Updated: Nov 18, 2025
Location and Projects
Address
13543 Garfield St, Thornton, CO, 80241
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Carlson Bros Plumbing Inc
Carlson Bros Plumbing Inc, 13543 Garfield St, Thornton, CO (Owned by: Heap Mark) holds a Plumbing Contractor license and 22 other licenses according to the Lafayette license board.
Their BuildZoom score of 106 ranks in the top 7% of 55,949 Colorado licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Carlson Bros Plumbing Inc, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Carlson Bros Plumbing Inc Services
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Carlson Bros Plumbing Inc Contact Information
Phone Number: (720) 629-8105
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Address: 13543 Garfield St, Thornton, CO 80241
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Carlson Bros Plumbing Inc Thornton
Quality
106
93rd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Carlson Bros Plumbing Inc has a BuildZoom score of 106, which places them above 93% of 55,949 contractors in Colorado.
Activity
|
4 projects
|
2025 |
|
5 projects
|
2024 |
|
13 projects
|
2023 |
|
10 projects
|
2022 |
Our building permit records indicate that Carlson Bros Plumbing Inc has worked on at least
32.0 projects over the past 3 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
|
8 projects
|
Home Additions |
|
31 projects
|
Plumbing projects |
Analyzing permits over the last 4 years shows that Carlson Bros Plumbing Inc mostly works on
plumbing project
and home addition
projects.
Pricing
|
12 projects
|
< $5k |
|
1 project
|
$5k-$20k |
|
6 projects
|
$20k-$50k |
|
2 projects
|
$50k-$100k |
The typical size of their permits is approximately $4,000. This graph shows the distribution of these job values.
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.
Building Permits by Carlson Bros Plumbing Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Basement finish to include bedroom 3/4 bathroom with tile shower floor & walls open recreation room and includes two e heat 500 watt hardwired wall mounted room heaters. wood studs framing @16 o.c concrete structural subfloor
Valuation:
$39,000
Permit #:
25-000039
Status:
issued
Fee:
$1,773
Permit Type:
N/A
Building Type:
N/A
Taking existing patio terrace which is not enclosed demolishing the existing slab within the terrace pouring a new slab and framing in the addition where the existing exposed terrace is located. the addition will consist of a closet and bathroom
Valuation:
$50,000
Permit #:
RES-22-00458
Status:
complete
Fee:
$418
Permit Type:
N/A
Building Type:
N/A
Remove existing gas line to boiler and water heater and install new gas line to new boiler(150 000btu) at new location. remove all galvanized water lines and replace with pex a pipe and fittings
Valuation:
$2,500
Permit #:
2024-PLUMB-0010359
Status:
final
Fee:
$43
Permit Type:
N/A
Building Type:
Single family res...
Basement finish to include 1 bedroom bathroom open rec room with electric fireplace mechanical room
Valuation:
$42,000
Permit #:
24-001291
Status:
issued
Fee:
$1,897
Permit Type:
N/A
Building Type:
N/A
Kitchen remodel: includes kitchen sink with disposal in same location dishwasher new ice maker box with arrestor
Valuation:
$1,200
Permit #:
2025-PLUMB-0006746
Status:
final
Fee:
$35
Permit Type:
N/A
Building Type:
Single family res...
Partial basement finish
Valuation:
N/A
Permit #:
INT_R2025-00111
Status:
final
Fee:
N/A
Permit Type:
Basement finish
Building Type:
N/A
Install dwv and water lines in crawl space of manufactured home
Valuation:
$4,000
Permit #:
2023-PLUMB-0006528
Status:
final
Fee:
$51
Permit Type:
N/A
Building Type:
Duplex
Install dwv and water lines in crawlspace of manufactured home
Valuation:
$4,000
Permit #:
2023-PLUMB-0006527
Status:
final
Fee:
$51
Permit Type:
N/A
Building Type:
Duplex
Install dwv and water lines for new manufactured home
Valuation:
$4,000
Permit #:
2023-PLUMB-0006529
Status:
final
Fee:
$51
Permit Type:
N/A
Building Type:
Duplex
Install dwv water piping and gas piping to stove furnace and barbeque in crawl space for factory built dwelling
Valuation:
$4,000
Permit #:
2021-PLUMB-0007390
Status:
final
Fee:
$51
Permit Type:
N/A
Building Type:
Duplex
Install dwv water lines and gas piping to furnace stove and barbeque in crawl space for factory built dwelling
Valuation:
$4,000
Permit #:
2021-PLUMB-0007389
Status:
final
Fee:
$51
Permit Type:
N/A
Building Type:
Duplex
Kitchen remodel relocate kitchen sink dishwasher ice maker and gas stove
Valuation:
$3,000
Permit #:
2024-PLUMB-0005226
Status:
final
Fee:
$43
Permit Type:
N/A
Building Type:
Single family res...
