Updated: Jun 12, 2026
Location and Projects
Address
705 N Bowser Rd, Richardson, TX, 75081
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Koen plumbing Company
We’re Problem Solvers, Installers, Designers, Leak Stoppers, Clog Killers, Pipers, Tile Setters, and Safety Experts. We do a lot of things, really. We have been in the Dallas Area for more than 60 years, and sent our expert technicians throughout the Dallas and Metro area to tackle jobs big and small.
A lot of companies come up with a clever slogan or "mission statement" to describe what they do. Since getting the job done right is a given, what we focus on is HOW we get the job done. So, what’s our mission statement you ask?
Well, we don't have one. But we are on a mission...
Koen Plumbing is dedicated to exceeding your expectations!
We’re always open to questions, suggestions, and anything else that can help us serve you better.
From BuildZoom: Koen plumbing Company, 705 N Bowser Rd, Richardson, TX (Owned by: John Koen) holds a Plumber Contractor Registration license and 26 other licenses according to the Texas 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 Koen plumbing Company, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Koen plumbing Company Contact Information
Phone Number: (972) 243-0028
Address: 705 N Bowser Rd, Richardson, TX 75081
Koen plumbing Company Richardson
Quality
101
88th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Koen plumbing Company has a BuildZoom score of 101, which places them above 88% of 222,249 contractors in Texas.
Activity
|
19 projects
|
2025 |
|
49 projects
|
2024 |
|
12 projects
|
2023 |
Our building permit records indicate that Koen plumbing Company has worked on at least
80.0 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
|
78 projects
|
Plumbing projects |
|
14 projects
|
Sewer laterals |
Analyzing permits over the last 4 years shows that Koen plumbing Company mostly works on
plumbing project
and sewer lateral
projects.
Pricing
|
10 projects
|
< $5k |
|
1 project
|
$5k-$20k |
|
2 projects
|
$20k-$50k |
The typical size of their permits is approximately $2,950. 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 Koen plumbing Company
This is a sample of this contractor's permits. Click here to access their complete permit history.
2003-gas relay or repair with test
Valuation:
$4,000
Permit #:
2503063087
Status:
complete
Fee:
N/A
Permit Type:
(b) alteration
Building Type:
Single family dwe...
2004-sewer relay
Valuation:
$34,000
Permit #:
2504013096
Status:
issued
Fee:
N/A
Permit Type:
(b) alteration
Building Type:
Single family dwe...
2008-install water heater
Valuation:
$3,000
Permit #:
2503173001
Status:
complete
Fee:
N/A
Permit Type:
(b) alteration
Building Type:
Single family dwe...
2008-install water heater
Valuation:
$2,000
Permit #:
2502203093
Status:
complete
Fee:
N/A
Permit Type:
(b) alteration
Building Type:
Single family dwe...
Gas line replacement
Valuation:
N/A
Permit #:
25-00000249|000-000|MPLR
Status:
complete
Fee:
N/A
Permit Type:
Misc building res...
Building Type:
N/A
Gas line repair
Valuation:
N/A
Permit #:
P25-1089
Status:
complete
Fee:
$88
Permit Type:
N/A
Building Type:
N/A
Sewer replacement
Valuation:
N/A
Permit #:
25-00000435|000-000|MPLR
Status:
complete
Fee:
N/A
Permit Type:
Misc building res...
Building Type:
N/A
Sewer replacement
Valuation:
N/A
Permit #:
25-00000434|000-000|MPLR
Status:
complete
Fee:
N/A
Permit Type:
Misc building res...
Building Type:
N/A
Replace 50 gal electrical water htr
Valuation:
N/A
Permit #:
24-00004926|000-000|MPLR
Status:
complete
Fee:
N/A
Permit Type:
Misc building res...
Building Type:
N/A
Replace gas under crawl space
Valuation:
N/A
Permit #:
24-00005527|000-000|MPLR
Status:
complete
Fee:
N/A
Permit Type:
Misc building res...
