Updated: Apr 16, 2026
Location and Projects
Address
4030 MORAINE LANE, Langley, WA, 98260
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Hollow Log Plumbing
Hollow Log Plumbing, 4030 Moraine Ln, Langley, WA (Owned by: Owner) holds a Plumbing Contractor, Journey Level license and 3 other licenses according to the Tukwila license board.
Their BuildZoom score of 97 ranks in the top 18% of 128,670 Washington licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Hollow Log Plumbing, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Hollow Log Plumbing Services
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Hollow Log Plumbing Contact Information
Phone Number: (206) 999-6387
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Address: 4030 MORAINE LANE, Langley, WA 98260
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Kitchen addition and remodel master bath/closet. includes electrical mechanical and clearing & grading inspection for drains. ** clear and grade excluded * addition on plumbing
Valuation:
N/A
Permit #:
16 146282 BR
Status:
final
Fee:
$2,833
Permit Type:
N/A
Building Type:
N/A
Move fixtures to new location. 1-toilet 1-lav 1-shower 1-kitchen sink 1-dishwasher
Valuation:
$0
Permit #:
125208
Status:
CLOSED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Nr - plumbing: one (1) hand sink
Valuation:
N/A
Permit #:
PLM17008
Status:
final
Fee:
$111
Permit Type:
N/A
Building Type:
N/A
Bathroom remodel
Valuation:
N/A
Permit #:
15-1394
Status:
complete
Fee:
$161
Permit Type:
N/A
Building Type:
Residential
No Description Available
Valuation:
N/A
Permit #:
15-1220
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
Residential
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Verified License
BuildZoom confirmed this contractor's license
Hollow Log Plumbing License info
Verified License
| License # | HOLLOLP792O4 |
| Status | Active |
| City | Tukwila |
| Type | Plumbing Contractor, Journey Level |
| Class | Individual |
| Business Type | Individual |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Hollow Log Plumbing at the The City of Tukwila, WA.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | HOLLOLP850PH |
| Status | Active |
| City | Tukwila |
| Type | Construction Contractor, Plumbing |
| Class | Individual |
| Business Type | Individual |
- When BuildZoom last verified this license, it had an expiration date of October, 2021. Check the current license status of Hollow Log Plumbing with the The City of Tukwila, WA
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | HOLLOLP792O4 |
| Status | Active |
| State | Washington |
| Type | Plumbing Contractor, Plumbing Contractor |
| Business Type | Individual |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Hollow Log Plumbing 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 # | HOLLOLP850PH |
| Status | Inactive |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Individual |
- 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 Hollow Log Plumbing at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
97
BuildZoom Score
Insured
| Insurer | Security National Insurance |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | Wesco Insurance Co |
| Bond Value | $6,000 |
Hollow Log Plumbing Employees
HS
Helaine Schlieps
Owner
MS
Mark Schlieps
Owner
O
Owner
Owner
SM
Schlieps, Helaina Marie
Governing Persons
SA
Schlieps, Mark Andrew
Governing Persons