Updated: Apr 21, 2026
Location and Projects
Address
Bel Air, MD, 21014
Use our bidding system to
request a quote
Jeffrey Peter Knorr Plumber
Jeffrey Peter Knorr, Bel Air, MD holds a Plumbers license according to the Maryland license board.
Their BuildZoom score of 91 ranks in the top 37% of 58,058 Maryland licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Jeffrey Peter Knorr, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Jeffrey Peter Knorr Services
Start a project today:
Jeffrey Peter Knorr Contact Information
Do you work for this business? Unlock this free profile to update company info and see who's viewing your profile.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Rough-in and trim-out 1 new water closet and 1 new lavatory
Valuation:
$0
Permit #:
P12002534
Status:
Completed
Fee:
$55
Permit Type:
N/A
Building Type:
N/A
Relocate washing machine box
Valuation:
$0
Permit #:
P12002874
Status:
Completed
Fee:
$55
Permit Type:
N/A
Building Type:
N/A
Residential plumbing addition alteration permit
2007-06-22
Single family dwelling install basement bathroom & bar sink 1-shower/1-lav/1-water closet
Valuation:
N/A
Permit #:
P07002488
Status:
complete
Fee:
$94
Permit Type:
N/A
Building Type:
N/A
Single family dwelling install basement bathroom 1-bathtub/1-lav/1-water closet
Valuation:
N/A
Permit #:
P09000151
Status:
complete
Fee:
$89
Permit Type:
N/A
Building Type:
N/A
Single family dwelling install gas line to gas fireplace standard low pressure
Valuation:
N/A
Permit #:
P08003935
Status:
complete
Fee:
$78
Permit Type:
N/A
Building Type:
N/A
Install 1 water closet 1 shower 1 lavatory and 1 kitchen sink
Valuation:
$0
Permit #:
P09003392
Status:
Completed
Fee:
$55
Permit Type:
N/A
Building Type:
N/A
Install 1 water closet 1 shower 1 lavatory and 1 kitchen sink
Valuation:
N/A
Permit #:
P09003392
Status:
complete
Fee:
$55
Permit Type:
N/A
Building Type:
N/A
Install 4 fixtures - basement bathroom and wet bar express
Valuation:
N/A
Permit #:
P07000206
Status:
complete
Fee:
$55
Permit Type:
N/A
Building Type:
N/A
Express -- bar sink in finished basement b08000156
Valuation:
N/A
Permit #:
P08000198
Status:
complete
Fee:
$55
Permit Type:
N/A
Building Type:
N/A
C-18936 basement bathroom & bar sink
Valuation:
N/A
Permit #:
P06001610
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Rough-in and trim-out 1 new water closet and 1 new lavatory
Valuation:
N/A
Permit #:
P12002534
Status:
complete
Fee:
$55
Permit Type:
N/A
Building Type:
N/A
Relocate washing machine box
Valuation:
N/A
Permit #:
P12002874
Status:
complete
Fee:
$55
Permit Type:
N/A
Building Type:
N/A
Ppis permit 0995043
Valuation:
N/A
Permit #:
PFG-0995043-2016
Status:
issued
Fee:
N/A
Permit Type:
Additional fixtur...
Building Type:
N/A
Plumbing express permit expired via batch job on 7/7/2010
Valuation:
N/A
Permit #:
P07000207
Status:
expired
Fee:
$55
Permit Type:
N/A
Building Type:
N/A
Similar Contractors See more
120
BZ Score
-
Avg Project
-
Projects
120
BZ Score
$1.5K
Avg Project
-
Projects
120
BZ Score
$1.5K
Avg Project
-
Projects
Jeffrey Peter Knorr Reviews
BuildZoom hasn't received any reviews for Jeffrey Peter Knorr. Click here to be alerted when reviews are posted about them.
Recent Buildzoom Projects
Let us find you a plumber in your area today
We'll search our vast network of Plumbers and connect
you with one that meets your needs today.
Verified License
BuildZoom confirmed this contractor's license
Jeffrey Peter Knorr License info
Verified License
| License # | 20290 |
| Status | Active |
| State | Maryland |
| Type | Plumbers |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Jeffrey Peter Knorr at the Maryland Department of Labor, Licensing & Regulation.
This is a sample of licensing data; click here to access a complete history.
91
BuildZoom Score
11
Permits
- Building permit records show that Jeffrey Peter Knorr has worked on 11 permitted projects.
Jeffrey Peter Knorr Employees
JK
Jeffrey Peter Knorr
Owner