Updated: May 16, 2026
Location and Projects
Address
64456 230th St, Dexter, MN, 55926
Use our bidding system to
request a quote
TNG Plumbing Photos
TNG Plumbing
We are a family owned business in the Mower County area. We do residential & commercial remodels & repairs.
From BuildZoom: TNG Plumbing, 64456 230th St, Dexter, MN (Owned by: Gina Grundmeier) holds a Plumbing license and 3 other licenses according to the Minnesota license board.
Their BuildZoom score of 105 ranks in the top 8% of 77,973 Minnesota licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring TNG Plumbing, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
TNG Plumbing Contact Information
Phone Number: (507) 460-9025
Address: 64456 230th St, Dexter, MN 55926
TNG Plumbing Dexter
Quality
105
92nd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
TNG Plumbing has a BuildZoom score of 105, which places them above 92% of 77,973 contractors in Minnesota.
Activity
|
3 projects
|
2025 |
|
7 projects
|
2024 |
|
22 projects
|
2023 |
Our building permit records indicate that TNG Plumbing 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
|
16 projects
|
Home Additions |
|
32 projects
|
Plumbing projects |
Analyzing permits over the last 4 years shows that TNG Plumbing mostly works on
plumbing project
and home addition
projects.
Pricing
|
21 projects
|
< $5k |
|
9 projects
|
$5k-$20k |
The typical size of their permits is approximately $2,500. 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.
TNG Plumbing Reviews
3 out of 5 stars, based on
2
reviews
-
By CrystalDecember 22, 2019Fix a clogged sink$306
-
By EmmaFebruary 19, 2014
Water heater isntallation
This is a sample of this contractor's permits. Click here to access their complete permit history.
Disposal & eliminate old drains & vent for washing machine. move laundry back to basement. bring kitchen drain & vent up to mn state code. disconnect re-rough in & reinstall - includes venting & new drain
Valuation:
$3,800
Permit #:
20240719
Status:
applied
Fee:
$79
Permit Type:
Addition alterati...
Building Type:
N/A
Move around bathroom move laundry upstairs
Valuation:
$16,000
Permit #:
20250476
Status:
applied
Fee:
$79
Permit Type:
Addition alterati...
Building Type:
N/A
Bathroom remodel & updated incorrect plumbing install by raimann
Valuation:
$7,000
Permit #:
20230009
Status:
applied
Fee:
$79
Permit Type:
Addition alterati...
Building Type:
N/A
Connect bathrooms to city sewer & hook up both sump pumps for normal discharge & install sumps
Valuation:
$12,500
Permit #:
20230712
Status:
applied
Fee:
$134
Permit Type:
Addition alterati...
Building Type:
N/A
Replacement of existing water heater with customer supplied water heater
Valuation:
$683
Permit #:
20221334
Status:
applied
Fee:
$57
Permit Type:
Water heater
Building Type:
N/A
2x bathroom remodel. kitchen water heater (pay it forward 2022)
Valuation:
$1,367
Permit #:
20220537
Status:
applied
Fee:
$76
Permit Type:
Addition alterati...
Building Type:
N/A
Install of dwv for stackable washer dryer on main floor
Valuation:
$2,400
Permit #:
20240870
Status:
applied
Fee:
$79
Permit Type:
Addition alterati...
Building Type:
N/A
New sump install washer dryer main floor disconnect sinks & chairs vent dryer
Valuation:
$3,287
Permit #:
20231002
Status:
applied
Fee:
$79
Permit Type:
Addition alterati...
Building Type:
N/A
Install new water heater
Valuation:
$1,367
Permit #:
20230167
Status:
applied
Fee:
$58
Permit Type:
Water heater
Building Type:
N/A
Replace water heater
Valuation:
$1,367
Permit #:
20230007
Status:
applied
Fee:
$56
Permit Type:
Water heater
Building Type:
N/A
Replace water heater
Valuation:
$2,297
Permit #:
20230005
Status:
applied
Fee:
$56
Permit Type:
Water heater
Building Type:
N/A
Install new water heater in laundromat
Valuation:
$2,500
Permit #:
20220536
Status:
applied
Fee:
$76
Permit Type:
Addition alterati...
Building Type:
N/A
Adding basement bathroom
Valuation:
$9,500
Permit #:
20250823
Status:
applied
Fee:
$79
Permit Type:
Addition alterati...
Building Type:
N/A
Repipe house bathroom remodel water heater & softener
Valuation:
$20,000
Permit #:
20210358
Status:
applied
Fee:
$76
Permit Type:
Addition alterati...
Building Type:
N/A
Change upstairs closet into 1/2 bathroom
Valuation:
$4,704
Permit #:
20241220
Status:
applied
Fee:
$79
Permit Type:
New
Building Type:
N/A
Adding half bathroom to main floor
Valuation:
$7,500
Permit #:
20240992
Status:
applied
Fee:
$79
Permit Type:
Addition alterati...
Building Type:
N/A
Bathroom & kitchen remodel
Valuation:
$7,010
Permit #:
20220713
Status:
applied
Fee:
$76
Permit Type:
Addition alterati...
Building Type:
N/A
Install power vent water heater replacing atmospheric
Valuation:
$2,600
Permit #:
20231082
Status:
applied
Fee:
$58
Permit Type:
Water heater
Building Type:
N/A
Replace water heater
Valuation:
$7,010
Permit #:
20221613
Status:
applied
Fee:
$56
Permit Type:
Water heater
Building Type:
N/A
Addition bathroom to main floor
Valuation:
$9,900
Permit #:
20240045
Status:
applied
Fee:
$79
Permit Type:
Addition alterati...
Building Type:
N/A
Verified License
BuildZoom confirmed this contractor's license
TNG Plumbing License info
Verified License
| License # | PM061748 |
| Status | Active |
| State | Minnesota |
| Type | Plumbing |
| Business Type | Llc |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for TNG Plumbing at the Minnesota Department of Labor & Industry.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | PC644135 |
| Status | Active |
| State | Minnesota |
| Type | Plumbing |
| Business Type | Llc |
- BuildZoom verified this license was active as of January 2026.
Verify this license's status for TNG Plumbing at the Minnesota Department of Labor & Industry.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | MB687482 |
| Status | Inactive |
| State | Minnesota |
| Type | Mechanical Contractor Bond |
| Business Type | Llc |
- According to the Minnesota Department of Labor & Industry, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for TNG Plumbing at the Minnesota Department of Labor & Industry.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | PM61748 |
| Status | Inactive |
| State | Minnesota |
| Type | Master Plumber |
| Class | Plumber |
| Business Type | Llc |
- According to the Minnesota Department of Labor & Industry, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for TNG Plumbing at the Minnesota Department of Labor & Industry.
This is a sample of licensing data; click here to access a complete history.
105
BuildZoom Score
Insured
| Insurer | Acord |
| Insured up to | $2,000,000 |
Bonded
| Bonded Agent | Accord |
| Bond Value | $25,000 |
Insured
| Workers Comp Provider | Acord |
| Workers Comp Value | $1,000,000 |
154
Permits
- Building permit records show that TNG Plumbing has worked on 154 permitted projects.
TNG Plumbing Employees
CS
Cody Steinbrink
Apprentice Plumber
Gina Grundmeier
Owner
Jake Gossman
Apprentice Plumber
Todd L. Grundmeier
Master Plumber
They will waste your time and money! They don't care about their customers. They break things in your home and then bill YOU for it!!! Do go to them!!!