Building Type:
N/A
Replace 50 gal gas water htr
Valuation:
N/A
Permit #:
24-00002504|000-000|MPLR
Status:
complete
Fee:
N/A
Permit Type:
Misc building res...
Building Type:
N/A
Replace 50 gal gas water htr
Valuation:
N/A
Permit #:
24-00002430|000-000|MPLR
Status:
complete
Fee:
N/A
Permit Type:
Misc building res...
Building Type:
N/A
Replace 40 gal gas water htr
Valuation:
N/A
Permit #:
24-00001928|000-000|MPLR
Status:
complete
Fee:
N/A
Permit Type:
Misc building res...
Building Type:
N/A
Repl 50 gal electric water htr
Valuation:
N/A
Permit #:
24-00001706|000-000|MPLR
Status:
complete
Fee:
N/A
Permit Type:
Misc building res...
Building Type:
N/A
Gas shut off valve at wtr htr
Valuation:
N/A
Permit #:
24-00001561|000-000|MPLR
Status:
complete
Fee:
N/A
Permit Type:
Misc building res...
Building Type:
N/A
Replace 50 gal gas water htr
Valuation:
N/A
Permit #:
24-00001229|000-000|MPLR
Status:
complete
Fee:
N/A
Permit Type:
Misc building res...
Building Type:
N/A
Stand alone tub water supply relocate shower waterline new tub drain new shower drain
Valuation:
N/A
Permit #:
2208031107
Status:
complete
Fee:
N/A
Permit Type:
(b) alteration
Building Type:
Single family dwe...
50 gal gas water heater
Valuation:
N/A
Permit #:
24-00006088|000-000|MPLR
Status:
complete
Fee:
N/A
Permit Type:
Misc building res...
Building Type:
N/A
Shower pan replacement only
Valuation:
N/A
Permit #:
24-00004032|000-000|MPLR
Status:
complete
Fee:
N/A
Permit Type:
Misc building res...
Building Type:
N/A
Replace 5 gal gas water htr
Valuation:
N/A
Permit #:
24-00003246|000-000|MPLR
Status:
complete
Fee:
N/A
Permit Type:
Misc building res...
Building Type:
N/A
Koen plumbing Company Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Koen plumbing Company License info
Verified License
| License # | PLUMBER-0117 |
| Status | Active |
| Type | Plumber Contractor Registration |
| Date Issued | 04-22-2026 |
- BuildZoom verified this license was active as of June 2026.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | PL-031466-2026 |
| Status | Active |
| City | Mesquite |
| Type | Plumbing Contractor |
| Class | Plumbing Contractor |
| Date Issued | 04-27-2026 |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Koen plumbing Company at the City of Mesquite.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | CON-2509-0846 |
| Status | Active |
| City | Keller |
| Type | Plumbing Contractor |
| Class | Plumbing Contractor |
| Date Issued | 09-16-2025 |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Koen plumbing Company at the The City of Keller, TX.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | TL-MPL-R25-000251 |
| Status | Active |
| City | Dallas |
| Type | Plumber |
| Date Issued | 08-21-2025 |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Koen plumbing Company at the City of Dallas.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | TL-MPL-R25-000251 |
| Status | Active |
| City | Dallas |
| Type | Plumber |
| Date Issued | 08-21-2025 |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Koen plumbing Company at the City of Dallas.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | TL-MPL-R25-000251 |
| Status | Active |
| City | Dallas |
| Type | Plumber |
| Date Issued | 08-21-2025 |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Koen plumbing Company at the City of Dallas.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | AEC-4533 |
| Status | Active |
| Town | Flower Mound |
| Type | Plumbing |
| Date Issued | 04-22-2026 |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Koen plumbing Company at the Flower Mound Department of Building Inspections.
