Updated: Mar 29, 2026
Location and Projects
Address
6010 AVENORRA DR, La Mesa, CA, 91942
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Kenneth Michael Cortez Sr Construction
Kenneth Michael Cortez Sr, 6010 Avenorra Dr, La Mesa, CA (Employee: Joan Warriner Cortez) holds a General Building, Plumbing, Prefabricated Equipment license and 2 other licenses according to the California license board.
Their BuildZoom score of 86 does not rank in the top 50% of California contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Kenneth Michael Cortez Sr, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Kenneth Michael Cortez Sr Services
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Kenneth Michael Cortez Sr Contact Information
Phone Number: (619) 467-7562
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Address: 6010 AVENORRA DR, La Mesa, CA 91942
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Kenneth Michael Cortez Sr Reviews
1 out of 5 stars, based on
1
review
-
By ChrisDecember 2, 2019Install 3 new toilets.$600
Building Permits by Kenneth Michael Cortez Sr
This is a sample of this contractor's permits. Click here to access their complete permit history.
C/o existing water heater 50 gal like for like same location in garage
Valuation:
$600
Permit #:
PMT20-10088
Status:
issued
Fee:
$171
Permit Type:
Residential plumbing
Building Type:
N/A
Replace 50 gal water heater same size and location in garage)
Valuation:
$600
Permit #:
PMT20-10050
Status:
issued
Fee:
$171
Permit Type:
Residential plumbing
Building Type:
N/A
Water heater 40 gallon change out same location in garage
Valuation:
N/A
Permit #:
B19-000864
Status:
complete
Fee:
$191
Permit Type:
N/A
Building Type:
N/A
Change out 50 gal. water heater same location
Valuation:
$600
Permit #:
PMT20-10187
Status:
issued
Fee:
$171
Permit Type:
Residential mecha...
Building Type:
N/A
C/o 50 gal water heater same size and location
Valuation:
$600
Permit #:
PMT19-11497
Status:
final
Fee:
$171
Permit Type:
Residential alter...
Building Type:
N/A
Water heater changeout 50 gal in garage
Valuation:
N/A
Permit #:
B20-001040
Status:
issued
Fee:
$191
Permit Type:
N/A
Building Type:
N/A
Water heater changeout 50 gal in garage
Valuation:
N/A
Permit #:
B20-001039
Status:
issued
Fee:
$191
Permit Type:
N/A
Building Type:
N/A
Water heater changeout 50 gal in garage
Valuation:
N/A
Permit #:
B20-001038
Status:
issued
Fee:
$191
Permit Type:
N/A
Building Type:
N/A
Water heater changeout 40 gal in garage
Valuation:
N/A
Permit #:
B20-001037
Status:
issued
Fee:
$191
Permit Type:
N/A
Building Type:
N/A
Water heater changeout 40 gal in garage
Valuation:
N/A
Permit #:
B20-001036
Status:
issued
Fee:
$191
Permit Type:
N/A
Building Type:
N/A
Water heater - change out 50 gallon
Valuation:
$500
Permit #:
PMT20-10148
Status:
issued
Fee:
$171
Permit Type:
Residential plumbing
Building Type:
N/A
Water heater - change out 50 gallon
Valuation:
$500
Permit #:
PMT20-10146
Status:
final
Fee:
$171
Permit Type:
Residential plumbing
Building Type:
N/A
Replace 40 gal water heater in garage
Valuation:
N/A
Permit #:
B19-000539
Status:
complete
Fee:
$190
Permit Type:
N/A
Building Type:
N/A
Replace 40gal water heater in garage
Valuation:
N/A
Permit #:
B20-000259
Status:
issued
Fee:
$191
Permit Type:
N/A
Building Type:
N/A
C/o water heater same location
Valuation:
$500
Permit #:
PMT20-10789
Status:
issued
Fee:
$171
Permit Type:
Residential plumbing
Building Type:
N/A
Water heater - 50 gallon
Valuation:
$500
Permit #:
PMT19-11005
Status:
final
Fee:
$171
Permit Type:
Residential plumbing
Building Type:
N/A
Replace 50 gal water heater
Valuation:
N/A
Permit #:
B20-000230
Status:
complete
Fee:
$191
Permit Type:
N/A
Building Type:
N/A
Water heater - change out 50 gallon same loc
Valuation:
$500
Permit #:
PMT19-11344
Status:
issued
Fee:
$171
Permit Type:
Residential plumbing
Building Type:
N/A
Plumbing - water heater 50 gallon in garage
Valuation:
$500
Permit #:
PMT18-11311
Status:
final
Fee:
$171
Permit Type:
Residential plumbing
Building Type:
N/A
Changeout water heater
Valuation:
$1,500
Permit #:
PP-2020-00924
Status:
complete
Fee:
N/A
Permit Type:
Replace
Building Type:
N/A
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Recent Buildzoom Projects
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Verified License
BuildZoom confirmed this contractor's license
Kenneth Michael Cortez Sr License info
Verified License
| License # | 651042 |
| Status | Active |
| State | California |
| Type | General Building, Plumbing, Prefabricated Equipment |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Kenneth Michael Cortez Sr at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | NAT-95224-3 |
| Status | Inactive |
| Nation | Environmental Protection Agency |
| Type | Renovation |
| Business Type | Sole Ownership |
- According to the United States Environmental Protection Agency, 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 Kenneth Michael Cortez Sr at the United States Environmental Protection Agency.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | NAT-95224-2 |
| Status | Inactive |
| Nation | Environmental Protection Agency |
| Type | Renovation |
| Business Type | Sole Ownership |
- According to the United States Environmental Protection Agency, 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 Kenneth Michael Cortez Sr at the United States Environmental Protection Agency.
This is a sample of licensing data; click here to access a complete history.
86
BuildZoom Score
Insured
| Insurer | Spinnaker Insurance Company |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Republic Underwriters Insurance Company |
1.5K
Permits
- Building permit records show that Kenneth Michael Cortez Sr has worked on 1516 permitted projects.
Kenneth Michael Cortez Sr Employees
JC
Joan Warriner Cortez
Manager
KS
Kenneth Michael Cortez Sr
Owner
Ken Cortez installed 3 brand new toilets and all of them were not installed properly. All 3 had issues with the wax ring and caused tens of thousands of dollars of damage with sewage water leaking throughout the house. Ask him about it and he will hang up on you.