Updated: Nov 15, 2025
Location and Projects
Address
Nampa, ID, 83686
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William L Olson Plumber
William L Olson, Nampa, ID (Employee: Unique Plumbing Llc) holds a license and 1 other license according to the Idaho license board.
Their BuildZoom score of 100 ranks in the top 13% of 53,194 Idaho licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring William L Olson, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
William L Olson Services
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William L Olson Contact Information
Phone Number: (208) 409-9971
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Run new water lines to (1) bathroom water heater laundry. the other bathroom and kitchen were done on previous permits
Valuation:
N/A
Permit #:
PLM25-03105
Status:
final
Fee:
$80
Permit Type:
Repair
Building Type:
Single family dwe...
Remove grey poly in crawl and house and install pex
Valuation:
N/A
Permit #:
PLM25-02205
Status:
final
Fee:
$110
Permit Type:
Repair
Building Type:
Single family dwe...
Repair previous plumbing work. test rough in
Valuation:
N/A
Permit #:
PLM25-00222
Status:
final
Fee:
$55
Permit Type:
Repair
Building Type:
Single family dwe...
Water heater change out. 75 gallon gas
Valuation:
N/A
Permit #:
R-WH-2025-0061
Status:
final
Fee:
$38
Permit Type:
N/A
Building Type:
N/A
Replace electric water heater
Valuation:
N/A
Permit #:
PLM25-01487
Status:
final
Fee:
$55
Permit Type:
Alteration
Building Type:
Single family dwe...
Change out gas water heater
Valuation:
N/A
Permit #:
PLM25-00491
Status:
final
Fee:
$55
Permit Type:
Repair
Building Type:
Single family dwe...
Change out water softenter
Valuation:
N/A
Permit #:
R-WS-2025-0030
Status:
final
Fee:
$38
Permit Type:
N/A
Building Type:
N/A
Remove grey poly (with the exception of the non-accessible valve in the hall bath) and install pex b
Valuation:
N/A
Permit #:
PLM24-03971
Status:
final
Fee:
$165
Permit Type:
Alteration
Building Type:
Single family dwe...
Lower kitchen drain and install new pex lines to kitchen. trim
Valuation:
N/A
Permit #:
PLM25-02919
Status:
final
Fee:
$68
Permit Type:
Alteration
Building Type:
Single family dwe...
Run new pex to shower 2 lavs toilet and 1 hose bib
Valuation:
N/A
Permit #:
PLM25-02510
Status:
issued
Fee:
$92
Permit Type:
Alteration
Building Type:
Single family dwe...
Remove old water heater. install new electric water heater
Valuation:
N/A
Permit #:
PLM24-04183
Status:
final
Fee:
$55
Permit Type:
Repair
Building Type:
Single family dwe...
Remove and replace 75 gallon gas powervent water heater
Valuation:
N/A
Permit #:
PLM24-04154
Status:
final
Fee:
$55
Permit Type:
Repair
Building Type:
Single family dwe...
Wh replacement. hvac company did venting and gas hook up
Valuation:
N/A
Permit #:
PLM24-04107
Status:
final
Fee:
$55
Permit Type:
Repair
Building Type:
Single family dwe...
Install approximately 10 of gas pipe to accommodate new gas range in kitchen
Valuation:
N/A
Permit #:
R-RETRO-2023-1156
Status:
final
Fee:
$100
Permit Type:
N/A
Building Type:
N/A
Change out 50 gallon gas water heater
Valuation:
N/A
Permit #:
PLM25-03146
Status:
issued
Fee:
$55
Permit Type:
Repair
Building Type:
Single family dwe...
Replace gas water heater in basement
Valuation:
N/A
Permit #:
PLM25-02648
Status:
final
Fee:
$55
Permit Type:
Repair
Building Type:
Single family dwe...
Remove grey poly throughout house and install pex
Valuation:
N/A
Permit #:
PLM24-03135
Status:
final
Fee:
$165
Permit Type:
Alteration
Building Type:
Single family dwe...
Repair water main. run approximately 20 from whip to house
Valuation:
N/A
Permit #:
R-EXC-2023-1445
Status:
final
Fee:
$38
Permit Type:
N/A
Building Type:
N/A
Plumbing groundwork rough in and trim. hand wash sink floor sink mop sink grease interceptor water heater
Valuation:
$19,335
Permit #:
C-PLM-2019-0149
Status:
final
Fee:
$610
Permit Type:
N/A
Building Type:
N/A
Replace gas water heater in garage
Valuation:
N/A
Permit #:
R-WH-2021-0113
Status:
final
Fee:
$38
Permit Type:
N/A
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
William L Olson License info
Verified License
| License # | 009491 |
| Status | Active |
| State | Idaho |
- BuildZoom has not verified this license since July, 2024.
Verify this license's status for William L Olson at the Idaho Division of Building Safety.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | PLB-J-3723 |
| Status | Active |
| State | Idaho |
| Type | Plumbing |
- When BuildZoom last verified this license, it had an expiration date of May, 2018. Check the current license status of William L Olson with the Idaho Division of Building Safety
This is a sample of licensing data; click here to access a complete history.
100
BuildZoom Score
45
Permits
- Building permit records show that William L Olson has worked on 45 permitted projects.
William L Olson Employees
UL
Unique Plumbing Llc
WO
William L Olson