Updated: Jul 14, 2026
Location and Projects
Address
Catonsville, MD, 21228
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Madison Mechanical Contracting, LLC Master
Madison Mechanical Contracting, LLC Master, holds a Gas Fitting (Gfc), Heating Ventilation And Air Conditioning (Hva), Plumbing (Plb) license and 1 other license according to the Virginia license board.
Their BuildZoom score of 106 ranks in the top 7% of 58,058 Maryland licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Madison Mechanical Contracting, LLC Master, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Madison Mechanical Contracting, LLC Master Services
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Madison Mechanical Contracting, LLC Master Contact Information
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Madison Mechanical Contracting, LLC Master
Quality
106
93rd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Madison Mechanical Contracting, LLC Master has a BuildZoom score of 106, which places them above 93% of 58,058 contractors in Maryland.
Activity
|
81 projects
|
2025 |
|
25 projects
|
2024 |
|
11 projects
|
2023 |
Our building permit records indicate that Madison Mechanical Contracting, LLC Master has worked on at least
117.0 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
|
87 projects
|
New Constructions |
|
5 projects
|
Commercial Renovations |
|
4 projects
|
Home Additions |
Analyzing permits over the last 4 years shows that Madison Mechanical Contracting, LLC Master mostly works on
new construction
and commercial renovation
projects.
Pricing
|
89 projects
|
< $5k |
|
1 project
|
$20k-$50k |
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 Madison Mechanical Contracting, LLC Master
This is a sample of this contractor's permits. Click here to access their complete permit history.
Building b/waverly winds apartments 67-bathtubs 36-showers 103-lavs 103-water closets 68-kitchen sinks 68-washing machine connections 68-dishwashers 69-disposals 6-sill cocks 1-sump pump 1-mop sink 3- 4 floor drains 69-condensate drains 69-electric water heaters 1-6 wilkins 350 ast back flow preventer double check 1-4 wilkins 375 osy back flow rpz
Valuation:
N/A
Permit #:
P25002353
Status:
issued
Fee:
$7,640
Permit Type:
N/A
Building Type:
N/A
Building a/waverly winds apartments 50-bathtubs 35-showers 85-lavs 85-water closets 56-kitchen sinks 55-washing machine connections 56-dishwashers 56-disposals 1-ice maker 6-sill cocks 1-sump pump 1-mop sink 4-floor drains 56-condensate drains 56 electric water heaters 1-4 wilkins 3750sy back flow preventer 1-6 wilkins 350 ast (dcda) back flow preventer double check w detector assembl... see more
Valuation:
N/A
Permit #:
P25002349
Status:
issued
Fee:
$6,353
Permit Type:
N/A
Building Type:
N/A
Mf roslyn rise nine llc construct new multi family dwelling 72-bathtubs 30-showers, 105-lavs 105-water closets 60-kitchen sinks 59-washing mach. conn 59-dishwashers 59-disposals 59-icemakers 4-mop sinks 5-floor drains 60-condensate lines 1-drinking fountain 60-electric water heaters **gas** 1-generator 2-rtu's
Valuation:
N/A
Permit #:
P23001239
Status:
complete
Fee:
$7,294
Permit Type:
N/A
Building Type:
N/A
Mf roslyn rise four new multi family dwelling 100-bathtubs 41-showers 141-lavs 141-water closets 94-kitchen sinks 94-washing machine connections 94-dishwashers 94-disposals 94-ice makers 4-mop sinks 4-floor drains 94-condensate drains 1-drinking fountain 95-electric water heaters **gas** 2-rtu's 1-generator
Valuation:
N/A
Permit #:
P23001237
Status:
complete
Fee:
$10,973
Permit Type:
N/A
Building Type:
N/A
Mf roslyn rise four foundation only install plumbing groundwork - 1-sewer ejector 3-sump pumps 13 floor drains 2- condensate drains 1- 4 trench drain 1- domestic water backflow preventer - 4 watts rpz dcdalf 1-fireline supply backflow preventer - 6 watts double check 757dcda
Valuation:
N/A
Permit #:
P23000260
Status:
complete
Fee:
$595
Permit Type:
N/A
Building Type:
N/A
New tenant fit out in existing building - suite 201 - natural aesthetic medspa - (4) vanity style sinks in treatment rooms (1) kitchenette (1) ada comparable powder room df/bottle filler combo.<div>related building permit #: 496270</div>
Valuation:
N/A
Permit #:
498004
Status:
complete
Fee:
$330
Permit Type:
Plumbperm
Building Type:
N/A
