Updated: Jul 07, 2026
Location and Projects
Address
P.O. BOX 1535, Castroville, TX, 78009
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A/C Technical Services Ltd HVAC/Mechanical Contractor
A/C Technical Services Ltd, Castroville, Po Box 1535, Castroville, TX (Owned by: Gregory Zinsmeyer) holds a State Mechanical Contractor Hac license and 13 other licenses according to the San Antonio license board.
Their BuildZoom score of 108 ranks in the top 5% of 222,249 Texas licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring A/C Technical Services Ltd, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
A/C Technical Services Ltd Contact Information
Phone Number: (210) 677-0001
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Address: P.O. BOX 1535, Castroville, TX 78009
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A/C Technical Services Ltd Castroville
Quality
108
95th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
A/C Technical Services Ltd has a BuildZoom score of 108, which places them above 95% of 222,249 contractors in Texas.
Activity
|
4 projects
|
2025 |
|
9 projects
|
2024 |
|
18 projects
|
2023 |
Our building permit records indicate that A/C Technical Services Ltd has worked on at least
31.0 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
|
6 projects
|
New Constructions |
|
4 projects
|
Commercial Renovations |
|
3 projects
|
Home Additions |
|
15 projects
|
HVAC projects |
|
14 projects
|
Mechanical projects |
Analyzing permits over the last 4 years shows that A/C Technical Services Ltd mostly works on
hvac project
and mechanical project
projects.
Pricing
|
1 project
|
$20k-$50k |
|
2 projects
|
$50k-$100k |
|
2 projects
|
$1mil+ |
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.
Building Permits by A/C Technical Services Ltd
This is a sample of this contractor's permits. Click here to access their complete permit history.
Building no: 1; unit no: 1; addition rcu's and roof penetration. remodel: sales floor flooring interior and exterior walls photo lab vestibules money center customer service money center grocery vision center pharmacy garden center auto center stockroom rear offices breakroom restrooms grocery and pickup storage
Valuation:
N/A
Permit #:
COM-RML-PMT25-40000268
Status:
filed
Fee:
$9,890
Permit Type:
N/A
Building Type:
N/A
Building no: 2; unit no: n/a; **to be reviewed under 2021 code cycle** *sitework under com-prj-app23-39802600* *scope of work* 25 8800 sf multi-tenant speculative shell building 1 and 26 800 sf multi-tenant speculative shell building 2
Valuation:
N/A
Permit #:
COM-SHL-PMT24-40400017
Status:
filed
Fee:
$4,796
Permit Type:
N/A
Building Type:
N/A
School team - inspections; 2018 i-codes and 2017 nec demolish portion of existing campus for construction of new 33 124 sq ft arena facility. tia - sip- for west bound left turn lane com-prj-app24-39801207
Valuation:
N/A
Permit #:
COM-BLG-PMT24-40200695
Status:
filed
Fee:
$24,128
Permit Type:
N/A
Building Type:
N/A
Affordable housing; **to be reviewed under 2021 code cycle** interior renovation to increase number of resident rooms reduce communal spaces and provide new finishes. site work is limited to new fire line for sprinkler system and new accessible ramps at exterior entry points. includes complete mep replacement plus new sprinkler system
Valuation:
N/A
Permit #:
COM-RML-PMT24-40000033
Status:
final
Fee:
$13,540
Permit Type:
N/A
Building Type:
N/A
Building no: 1; unit no: n/a; **to be reviewed under 2021 code cycle** *sitework under com-prj-app23-39802600* *scope of work* 25 8800 sf multi-tenant speculative shell building 1 and 26 800 sf multi-tenant speculative shell building 2
Valuation:
N/A
Permit #:
COM-SHL-PMT24-40400016
Status:
filed
Fee:
$5,315
Permit Type:
N/A
Building Type:
N/A
Complex plans - biolife san antonio; **2021 i-codes/2020 nec**this project consists of the construction of a new 14 569 s.f. ground up structure to house a medical office facility. this medical facility collects and distributes plasma. plasma is sent to an external lab for processing off-site. this facility is classified as an outpatient clinic
Valuation:
N/A
Permit #:
COM-SIT-PMT23-40100446
Status:
issued
Fee:
$5,473
Permit Type:
N/A
Building Type:
N/A
Building no: n/a; unit no: n/a; **2021 i-codes/2020 nec**this project consists of the construction of a new 14 569 s.f. ground up structure to house a medical office facility. this medical facility collects and distributes plasma. plasma is sent to an external lab for processing off-site. this facility is classified as an outpatient clinic
Valuation:
N/A
Permit #:
COM-BLG-PMT23-40201077
Status:
final
Fee:
$10,947
Permit Type:
N/A
Building Type:
N/A
Install 15 ton remote terminal unit & 3 ton split system; 15 ton remote terminal unit 3 ton split system
Valuation:
N/A
Permit #:
MEP-TRD-APP25-33104850
Status:
issued
Fee:
$87
Permit Type:
Commercial
Building Type:
N/A
Hvac 500000.00
Valuation:
$3,950,000
Permit #:
22-9807/000 000 901 00
Status:
issued
Fee:
$9,538
Permit Type:
Offices banks
Building Type:
Not available
New shell building with interior finsh out – commercial
2024-02-27
New ground up construction grocery store- heb co#7548-2022
Valuation:
$20,000,000
Permit #:
003551-2022-CB
Status:
complete
Fee:
$85,488
Permit Type:
N/A
Building Type:
N/A
Finish out of tortilleria & meal simple cooler inside new heb grocery store at 575 east exchange parkway (at nw corner of e exchange parkway and n greenville ave)
Valuation:
$80,000
Permit #:
002399-2023-CB
Status:
complete
Fee:
$1,067
Permit Type:
N/A
Building Type:
N/A
Installation of 2 ton 18.5 seer heat pump system w/electric heat; install new bosch 2 ton 18.5 seer variable speed heat pump system with 5kw heat
Valuation:
N/A
Permit #:
MEP-TRD-APP23-33110266
Status:
complete
Fee:
$73