Remodeling kitchen dining room and back porch
Valuation:
$35,000
Permit #:
RES-24-00289
Status:
complete
Fee:
$1,433
Permit Type:
N/A
Building Type:
N/A
Remodel existing master bathroom and addition new powder bathroom
Valuation:
$4,000
Permit #:
2022-PLUMB-0005015
Status:
final
Fee:
$51
Permit Type:
N/A
Building Type:
Single family res...
Master bathroom remodel change tub and shower locations sinks and toilet fixture replacement only
Valuation:
$2,000
Permit #:
2021-PLUMB-0000505
Status:
final
Fee:
$35
Permit Type:
N/A
Building Type:
Single family res...
Vacuum breaker for irrigation
Valuation:
$300
Permit #:
2023-PLUMB-0006686
Status:
final
Fee:
$20
Permit Type:
N/A
Building Type:
Duplex
Vacuum breaker for irrigation
Valuation:
$300
Permit #:
2023-PLUMB-0006685
Status:
final
Fee:
$20
Permit Type:
N/A
Building Type:
Duplex
Vacuum breaker for irrigation
Valuation:
$300
Permit #:
2023-PLUMB-0006684
Status:
final
Fee:
$20
Permit Type:
N/A
Building Type:
Duplex
Vacuum breaker of irrigation
Valuation:
$300
Permit #:
2023-PLUMB-0006682
Status:
final
Fee:
$20
Permit Type:
N/A
Building Type:
Duplex
Vacuum breaker for irrigation
Valuation:
$300
Permit #:
2023-PLUMB-0006681
Status:
final
Fee:
$20
Permit Type:
N/A
Building Type:
Duplex
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BZ Score
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Verified License
BuildZoom confirmed this contractor's license
Carlson Bros Plumbing Inc License info
License Not Verified
| License # | 24-000334 |
| Status | Active |
| City | Lafayette |
| Type | Plumbing Contractor |
- When BuildZoom last verified this license, it had an expiration date of October, 2025. Check the current license status of Carlson Bros Plumbing Inc with the City of Lafayette
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 1452 |
| Status | Active |
| State | Colorado |
| Type | Plumbing Contractor |
| Date Issued | 03-01-2025 |
- BuildZoom verified this license was active as of November 2025.
Verify this license's status for Carlson Bros Plumbing Inc at the Colorado Division of Professions and Occupations.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 1452 |
| Status | Active |
| State | Colorado |
| Type | Plumbing Contractor |
- When BuildZoom last verified this license, it had an expiration date of February, 2025. Check the current license status of Carlson Bros Plumbing Inc with the Colorado Division of Professions and Occupations
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| City | Denver |
| Type | Plbg A |
- BuildZoom verified this license was active as of November 2025.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 189059 |
| Status | Active |
| State | Colorado |
| Type | Plumber |
| Date Issued | 03-01-2025 |
- BuildZoom verified this license was active as of November 2025.
Verify this license's status for Carlson Bros Plumbing Inc at the Colorado Division of Professions and Occupations.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | AEC5338 |
| Status | Active |
| Town | Parker |
| Type | Contractor |
- BuildZoom verified this license was active as of September 2025.
Verify this license's status for Carlson Bros Plumbing Inc at the The Town of Parker, Colorado.
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| City | Aurora |
| Type | Plumbing |
- BuildZoom verified this license was active as of November 2025.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 061130039 |
| Status | Active |
| City | Westminster |
| Type | Plumbing Contractor |
- BuildZoom verified this license was active as of November 2025.
