Updated: May 11, 2026
Location and Projects
Address
4835 MAMMOUTH LANE, Oakley, CA, 94561
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Totally Cool Ac Service HVAC/Mechanical Contractor
Totally Cool Ac Service at 4835 MAMMOUTH LANE, Oakley, CA 94561, held a HVAC/Mechanical Contractor license (#808978) with the California contractors license board with an expiration date of 06-30-2008. We last verified the license was expired on 05-10-2026.
Their BuildZoom score is 0 because we haven’t been able to verify an active license. As a result, they’re not ranked in the top 50% of 336,931 California contractors.
If you’re thinking about hiring them, we recommend double-checking their license status with your local licensing authority. Alternatively, use our project planner to be easily matched to qualified, licensed professionals in your area.
Totally Cool Ac Service Contact Information
Phone Number: (925) 691-1775
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Address: 4835 MAMMOUTH LANE, Oakley, CA 94561
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Building Permits by Totally Cool Ac Service
This is a sample of this contractor's permits. Click here to access their complete permit history.
Replace furnace in same location and addition air conditioner & circuit for air conditioning per contractor. **** climate zone-12 --- hers verification of duct sealing required per title-24 ****
Valuation:
N/A
Permit #:
BI398740
Status:
final
Fee:
$156
Permit Type:
N/A
Building Type:
N/A
New fau with air conditioning & duct work. 100 btu. exterior air conditioning pump with one circuit. 2nd unit = space heater 125 btu
Valuation:
N/A
Permit #:
BLD2005-03993
Status:
FINALED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Hvac remove & replace heat pump units on roof with gas electric heating & cooling units
Valuation:
N/A
Permit #:
M0500318
Status:
FINAL
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remove & replace heat pump units on roof with gas electric heating & cooling units
Valuation:
N/A
Permit #:
M0500318
Status:
final
Fee:
$347
Permit Type:
N/A
Building Type:
N/A
Remove wall heaters. install new fau 80k btu and new air conditioning with one circuit
Valuation:
N/A
Permit #:
BLD2005-03994
Status:
FINALED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remove existing furnace and replace. addition air conditioning unit in closet
Valuation:
N/A
Permit #:
F040168
Status:
final
Fee:
$278
Permit Type:
Asfr
Building Type:
N/A
Residential mechanical-electrical-plumbing combo
2006-05-22
Replace furnace 90+% and install new air conditioning unit 16 seer
Valuation:
N/A
Permit #:
BI383417
Status:
final
Fee:
$218
Permit Type:
N/A
Building Type:
N/A
Replace air conditioning 13 seer 2 1/2 ton units air conditioning
Valuation:
$12,000
Permit #:
BP07000352
Status:
final
Fee:
$179
Permit Type:
N/A
Building Type:
N/A
Split air conditioning start up
Valuation:
$20,000
Permit #:
BP04002083
Status:
final
Fee:
$307
Permit Type:
N/A
Building Type:
N/A
Replace furnaces and a/c's
Valuation:
N/A
Permit #:
BI375909
Status:
final
Fee:
$109
Permit Type:
N/A
Building Type:
N/A
Replace gas furnace & air conditioning
Valuation:
$3,000
Permit #:
BP04003006
Status:
final
Fee:
$74
Permit Type:
N/A
Building Type:
N/A
Replace furnace & addition air conditioning
Valuation:
$3,800
Permit #:
BP05001741
Status:
final
Fee:
$147
Permit Type:
N/A
Building Type:
N/A
Hvac remove existing furnace and replace. addition air conditioning unit in closet
Valuation:
N/A
Permit #:
F040168
Status:
FINALED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Totally Cool Ac Service License info
Inactive License
| License # | 808978 |
| Status | Inactive |
| State | California |
| Type | Warm Air Heating, Ventilating And Air Conditioning |
| 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 Totally Cool Ac Service at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
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BuildZoom Score
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- *No active license on file. If you are Totally Cool Ac Service, click “This is My Business” to update your information.
Bonded
| Bonded Agent | Surety Company Of The Pacific |
| Bond Value | $12,500 |
10
Permits
- Building permit records show that Totally Cool Ac Service has worked on 10 permitted projects.
Totally Cool Ac Service Employees
TC
Thomas Michael Carmody
Sole Owner