Updated: Jul 07, 2026
Location and Projects
Address
6342 E 136 Place, Thornton, CO, 80601
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303 Master plumbing
303 Master plumbing, 6342 E 136th Pl, Thornton, CO (Employees: 303 Master Plumbing and Ryan Buell) holds a Plumbing Contractor license and 4 other licenses according to the Lafayette license board.
Their BuildZoom score of 99 ranks in the top 15% of 55,949 Colorado licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring 303 Master plumbing, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
303 Master plumbing Services
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303 Master plumbing Contact Information
Phone Number: (303) 642-5647
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Address: 6342 E 136 Place, Thornton, CO 80601
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303 Master plumbing Thornton
Quality
99
85th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
303 Master plumbing has a BuildZoom score of 99, which places them above 85% of 55,949 contractors in Colorado.
Activity
|
2 projects
|
2025 |
|
1 project
|
2024 |
Our building permit records indicate that 303 Master plumbing has worked on at least
3.0 projects over the past 2 years.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
Experience
|
3 projects
|
Plumbing projects |
Analyzing permits over the last 4 years shows that 303 Master plumbing mostly works on
plumbing project
projects.
Pricing
|
1 project
|
$100k-$250k |
Pro tip:
For more details about their pricing, check out their recent activity to see how much they have charged for different types of work.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Basement refinishing
Valuation:
$107,071
Permit #:
RES24-01218
Status:
final
Fee:
$3,550
Permit Type:
N/A
Building Type:
N/A
Residence - home addition - aiding on to family on home
Valuation:
$100,000
Permit #:
BDP24-0308
Status:
final
Fee:
$1,735
Permit Type:
Addition
Building Type:
Residential
Basement remodel
Valuation:
N/A
Permit #:
RALT24-00110
Status:
final
Fee:
$941
Permit Type:
Basement finish
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
303 Master plumbing License info
Verified License
| License # | 26-000220 |
| Status | Active |
| City | Lafayette |
| Type | Plumbing Contractor |
| Date Issued | 04-25-2026 |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for 303 Master plumbing at the City of Lafayette.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | AEC11845 |
| Status | Active |
| City | Arvada |
| Type | Contractor |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for 303 Master plumbing at the The City of Arvada, Colorado.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | LCC202500235 |
| Status | Active |
| City | Thornton |
| Type | Class D Plumbing Expires 2027 04 23 |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for 303 Master plumbing at the Thornton City Development Contractor License.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 5016 |
| Status | Active |
| State | Colorado |
| Type | Plumbing Contractor |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for 303 Master plumbing at the Colorado Division of Professions and Occupations.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | Denver |
| Type | Plbg A |
- According to the City and County of Denver Community Planning and Development, 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.
99
BuildZoom Score
303 Master plumbing Employees
3P
303 Master Plumbing
RB
Ryan Buell
I had a pin hole leak in a water pipe. Ryan assessed the problem and informed me of his solution. He was on time and completed the service in a timely manner. He is professional and friendly and very knowledgeable. I will recommend him. Thank you Ryan!