Permit Type:
Residential
Building Type:
N/A
Heb chicken room @ meat plant; installation of 1 inline fan & ductwork
Valuation:
N/A
Permit #:
MEP-MEC-PMT25-33900344
Status:
filed
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Installation of hvac equipment an ductwork - remote terminal unit change out 19-pacu units (roof top units) 2-split systems; installation of hvac equipment an ductwork - remote terminal unit change out 19-pacu units (roof top units) 2-split systems
Valuation:
N/A
Permit #:
MEP-TRD-APP21-33130331
Status:
issued
Fee:
$399
Permit Type:
Commercial
Building Type:
N/A
1 inline fan & ductwork; installation of 1 inline fan & ductwork
Valuation:
N/A
Permit #:
MEP-TRD-APP25-33100344
Status:
issued
Fee:
$60
Permit Type:
Commercial
Building Type:
N/A
Dan pfeil; 15 ton remote terminal unit 3 ton split system
Valuation:
N/A
Permit #:
MEP-MEC-PMT25-33904850
Status:
expired
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Microsoft team; this remodel permit is for remodeling the existing building into a shell building only. there is a separate remodel permit for finishing out the shell to be occupied. loc only
Valuation:
N/A
Permit #:
COM-RML-PMT21-40000393
Status:
final
Fee:
$14,556
Permit Type:
N/A
Building Type:
N/A
Anr alter/add's & conversion - non residence
Valuation:
$3,300,000
Permit #:
20-00002526
Status:
issued
Fee:
N/A
Permit Type:
Grocery store
Building Type:
N/A
Install new kitchen hood and exhaust fan no bp electronic online permit c/o - javier barbosa 210-287-2229
Valuation:
$60,000
Permit #:
CMM2023-01720
Status:
final
Fee:
$425
Permit Type:
N/A
Building Type:
N/A
Plumbing permit - remodel - removal & replacement of existing hvac system within the store. [7 day review] - c-1000 commercial remodel
Valuation:
N/A
Permit #:
2022-082917 PP
Status:
issued
Fee:
$381
Permit Type:
C-1000 commercial...
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
A/C Technical Services Ltd License info
Verified License
| License # | HAC11003 |
| Status | Active |
| City | San Antonio |
| Type | State Mechanical Contractor Hac |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for A/C Technical Services Ltd 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 # | TACLA00011003C |
| Status | Active |
| State | Texas |
| Type | Air Conditioning/Refrigeration Contractor |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for A/C Technical Services Ltd 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
| License # | MC5601588 |
| Status | Active |
| City | Cibolo |
| Type | Mechanical Contractor |
- When BuildZoom last verified this license, it had an expiration date of September, 2023. Check the current license status of A/C Technical Services Ltd with the City of Cibolo
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | MC8582798 |
| Status | Active |
| City | Cibolo |
| Type | Mechanical Contractor |
- When BuildZoom last verified this license, it had an expiration date of July, 2020. Check the current license status of A/C Technical Services Ltd with the City of Cibolo
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, 2020. Check the current license status of A/C Technical Services Ltd 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
| Status | Active |
| City | Round Rock |
| Type | Contractor |
- When BuildZoom last verified this license, it had an expiration date of December, 2020. Check the current license status of A/C Technical Services Ltd with the The City of Round Rock, TX
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 17-005135 |
| Status | Inactive |
| City | Wichita Falls |
| Type | Mechanical |
- According to the City of Wichita Falls, 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 A/C Technical Services Ltd at the City of Wichita Falls.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | Dallas |
| Type | Mechanical (Me) |
- According to the City of Dallas, 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.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | Waco |
| Type | City Insurance |
- According to the City of Waco, 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 A/C Technical Services Ltd at the City of Waco.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | TACLA11003C |
| Status | Inactive |
| City | Waco |
| Type | Mechanical |
- According to the City of Waco, 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 A/C Technical Services Ltd at the City of Waco.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 17434 |
| Status | Inactive |
| City | Plano |
| Type | Mechanical/Hvac |
- According to the City of Plano, Texas, 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 A/C Technical Services Ltd at the City of Plano, Texas.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | Waco |
| Type | City Insurance |
- According to the City of Waco, 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 A/C Technical Services Ltd at the City of Waco.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | TACLA11003C |
| Status | Inactive |
| City | Baytown |
| Type | Mechanical Contractor |
- According to the City of Baytown, Texas, 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 A/C Technical Services Ltd at the City of Baytown, Texas.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | HAC11003 |
| 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 A/C Technical Services Ltd at the City of San Antonio, TX Licensed Contractors.
This is a sample of licensing data; click here to access a complete history.
108
BuildZoom Score
416
Permits
- Building permit records show that A/C Technical Services Ltd has worked on 416 permitted projects.
A/C Technical Services Ltd Employees
GZ
Gregory M Zinsmeyer
GZ
Gregory Zinsmeyer
Owner
MC
Matthew Chapman
Owner
NN
None None
None
ZM
Zinsmeyer, Gregory Melvin
Owner