Updated: May 18, 2026
Location and Projects
Address
3720 Greenhouse Rd, Houston, TX, 77082
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Mammoth Plumbing, LLC
Mammoth Plumbing, LLC, 3720 Greenhouse Rd, Houston, TX (Owned by: Stewart Foster) holds a Plumbing Contractor license and 8 other licenses according to the Alvin license board.
Their BuildZoom score of 101 ranks in the top 12% of 222,249 Texas licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Mammoth Plumbing, LLC, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Mammoth Plumbing, LLC Services
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Mammoth Plumbing, LLC Contact Information
Phone Number: (832) 772-7884
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Address: 3720 Greenhouse Rd, Houston, TX 77082
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Building Permits by Mammoth Plumbing, LLC
This is a sample of this contractor's permits. Click here to access their complete permit history.
Adding sinks and floor drains
Valuation:
N/A
Permit #:
PC-220527
Status:
complete
Fee:
$130
Permit Type:
N/A
Building Type:
N/A
Sanitary repair under home
Valuation:
N/A
Permit #:
PR-222916
Status:
complete
Fee:
$40
Permit Type:
N/A
Building Type:
N/A
Permanently capping off 3 sinks
Valuation:
N/A
Permit #:
PLUM24-01632
Status:
final
Fee:
N/A
Permit Type:
Alteration
Building Type:
N/A
Tunnel repair
Valuation:
N/A
Permit #:
PLUM21-00597
Status:
final
Fee:
N/A
Permit Type:
Residential
Building Type:
N/A
Harvey residential flood damage repair
Valuation:
N/A
Permit #:
17132104
Status:
issued
Fee:
N/A
Permit Type:
Residential alter...
Building Type:
N/A
Commercial condo remodel 2012 ibc
Valuation:
N/A
Permit #:
18129652
Status:
issued
Fee:
N/A
Permit Type:
Non-residential a...
Building Type:
N/A
Residential addition & remodel
Valuation:
N/A
Permit #:
18067977
Status:
issued
Fee:
N/A
Permit Type:
Residential alter...
Building Type:
N/A
Residential addition & remodel
Valuation:
N/A
Permit #:
18067977
Status:
issued
Fee:
N/A
Permit Type:
Residential alter...
Building Type:
N/A
Convert 1, 958 sq ft tire shop to bar 1-1-3-a2-b 12 ibc
Valuation:
N/A
Permit #:
18005962
Status:
issued
Fee:
N/A
Permit Type:
Non-residential a...
Building Type:
N/A
Residential plumbing permit
Valuation:
N/A
Permit #:
19116011
Status:
issued
Fee:
N/A
Permit Type:
Not construction ...
Building Type:
N/A
Residential plumbing permit
Valuation:
N/A
Permit #:
19113216
Status:
issued
Fee:
N/A
Permit Type:
Not construction ...
Building Type:
N/A
Residential plumbing permit
Valuation:
N/A
Permit #:
19106189
Status:
issued
Fee:
N/A
Permit Type:
Not construction ...
Building Type:
N/A
Residential plumbing permit
Valuation:
N/A
Permit #:
19072056
Status:
issued
Fee:
N/A
Permit Type:
Not construction ...
Building Type:
N/A
Residential plumbing permit
Valuation:
N/A
Permit #:
19061542
Status:
issued
Fee:
N/A
Permit Type:
Not construction ...
Building Type:
N/A
Residential plumbing permit
Valuation:
N/A
Permit #:
19004377
Status:
issued
Fee:
N/A
Permit Type:
Not construction ...
Building Type:
N/A
Residential plumbing permit
Valuation:
N/A
Permit #:
19058275
Status:
issued
Fee:
N/A
Permit Type:
Not construction ...
Building Type:
N/A
Residential plumbing permit
Valuation:
N/A
Permit #:
19050460
Status:
issued
Fee:
N/A
Permit Type:
Not construction ...
Building Type:
N/A
Residential plumbing permit
Valuation:
N/A
Permit #:
19003110
Status:
issued
Fee:
N/A
Permit Type:
Not construction ...
Building Type:
N/A
Residential plumbing permit
Valuation:
N/A
Permit #:
19022847
Status:
issued
Fee:
N/A
Permit Type:
Not construction ...
Building Type:
N/A
Residential plumbing permit
Valuation:
N/A
Permit #:
19019988
Status:
issued
Fee:
N/A
Permit Type:
Not construction ...
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Mammoth Plumbing, LLC License info
Verified License
| License # | 16-027894 |
| Status | Active |
| City | Alvin |
| Type | Plumbing Contractor |
- BuildZoom verified this license was active as of August 2025.
Verify this license's status for Mammoth Plumbing, LLC at the City of Alvin.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | PLMB9927894 |
| Status | Active |
| City | Alvin |
| Type | Plumbing Contractor |
- BuildZoom has not verified this license since May, 2024.
Verify this license's status for Mammoth Plumbing, LLC at the City of Alvin.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | PLC2497286 |
| Status | Active |
| City | Dickinson |
| Type | Plumbing Contractor |
- When BuildZoom last verified this license, it had an expiration date of September, 2018. Check the current license status of Mammoth Plumbing, LLC with the City of Dickinson
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | REG08782 |
| Status | Inactive |
| Type | Plumber Contractor Registration |
- According to the local 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.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | REG12465 |
| Status | Inactive |
| Type | Plumber Contractor Registration |
- According to the local 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.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | Dickinson |
| Type | Irrigation Contractor |
- According to the City of Dickinson, 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.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | PLC2497286 |
| Status | Inactive |
| City | Dickinson |
| Type | Irrigation Contractor |
- According to the City of Dickinson, 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 Mammoth Plumbing, LLC at the City of Dickinson.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | PLM0553584 |
| Status | Inactive |
| City | Waller |
| Type | Plumbing Contractor |
- According to the City of Waller, 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 Mammoth Plumbing, LLC at the City of Waller.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | IRC2497286 |
| Status | Inactive |
| City | Dickinson |
| Type | Irrigation Contractor |
- According to the City of Dickinson, 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 Mammoth Plumbing, LLC at the City of Dickinson.
This is a sample of licensing data; click here to access a complete history.
101
BuildZoom Score
254
Permits
- Building permit records show that Mammoth Plumbing, LLC has worked on 254 permitted projects.
Mammoth Plumbing, LLC Employees
JN
Jon Nevarez
Owner
SC
Sidney Cambell
Owner
SF
Stewart Foster
Owner