Updated: May 11, 2026
Location and Projects
Address
PO BOX 1293, Edmonds, WA, 98020
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Northern Waters Plumber
Northern Waters Inc, Edmonds, Po Box 1293, Edmonds, WA (Owned by: Arthur, Sheldon David) holds a Construction Contractor, General license and 12 other licenses according to the Tukwila license board.
Their BuildZoom score of 105 ranks in the top 8% of 128,670 Washington licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Northern Waters Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Northern Waters Inc Services
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Northern Waters Inc Contact Information
Phone Number: (256) 729-2420
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Address: PO BOX 1293, Edmonds, WA 98020
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Type: plumbing single family class: alteration to structure or system bischofberger-(1)backflow prevention assembly
Valuation:
N/A
Permit #:
PSF25-07339
Status:
final
Fee:
$60
Permit Type:
N/A
Building Type:
N/A
Type: plumbing - plumbing class: import, , install backflow device for lawn sprinkling. certified backflow test report must be at job site when requesting inspection, , project: walsh/ele lv
Valuation:
N/A
Permit #:
BLD95-00675
Status:
final
Fee:
$27
Permit Type:
N/A
Building Type:
N/A
A single family residential alteration to existing structure none project involving (1 back flow preventer - 2")
Valuation:
N/A
Permit #:
23 115255 BN
Status:
final
Fee:
$85
Permit Type:
N/A
Building Type:
N/A
A single family residential alteration to existing structure none project involving (1 back flow preventer - 2")
Valuation:
N/A
Permit #:
23 115254 BN
Status:
issued
Fee:
$85
Permit Type:
N/A
Building Type:
N/A
Type: plumbing multifamily - pmf class: replacement, , breakwater condos; dock - back flow preventer; dock or pier;
Valuation:
N/A
Permit #:
PMF21-01896
Status:
final
Fee:
$56
Permit Type:
N/A
Building Type:
N/A
Type: plumbing multifamily class: replacement, , chartwater condos; dock - back flow preventer; dock or pier;
Valuation:
N/A
Permit #:
PMF21-01895
Status:
final
Fee:
$56
Permit Type:
N/A
Building Type:
N/A
A single family residential alteration to existing structure electrical project involving (1 well pump 1 added or altered branch circuits) electrical to be run from garage along south side of house to pump and vfd under back stairs
Valuation:
N/A
Permit #:
14 144036 BF
Status:
final
Fee:
$200
Permit Type:
N/A
Building Type:
N/A
Riverton crest cemetery
Valuation:
N/A
Permit #:
EL17-0116
Status:
final
Fee:
$196
Permit Type:
Non-residential
Building Type:
N/A
Install submersible pump in cistern install low voltage controls for pump
Valuation:
N/A
Permit #:
6394496-EL
Status:
complete
Fee:
$88
Permit Type:
N/A
Building Type:
Single family/duplex
1 switch circuit
Valuation:
N/A
Permit #:
1706-221
Status:
final
Fee:
$161
Permit Type:
N/A
Building Type:
N/A
Installation of two water pumps and controls each as an extension of a branch circuit
Valuation:
N/A
Permit #:
6367363-EL
Status:
complete
Fee:
$104
Permit Type:
N/A
Building Type:
Single family/duplex
Irrigation pump receptacle 1-10amp control
Valuation:
N/A
Permit #:
1311-083
Status:
final
Fee:
$61
Permit Type:
N/A
Building Type:
N/A
Type: plumbing non residential - pnr class: alteration to structure or system, , a (commercial) (alteration) project installing (1 backflow preventer 1.5), , project: neal oral surgery/remodel
Valuation:
N/A
Permit #:
E09-01622
Status:
final
Fee:
$29
Permit Type:
N/A
Building Type:
N/A
Type: plumbing non residential - pnr class: alteration to structure or system, , a (commercial) (alteration) project installing (1 backflow preventer 1.0)
Valuation:
N/A
Permit #:
E09-01268
Status:
final
Fee:
$29
Permit Type:
N/A
Building Type:
N/A
Convert existing apartment to office space second floor of cafe de paris. cap existing plumbing fixtures removed with this remodel
Valuation:
N/A
Permit #:
BLD19920319
Status:
FINAL
Fee:
$0
Permit Type:
66 - pw (lawn spr...
Building Type:
111 single family...
