Updated: May 12, 2026
Location and Projects
Address
7249 Mink Hollow Rd, Highland, MD, 20777
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National Water Servicing Plumber
National Water Servicing Corp, 7249 Mink Hollow Rd, Highland, MD holds a Water Well / Water Pump (Wwp) license and 1 other license according to the Virginia license board.
Their BuildZoom score of 98 ranks in the top 16% of 58,058 Maryland licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring National Water Servicing Corp, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
National Water Servicing Corp Services
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National Water Servicing Corp Contact Information
Phone Number: (301) 854-1333
Address: 7249 Mink Hollow Rd, Highland, MD 20777
Building Permits by National Water Servicing Corp
This is a sample of this contractor's permits. Click here to access their complete permit history.
Sfd/rough in for 1-400k btu pool heater 1-45k btu fire pit insert 1-35k btu flat top 1-38k btu pizza oven 1-38k btu grill 4-40k btu decorative heaters 2-hand sinks 1-ice maker 1-r o faucet and 1-auto pool fill valve watts dvc-0072204. all fixtures to be located on main level in back yard kitchen/patio area
Valuation:
N/A
Permit #:
P24002355
Status:
issued
Fee:
$171
Permit Type:
N/A
Building Type:
N/A
Sfd/rough in for 2.5 baths kitchen dishwasher and ice maker all located in basement level - fixtures: 3 toilets 3 lavs 1 kitchen sink 2 showers 1 ice maker box 1 dishwasher all located in basement level
Valuation:
N/A
Permit #:
P24000966
Status:
complete
Fee:
$133
Permit Type:
N/A
Building Type:
N/A
Residential plumbing addition alteration permit
2024-01-03
Run 3/4 gas line from future meter location to range location. pressure test and make final gas connection to meter and range./**bge w.o. #sr05230613**
Valuation:
N/A
Permit #:
P24000034
Status:
complete
Fee:
$188
Permit Type:
N/A
Building Type:
N/A
Replace electric water heater with new 50 gallon hybrid electric water heater. water heater located in basement
Valuation:
N/A
Permit #:
P24003889
Status:
complete
Fee:
$55
Permit Type:
N/A
Building Type:
N/A
Residential plumbing addition alteration permit
2024-01-12
Building b. rough in for three full baths kitchen laundry ice maker box dishwasher and/fixtures: 3 toilets 3 lavs 3 showers 1-washer 1-kitchen sink 1-dishwasher 1-ice maker box 1-garbage disposal. 1-electric water heater all located on main level/**3.19.24 amendment request to addition 1-tankless water heater 199k btu's propane**/**5.15.24 amendment request to addition 1- 38000 btu pr... see more
Valuation:
N/A
Permit #:
P24000162
Status:
complete
Fee:
$404
Permit Type:
N/A
Building Type:
N/A
Sfd: install plumbing fixture on exterior of house: 1- wilkins 375xl backflow preventer (for lawn irrigation)
Valuation:
N/A
Permit #:
P21004113
Status:
complete
Fee:
$78
Permit Type:
N/A
Building Type:
N/A
Sfd: install plumbing fixture on exterior of house: 1- wilkins 375xl ajh1803 rpz for lawn irrigation system
Valuation:
N/A
Permit #:
P21004111
Status:
complete
Fee:
$78
Permit Type:
N/A
Building Type:
N/A
Sfd: install plumbing fixture on right side of house: 1- wilkins 375xl ajh1790 rpz (for irrigation line)
Valuation:
N/A
Permit #:
P21004109
Status:
complete
Fee:
$78
Permit Type:
N/A
Building Type:
N/A
Residential plumbing addition alteration permit
2021-10-05
Sfd: install plumbing fixture on exterior of house: 1- wilkins 375xl ajh1813 rpz for lawn irrigation
Valuation:
N/A
Permit #:
P21004110
Status:
complete
Fee:
$78
Permit Type:
N/A
Building Type:
N/A
Residential plumbing addition alteration permit
2024-01-12
Nov/sfd addition to 3 car garage/rough in for 2 full baths 1 half bathroom. all on 1st level/fixtures: 3 toilets 3 lavs 2 showers. all on main level
