and ranks in the top 7% of 58,058 Maryland contractors.
If you’re thinking about hiring them, we recommend double-checking their license status with your local licensing authority. Alternatively, use our project planner to be easily matched to qualified, licensed professionals in your area.
Redline Mechanical Service Master Services
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Redline Mechanical Service Master Contact Information
Address: 22931 Old Hundred Rd, Dickerson, MD 20842
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Redline Mechanical Service Master Dickerson
Quality
106
93rd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Redline Mechanical Service Master has a BuildZoom score of 106, which places them above 93% of 58,058 contractors in Maryland.
Activity
|
122 projects
|
2025 |
|
30 projects
|
2024 |
|
29 projects
|
2023 |
Our building permit records indicate that Redline Mechanical Service Master has worked on at least
181.0 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
|
31 projects
|
Home Additions |
|
8 projects
|
Commercial Renovations |
|
30 projects
|
HVAC projects |
Analyzing permits over the last 4 years shows that Redline Mechanical Service Master mostly works on
home addition
and hvac project
projects.
Pricing
|
15 projects
|
< $5k |
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.
Building Permits by Redline Mechanical Service Master
This is a sample of this contractor's permits. Click here to access their complete permit history.
Commercial plumbing addition alteration permit
2023-06-21
Unit 1 camp bow wow/remodel existing doggy daycare center - addition plumbing & gas fixtures - 2-dishwashers 1 - 2 compartment sink 1-disposal 2-washing machine boxes 3-floor drains 2-dog wash bathtubs 2-hair interceptors. run water to all fixtures in copper. we will be tying into existing gas pipe to hook up 2-new furnaces in the ceiling dilp/pr notes: 1) dog wash baths required temp... see more
Valuation:
N/A
Permit #:
P23002603
Status:
complete
Fee:
$281
Permit Type:
N/A
Building Type:
N/A
Single family dwelling install a gas line to a generator bge w.o. #20091859
Valuation:
N/A
Permit #:
P25001065
Status:
complete
Fee:
$78
Permit Type:
N/A
Building Type:
N/A
Residential plumbing addition alteration permit
2025-05-21
Single family dwelling install a gas line to a generator bge wo# 20110009
Valuation:
N/A
Permit #:
P25002117
Status:
complete
Fee:
$78
Permit Type:
N/A
Building Type:
N/A
Single family dwelling install (1) 1000 gallon underground propane tank
Valuation:
N/A
Permit #:
B25001445
Status:
complete
Fee:
$110
Permit Type:
N/A
Building Type:
N/A
Residential plumbing replacement of gas furnace & gas water heater
Valuation:
N/A
Permit #:
PLBG-250693
Status:
applied
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
(bcv-240835) residential plumbing replacement of an oil furnace
Valuation:
N/A
Permit #:
PLBG-250588
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Residential plumbing replacement of furnace & water heater
Valuation:
N/A
Permit #:
PLBG-250619
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Residential plumbing replacement of furnace & water heater
Valuation:
N/A
Permit #:
PLBG-250616
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Residential plumbing replacement of furnace & water heater
Valuation:
N/A
Permit #:
PLBG-250615
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Gas water heater/plumbing - other (add note to comments)
Valuation:
N/A
Permit #:
SFP-1532582-2025
Status:
expired
Fee:
$160
Permit Type:
N/A
Building Type:
N/A
Residential plumbing replacement of a gas furnace
Valuation:
N/A
Permit #:
PLBG-250622
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Residential plumbing replacement of a gas furnace
Valuation:
N/A
Permit #:
PLBG-250621
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Residential plumbing replacement of a gas furnace
Valuation:
N/A
Permit #:
PLBG-250620
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Residential plumbing replacement of gas water heater
Valuation:
N/A
Permit #:
PLBG-250595
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Residential plumbing replacement of a gas furnace
Valuation:
N/A
Permit #:
PLBG-250589
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Residential plumbing replacement of 1 gas fixture
Valuation:
N/A
Permit #:
PLBG-250569
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Residential plumbing replacement of a furnace
Valuation:
N/A
Permit #:
PLBG-250618
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Residential plumbing replacement of furnace
Valuation:
N/A
Permit #:
PLBG-250617
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Residential plumbing replacement of gas furnace
Valuation:
N/A
Permit #:
PLBG-250596
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Residential plumbing replacement of gas furnace
Valuation:
N/A
Permit #:
PLBG-250594
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Redline Mechanical Service Master License info
License Not Required
| Status | Not Required |
- BuildZoom verified in January, 2023 that this contractor does not need a license to be a contractor in Maryland.
This is a sample of licensing data; click here to access a complete history.
106
BuildZoom Score
231
Permits
- Building permit records show that Redline Mechanical Service Master has worked on 231 permitted projects.