Updated: Dec 19, 2025
Location and Projects
Address
625 Brentwood St, Austin, TX, 78752
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Green Collar Operations HVAC/Mechanical Contractor
Specializing in Whole House Weatherization & Home Performance to Include:
AIR DUCT REPAIR, REPLACEMENT or REDESIGN - AIR INFILTRATION TESTING & SEALING - SYSTEM PERFORMANCE TESTING - AIR BALANCING - DUCT BLASTER TESTING - AIR CONDITIONING & HEATING REPLACEMENT - ATTIC INSULATION - INSULATION REMOVAL - SOLAR ATTIC FANS & RADIANT BARRIER
From BuildZoom:
Their BuildZoom score of 113 ranks in the top 3% of 222,249 Texas licensed contractors.
If you are thinking of hiring Green Collar Operations, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Green Collar Operations Services
Start a project today:
Green Collar Operations Contact Information
Phone Number: (512) 986-7045
Address: 625 Brentwood St, Austin, TX 78752
Green Collar Operations Reviews
5 out of 5 stars, based on
1
review
-
By Dan W.March 24, 2017Verified Hire
Building Permits by Green Collar Operations
This is a sample of this contractor's permits. Click here to access their complete permit history.
Replacement of complete existing central heat and air system with or without duct work
Valuation:
N/A
Permit #:
2025-079637 MP
Status:
issued
Fee:
N/A
Permit Type:
Residential
Building Type:
N/A
Replacement of complete existing central heat and air system with or without duct work
Valuation:
N/A
Permit #:
2025-079633 MP
Status:
issued
Fee:
N/A
Permit Type:
Residential
Building Type:
N/A
Enclosure of existing carport to be office and side entry conversion of existing exterior laundry at back of carport to be conditioned interior space rolling in expired permit 2017014772 bp into scope
Valuation:
N/A
Permit #:
2023-041552 MP
Status:
final
Fee:
N/A
Permit Type:
R- 434 addition &...
Building Type:
N/A
Mechanical permit - change out - replacement of complete existing central heat and air system with or without duct work - residential
Valuation:
N/A
Permit #:
2023-012557 MP
Status:
issued
Fee:
$64
Permit Type:
Residential
Building Type:
N/A
Replacement of complete existing central heat and air system with or without duct work
Valuation:
N/A
Permit #:
2024-155038 MP
Status:
issued
Fee:
$65
Permit Type:
Residential
Building Type:
N/A
Mechanical permit - change out - replacement of complete existing central heat and air system with or without duct work - residential
Valuation:
N/A
Permit #:
2022-176708 MP
Status:
issued
Fee:
$64
Permit Type:
Residential
Building Type:
N/A
Mechanical permit - change out - replacement of complete existing central heat and air system with or without duct work - residential
Valuation:
N/A
Permit #:
2022-170820 MP
Status:
final
Fee:
$64
Permit Type:
Residential
Building Type:
N/A
Mechanical permit - change out - replacement of complete existing central heat and air system with or without duct work - residential
Valuation:
N/A
Permit #:
2022-170818 MP
Status:
issued
Fee:
$64
Permit Type:
Residential
Building Type:
N/A
Mechanical permit - change out - replacement of complete existing central heat and air system with or without duct work - residential
Valuation:
N/A
Permit #:
2022-148895 MP
Status:
issued
Fee:
$71
Permit Type:
Residential
Building Type:
N/A
Mechanical permit - change out - replacement of complete existing central heat and air system with or without duct work - residential
Valuation:
N/A
Permit #:
2022-138582 MP
Status:
final
Fee:
$71
Permit Type:
Residential
Building Type:
N/A
Mechanical permit - change out - replacement of complete existing central heat and air system with or without duct work - residential
Valuation:
N/A
Permit #:
2022-109005 MP
Status:
issued
Fee:
$71
Permit Type:
Residential
Building Type:
N/A
Mechanical permit - change out - replacement of complete existing central heat and air system with or without duct work - residential
Valuation:
N/A
Permit #:
2022-058569 MP
Status:
final
Fee:
$71
Permit Type:
Residential
Building Type:
N/A
Mechanical permit - change out - replacement of complete existing central heat and air system with or without duct work - residential
Valuation:
N/A
Permit #:
2022-047211 MP
Status:
final
Fee:
$71
Permit Type:
Residential
Building Type:
N/A
Mechanical permit - change out - replacement of complete existing central heat and air system with or without duct work - residential
Valuation:
N/A
Permit #:
2022-048559 MP
Status:
final
Fee:
$71
Permit Type:
Residential
Building Type:
N/A
Mechanical permit - change out - replacement of complete existing central heat and air system with or without duct work - residential
Valuation:
N/A
Permit #:
2022-047217 MP
Status:
triage
Fee:
$71
Permit Type:
Residential
Building Type:
N/A
Mechanical permit - change out - replacement of complete existing central heat and air system with or without duct work - residential
Valuation:
N/A
Permit #:
2022-041764 MP
Status:
final
Fee:
$71
Permit Type:
Residential
Building Type:
N/A
Mechanical permit - change out - replacement of complete existing central heat and air system with or without duct work - residential
Valuation:
N/A
Permit #:
2022-021556 MP
Status:
final
Fee:
$71
Permit Type:
Residential
Building Type:
N/A
Mechanical permit - change out - replacement of complete existing central heat and air system with or without duct work - residential
Valuation:
N/A
Permit #:
2022-003761 MP
Status:
final
Fee:
$71
Permit Type:
Residential
Building Type:
N/A
Mechanical permit - addition and remodel - interior remodel of kitchen master bed and hall bathroom - r- 434 addition & alterations
Valuation:
N/A
Permit #:
2022-025102 MP
Status:
final
Fee:
$135
Permit Type:
R- 434 addition &...
Building Type:
N/A
Replacement of complete existing central heat and air system with or without duct work
Valuation:
N/A
Permit #:
2023-067969 MP
Status:
issued
Fee:
N/A
Permit Type:
Residential
Building Type:
N/A
Hiring a contractor?
Green Collar Operations License info
License Not Verified
| License # | 7642 |
| Status | Active |
| City | Round Rock |
| Type | Contractor |
| Business Type | Limited Liability Company (Llc) |
- When BuildZoom last verified this license, it had an expiration date of December, 2020. Check the current license status of Green Collar Operations with the The City of Round Rock, TX
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | TACLA00078361E |
| Status | Active |
| State | Texas |
| Type | Ae Air Conditioning/Refrigeration Contractor |
| Business Type | Limited Liability Company (Llc) |
- When BuildZoom last verified this license, it had an expiration date of February, 2018. Check the current license status of Green Collar Operations with the Texas Department of Licensing and Regulation
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | TACLA00031479E |
| Status | Active |
| State | Texas |
| Type | Air Conditioning/Refrigeration Contractor |
| Business Type | Limited Liability Company (Llc) |
- When BuildZoom last verified this license, it had an expiration date of July, 2017. Check the current license status of Green Collar Operations 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 # | H921468 |
| Status | Inactive |
| City | San Antonio |
| Business Type | Limited Liability Company (Llc) |
- 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.
Check this license's status for Green Collar Operations at the City of San Antonio, TX Licensed Contractors.
This is a sample of licensing data; click here to access a complete history.
113
BuildZoom Score
579
Permits
- Building permit records show that Green Collar Operations has worked on 579 permitted projects.
Green Collar Operations Employees
AE
Andrew G. Ewig
Owner
Robert Scott
Co-Owner, Certified Energy Auditor
They were clean, friendly, professional and did good work. I would recommend Green Collar Operations.