Updated: Nov 13, 2025
Location and Projects
Address
3400 Mail Rd, Westminster, MD, 21157
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PSI plumbing Photos
PSI plumbing
A full service commercial and residential plumbing company. From a small leak to a full sewer replacement, we can handle any job big or small. Our clients include restaurants, hospitals, hotels, and government facilities.
From BuildZoom:
PSI plumbing at 3400 Mail Rd, Westminster, MD 21157, has a BuildZoom score of 113 and ranks in the top 3% 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 bidding system to be easily matched to qualified, licensed professionals in your area.
PSI plumbing Services
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PSI plumbing Contact Information
Phone Number: (443) 280-4417
Address: 3400 Mail Rd, Westminster, MD 21157
PSI plumbing Westminster
Quality
113
97th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
PSI plumbing has a BuildZoom score of 113, which places them above 97% of 58,058 contractors in Maryland.
Activity
|
30 projects
|
2025 |
|
30 projects
|
2024 |
|
3 projects
|
2023 |
|
7 projects
|
2022 |
Our building permit records indicate that PSI plumbing has worked on at least
70.0 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
|
9 projects
|
Home Additions |
|
67 projects
|
Plumbing projects |
|
9 projects
|
Sewer laterals |
Analyzing permits over the last 4 years shows that PSI plumbing mostly works on
plumbing project
and sewer lateral
projects.
Pricing
|
2 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.
This is a sample of this contractor's permits. Click here to access their complete permit history.
The job will involve a standard three-piece bathroom (including a tub/shower combo single bowl vanity and a toilet) as well as a new wet bar sink. there's an existing macerator pump that was built into the slab and groundwork when the house was constructed and it's already vented
Valuation:
N/A
Permit #:
P02325164
Status:
filed
Fee:
$126
Permit Type:
N/A
Building Type:
Single family dwe...
Demolish existing propane ventless log in the basement. run the gas line for that log to the new one on the first floor. gas line to go out of exterior into the wall of the fireplace. 1-gas fireplace
Valuation:
N/A
Permit #:
P25001335
Status:
complete
Fee:
$78
Permit Type:
N/A
Building Type:
N/A
Residential plumbing addition alteration permit
2025-01-27
Sfd/installation of bathroom in first floor addition into sewer ejector pump tying into the main sewer. fixtures: 1 shower 1 bathroom vanity 1 toilet 1 hose bib all on first floor
Valuation:
N/A
Permit #:
P25000332
Status:
complete
Fee:
$94
Permit Type:
N/A
Building Type:
N/A
Installing connections for 8 units. installation of one 2 backflow preventer and one 6 backflow preventer. installing 8 future water connections 16 future sewer connections and 16 future vent connections. 8 gas furnace connections 2-270 000btu and 6-125 000btu. one 3 floor drain and four 4 cleanouts. 4 hosebibs
Valuation:
N/A
Permit #:
P02318648
Status:
filed
Fee:
$125
Permit Type:
N/A
Building Type:
N/A
C.a. lindman inc/all building fixtures are currently existing building was built approx. 25 years ago without documentation. all fixtures listed in this permit are documented in as built drawings per the building permit #b23000146. fixtures: 1st floor - (1) water closet (1) urinal (1) shower (1) lavatory faucet (1) mop sink (1) electric water heater
Valuation:
N/A
Permit #:
P24002316
Status:
canceled
Fee:
$182
Permit Type:
N/A
Building Type:
N/A
17 - (nr) - remodeling/additional work/tenant space
2025-03-31
[qtr] - united service specialists - 321 prince george st
Valuation:
$1
Permit #:
PFG-1535603-2025
Status:
issued
Fee:
$570
Permit Type:
N/A
Building Type:
N/A
8 gas furnace connections 2-270 000 btu and 6-125 000 btu
Valuation:
N/A
Permit #:
PG00036741
Status:
filed
Fee:
$112
Permit Type:
N/A
Building Type:
N/A
Install new water/sewer connections; cc's paid on bp
Valuation:
N/A
Permit #:
W2509906180
Status:
filed
Fee:
$145
Permit Type:
N/A
Building Type:
N/A
Water service - replaced (residential only)
Valuation:
N/A
Permit #:
SFP-1532918-2025
Status:
expired
Fee:
$160
Permit Type:
N/A
Building Type:
N/A
Water service - replaced (residential only)
Valuation:
N/A
Permit #:
SFP-1528079-2025
Status:
final
Fee:
$160
Permit Type:
N/A
Building Type:
N/A
Replacement of existing water service
Valuation:
N/A
Permit #:
P02323079
Status:
complete
Fee:
$43
Permit Type:
N/A
Building Type:
Single family dwe...
Installation of bathroom in new second floor addition (toilet double vanity shower) installation of new laundry box on second floor
Valuation:
N/A
Permit #:
P02313532
Status:
complete
Fee:
$75
Permit Type:
N/A
Building Type:
Single family dwe...
Sewer lateral - repair
Valuation:
N/A
Permit #:
SFP-1535593-2025
Status:
expired
Fee:
$160
Permit Type:
N/A
Building Type:
N/A
Residential plumbing addition alteration permit
2024-06-16
Installation of new sewer line to existing sewer tap. abandoning old line to septic system
Valuation:
N/A
Permit #:
P24002474
Status:
complete
Fee:
$215
Permit Type:
N/A
Building Type:
N/A
Installation of new bathroom in basement with sewer ejector. installation of new laundry box and sink in basement of new addition. fixtures: 1 shower basement 1 lavatory basement 1 water closet basement 1 washing machine connection basement 1 laundry tray basement 1. sewer ejector basement
Valuation:
N/A
Permit #:
P24001731
Status:
complete
Fee:
$127
Permit Type:
N/A
Building Type:
N/A
Installing a kitchenette sink bathroom and washer box in basement. installing a bar sink on first floor
Valuation:
N/A
Permit #:
P02313531
Status:
filed
Fee:
$85
Permit Type:
N/A
Building Type:
Single family dwe...
Residential plumbing addition alteration permit
2023-02-17
Single family dwelling install wet bar and 1 fb in basement 1-shower 1-lav 1-water closet 1-ice maker
Valuation:
N/A
Permit #:
P23000782
Status:
complete
Fee:
$94
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
PFG-1549544-2025
Status:
final
Fee:
$275
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
FG-1546444-2025
Status:
final
Fee:
$275
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
PFG-1543071-2025
Status:
issued
Fee:
$470
Permit Type:
N/A
Building Type:
N/A
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PSI plumbing License info
License Not Required
| Status | Not Required |
- BuildZoom verified in January, 2021 that this contractor does not need a license to be a plumber in Maryland.
This is a sample of licensing data; click here to access a complete history.
113
BuildZoom Score
86
Permits
- Building permit records show that PSI plumbing has worked on 86 permitted projects.