Updated: Jul 07, 2026
Location and Projects
Address
4823 Katy Hockley Road, Katy, TX, 77493
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Laboratory Mechanical Services LLC
Laboratory Mechanical Services LLC, 4823 Katy Hockley Rd, Katy, TX (Owned by: James G. Cook) holds a Mechanical Contractor license and 6 other licenses according to the Alvin 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 Laboratory Mechanical Services LLC, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Laboratory Mechanical Services LLC Services
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Laboratory Mechanical Services LLC Contact Information
Phone Number: (713) 461-2236
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Address: 4823 Katy Hockley Road, Katy, TX 77493
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Laboratory Mechanical Services LLC Katy
Quality
101
88th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Laboratory Mechanical Services LLC has a BuildZoom score of 101, which places them above 88% of 222,249 contractors in Texas.
Activity
|
2 projects
|
2025 |
|
2 projects
|
2024 |
|
1 project
|
2023 |
Our building permit records indicate that Laboratory Mechanical Services LLC has worked on at least
5.0 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
|
4 projects
|
HVAC projects |
|
3 projects
|
Mechanical projects |
Analyzing permits over the last 4 years shows that Laboratory Mechanical Services LLC mostly works on
hvac project
and mechanical project
projects.
Pricing
|
1 project
|
< $5k |
|
2 projects
|
$250k-$500k |
|
1 project
|
$1mil+ |
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 Laboratory Mechanical Services LLC
This is a sample of this contractor's permits. Click here to access their complete permit history.
Commercial lab remodeling no elevation cert. or boundary survey required iecc required plan must be on jobsite. iecc ernest taylor tabs2025003454
Valuation:
$350,000
Permit #:
24100817
Status:
open
Fee:
N/A
Permit Type:
N/A
Building Type:
Offices
Building remodel into office/laboratory space with b occupancy
Valuation:
$1,500,000
Permit #:
CB-000210-2025
Status:
issued
Fee:
$7,951
Permit Type:
N/A
Building Type:
N/A
Building remodel into office/laboratory space with b occupancy
Valuation:
$1,500,000
Permit #:
CB-000210-2025
Status:
issued
Fee:
$7,951
Permit Type:
N/A
Building Type:
N/A
Commercial hvac for building permit cb-000210-2025
Valuation:
$253,015
Permit #:
CM-000379-2025
Status:
issued
Fee:
$854
Permit Type:
N/A
Building Type:
N/A
Plumbing permit for laboratory and office remodel
Valuation:
$0
Permit #:
CP-000416-2025
Status:
issued
Fee:
$91
Permit Type:
N/A
Building Type:
N/A
1) general exhaust for cetane room 2) demolish existing laboratory hvac system 3) install new 38-ton 100% outside air laboratory hvac system including pad mounted remote terminal unit new ductwork with fire damper(s) four electric duct heaters for separate zones
Valuation:
N/A
Permit #:
20-03042
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Air conditioning and or heating unit (1) 40 ton for commercial
Valuation:
N/A
Permit #:
24120640
Status:
open
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Electrical permit - commercial remodel (101-000-4210) (effective feb. 1 2024)
2025-08-19
Provide ducting and electrical through roof to 2 roof mounted exhaust fans
Valuation:
N/A
Permit #:
2025-41793
Status:
issued
Fee:
N/A
Permit Type:
Remodel
Building Type:
Electrical commer...
Provde a new lab type once-thru air exh. & makeup air system
Valuation:
N/A
Permit #:
MECH23-00095
Status:
final
Fee:
N/A
Permit Type:
Alteration
Building Type:
N/A
17 555 sf conversion to factory suite 1-1-2-f1-b 21 ibc spk
Valuation:
N/A
Permit #:
23061744
Status:
issued
Fee:
N/A
Permit Type:
Non-residential a...
