Updated: May 26, 2026
Location and Projects
Address
P.O. BOX 1622, Blanco, TX, 78606
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Cool Star Service HVAC/Mechanical Contractor
Cool Star Service Co, Blanco, Po Box 1622, Blanco, TX (Owned by: Randolph N. Doyer) holds a Hac Heating Air State Mechanical license and 3 other licenses according to the San Antonio license board.
Their BuildZoom score of 90 indicates that they are licensed or registered but we do not have additional information about them.
Their license was verified as active when we last checked. If you are thinking of hiring Cool Star Service Co, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Cool Star Service Co Contact Information
Phone Number: (512) 699-7387
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Address: P.O. BOX 1622, Blanco, TX 78606
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Mechanical permit - remodel - addition 3-duct work & repair exst ducts to exst commercial building (samsel's jewelers) - commercial
Valuation:
N/A
Permit #:
2005-025423 MP
Status:
final
Fee:
$55
Permit Type:
Commercial
Building Type:
N/A
Mechanical permit - addition - addition to exist sf residence to expand kitchen living room mstr bedroom bathroom - r- 434 addition & alterations
Valuation:
N/A
Permit #:
2006-014141 MP
Status:
final
Fee:
$41
Permit Type:
R- 434 addition &...
Building Type:
N/A
Mechanical permit - remodel - change out 2 exst rtu's to exst commercial building only (mcdonalds) - commercial
Valuation:
N/A
Permit #:
2005-007958 MP
Status:
final
Fee:
$86
Permit Type:
Commercial
Building Type:
N/A
Mechanical permit - new - new one story residence w/att garage covered patio & porch - r- 101 single family houses
Valuation:
N/A
Permit #:
2005-017577 MP
Status:
final
Fee:
$214
Permit Type:
R- 101 single fam...
Building Type:
N/A
Mechanical permit - remodel - roof top unit replacement 25-tons exsting commercial building - commercial
Valuation:
N/A
Permit #:
2005-010989 MP
Status:
final
Fee:
$172
Permit Type:
Commercial
Building Type:
N/A
Mechanical permit - remodel - smoking permit compliance - cool river restaurant - c-1000 commercial remodel
Valuation:
N/A
Permit #:
2004-015973 MP
Status:
final
Fee:
$23
Permit Type:
C-1000 commercial...
Building Type:
N/A
Mesa rosa - replace air conditioning package unit
Valuation:
$8,700
Permit #:
2009-2178
Status:
issued
Fee:
$84
Permit Type:
Repair
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
MC-12-00130
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Mechanical permit - remodel - mechanical connection for 1-walk in freezers & 2-ice machines refer#05000558***no activtiy 09/28/2006*** - commercial
Valuation:
N/A
Permit #:
2005-001163 MP
Status:
canceled
Fee:
$29
Permit Type:
Commercial
Building Type:
N/A
Mechanical permit - remodel - change out 2 rtu's to exst commercial building only - commercial
Valuation:
N/A
Permit #:
2005-007957 MP
Status:
canceled
Fee:
$86
Permit Type:
Commercial
Building Type:
N/A
Mechanical permit - remodel - replacing air handler to exist commercial building. only. - commercial
Valuation:
N/A
Permit #:
2005-012469 MP
Status:
canceled
Fee:
$55
Permit Type:
Commercial
Building Type:
N/A
Mechanical permit - remodel - replacing exst. hvac only - commercial
Valuation:
N/A
Permit #:
2005-013877 MP
Status:
canceled
Fee:
$86
Permit Type:
Commercial
Building Type:
N/A
Mechanical permit - remodel - install evaporator & condensing unit for walkin cooler only***no activtiy 09/28/2006*** - commercial
Valuation:
N/A
Permit #:
2005-019213 MP
Status:
canceled
Fee:
$29
Permit Type:
Commercial
Building Type:
N/A
Mechanical permit - remodel - changeout hvac to exsting commercial building only - commercial
Valuation:
N/A
Permit #:
2005-016560 MP
Status:
canceled
Fee:
$70
Permit Type:
Commercial
Building Type:
N/A
Mechanical permit - remodel - changeout (2) package units to exsting commercial building only - commercial
Valuation:
N/A
Permit #:
2005-002833 MP
Status:
canceled
Fee:
$136
Permit Type:
Commercial
Building Type:
N/A
Mechanical permit - addition - addition master bedrm/bathrm to sf residence - r- 434 addition & alterations
Valuation:
N/A
Permit #:
2006-007299 MP
Status:
canceled
Fee:
$34
Permit Type:
R- 434 addition &...
Building Type:
N/A
Mechanical permit - change out - change out hvac to exst residence refer to permit#2013-083201 - residential
Valuation:
N/A
Permit #:
2010-078982 MP
Status:
canceled
Fee:
$29
Permit Type:
Residential
Building Type:
N/A
Mechanical permit - remodel - repair to min. standard only - residential
Valuation:
N/A
Permit #:
2004-010173 MP
Status:
canceled
Fee:
$55
Permit Type:
Residential
Building Type:
N/A
Mechanical permit - remodel - changeout (2) 3 ton hvac systems to exsting resid only - residential
Valuation:
N/A
Permit #:
2006-010440 MP
Status:
expired
Fee:
$55
Permit Type:
Residential
Building Type:
N/A
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122
BZ Score
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Avg Project
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BZ Score
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Cool Star Service Co Reviews
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Verified License
BuildZoom confirmed this contractor's license
Cool Star Service Co License info
Verified License
| License # | HAC20289 |
| Status | Active |
| City | San Antonio |
| Type | Hac Heating Air State Mechanical |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Cool Star Service Co at the City of San Antonio, TX Licensed Contractors.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | TACLA00020289C |
| Status | Active |
| State | Texas |
| Type | HVAC Air Conditioning/Refrigeration Contractor |
- When BuildZoom last verified this license, it had an expiration date of January, 2015. Check the current license status of Cool Star Service Co with the Texas Department of Licensing and Regulation
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 3765 |
| Status | Inactive |
| City | Round Rock |
| Type | Contractor |
- According to the The City of Round Rock, TX , 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 Cool Star Service Co at the The City of Round Rock, TX .
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | HAC20289 |
| 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 Cool Star Service Co at the City of San Antonio, TX Licensed Contractors.
This is a sample of licensing data; click here to access a complete history.
90
BuildZoom Score
17
Permits
- Building permit records show that Cool Star Service Co has worked on 17 permitted projects.
Cool Star Service Co Employees
RD
Randolph Doyer
Owner
RD
Randolph N Doyer
RD
Randolph N. Doyer
Owner