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| Town | Litttle Elm |
| Type | Plumbing Contractor |
| Date Issued | 04-22-2026 |
- BuildZoom verified this license was active as of May 2026.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | R07-0595 |
| Status | Active |
| City | Frisco |
| Type | Building |
| Date Issued | 08-29-2025 |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Koen plumbing Company at the The City of Frisco, TX.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 13948 |
| Status | Active |
| City | Plano |
| Type | Plumbing Contractor |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Koen plumbing Company at the City of Plano, Texas.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | PLUMB6047634 |
| Status | Active |
| Town | Highland Park |
| Type | Plumbing Contractor |
- When BuildZoom last verified this license, it had an expiration date of April, 2025. Check the current license status of Koen plumbing Company with the Town of Highland Park
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | PLUMB5953165 |
| Status | Active |
| Town | Highland Park |
| Type | Plumbing Contractor |
- When BuildZoom last verified this license, it had an expiration date of April, 2025. Check the current license status of Koen plumbing Company with the Town of Highland Park
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | PC6481118 |
| Status | Active |
| Town | Litttle Elm |
| Type | Plumbing Contractor |
- When BuildZoom last verified this license, it had an expiration date of August, 2021. Check the current license status of Koen plumbing Company with the Town of Little Elm
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 4533, 344 |
| Status | Active |
| Town | Prosper |
| Type | Contractors, Plumber, Contractor, Plumbing |
- When BuildZoom last verified this license, it had an expiration date of July, 2014. Check the current license status of Koen plumbing Company with the The Town of Prosper, TX
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | R24-0171 |
| Status | Inactive |
| City | Frisco |
| Type | Building |
- According to the The City of Frisco, TX, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Koen plumbing Company at the The City of Frisco, TX.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | R24-0172 |
| Status | Inactive |
| City | Frisco |
| Type | Building |
- According to the The City of Frisco, TX, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Koen plumbing Company at the The City of Frisco, TX.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | PL-028515-2025 |
| Status | Inactive |
| City | Mesquite |
| Type | Plumbing Contractor |
| Class | Plumbing Contractor |
- According to the City of Mesquite, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Koen plumbing Company at the City of Mesquite.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | Dallas |
| Type | Plumbing (Pl) |
- According to the City of Dallas, the status of this license was at one point cancelled. However, this information may have changed.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | Dallas |
| Type | Plumbing (Pl) |
- According to the City of Dallas, the status of this license was at one point cancelled. However, this information may have changed.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | Dallas |
| Type | Plumbing (Pl) |
- According to the City of Dallas, the status of this license was at one point cancelled. However, this information may have changed.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | Dallas |
| Type | Plumbing (Pl) |
- According to the City of Dallas, the status of this license was at one point cancelled. However, this information may have changed.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | P-1022970 |
| Status | Inactive |
| City | Irving |
- According to the City of Irving Inspection Department, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Koen plumbing Company at the City of Irving Inspection Department.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 11239 |
| Status | Inactive |
| City | Keller |
| Type | Contractor |
- According to the The City of Keller, TX, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Koen plumbing Company at the The City of Keller, TX.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | AEC344 |
| Status | Inactive |
| Town | Prosper |
| Type | Contractor |
- According to the The Town of Prosper, TX, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Koen plumbing Company at the The Town of Prosper, TX.
This is a sample of licensing data; click here to access a complete history.
Unverified License
| License # | 4533 |
| Status | Unable To Verify |
| Town | Flower Mound |
| Type | Contractors, Plumber |
- BuildZoom was not able to verify this license with the licensing board
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 33361 |
| Status | Inactive |
| State | Texas |
- According to the Texas State Board of Plumbing Examiners, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Koen plumbing Company at the Texas State Board of Plumbing Examiners.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 35912 |
| Status | Inactive |
| State | Texas |
| Type | Plumber |
- According to the Texas State Board of Plumbing Examiners, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Koen plumbing Company at the Texas State Board of Plumbing Examiners.
This is a sample of licensing data; click here to access a complete history.
101
BuildZoom Score
Insured
| Insurer | State Farm Fire & Casualty Company |
430
Permits
- Building permit records show that Koen plumbing Company has worked on 430 permitted projects.
Koen plumbing Company Employees
HK
Heather Koen
Owner
JK
John Koen
Owner
KP
Koen Plumbing
Owner
PK
Pamela Koen
Owner