Building Type:
N/A
Interior remodel of existing lease space for office/laboratory. **existing c of o for office/warehouse og-b ol-5 og-s1 ol-4 ap #2028089.** existing 400af tenant service. ***cond approval elec: gfci protection per nec 210.8(b)(1) (5) & (6); hvac svc receptacle not to be installed on unit- cosa ch.10-210.63*** *****3.30.2015 no fats oils grease or wastes harmful to the public sewer are ... see more
Valuation:
N/A
Permit #:
2047417
Status:
complete
Fee:
$2,063
Permit Type:
N/A
Building Type:
N/A
Convert office/lab into chemcial retian or storage
Valuation:
$1,500,000
Permit #:
CB-000070-2016
Status:
issued
Fee:
$6,536
Permit Type:
N/A
Building Type:
N/A
New furnance for 100% oa new split system
Valuation:
$185,330
Permit #:
CM-000518-2016
Status:
issued
Fee:
$633
Permit Type:
N/A
Building Type:
N/A
Replace air cooler chiller with same size
Valuation:
$183,265
Permit #:
CM-001656-2019
Status:
issued
Fee:
$627
Permit Type:
N/A
Building Type:
N/A
Convert office/lab into chemcial retian or storage - plumbing
Valuation:
$1,500,000
Permit #:
CP-000579-2016
Status:
issued
Fee:
$83
Permit Type:
N/A
Building Type:
N/A
Mech: new laboratory make-up air and exhaust jcam
Valuation:
N/A
Permit #:
2068508
Status:
complete
Fee:
$179
Permit Type:
N/A
Building Type:
N/A
Duct only for laboratory exhaust snorkel hoods
Valuation:
N/A
Permit #:
MECH20-00999
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Demolish of interior non-load bearing non-fire rated walls 2006 ibc
Valuation:
N/A
Permit #:
14008997
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace two rtu's od equal size. 15-ton and 12.5 ton
Valuation:
$40,780
Permit #:
RM-000121-2020
Status:
issued
Fee:
$300
Permit Type:
N/A
Building Type:
N/A
Sink and tank
Valuation:
N/A
Permit #:
PLUM20-01615
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Laboratory Mechanical Services LLC License info
Verified License
| License # | 26-000156 |
| Status | Active |
| City | Alvin |
| Type | Mechanical Contractor |
| Date Issued | 06-22-2026 |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Laboratory Mechanical Services LLC at the City of Alvin.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | HAC24489 |
| Status | Active |
| City | San Antonio |
| Type | Hac Heating Air State Mechanical |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Laboratory Mechanical Services LLC at the City of San Antonio, TX Licensed Contractors.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | HAC24489 |
| Status | Active |
| City | San Antonio |
| Type | Hac Heating Air State Mechanical |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Laboratory Mechanical Services LLC at the City of San Antonio, TX Licensed Contractors.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | TACLA00024489C |
| Status | Active |
| State | Texas |
| Type | Air Conditioning/Refrigeration Contractor |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Laboratory Mechanical Services LLC at the Texas Department of Licensing and Regulation.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 45395 |
| Status | Active |
| State | Louisiana |
| Type | Building Construction, Mechanical |
| Class | Commercial License Certificate |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Laboratory Mechanical Services LLC at the Louisiana Licensing Board.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 4120 |
| Status | Active |
| City | Round Rock |
| Type | Contractor |
- When BuildZoom last verified this license, it had an expiration date of December, 2010. Check the current license status of Laboratory Mechanical Services LLC with the The City of Round Rock, TX
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | HAC24489 |
| Status | Inactive |
| City | San Antonio |
- According to the City of San Antonio, TX Licensed Contractors, 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 Laboratory Mechanical Services LLC at the City of San Antonio, TX Licensed Contractors.
This is a sample of licensing data; click here to access a complete history.
101
BuildZoom Score
22
Permits
- Building permit records show that Laboratory Mechanical Services LLC has worked on 22 permitted projects.
Laboratory Mechanical Services LLC Employees
CG
Cook, James G
Owner
JC
James Cook
Owner
JC
James G Cook
None
JC
James G. Cook
Owner
JC
Jim Cook
JS
John Daniel Schiesler
NN
None None
None