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Location and Projects

Address
389 W Rock Island Rd, Grand Prairie, TX, 75050
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National Network Services HVAC/Mechanical Contractor

National Network Services, 389 W Rock Island Rd, Grand Prairie, TX (Employees: Glen A Leatherwood, Glen Allen Leatherwood, and Glen Leatherwood) holds a Mechanical Contractor license and 71 other licenses according to the Mesquite license board.

Their BuildZoom score of 111 ranks in the top 4% of 222,249 Texas licensed contractors.

Their license was verified as active when we last checked. If you are thinking of hiring National Network Services, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.

National Network Services Services

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National Network Services Contact Information

Phone: (972) 438-7339 Edit
Address: 389 W Rock Island Rd, Grand Prairie, TX 75050 Edit

National Network Services Grand Prairie

Quality

111
96th percentile
Pro tip: We generally recommend hiring a contractor with a score higher than 95.
National Network Services has a BuildZoom score of 111, which places them above 96% of 222,249 contractors in Texas.

Activity

27 projects
2025
39 projects
2024
40 projects
2023
Our building permit records indicate that National Network Services has worked on at least 106.0 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.

Experience

12 projects
Commercial Renovations
8 projects
Home Additions
43 projects
Mechanical projects
14 projects
HVAC projects
Analyzing permits over the last 4 years shows that National Network Services mostly works on mechanical project and hvac project projects.

Pricing

1 project
< $5k
1 project
$5k-$20k
3 projects
$20k-$50k
3 projects
$50k-$100k
5 projects
$100k-$250k
5 projects
$250k-$500k
6 projects
$500k-$1mil
9 projects
$1mil+
Value Not Public: 67.0 projects
The typical size of their permits is approximately $212,260. 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 National Network Services

Sort by: Notable Notable | Date Date | Job Value Job Value
Commercial remodel
2023-09-12
Touchstone medical imaging llc. - scope of work consists of demolishing and existing 1342sf suite in an existing medical office building to infill with an mri suite as an expansion to the existing second floor imaging tenant suite
Valuation:
$268,000
Permit #:
COMR22-0117
Status:
final
Fee:
$4,146
Permit Type:
N/A
Building Type:
N/A
Interior finish out – commercial
2023-12-14
#1590-2023-co - the scope of work consists of tenant finish out of 6, 183 gsf of shell building zoned for mixed (pd-108). this suite will be a medical imaging center. facility includes building out for imaging equipment including: (2) mri ct xray and ultrasound. touchstone medical imaging center
Valuation:
$1,459,497
Permit #:
001239-2023-CB
Status:
complete
Fee:
$8,820
Permit Type:
N/A
Building Type:
N/A
Alteration/remodel - commercial
2025-07-03
Remodel of existing suite 140 including framing drywall finishes millwork mep fire protection co 001886-2025
Valuation:
$350,000
Permit #:
001857-2025-CB
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Primoris services mud cleaning/carwash and fleet building
Valuation:
$1,195,327
Permit #:
2405-0653
Status:
issued
Fee:
$13,327
Permit Type:
N/A
Building Type:
N/A
Town - park
2024-06-21
Town raymond community park to include: lighted 4-plex (baseball) sports courts (tennis/pickleball) playground multi-use fields demonstration garden parking (2) prefabricated restrooms (1) restroom/concession building landscaping and irrigation
Valuation:
N/A
Permit #:
TOWN-24-0004
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Commercial building new - addition
2024-09-27
St pauls episcopal church classroom addition of 4781 sq ft - total sq ft of 20462
Valuation:
$514,580
Permit #:
COM-23-0067
Status:
complete
Fee:
$3,272
Permit Type:
N/A
Building Type:
N/A
Commercial building new - ground-up
2025-03-31
Outback steakhouse
Valuation:
$870,730
Permit #:
COM-23-0116
Status:
complete
Fee:
$55,616
Permit Type:
N/A
Building Type:
N/A
Commercial remodel
2023-08-25
The gents place - tenant building out of an existing commercial space with new interior partitions and finishes
Valuation:
$600,000
Permit #:
COMR22-0136
Status:
final
Fee:
$7,950
Permit Type:
N/A
Building Type:
N/A
Hvac/mechanical - commercial
2025-09-02
Furnish and install 4 roof top units 1 mini split duct and grills: will be using crane to lift units on the roof
Valuation:
$162,000
Permit #:
005965-2025-CMISC
Status:
withdrawn
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Commercialalteration
2024-10-29
New service shop addition- attached
Valuation:
$1,412,320
Permit #:
2410-0898
Status:
triage
Fee:
$6,780
Permit Type:
Accessory building
Building Type:
N/A
Interior finish out – commercial
2025-02-17
Co # 723-2024 texas joint - interior finish out for suite 201
Valuation:
$500,000
Permit #:
000410-2024-CB
Status:
final
Fee:
$4,072
Permit Type:
N/A
Building Type:
N/A
4 split systems refrigeration lines duct work grills and diffusers control wire w/thermostats 8 remote cable dampers 3 motorized dampers 5 exhaust fans 2 gravity relief ventilators condensate drains emergency drain pans w/shut off switches sound boots on ra grills for exam, sono
Valuation:
N/A
Permit #:
2023 040891 000 00 MP
Status:
final
Fee:
N/A
Permit Type:
Work associated w...
Building Type:
N/A
Utilities permit
2025-05-23
4 inch tap and impact fees (primoris ph2)
Valuation:
N/A
Permit #:
2505-0210
Status:
final
Fee:
$227,553
Permit Type:
Water
Building Type:
N/A
Commercial remodel
2022-07-20
Original chopshop - first time tenant finish out of an existing lease space (tco 5/4/23)
Valuation:
$569,175
Permit #:
COMR22-0074
Status:
final
Fee:
$10,886
Permit Type:
N/A
Building Type:
N/A
Alteration/remodel - commercial
2025-08-15
Furnish and install 4 roof top units 1 mini split duct and grills
Valuation:
$162,000
Permit #:
005560-2025-CB
Status:
incomplete application
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Commercial alteration
2023-02-20
Texas joint institute suite 100
Valuation:
$600,000
Permit #:
COM2022-09-01291
Status:
complete
Fee:
$4,387
Permit Type:
N/A
Building Type:
N/A
Commercial alteration
2025-09-24
***tco exp 9/30/25 jh** velvet taco suite 150
Valuation:
$400,000
Permit #:
COM2024-02-00232
Status:
issued
Fee:
$3,761
Permit Type:
N/A
Building Type:
N/A
Commercial building permits - remodel
2024-08-08
Iii forks -
Valuation:
$1,200,000
Permit #:
CBLD2024-04-1503
Status:
issued
Fee:
$10,669
Permit Type:
N/A
Building Type:
N/A
Commercial other non-residential buildings
2023-12-05
**tco exp 10/21/24 jb** hideaway pizza
Valuation:
$800,000
Permit #:
COM2022-12-01691
Status:
issued
Fee:
$74,439
Permit Type:
N/A
Building Type:
N/A
Mechanical permit {value}
2023-03-03
Mechanical for interior alteration - fan powered boxes vav duct work grills controls baylor scott & white obsterics & gynecology - grapevine
Valuation:
N/A
Permit #:
23-00706
Status:
issued
Fee:
$977
Permit Type:
N/A
Building Type:
N/A

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