Mf roslyn rise nine llc foundation permit includes slab plumbing for under slab ground work install 1- sewer ejector 1-sump pump 12-floor drains 1-condensate drain 1-trench drain 1-sand trap 1 domestic water - 4 rpz back flow watts dcdalf 1-fire protection - 6 double check back flow watts 757 dcda sanitary sewer 6 pvc @ 240 storm sewer 4 pvc @ 240 water line 6 ductile @ 10
Valuation:
N/A
Permit #:
P22004543
Status:
complete
Fee:
$738
Permit Type:
N/A
Building Type:
N/A
[none] - 2106 belvedere blvd
Valuation:
$2,075
Permit #:
PFG-1422661-2023
Status:
final
Fee:
$579,945
Permit Type:
N/A
Building Type:
N/A
Covert nourishment ctr to kitchen-replace hand sink-3 compsink-flr sink w/plumbing-grease interceptor-trap primer and replace toilet line to adjust toilet-move water lines
Valuation:
N/A
Permit #:
P02318406
Status:
complete
Fee:
$330
Permit Type:
N/A
Building Type:
Apartment
Replace 1 each exact replacement tub tub/shwr diverter/lav toilet/sink
Valuation:
N/A
Permit #:
P02320870
Status:
complete
Fee:
$126
Permit Type:
N/A
Building Type:
Apartment
Replace 1 each exact replacement tub tub/shwr diverter/lav toilet/sink
Valuation:
N/A
Permit #:
P02320869
Status:
complete
Fee:
$126
Permit Type:
N/A
Building Type:
Apartment
Replace 1 each exact replacement tub tub/shwr diverter/lav toilet/sink
Valuation:
N/A
Permit #:
P02320868
Status:
complete
Fee:
$126
Permit Type:
N/A
Building Type:
Apartment
Replace 1 each exact replacement tub tub/shwr diverter/lav toilet/sink
Valuation:
N/A
Permit #:
P02320867
Status:
complete
Fee:
$126
Permit Type:
N/A
Building Type:
Apartment
Replace 1 each exact replacement tub tub/shwr diverter/lav toilet/sink
Valuation:
N/A
Permit #:
P02320866
Status:
complete
Fee:
$126
Permit Type:
N/A
Building Type:
Apartment
Sfd: install plumbing fixtures in garage: 1 - bathtub 1 - lav 1 - water closet 1 - sink 1 - laundry tray 1- sill cock 1- condensate drain gas fixtures: 1 - water heater 1 - unit heater */* 10.19.2021 amendment to addition gas fixtures: 1-furnace 1-unit heater *
Valuation:
N/A
Permit #:
P21001995
Status:
complete
Fee:
$227
Permit Type:
N/A
Building Type:
N/A
Commercial plumbing addition alteration permit
2021-01-21
Hickory ridge village renovate 108 units apartment replace and install plumbing fixtures; (first floor) 28 - bathtub 1 - urinal 39 - lav 40 - water closet 39 - kitchen sink (second floor): 40 - bathtub 40 - lav 40 - water closet 40 - kitchen sink (third floor): 40 - bathtub 40 - lav 40 - water closet 40 - kitchen sink 8 - roof drains
Valuation:
N/A
Permit #:
P21000253
Status:
complete
Fee:
$2,712
Permit Type:
N/A
Building Type:
N/A
Largo building a - 000360 sky bridge dr
Valuation:
N/A
Permit #:
PFG-1285334-2019
Status:
final
Fee:
$440,262
Permit Type:
N/A
Building Type:
N/A
Adding gas roof top units connecting to original gas piping
Valuation:
N/A
Permit #:
PG00041161
Status:
complete
Fee:
$155
Permit Type:
N/A
Building Type:
N/A
Renovate laundry room replace water heater addition lint interceptor redo water piping & drains addition new laundry fixtures
Valuation:
$594,274
Permit #:
PLBG-191524
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Renovate laundry room replace water heater addition lint interceptor redo water piping & drains addition new laundry fixtures
Valuation:
$594,274
Permit #:
PLBG-191522
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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BZ Score
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Madison Mechanical Contracting, LLC Master Reviews
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Verified License
BuildZoom confirmed this contractor's license
Madison Mechanical Contracting, LLC Master License info
Verified License
| License # | 2705164602 |
| Status | Active |
| State | Virginia |
| Type | Gas Fitting (Gfc), Heating Ventilation And Air Conditioning (Hva), Plumbing (Plb) |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Madison Mechanical Contracting, LLC Master at the Virginia Department of Professional and Occupational Regulation.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 6420 |
| Status | Active |
| State | Maryland |
- When BuildZoom last verified this license, it had an expiration date of June, 2022. Check the current license status of Madison Mechanical Contracting, LLC Master with the Maryland Department of Labor, Licensing & Regulation
This is a sample of licensing data; click here to access a complete history.
106
BuildZoom Score
720
Permits
- Building permit records show that Madison Mechanical Contracting, LLC Master has worked on 720 permitted projects.