Updated: May 26, 2026
Location and Projects
Address
P O BOX 573, Cibolo, TX, 78108
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Diagnostic A/C HVAC/Mechanical Contractor
Diagnostic A/C, Cibolo, Po Box 573, Cibolo, TX (Owned by: Marvin R. Williams) holds a Hbe Heating Air State Mechanical license and 3 other licenses according to the San Antonio license board.
Their BuildZoom score of 0 does not rank in the top 50% of Texas contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Diagnostic A/C, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Diagnostic A/C Contact Information
Phone Number: (210) 617-0369
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Address: P O BOX 573, Cibolo, TX 78108
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This is a sample of this contractor's permits. Click here to access their complete permit history.
House never had central hvac. installing new 4 ton heat pump including all new duct
Valuation:
N/A
Permit #:
2564111
Status:
filed
Fee:
$93
Permit Type:
N/A
Building Type:
N/A
New hvac system install for a residence w/o previous central air conditioning --r.rodriguez 6/14/19 stop work - completion prmit required***aalexander
Valuation:
N/A
Permit #:
2374447
Status:
suspended
Fee:
$143
Permit Type:
N/A
Building Type:
N/A
Mechanical completion permit to replace permit #1726949 w/roughin passed on:07/19/2011
Valuation:
N/A
Permit #:
C1749052
Status:
complete
Fee:
$56
Permit Type:
N/A
Building Type:
N/A
102 palo alto rd suite 200
Valuation:
N/A
Permit #:
COO-APP24-37602642
Status:
plancheck
Fee:
$418
Permit Type:
N/A
Building Type:
N/A
Gen hvac past due letter sent 5/8/08
Valuation:
N/A
Permit #:
1435957
Status:
complete
Fee:
$158
Permit Type:
N/A
Building Type:
N/A
Never had central air conditioning & heating. house is being totally renovated
Valuation:
N/A
Permit #:
2460245
Status:
complete
Fee:
$82
Permit Type:
N/A
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Diagnostic A/C License info
Verified License
| License # | HBE27286 |
| Status | Active |
| City | San Antonio |
| Type | Hbe Heating Air State Mechanical |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Diagnostic A/C 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 # | HBE27286 |
| Status | Active |
| City | San Antonio |
| Type | Hbe Heating Air State Mechanical |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Diagnostic A/C at the City of San Antonio, TX Licensed Contractors.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | HBE27286 |
| 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 Diagnostic A/C at the City of San Antonio, TX Licensed Contractors.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | TACLB00027286E |
| Status | Inactive |
| State | Texas |
| Type | Air Conditioning/Refrigeration Contractor |
- According to the Texas Department of Licensing and Regulation, 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 Diagnostic A/C at the Texas Department of Licensing and Regulation.
This is a sample of licensing data; click here to access a complete history.
ALERT*
BuildZoom Score
- How the BuildZoom Score works
- *No active license on file. If you are Diagnostic A/C, click “This is My Business” to update your information.
6
Permits
- Building permit records show that Diagnostic A/C has worked on 6 permitted projects.
Diagnostic A/C Employees
MW
Marvin R Williams
None
MW
Marvin R. Williams
Owner
NN
None None
None
WM
Williams, Marvin
Owner