Updated: May 21, 2026
Location and Projects
Headquarters Address
PO968, Thayne, WY, 83127
Local address
951 N WILLSIE ST, Porterville, CA, 93257
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Sierra Plumbing Co
Sierra Plumbing Co, 951 N Willsie St, Porterville, CA (Owned by: Scott Charles Armstrong) holds a Plumbing, Sanitation System, Pipeline license and 4 other licenses according to the California license board.
Their BuildZoom score of 93 ranks in the top 27% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Sierra Plumbing Co, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Sierra Plumbing Co Services
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Sierra Plumbing Co Contact Information
Phone Number: (916) 792-7488
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Headquarters Address: PO968, Thayne, WY, 83127
Local Address: 951 N WILLSIE ST, Porterville, CA 93257
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This is a sample of this contractor's permits. Click here to access their complete permit history.
University building permit for tenant improvement: partitions ceiling electrical mechanical & plumbing to existing office supply retail store. cc-1-3 ct#83.15/sdusd brush zones (300 ft buffer) coastal height limit cpioz-a parking impact esl for sensitive biologic resources pcd 92-0477
Valuation:
$361,978
Permit #:
432958
Status:
complete
Fee:
$3,857
Permit Type:
Add/alt tenant im...
Building Type:
N/A
5984 sq ft tenant improvement for eddie bauer outlet suite # 480 @ the shops at las americas. ii-n construction - fire sprinkled. no plumbing work - no increase in demand. will need electrical permit
Valuation:
$173,536
Permit #:
248012
Status:
complete
Fee:
$2,157
Permit Type:
Add/alt tenant im...
Building Type:
N/A
Mira mesa - building permit to demolish a portion of the east exterior wall for placement of a new irt system to existing bank. also includes electrical work. cc-1-3 geo hz category: 53
Valuation:
$10,000
Permit #:
864347
Status:
complete
Fee:
$560
Permit Type:
Add/alt tenant im...
Building Type:
N/A
T i to exist'g retail space total of 3100 sq/ft adding partitions elect mechanical , zone : ljpd-1 , coastal : n-app-2 community plan area : la jolla
Valuation:
$89,900
Permit #:
259252
Status:
complete
Fee:
$1,293
Permit Type:
Add/alt tenant im...
Building Type:
N/A
Home occupation permit drc2005-00944 - creative designs landscaping - a request for home office use for a landscaping business
Valuation:
N/A
Permit #:
DRC2005-00944
Status:
approved
Fee:
$105
Permit Type:
N/A
Building Type:
N/A
Tenant improvement. tj maxx
Valuation:
N/A
Permit #:
B1109-052
Status:
final
Fee:
$20,295
Permit Type:
Alter-commercial
Building Type:
N/A
Alter & addition 2nd floor; type v-n; occ r-3; combo: building electrical plumbing mechanical
Valuation:
N/A
Permit #:
BLD1980-53054
Status:
exp
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Ti/linens/things 33 599 iiin
Valuation:
$893,733
Permit #:
211462
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Tenant improvement remodel existing space in santa rosa plaza to become hair salon toni & guy
Valuation:
$85,000
Permit #:
B05-3271
Status:
final
Fee:
$1,780
Permit Type:
N/A
Building Type:
N/A
Install a space heater in whse (ok to close turbine vents to heat warehouse)
Valuation:
$2,000
Permit #:
04-01-127
Status:
final
Fee:
$56
Permit Type:
N/A
Building Type:
Commercial
Tenant improvement. tj maxx
Valuation:
N/A
Permit #:
E1110-052
Status:
final
Fee:
$928
Permit Type:
Alter-commercial
Building Type:
N/A
Tenant improvement. tj maxx
Valuation:
N/A
Permit #:
M1110-035
Status:
final
Fee:
$374
Permit Type:
Alter-commercial
Building Type:
N/A
Tenant improvement. tj maxx
Valuation:
N/A
Permit #:
P1110-063
Status:
final
Fee:
$546
Permit Type:
Alter-commercial
Building Type:
N/A
Building/project/master application/master application
1998-06-25
Ti/bldg.m-sp.#383
Valuation:
$250,000
Permit #:
98000-00000-01773
Status:
N/A
Fee:
$3,304
Permit Type:
N/A
Building Type:
N/A
Install 2 evaporative coolers with drain to an indirect waste
Valuation:
$3,000
Permit #:
04-06-219
Status:
final
Fee:
$138
Permit Type:
N/A
Building Type:
Commercial
Archive permit: 9600000350-b
Valuation:
N/A
Permit #:
BI-1996-0375
Status:
COMPLETED
Fee:
$1,488
Permit Type:
N/A
Building Type:
N/A
Archive permit: 9600000350-e
Valuation:
N/A
Permit #:
BI-1996-0376
Status:
COMPLETED
Fee:
$297
Permit Type:
N/A
Building Type:
N/A
Archive permit: 9600000350-m
Valuation:
N/A
Permit #:
BI-1996-0377
Status:
COMPLETED
Fee:
$152
Permit Type:
N/A
Building Type:
N/A
Archive permit: 9600000350-s
Valuation:
N/A
Permit #:
BI-1996-0378
Status:
COMPLETED
Fee:
$54
Permit Type:
N/A
Building Type:
N/A
Archive permit: 9600000658-b
Valuation:
N/A
Permit #:
BI-1996-0835
Status:
COMPLETED
Fee:
$577
Permit Type:
N/A
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Sierra Plumbing Co License info
Verified License
| License # | 953083 |
| Status | Active |
| State | California |
| Type | Plumbing, Sanitation System, Pipeline |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Sierra Plumbing Co at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 823227 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Sierra Plumbing Co at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 403255 |
| Status | Inactive |
| State | California |
| Type | Plumbing |
| Business Type | Sole Ownership |
- According to the California Contractors State License Board, 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 Sierra Plumbing Co at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 648900 |
| Status | Inactive |
| State | California |
| Type | Plumbing |
| Business Type | Sole Ownership |
- According to the California Contractors State License Board, 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 Sierra Plumbing Co at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 974989 |
| Status | Inactive |
| State | California |
| Type | Plumbing |
| Business Type | Sole Ownership |
- According to the California Contractors State License Board, 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 Sierra Plumbing Co at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
93
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $12,500 |
21
Permits
- Building permit records show that Sierra Plumbing Co has worked on 21 permitted projects.
Sierra Plumbing Co Employees
GA
Greg Lynn Adee
Sole Owner
JM
James Robert Miller
Sole Owner
JS
Jorge Luis Sierra
Sole Owner
SA
Scott Charles Armstrong
Owner
SM
Shane Douglas Mcalister
Sole Owner