Updated: May 06, 2026
Location and Projects
Address
19410 FM 529 Rd, Cypress, TX, 77433
Use our bidding system to
request a quote
GSM A/C & General Contractor HVAC/Mechanical Contractor
GSM A/C & General Contractor, 19410 Fm #529 Rd, Cypress, TX (Owned by: San Martin, Guillermo) holds a Mechanical Contractor license and 1 other license according to the Alvin license board.
Their BuildZoom score of 91 ranks in the top 37% of 222,249 Texas licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring GSM A/C & General Contractor, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
GSM A/C & General Contractor Contact Information
Phone Number: (281) 235-4684
Edit
Address: 19410 FM 529 Rd, Cypress, TX 77433
Edit
Do you work for this business? Unlock this free profile to update company info and see who's viewing your profile.
GSM A/C & General Contractor Reviews
5 out of 5 stars, based on
1
review
-
By Kenneth P.May 6, 2019Replace downstairs unit$5,500
Building Permits by GSM A/C & General Contractor
This is a sample of this contractor's permits. Click here to access their complete permit history.
New air conditioning installation
Valuation:
N/A
Permit #:
HVAC-20-2417
Status:
issued
Fee:
$132
Permit Type:
N/A
Building Type:
N/A
New air conditioning installation
Valuation:
N/A
Permit #:
HVAC-20-2416
Status:
issued
Fee:
$127
Permit Type:
N/A
Building Type:
N/A
Manufactured home placement
Valuation:
$0
Permit #:
15041820
Status:
ISSUED
Fee:
N/A
Permit Type:
HVAC permit
Building Type:
Mobil homes
Apartment hvac permit
Valuation:
$0
Permit #:
15032892
Status:
ISSUED
Fee:
N/A
Permit Type:
HVAC permit
Building Type:
Not construction ...
Similar Contractors See more
License # REG10370
Houston, TX
118
BZ Score
-
Avg Project
-
Projects
137
BZ Score
$5K
Avg Project
-
Projects
License # 21-093342
Pearland, TX
120
BZ Score
-
Avg Project
-
Projects
Recent Buildzoom Projects
Let us find you an HVAC pro in your area today
We'll search our vast network of HVAC Pros and connect
you with one that meets your needs today.
Verified License
BuildZoom confirmed this contractor's license
GSM A/C & General Contractor License info
Verified License
| License # | 20-028582 |
| Status | Active |
| City | Alvin |
| Type | Mechanical Contractor |
- BuildZoom verified this license was active as of August 2025.
Verify this license's status for GSM A/C & General Contractor at the City of Alvin.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | TACLB00024476E |
| Status | Active |
| State | Texas |
| Type | Air Conditioning/Refrigeration Contractor |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for GSM A/C & General Contractor at the Texas Department of Licensing and Regulation.
This is a sample of licensing data; click here to access a complete history.
91
BuildZoom Score
GSM A/C & General Contractor Employees
GM
Guillermo San Martin
SG
San Martin, Guillermo
Owner
Very professional and honest