Updated: Jun 02, 2026
Location and Projects
Address
9110 FOSTER LN, Chatsworth, CA, 91311
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Cal Tech Construction
Cal Tech Construction, 9110 Foster Ln, Chatsworth, CA (Owned by: Chong Min Yi) holds a General Building, Electrical license and 4 other licenses according to the California license board.
Their BuildZoom score of 92 ranks in the top 32% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Cal Tech Construction, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Cal Tech Construction Services
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Cal Tech Construction Contact Information
Phone Number: (805) 914-3080
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Address: 9110 FOSTER LN, Chatsworth, CA 91311
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Building Permits by Cal Tech Construction
This is a sample of this contractor's permits. Click here to access their complete permit history.
Replace drywall/plaster (patch and paint). non-structural repair only. interior kitchen remodel/repair (no changes in walls or openings). interior bathroom remodel/repair (no changes in walls or openings)
Valuation:
$13,040
Permit #:
17016-90000-35088
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Upgrade electric panel to 100 amps
Valuation:
N/A
Permit #:
18041-90000-00705
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Install 4 can lights in kitchen
Valuation:
N/A
Permit #:
17041-90000-42601
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Relocate water heater
Valuation:
N/A
Permit #:
17042-90000-29241
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Convert portion of (e) patio cover to bedroom ; addition and remove non-bearing walls to create (n) bedrooms (n) windowss for emergency egress within existing windows opening. (no change in parking)
Valuation:
$10,000
Permit #:
13014-10000-05193
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Kitchen/bathroom remodel for residential buildings (no structural changes). valuation to be verified by the field inspector
Valuation:
N/A
Permit #:
11016-20000-19499
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Suppl. permit to permit #09041-10000-24600 for change of address from 1504 s st. andrews pl unit #1 & 3 to 3026 w. 15th st. #1 & #3 (no change in legal description)
Valuation:
N/A
Permit #:
09041-10001-24600
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
200 amp service upgrade
Valuation:
N/A
Permit #:
18041-20000-06939
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Convert portion of (e) patio cover to bedroom ; addition and remove non-bea
Valuation:
$10,000
Permit #:
13014-10000-05193
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Install water heater 1 - 3 comparable sink 1 - mop sink 1 - hand sink 1 fd 1 fs; permit 2 of 2; reference 03041-10000-02818
Valuation:
N/A
Permit #:
03042-10000-04197
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Convert (e) retail space to market. (pre-packaged food only) (n) storefront and equipment. (152 sf)
Valuation:
N/A
Permit #:
03016-10000-02485
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Install water heater power+ 3 of elect outlets; permit 1 of 2; reference 03042-10000-04197
Valuation:
N/A
Permit #:
03041-10000-02818
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Upgrade and relocate service
Valuation:
N/A
Permit #:
11041-20000-20616
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Combine (2) 30amp circuits at (1) 60amp main circuit breaker to use (1) meter
Valuation:
N/A
Permit #:
10041-10000-11734
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Install (4 or 5) down ltg fixture on sofit. 2 of 2 w # 04042-10000-07268
Valuation:
N/A
Permit #:
04041-10000-05932
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Install (1) hand sink on top of sushi bar. 1 of 2 w # 04041-10000-05932
Valuation:
N/A
Permit #:
04042-10000-07268
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Single family residence
Valuation:
$163,630
Permit #:
B200709492
Status:
EXPIRED
Fee:
$2,336
Permit Type:
N/A
Building Type:
N/A
Single family residence
Valuation:
$166,770
Permit #:
B200709493
Status:
EXPIRED
Fee:
$2,377
Permit Type:
N/A
Building Type:
N/A
Single family residence
Valuation:
$163,630
Permit #:
B200709482
Status:
EXPIRED
Fee:
$2,336
Permit Type:
N/A
Building Type:
N/A
Single family residence
Valuation:
$166,770
Permit #:
B200704147
Status:
FINAL
Fee:
$10,563
Permit Type:
N/A
Building Type:
N/A
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Cal Tech Construction Reviews
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Verified License
BuildZoom confirmed this contractor's license
Cal Tech Construction License info
Verified License
| License # | 792933 |
| Status | Active |
| State | California |
| Type | General Building, Electrical |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Cal Tech Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 792933 |
| Status | Active |
| State | California |
| Type | Electrical, General Building Contractor |
| Business Type | Sole Ownership |
- When BuildZoom last verified this license, it had an expiration date of March, 2017. Check the current license status of Cal Tech Construction with the California Contractors State License Board
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 282431 |
| Status | Inactive |
| State | California |
| Type | Electrical |
| 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 Cal Tech Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 469876 |
| 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 Cal Tech Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 453499 |
| 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 Cal Tech Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
92
BuildZoom Score
Bonded
| Bonded Agent | Suretec Indemnity Company |
| Bond Value | $12,500 |
29
Permits
- Building permit records show that Cal Tech Construction has worked on 29 permitted projects.
Cal Tech Construction Employees
CD
Carol Clark Downs
Rmo/Ceo/Pres
CY
Chong Min Yi
Owner
DD
David Reedie Downs
Officer
MW
Michael Jeffrey Walker
Sole Owner