Verify this license's status for Carlson Bros Plumbing Inc at the City of Westminster, Colorado.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | LCC2015054740 |
| Status | Active |
| City | Thornton |
| Type | Class D Plumbing |
- BuildZoom verified this license was active as of November 2025.
Verify this license's status for Carlson Bros Plumbing Inc at the Thornton City Development Contractor License.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | MP.00189059 |
| Status | Active |
| State | Colorado |
| Type | Master Plumber |
- When BuildZoom last verified this license, it had an expiration date of February, 2019. Check the current license status of Carlson Bros Plumbing Inc with the Colorado Division of Professions and Occupations
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | PC.0001452 |
| Status | Active |
| State | Colorado |
| Type | Plumbing Contractor |
- When BuildZoom last verified this license, it had an expiration date of February, 2019. Check the current license status of Carlson Bros Plumbing Inc with the Colorado Division of Professions and Occupations
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 25002 |
| Status | Active |
| City | Thornton |
| Type | Plumbing |
- When BuildZoom last verified this license, it had an expiration date of April, 2017. Check the current license status of Carlson Bros Plumbing Inc with the Thornton City Development Contractor License
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 186278 |
| Status | Active |
| County | Douglas County |
| Type | Master Plumbing |
- When BuildZoom last verified this license, it had an expiration date of April, 2004. Check the current license status of Carlson Bros Plumbing Inc with the Douglas County Building Division
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 22980 |
| Status | Active |
| City | Thornton |
| Type | Plumbing |
- When BuildZoom last verified this license, it had an expiration date of April, 2017. Check the current license status of Carlson Bros Plumbing Inc with the Thornton City Development Contractor License
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | MP-189059 |
| Status | Active |
| State | Colorado |
| Type | Master Plumber |
- When BuildZoom last verified this license, it had an expiration date of February, 2015. Check the current license status of Carlson Bros Plumbing Inc with the Colorado Division of Professions and Occupations
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 09-0248 |
| Status | Inactive |
| Town | Castle Rock |
| Type | Plumbing |
- According to the Castle Rock Town, Colorado, 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 Carlson Bros Plumbing Inc at the Castle Rock Town, Colorado.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | AEC5338 |
| Status | Inactive |
| City | Arvada |
| Type | Contractor |
- According to the The City of Arvada, Colorado, 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 Carlson Bros Plumbing Inc at the The City of Arvada, Colorado.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | P00623 |
| Status | Inactive |
| City | Littleton |
| Type | Contractor |
- According to the The City of Littleton, CO, 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 Carlson Bros Plumbing Inc at the The City of Littleton, CO.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 186278 |
| Status | Inactive |
| State | Colorado |
| Type | Plumber |
- According to the Colorado Division of Professions and Occupations, 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 Carlson Bros Plumbing Inc at the Colorado Division of Professions and Occupations.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 285398 |
| Status | Inactive |
| State | Colorado |
- According to the Colorado Division of Professions and Occupations, 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 Carlson Bros Plumbing Inc at the Colorado Division of Professions and Occupations.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | P00105 |
| Status | Inactive |
| County | Douglas County |
| Type | Plumbing |
- According to the Douglas County Building Division, 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 Carlson Bros Plumbing Inc at the Douglas County Building Division.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | Denver |
- 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.
Inactive License
| License # | P060115 |
| Status | Inactive |
| County | Douglas County |
| Type | Plumbing |
- According to the Douglas County Building Division, 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 Carlson Bros Plumbing Inc at the Douglas County Building Division.
This is a sample of licensing data; click here to access a complete history.
106
BuildZoom Score
Insured
| Insurer | Auto Owners Ins Co |
Insured
| Workers Comp Provider | Western Ins. |
219
Permits
- Building permit records show that Carlson Bros Plumbing Inc has worked on 219 permitted projects.
Carlson Bros Plumbing Inc Employees
CI
Carlson Bros. Plumbing Inc
DJ
Donald G Cooper Jr
Owner
FP
Frugal Plumbing
Owner
HM
Heap Mark
Owner
NC
Nathan Carlson
Owner