Updated: Jul 13, 2026
Location and Projects
Address
909 Shenandoah Ct, Joppa, MD, 21085
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William James Cox Plumber
William James Cox, 909 Shenandoah Ct, Joppatowne, MD holds a Plumber license according to the Delaware license board.
Their BuildZoom score of 98 ranks in the top 16% of 58,058 Maryland licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring William James Cox, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
William James Cox Services
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William James Cox Contact Information
Address: 909 Shenandoah Ct, Joppatowne, MD 21085
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William James Cox Joppatowne
Quality
98
84th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
William James Cox has a BuildZoom score of 98, which places them above 84% of 58,058 contractors in Maryland.
Activity
|
6 projects
|
2025 |
|
1 project
|
2024 |
Our building permit records indicate that William James Cox has worked on at least
7.0 projects over the past 2 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
|
7 projects
|
Plumbing projects |
Analyzing permits over the last 4 years shows that William James Cox mostly works on
plumbing project
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.
Plumbing work: new supply and drain lines for 4 full bathrooms kitchen washer electric water heater and sump pump. gas work: 90+ gas furnace gas range gas test separate building permit will be pulled for drain tile and interior renovations. all work will be done to baltimore city code
Valuation:
N/A
Permit #:
BRCM-25-008593
Status:
complete
Fee:
$277
Permit Type:
Interior trades only
Building Type:
N/A
Install (10) # plumbing fixtures (1) # electric water heater (1) # sanitary connection (reconstruction0 (1) # water service pipe (reconstruction) (1) # gas test (1) 80000 btu fuel-burning equip (1) 15000 btu fuel-burning equip as per code
Valuation:
N/A
Permit #:
COM2024-88285
Status:
expired
Fee:
$230
Permit Type:
Other
Building Type:
N/A
New supply and drain lines throughout home for bathrooms and kitchen
Valuation:
N/A
Permit #:
BRCM-25-017296
Status:
complete
Fee:
$214
Permit Type:
Interior trades only
Building Type:
N/A
Fixture swap out
Valuation:
N/A
Permit #:
P02315743
Status:
complete
Fee:
$100
Permit Type:
N/A
Building Type:
Single family dwe...
Replacement of section of gas piping and gas test required per bge after work at neighboring property
Valuation:
$800
Permit #:
BRCM-25-023425
Status:
triage
Fee:
N/A
Permit Type:
Trade work only
Building Type:
N/A
New ductwork for 80k btu 90+ gas furnace 2.5 ton air conditioning condenser 4 exhaust fans and dryer vent. gas piping for furnace and range. new supply and drainage lines through interior for 3.5 bathrooms kitchen sink dishwasher washer and sump pump
Valuation:
$5,000
Permit #:
BRCM-25-021642
Status:
complete
Fee:
$346
Permit Type:
Trade work only
Building Type:
N/A
New supply and drainage for 3.5 bathrooms kitchen washer and sump pump. gas supply lines for furnace and range separate permit for mechanical work. all work will be to baltimore city code
Valuation:
$2,000
Permit #:
BRCM-25-020576
Status:
complete
Fee:
$256
Permit Type:
Trade work only
Building Type:
N/A
New single family dwelling w/16'x10 morning room & 3 decks 24'x14 10'x10 & 16'x12 04/25/03-canceled by owner- no refund
Valuation:
$170,000
Permit #:
B02159342
Status:
canceled
Fee:
$778
Permit Type:
N/A
Building Type:
N/A
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120
BZ Score
-
Avg Project
-
Projects
120
BZ Score
$1.5K
Avg Project
-
Projects
120
BZ Score
$1.5K
Avg Project
-
Projects
William James Cox Reviews
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Verified License
BuildZoom confirmed this contractor's license
William James Cox License info
Verified License
| License # | PL-0012924 |
| Status | Active |
| State | Delaware |
| Type | Plumber |
| Business Type | Individual |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for William James Cox at the State of Delaware.
This is a sample of licensing data; click here to access a complete history.
98
BuildZoom Score
8
Permits
- Building permit records show that William James Cox has worked on 8 permitted projects.
William James Cox Employees
WC
William James Cox
Applicant