Updated: Jun 03, 2026
Location and Projects
Headquarters Address
P O BOX 1198, Chiloquin, OR, 97627
Local address
2731 BARLOW DR, Castro Valley, CA, 94546
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Oak Mechanical
Oak Mechanical at 2731 BARLOW DR, Castro Valley, CA 94546, held a HVAC/Mechanical Contractor license (#592749) with the California contractors license board with an expiration date of 04-30-2010. We last verified the license was expired on 06-02-2026.
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.
Oak Mechanical Contact Information
Phone Number: (415) 538-9226
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Headquarters Address: P O BOX 1198, Chiloquin, OR, 97627
Local Address: 2731 BARLOW DR, Castro Valley, CA 94546
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Install 1 1/2 ton air conditioning unit in second room - amendment to permit no. 602543
Valuation:
N/A
Permit #:
404709
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Instaallation of heating system ductwork furnace and flue fire damage
Valuation:
N/A
Permit #:
310674
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Hvac including fc unit duct and associated electrical & piping
Valuation:
$7,500
Permit #:
200201146884
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
15 - retail sales
Replace existing floor furnace with a new wall furnace
Valuation:
$0
Permit #:
M9300219
Status:
Final
Fee:
$66
Permit Type:
N/A
Building Type:
N/A
Installing two heating systems complete with ductwork, etc
Valuation:
$0
Permit #:
M9200773
Status:
Final
Fee:
$137
Permit Type:
N/A
Building Type:
N/A
Run drain to sink - building appl no. 200201146884
Valuation:
N/A
Permit #:
423152
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Installation of earthquake valves (gas)
Valuation:
N/A
Permit #:
452796
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replacement of old boiler
Valuation:
N/A
Permit #:
457583
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Mechanical condenser water
Valuation:
N/A
Permit #:
425517
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace furnace/ac
Valuation:
$9,000
Permit #:
BP04001537
Status:
final
Fee:
$319
Permit Type:
N/A
Building Type:
N/A
Replacing dryer vent
Valuation:
N/A
Permit #:
426912
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Furnace replacement
Valuation:
$0
Permit #:
BH93000263
Status:
Finaled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Mechanical/sfd
Valuation:
$0
Permit #:
C9301887
Status:
Final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
In phone equipment room remove existing cooling equipment & replace with new. install 3 new cooling
Valuation:
$175,000
Permit #:
200105179468
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
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Oak Mechanical License info
Inactive License
| License # | 592749 |
| Status | Inactive |
| State | California |
| Type | Warm Air Heating, Ventilating And Air Conditioning, Electrical, Boiler, Hot Water Heating And Steam Fitting |
| 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 Oak Mechanical at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 473475 |
| 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 Oak Mechanical at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 349347 |
| 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 Oak Mechanical at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
ALERT*
BuildZoom Score
- How the BuildZoom Score works
- *No active license on file. If you are Oak Mechanical, click “This is My Business” to update your information.
Bonded
| Bonded Agent | This License Filed A Contractor's Bond With |
| Bond Value | $5,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
12
Permits
- Building permit records show that Oak Mechanical has worked on 12 permitted projects.
Oak Mechanical Employees
RJ
Robert David Johnson
Sole Owner
SV
Sherry Lynn Valentine
Officer
VJ
Vera Louise Johnson
Officer