Updated: Apr 10, 2026
Location and Projects
Address
12324 Wilkens Avenue, Rockville, MD, 20852
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John K Sohn Plumber
Their BuildZoom score of 0 does not rank in the top 50% of Maryland contractors.
If you are thinking of hiring John K Sohn, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
John K Sohn Services
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John K Sohn Contact Information
Address: 12324 Wilkens Avenue, Rockville, MD 20852
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John K Sohn Rockville
Quality
Alert*
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
*No active license on file. If you are John K Sohn, click “This is My Business” to update your information.
Activity
|
1 project
|
2025 |
|
1 project
|
2024 |
Our building permit records indicate that John K Sohn has worked on at least
2.0 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.
Pricing
|
1 project
|
< $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.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Removal of non-bearing wall and replacing kitchen and bathrooms 1.demo & replace kitchen cabinets & appliances. 2. remove non load bearing wall between kitchen & dining room 3. replace existing half bathroom replacement of bathrooms by construction of partition walls and finishes. as per code and as per plans
Valuation:
$30,000
Permit #:
BRCM-25-008487
Status:
complete
Fee:
$277
Permit Type:
Interior alterati...
Building Type:
N/A
Non-residential tenant improvement permit
2024-10-22
Tenant improvement; no change to space
Valuation:
$500
Permit #:
B02430472
Status:
expired
Fee:
$75
Permit Type:
N/A
Building Type:
N/A
202l of stone rip rap 4 channelward ** all work to be done by barge rev 9-6 send ltr to grading rev 2-21-7 submitted mde approval jb
Valuation:
$11,700
Permit #:
B02230467
Status:
canceled
Fee:
$105
Permit Type:
N/A
Building Type:
N/A
Non-residential tenant improvement permit
2003-02-10
Wings things & more carry out tenant fit out * rev.8/23/02(dlw) not a 1st time tenant
Valuation:
$2,300
Permit #:
B02180700
Status:
canceled
Fee:
$440
Permit Type:
Tenant
Building Type:
Mercantile/retail...
Construct a 35'l x 6'w pier w/a 50'l x 6'w l section 7-21-6 per cmnts jm
Valuation:
$5,000
Permit #:
B02229459
Status:
canceled
Fee:
$75
Permit Type:
N/A
Building Type:
N/A
Cnst 11x40 irregular shaped deck
Valuation:
$5,000
Permit #:
B02241823
Status:
canceled
Fee:
$95
Permit Type:
N/A
Building Type:
N/A
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BZ Score
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John K Sohn License info
License Not Verified
| License # | 87578 |
| Status | Active |
| State | Maryland |
- When BuildZoom last verified this license, it had an expiration date of July, 2015. Check the current license status of John K Sohn with the Maryland Department of Labor, Licensing & Regulation
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 63672 |
| Status | Inactive |
| State | Maryland |
| Type | Heating, Ventilation, Air Conditioning And Refrigeration |
- According to the Maryland Department of Labor, Licensing & Regulation, 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 John K Sohn 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 # | 99670 |
| Status | Inactive |
| State | Maryland |
| Type | Plumbers |
- According to the Maryland Department of Labor, Licensing & Regulation, 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 John K Sohn at the Maryland Department of Labor, Licensing & Regulation.
This is a sample of licensing data; click here to access a complete history.
ALERT*
BuildZoom Score
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- *No active license on file. If you are John K Sohn, click “This is My Business” to update your information.
John K Sohn Employees
JS
John K Sohn
Owner