Updated: May 30, 2026
Location and Projects
Address
1920 WOODLAND PKWY, Escondido, CA, 92026
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G J S Heating & Air Conditioning
G J S Heating & Air Conditioning, 1920 Woodland Pkwy, Escondido, CA (Owned by: Greg Joseph Sin) holds a Warm Air Heating, Ventilating And Air Conditioning license and 2 other licenses according to the California license board.
Their BuildZoom score of 106 ranks in the top 7% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring G J S Heating & Air Conditioning, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
G J S Heating & Air Conditioning Services
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G J S Heating & Air Conditioning Contact Information
Phone Number: (760) 420-7216
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Address: 1920 WOODLAND PKWY, Escondido, CA 92026
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G J S Heating & Air Conditioning Escondido
Quality
106
93rd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
G J S Heating & Air Conditioning has a BuildZoom score of 106, which places them above 93% of 336,931 contractors in California.
Activity
|
3 projects
|
2025 |
|
3 projects
|
2023 |
Our building permit records indicate that G J S Heating & Air Conditioning has worked on at least
6.0 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
|
3 projects
|
Commercial Renovations |
Analyzing permits over the last 4 years shows that G J S Heating & Air Conditioning mostly works on
commercial renovation
projects.
Pricing
|
2 projects
|
$100k-$250k |
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 G J S Heating & Air Conditioning
This is a sample of this contractor's permits. Click here to access their complete permit history.
Tenant improvement to (e) 800 sf retail space for sugo pizza pick up restaurant to include: waiting area customer serving kitchen & ada restroom. mech: 1 of ea: repair/alt cool/heat exhaust fan. elect: (38) light fixtures (12) outlets (4) switches (1) 200a mpu. plumbing: 1 of ea:
Valuation:
$150,000
Permit #:
BC23-00148
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remodel kitchen and master bathroom; remodel an existing bedroom into master closet; enlarge window and door openings at first floor rear wall including structural alterations; relocate window and door openings at the second story rear wall including structural; frame-in openings and replace windows and doors per plan. 03/15/22 jcr
Valuation:
$55,000
Permit #:
BP-2022-00833
Status:
expired
Fee:
N/A
Permit Type:
Single family res...
Building Type:
N/A
Building - commercial - tenant/landlord improvements with no additions
2023-12-12
Tenant improvement for new italian restaurant trattoria trullo to include convert glass window into new door exit. no structural modifications. all work shall comply with 2022 ca building code's 11/07/23 revision (1): revised service station layout per o.c.h.c.a added pony. keeping original sink
Valuation:
$5,000
Permit #:
BLDC-2023-00076
Status:
complete
Fee:
$407
Permit Type:
N/A
Building Type:
N/A
[eplan] t24 energy only plan check for tenant improvement to existing restaurant. new lighting and power loads. total square footage = 4164 sf
Valuation:
N/A
Permit #:
23041-10000-12100
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
2 new kitchen sinks
Valuation:
N/A
Permit #:
25042-90000-07496
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Install new kitchen bathrooms central bar. run new water waste sewer water lines ventilation and new grease interceptor
Valuation:
N/A
Permit #:
23042-40000-26317
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
2 receptacles
Valuation:
N/A
Permit #:
25041-90000-18125
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Replace fixtures
Valuation:
N/A
Permit #:
25042-90000-02089
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Tenant improvement of existing commercial space including new lights new plugs. plan check is for title 24 part 6 compliance
Valuation:
N/A
Permit #:
20041-10000-41099
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplemental to soft story retrofit permit# 18016-10000-09127. change of footing and drag detail due to exsiting field condition. no change in plot plan
Valuation:
N/A
Permit #:
18016-10002-09127
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
T.i.: remodel (e) resturant pour cement for plumbing. repair dry wall for routh work. paint walls
Valuation:
$3,000
Permit #:
21016-10000-05524
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Install new floor sink 3 comparable sink prep sink hand sink water heater and mop sink
Valuation:
N/A
Permit #:
21042-20000-01902
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Hvac tenant improvement. addition of (3) type 1 hoods and (1) type-2 hood
Valuation:
N/A
Permit #:
22044-10000-14752
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Install new sub panel receptacles decorative and kitchen lighting. *no new lights
Valuation:
N/A
Permit #:
21041-20000-03648
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Tenant improvement for (n) commissary kitchen
Valuation:
N/A
Permit #:
50019-1389
Status:
final
Fee:
N/A
Permit Type:
Alter
Building Type:
N/A
Install new mop sink on 2nd floor connecting to existing drain
Valuation:
N/A
Permit #:
21042-90000-03193
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
4 new water inlets replace old water heater with new
Valuation:
N/A
Permit #:
21042-90000-07045
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Replace bathroom exhaust fan with new exhaust fan
Valuation:
N/A
Permit #:
21044-90000-01623
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
El for tenant improvement existing restaurant adding sushi bar in dining area only. install 2 new equip for sushi bar cashier 3 extra outlets for sushi bar
Valuation:
N/A
Permit #:
1709070032
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install 1 bathroom exhaust fan
Valuation:
N/A
Permit #:
21044-10000-05929
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
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G J S Heating & Air Conditioning Reviews
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Verified License
BuildZoom confirmed this contractor's license
G J S Heating & Air Conditioning License info
Verified License
| License # | 375765 |
| Status | Active |
| State | California |
| Type | Warm Air Heating, Ventilating And Air Conditioning |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for G J S Heating & Air Conditioning at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 978763 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for G J S Heating & Air Conditioning at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 813227 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- According to the California Contractors State License Board, 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 G J S Heating & Air Conditioning at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
106
BuildZoom Score
Bonded
| Bonded Agent | Business Alliance Insurance Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Markel American Insurance Company |
39
Permits
- Building permit records show that G J S Heating & Air Conditioning has worked on 39 permitted projects.
G J S Heating & Air Conditioning Employees
GC
Garry Gordon Carlson
Sole Owner
GS
Greg Joseph Sin
Owner
JS
Janie Marie Sandoval
Officer
JC
John Michael Carlson
Sole Owner