A commercial alteration project installing {back flow preventer - 3/4"}
Valuation:
N/A
Permit #:
10 121080 BN
Status:
final
Fee:
$33
Permit Type:
N/A
Building Type:
N/A
1 switch
Valuation:
N/A
Permit #:
1906-062
Status:
final
Fee:
$173
Permit Type:
N/A
Building Type:
N/A
A single-family alteration project installing {back flow preventor - 1"}
Valuation:
N/A
Permit #:
08 132380 BN
Status:
final
Fee:
$31
Permit Type:
N/A
Building Type:
N/A
A single-family alteration project installing {back flow preventor - 1"}
Valuation:
N/A
Permit #:
08 109655 BN
Status:
final
Fee:
$31
Permit Type:
N/A
Building Type:
N/A
A single-family alteration project installing {back flow preventor - 1"}
Valuation:
N/A
Permit #:
08 109654 BN
Status:
final
Fee:
$31
Permit Type:
N/A
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Northern Waters Inc License info
Verified License
| License # | NORTHWI784RW |
| Status | Active |
| City | Tukwila |
| Type | Construction Contractor, General |
| Class | Corporation |
| Business Type | Corporation |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Northern Waters Inc at the The City of Tukwila, WA.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | NORTHWI78597 |
| Status | Active |
| City | Tukwila |
| Type | Electrical Contractor, Domestic Pump |
| Class | Corporation |
| Business Type | Corporation |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Northern Waters Inc at the The City of Tukwila, WA.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | NORTHWI785R7 |
| Status | Active |
| City | Tukwila |
| Type | Plumbing Contractor, Domestic Pump |
| Class | Corporation |
| Business Type | Corporation |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Northern Waters Inc at the The City of Tukwila, WA.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | NORTHWI785R7 |
| Status | Active |
| State | Washington |
| Type | Plumbing Contractor, Plumbing Contractor |
| Business Type | Corporation |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Northern Waters Inc at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | NORTHWI78597 |
| Status | Active |
| State | Washington |
| Type | Electrical Contractor, Electrical Contractor, Electrical Contractor |
| Business Type | Corporation |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Northern Waters Inc at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | NORTHWI784RW |
| Status | Active |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Corporation |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Northern Waters Inc at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | NORTHWI055KH |
| Status | Active |
| State | Washington |
| Type | Construction Contractor, Landscaping, Irrigation/Sprinkling Systems |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of January, 2017. Check the current license status of Northern Waters Inc with the Washington State Department of Labor & Industries
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | NORTHWI7849W |
| Status | Inactive |
| City | Tukwila |
| Type | Plumbing Contractor, Domestic Pump |
| Class | Corporation |
| Business Type | Corporation |
- According to the The City of Tukwila, WA, 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 Northern Waters Inc at the The City of Tukwila, WA.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | NORTHWI931C4 |
| Status | Inactive |
| City | Tukwila |
| Type | Electrical Contractor, Domestic Pump |
| Class | Corporation |
| Business Type | Corporation |
- According to the The City of Tukwila, WA, 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 Northern Waters Inc at the The City of Tukwila, WA.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | NORTHWI7849W |
| Status | Inactive |
| State | Washington |
| Type | Plumbing Contractor, Plumbing Contractor |
| Business Type | Corporation |
- According to the Washington State Department of Labor & Industries, 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 Northern Waters Inc at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | NORTHWI947R6 |
| Status | Inactive |
| City | Tukwila |
| Type | Construction Contractor, General |
| Class | Corporation |
| Business Type | Corporation |
- According to the The City of Tukwila, WA, 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 Northern Waters Inc at the The City of Tukwila, WA.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | NORTHWI931C4 |
| Status | Inactive |
| State | Washington |
| Type | Electrical Contractor, Electrical Contractor, Electrical Contractor |
| Business Type | Corporation |
- According to the Washington State Department of Labor & Industries, 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 Northern Waters Inc at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | NORTHWI947R6 |
| Status | Inactive |
| State | Washington |
| Type | Construction Contractor, Construction Contractor, Construction Contractor |
| Business Type | Corporation |
- According to the Washington State Department of Labor & Industries, 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 Northern Waters Inc at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
105
BuildZoom Score
Insured
| Insurer | Ohio Security Ins Co |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | Old Republic Surety Co |
| Bond Value | $12,000 |
42
Permits
- Building permit records show that Northern Waters Inc has worked on 42 permitted projects.
Northern Waters Inc Employees
AD
Arthur, Sheldon David
Owner
DS
David Sheldon
Member
LS
Laurie Sheldon
Member
SA
Sheldon Arthur
President
SD
SHELDON, DAVE
SA
Sheldon, David A
Owner
SA
SHELDON, DAVID A.
Agent
SA
SHELDON, DAVID ARTHUR
Agent
SL
SHELDON, LAURIE
SA
SHELDON, LAURIE A.
Secretary
SA
SHELDON, LAURIE ANN
Secretary