Updated: May 26, 2026
Location and Projects
Address
3611 E Adams, Alton, TX, 78573
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Sterling Services HVAC/Mechanical Contractor
Sterling Services, 3611 E Adams, Alton, TX (Owned by: Mario Pena) holds a Mechanical license and 3 other licenses according to the Pharr 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 Sterling Services, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Sterling Services Contact Information
Phone Number: (956) 529-3034
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Address: 3611 E Adams, Alton, TX 78573
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Sterling Services Alton
Quality
101
88th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Sterling Services has a BuildZoom score of 101, which places them above 88% of 222,249 contractors in Texas.
Activity
|
7 projects
|
2025 |
|
9 projects
|
2024 |
|
3 projects
|
2023 |
Our building permit records indicate that Sterling Services has worked on at least
19.0 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
|
18 projects
|
Mechanical projects |
|
12 projects
|
HVAC projects |
Analyzing permits over the last 4 years shows that Sterling Services mostly works on
mechanical project
and hvac project
projects.
Pricing
|
8 projects
|
< $5k |
|
4 projects
|
$5k-$20k |
The typical size of their permits is approximately $2,250. This graph shows the distribution of these job values.
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.
This is a sample of this contractor's permits. Click here to access their complete permit history.
New residence **double fee mechanical permit as per gm/ms 7/24/23 ***have customer sign conditions only = no fees - as per r garcia 4/19/22 ********renewal no changes as per applicant. jp 4/5/23 *************** ************* march 28 2022 (rgarcia) swimming pool game room and study/guest room shown on plans now part of scope ************* march 28 2022 (rgarcia) (pending) requested re... see more
Valuation:
N/A
Permit #:
RES2023-08112
Status:
issued
Fee:
$48
Permit Type:
N/A
Building Type:
N/A
Will replace 4 -6ton rooftop package units with gas heat. units are being provided by customer
Valuation:
$8,000
Permit #:
2023-06638
Status:
complete
Fee:
$82
Permit Type:
Replacement
Building Type:
N/A
Will replace a 10 ton rooftop package unit with gas heat
Valuation:
$2,000
Permit #:
2025-01702
Status:
complete
Fee:
$58
Permit Type:
Replacement
Building Type:
N/A
Mechanical (commercial) - hvac changeout repair
2025-03-04
Will replace a 7.5 ton rooftop package unit
Valuation:
$2,250
Permit #:
MECC-000625-2025
Status:
issued
Fee:
$105
Permit Type:
N/A
Building Type:
N/A
Like for like 5 ton roof top package unit ok as per ny business: church's chicken
Valuation:
$2,000
Permit #:
CMM2025-06432
Status:
issued
Fee:
$58
Permit Type:
N/A
Building Type:
N/A
Will replace a 12.5 ton roof top unit. with no heat
Valuation:
$2,000
Permit #:
2024-01978
Status:
expired
Fee:
$58
Permit Type:
Replacement
Building Type:
N/A
Will replace a 7.5 ton rooftop unit with no heat
Valuation:
$2,000
Permit #:
2024-03184
Status:
complete
Fee:
$58
Permit Type:
Replacement
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
CMM2025-00016
Status:
issued
Fee:
$126
Permit Type:
N/A
Building Type:
N/A
Replace 12.5 ton rooftop package unit with gas heat (ac unit replace)
Valuation:
N/A
Permit #:
MECC-011638-2024
Status:
issued
Fee:
$105
Permit Type:
N/A
Building Type:
N/A
Replacement of 8 units like for like approved as per rr
Valuation:
$18,500
Permit #:
CMM2024-05741
Status:
issued
Fee:
$111
Permit Type:
N/A
Building Type:
N/A
Air conditioning changeout like for like no remodeling taking place approved by ny
Valuation:
$1,500
Permit #:
CMM2021-01984
Status:
issued
Fee:
$57
Permit Type:
N/A
Building Type:
N/A
Equipment changeout like for like approved by ny as per contractor no remodeling taking place gas heater
Valuation:
$1,500
Permit #:
CMM2020-03574
Status:
issued
Fee:
$132
Permit Type:
N/A
Building Type:
N/A
Change out air conditioning unit church"s chicken
Valuation:
N/A
Permit #:
CMM2023-00026
Status:
issued
Fee:
$120
Permit Type:
N/A
Building Type:
N/A
Replacing old unit with new
Valuation:
N/A
Permit #:
20-00252
Status:
issued
Fee:
$106
Permit Type:
N/A
Building Type:
N/A
10 ton roof top unit
Valuation:
N/A
Permit #:
20-01510
Status:
issued
Fee:
$100
Permit Type:
N/A
Building Type:
N/A
Replacing existing unit with new unit
Valuation:
N/A
Permit #:
19-01117
Status:
issued
Fee:
$88
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
CMM2024-00034
Status:
issued
Fee:
$120
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
CMM2023-00027
Status:
issued
Fee:
$120
Permit Type:
N/A
Building Type:
N/A
Mechanical (commercial) - hvac changeout repair
2024-05-22
No Description Available
Valuation:
$0
Permit #:
MECC-007254-2023
Status:
issued
Fee:
$105
Permit Type:
N/A
Building Type:
N/A
Will replace a 5 ton rooftop package unit
Valuation:
N/A
Permit #:
CMM2024-00049
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Sterling Services Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Sterling Services License info
Verified License
| License # | TACLB77144C |
| Status | Active |
| City | Pharr |
| Type | Mechanical |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Sterling Services at the City of Pharr.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | TACLB00077144C |
| Status | Active |
| State | Texas |
| Type | Air Conditioning/Refrigeration Contractor |
- BuildZoom verified this license was active as of December 2025.
Verify this license's status for Sterling Services at the Texas Department of Licensing and Regulation.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| Status | Active |
| City | Laredo |
| Type | Mechanical Contractor |
- When BuildZoom last verified this license, it had an expiration date of December, 2021. Check the current license status of Sterling Services with the City of Laredo Building Development Services
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | MC1554472 |
| Status | Active |
| City | Pharr |
| Type | Mechanical License |
- When BuildZoom last verified this license, it had an expiration date of March, 2023. Check the current license status of Sterling Services with the City of Pharr
This is a sample of licensing data; click here to access a complete history.
101
BuildZoom Score
25
Permits
- Building permit records show that Sterling Services has worked on 25 permitted projects.
Sterling Services Employees
MP
Mario Alberto Pena
MP
Mario Pena
Owner
PA
Pena, Mario Alberto
Owner