Updated: May 19, 2026
Location and Projects
Address
4922 133rd Pl NE, Marysville, WA, 98271
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Simpson&son plumbing LLC
Simpson&son plumbing LLC, 4922 133rd Pl NE, Marysville, WA (Employees: Daniel Simpson and Matthew Simpson) holds a Contractor license and 2 other licenses according to the Marysville license board.
Their BuildZoom score of 103 ranks in the top 10% of 128,670 Washington licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Simpson&son plumbing LLC, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Simpson&son plumbing LLC Services
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Simpson&son plumbing LLC Contact Information
Phone Number: (425) 737-4290
Address: 4922 133rd Pl NE, Marysville, WA 98271
Building Permits by Simpson&son plumbing LLC
This is a sample of this contractor's permits. Click here to access their complete permit history.
Residential - single family residence - remodel
2024-01-05
Single family residence remodel (no change in outside footprint)
Valuation:
N/A
Permit #:
24-0044
Status:
application needs additional information
Fee:
N/A
Permit Type:
N/A
Building Type:
Residential
Replace a water heater for existing single family residence
Valuation:
N/A
Permit #:
25-1084
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
Residential
Building residential
Valuation:
N/A
Permit #:
BLD2025-04410
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Plumbing remodel
Valuation:
N/A
Permit #:
P2507-054
Status:
issued
Fee:
$128
Permit Type:
Standard plumbing...
Building Type:
N/A
Simpson&son plumbing LLC Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Simpson&son plumbing LLC License info
Verified License
| License # | SIMPSPL761CN |
| Status | Active |
| City | Marysville |
| Type | Contractor |
| Date Issued | 01-28-2026 |
| Business Type | Limited Liability Company |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Simpson&son plumbing LLC at the The City of Marysville, Washington.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | SIMPSPL761CN |
| Status | Active |
| City | Tukwila |
| Type | Plumbing Contractor, Residential |
| Class | Limited Liability Company |
| Business Type | Limited Liability Company |
- When BuildZoom last verified this license, it had an expiration date of February, 2026. Check the current license status of Simpson&son plumbing LLC with the The City of Tukwila, WA
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | SIMPSPL761CN |
| Status | Active |
| State | Washington |
| Type | Plumbing Contractor, Plumbing Contractor |
| Business Type | Limited Liability Company |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Simpson&son plumbing LLC at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
103
BuildZoom Score
Insured
| Insurer | Truck Ins Exchange |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | Jet Insurance Company |
| Bond Value | $6,000 |
Simpson&son plumbing LLC Employees
DS
Daniel Simpson
Partner/Member
MS
Matthew Simpson
Partner/Member