Updated: Jul 02, 2026
Location and Projects
Address
2136 STEWART AVE, Walnut Creek, CA, 94596
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AIR - CON MECHANICAL SERVICES INC
AIR - CON MECHANICAL SERVICES INC, 2136 Stewart Ave, Walnut Creek, CA (Employees: Carmen Renee Siems Condon and Joseph Carl Condon) holds a Electrical, Warm Air Heating, Ventilating And Air Conditioning, Plumbing license according to the California license board.
Their BuildZoom score of 95 ranks in the top 22% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring AIR - CON MECHANICAL SERVICES INC, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
AIR - CON MECHANICAL SERVICES INC Services
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AIR - CON MECHANICAL SERVICES INC Contact Information
Phone Number: (925) 279-3330
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Address: 2136 STEWART AVE, Walnut Creek, CA 94596
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AIR - CON MECHANICAL SERVICES INC Walnut Creek
Quality
95
78th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
AIR - CON MECHANICAL SERVICES INC has a BuildZoom score of 95, which places them above 78% of 336,931 contractors in California.
Activity
|
1 project
|
2025 |
Our building permit records indicate that AIR - CON MECHANICAL SERVICES INC has worked on at least
1.0 project over the past year.
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.
Pricing
|
1 project
|
$5k-$20k |
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 AIR - CON MECHANICAL SERVICES INC
This is a sample of this contractor's permits. Click here to access their complete permit history.
Install new gas line to new water heaters part of prod line
Valuation:
$12,200
Permit #:
BLD24-00544
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Renovation for hvac only for office space into classrooms and conference rooms for "international education center." a new 12 1/2 ton cooling only vav unit is being added to suite 210a to supplement cooling for the new renovation. for suite 210b, a vrv sstem with two fan coil units and one condensing unit.
Valuation:
$120,000
Permit #:
B160159
Status:
Issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Renovation for hvac only for office space into classrooms and conference rooms for "international education center." a new 12 1/2 ton cooling only vav unit is being added to suite 210a to supplement cooling for the new renovation. for suite 210b, a vrv sstem with two fan coil units and one condensing unit.
Valuation:
$120,000
Permit #:
B160159
Status:
final
Fee:
$2,317
Permit Type:
N/A
Building Type:
N/A
2 theater square #152 - installation of new gas meter for shelby's cafe and shut-off valve. all piping is at the meter. no loads being added or removed
Valuation:
N/A
Permit #:
BIMUC21-001248
Status:
final
Fee:
$255
Permit Type:
N/A
Building Type:
N/A
Install hvac at ground floor level. install 2 bathrooms plumbing. install 1 kitchen sink plumbing. ref pa# 2013-0212-0021
Valuation:
$15,000
Permit #:
201306149615
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Relocate piping to lavatories for ada clearance. replace carrier for 1 bowl to allow ada clearance. connect to piping
Valuation:
N/A
Permit #:
PP20130111354
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Relocate piping to lavatories for ada clearance. replace carrier for 1 bowl to allow ada clearance. connect to piping
Valuation:
$0
Permit #:
PP20130111354
Status:
ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install hvac at ground floor level. install 2 bathrooms plumbing. install 1 kitchen sink plumbing. ref pa# 2013-0212-0021
Valuation:
$15,000
Permit #:
201306149615
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Add new electrical panel and wiring for suite h.
Valuation:
$5,000
Permit #:
B151048
Status:
Issued
Fee:
$149
Permit Type:
N/A
Building Type:
N/A
Relocate (e) piping to lavatories for ada clearance. replace (e) carrier for 1 bowl to allow ada clearance. connected to (e) piping
Valuation:
$0
Permit #:
PP20110928322
Status:
ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
For units l & m - 2 meters: install new 2-1/2in gas line each from meter to unit-test & pt. ok per jb
Valuation:
N/A
Permit #:
PP20130417038
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
For units l & m - 2 meters: install new 2-1/2in gas line each from meter to unit-test & pt. ok per jb
Valuation:
$0
Permit #:
PP20130417038
Status:
ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Address correction pp20131226954: suite e. 1x ok per mm
Valuation:
N/A
Permit #:
PP20140409786
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work in suite d install new gas line bid pa # 201312204694
Valuation:
N/A
Permit #:
PP20131226954
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Address correction pp20131226954: suite e. 1x ok per mm
Valuation:
$0
Permit #:
PP20140409786
Status:
COMPLETE
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work in suite d install new gas line bid pa # 201312204694
Valuation:
$0
Permit #:
PP20131226954
Status:
COMPLETE
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Relocate (e) piping to lavatories for ada clearance. replace (e) carrier for 1 bowl to allow ada clearance. connected to (e) piping
Valuation:
N/A
Permit #:
PP20110928322
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Add new electrical panel and wiring for suite h.
addendum on 4/20/15: pressure test for an existing gas line
Valuation:
$5,000
Permit #:
B151048
Status:
final
Fee:
$275
Permit Type:
N/A
Building Type:
N/A
Relocate piping to lavatories for ada clearance. replace carrier for 1 bowl to allow ada clearance. connect to piping
Valuation:
N/A
Permit #:
PP20130111354
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
2-bathrooms women/men added to existing space.
Valuation:
$43,000
Permit #:
B2014-03985
Status:
Closed Complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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AIR - CON MECHANICAL SERVICES INC Reviews
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Verified License
BuildZoom confirmed this contractor's license
AIR - CON MECHANICAL SERVICES INC License info
Verified License
| License # | 636428 |
| Status | Active |
| State | California |
| Type | Electrical, Warm Air Heating, Ventilating And Air Conditioning, Plumbing |
| Business Type | Corporation |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for AIR - CON MECHANICAL SERVICES INC at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
95
BuildZoom Score
Bonded
| Bonded Agent | Suretec Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Security National Insurance Company |
32
Permits
- Building permit records show that AIR - CON MECHANICAL SERVICES INC has worked on 32 permitted projects.
AIR - CON MECHANICAL SERVICES INC Employees
CC
Carmen Renee Siems Condon
Officer
JC
Joseph Carl Condon
Rmo / Ceo / Pres