Valuation:
N/A
Permit #:
P24000163
Status:
complete
Fee:
$216
Permit Type:
N/A
Building Type:
N/A
Sfd: install plumbing fixture on exterior or house: 1- wilkins 375xl rpz for lawn irrigation
Valuation:
N/A
Permit #:
P21004112
Status:
complete
Fee:
$78
Permit Type:
N/A
Building Type:
N/A
Residential plumbing addition alteration permit
2021-10-05
Single family dwelling install plumbing fixture: 1-bfp wilkins xl for irrigation system
Valuation:
N/A
Permit #:
P21004265
Status:
complete
Fee:
$78
Permit Type:
N/A
Building Type:
N/A
Residential plumbing addition alteration permit
2024-01-12
Install 1-propane tankless water heater on main level/**3.19.24 amendment request to addition 2 yard hydrants (2) bfp's watts model: dcv-0072204 **
Valuation:
N/A
Permit #:
P24000164
Status:
complete
Fee:
$161
Permit Type:
N/A
Building Type:
N/A
Install fixtures for alter int - plumbing to include range connection
Valuation:
N/A
Permit #:
P02261183
Status:
complete
Fee:
$75
Permit Type:
N/A
Building Type:
N/A
Install fixtures for single family dwelling - plumbing
Valuation:
N/A
Permit #:
P02261108
Status:
complete
Fee:
$120
Permit Type:
N/A
Building Type:
N/A
Plumbing permit
Individual well line ||new sfd; finished basement; covered porch|common driveway a/p # 74088|*revision 10/19/17 (scw) change bathroom count; indicate septic details on permit.*||$$$$ energy efficiency compliance method per rescheck report included within the approved plans. $$$$
Valuation:
$500,000
Permit #:
170908
Status:
issued
Fee:
N/A
Permit Type:
New
Building Type:
Single family dwe...
Well line single family dwg; ***certificate of potability required prior to issuance of coo*** $$$$ energy efficiency compliance method will use prescriptive values and requirements. $$$$ revision - 12/11/18 - room in basement to be strictly office (lw) bedrooms (5)
Valuation:
$545,000
Permit #:
193174
Status:
complete
Fee:
$143
Permit Type:
Plumbperm
Building Type:
N/A
Paid by national water service
Valuation:
N/A
Permit #:
WO-20-0040
Status:
issued
Fee:
$35
Permit Type:
N/A
Building Type:
N/A
Residential plumbing addition alteration permit
2021-07-15
Sfd: install plumbing fixture to exterior of house: 1- backflow preventer 3/4 wilkins 375xl for lawn irrigation system
Valuation:
N/A
Permit #:
P21002984
Status:
complete
Fee:
$78
Permit Type:
N/A
Building Type:
N/A
Sfd: install plumbing fixture to exterior of house: 1 - backflow preventer wilkins 375xl rpz for lawn irrigation system
Valuation:
N/A
Permit #:
P21002985
Status:
complete
Fee:
$78
Permit Type:
N/A
Building Type:
N/A
National Water Servicing Corp Reviews
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Verified License
BuildZoom confirmed this contractor's license
National Water Servicing Corp License info
Verified License
| License # | 2705168407 |
| Status | Active |
| State | Virginia |
| Type | Water Well / Water Pump (Wwp) |
| Business Type | Corporation |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for National Water Servicing Corp at the Virginia Department of Professional and Occupational Regulation.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 2705087491 |
| Status | Inactive |
| State | Virginia |
| Type | Water Well / Water Pump (Wwp) |
| Business Type | Corporation |
- According to the Virginia Department of Professional and Occupational Regulation, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for National Water Servicing Corp at the Virginia Department of Professional and Occupational Regulation.
This is a sample of licensing data; click here to access a complete history.
98
BuildZoom Score
31
Permits
- Building permit records show that National Water Servicing Corp has worked on 31 permitted projects.