Updated: Jun 17, 2026
Location and Projects
Address
1335 RAINBOW DR, San Mateo, CA, 94402
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MK Mechanical Co
MK Mechanical Co at 1335 RAINBOW DR, San Mateo, CA 94402, held a HVAC/Mechanical Contractor license (#519706) with the California contractors license board with an expiration date of 06-30-2030. We last verified the license was inactive on 06-16-2026.
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 bidding system to be easily matched to qualified, licensed professionals in your area.
MK Mechanical Co Contact Information
Phone Number: (415) 999-4760
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Address: 1335 RAINBOW DR, San Mateo, CA 94402
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Scope of work: please issue cert of occupancy 1082 sq. ft. restaurant tenant improvement to an existing vacant space as listed: - demolition of exisiting bathtroom mop sink t-bar and cieling floor and wall finishes. - installation of a new kitchen with appliances hood working counters sinks storage area order counter and seating area. - new unisex restroom - new mop sink asso electric... see more
Valuation:
$180,000
Permit #:
2017 042295 CI
Status:
applied
Fee:
N/A
Permit Type:
Restaurant
Building Type:
N/A
23, 742 sq ft retail tenant improvement to restaurnat 1) interior alteration with partion walls for banquet rooms restrooms offices kitchen and store front 2) installation of walk in coolers freezers live fish tank hoods and cooking equipment 3) electrical alteration for new floor plan 4) addition of roof top equipment for kitchen and restrooms
Valuation:
N/A
Permit #:
2019 141847 CI
Status:
filed
Fee:
N/A
Permit Type:
Restaurant
Building Type:
N/A
Scope of work: 1. addition 455 sf habitable area for classroom. 2. provide new toilets for children. 3. construct new interior wall partitions. 4. addition 62 sf for entry. 5. all associated electrical mechanical and plumbing work. 6. improve site development plan to provide landscaping ada parking trash enclosure driveway play area
Valuation:
$350,000
Permit #:
2016 123628 CI
Status:
issued
Fee:
N/A
Permit Type:
School/daycare
Building Type:
N/A
Scope: 5, 555 sq.ft. new araujo's el paisa restaurant @ the platform block 9 & 10 (finish interior) 5, 555 sq.ft. tenant improvement of (e) ground floor vacant restaurant space for a (n) 1st tenant araujo's el paisa mexican grill restaurant. ** issue certificate of occupancy** 1st tenan - assigned suite 10 to araujo's el paisa restaurant - 1) remove (e) demising wall between (plans sh... see more
Valuation:
$670,147
Permit #:
2020 138734 CI
Status:
filed
Fee:
N/A
Permit Type:
Restaurant
Building Type:
N/A
Addition family room and bathroom. includes plumbing and electrical and mechanical. 04-22-91 slg resubmittal relocate family room and addition master bed room. delete bedroom 3. revision - 07/18/91 - jpb - reduce size of addition from 535 sq ft to 495 sq ft - addition one door to master bebroom - change foundatons to l type
Valuation:
$537
Permit #:
BLD91-0058
Status:
final
Fee:
$1,108
Permit Type:
N/A
Building Type:
N/A
New first time tenent; burnt rice. tenant space of 1671 sq ft to include; new partition walls to create ada compliant restrooms dining area service counter kitchen with prep sinks ranges walk in freezer
Valuation:
$155,600
Permit #:
2012 012798 CI
Status:
complete
Fee:
N/A
Permit Type:
Restaurant
Building Type:
N/A
Restaurant tenant improvement (6223 sq.ft) to expand (e) restaurant into 2nd floor area. addition associated electric plumbing and mechanical
Valuation:
N/A
Permit #:
2018 147783 CI
Status:
filed
Fee:
N/A
Permit Type:
Restaurant
Building Type:
N/A
Install fire sprinklers in single family residence revision #1 mjp 1/11/01 - as builts
Valuation:
$5,000
Permit #:
PLM1999-00486
Status:
final
Fee:
$243
Permit Type:
N/A
Building Type:
N/A
Install fire sprinklers in single family residence
Valuation:
$5,000
Permit #:
PLM2000-00417
Status:
final
Fee:
$543
Permit Type:
N/A
Building Type:
N/A
Install fire sprinklers in single family residence
Valuation:
N/A
Permit #:
PLM98-0080
Status:
canceled
Fee:
$229
Permit Type:
N/A
Building Type:
N/A
Install fire sprinklers in single family residence
Valuation:
N/A
Permit #:
PLM98-0082
Status:
final
Fee:
$154
Permit Type:
N/A
Building Type:
N/A
Installation of 2 roof top air conditioning units with all new mechanical ducts
Valuation:
$16,000
Permit #:
2002 047366 CI
Status:
Finaled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Scope of work 1952 sq/ft commercial tenant improvement. new nail salon. demolish existing mill work new non structural partitions 2 new accessible bathrooms new breakroom with sink refer washer dryer 3 new waxing rooms 12 pedicure stations with large pedicure chairs. chairs require electrical and plumbing
Valuation:
$150,000
Permit #:
2017 034138 CI
Status:
expired
Fee:
N/A
Permit Type:
Retail
Building Type:
N/A
1114 sq ft restaurant finish interior 1) new kitchen 2) new interior floor plan 3) new restroom
Valuation:
$70,000
Permit #:
2017 007264 CI
Status:
expired
Fee:
N/A
Permit Type:
Restaurant
Building Type:
N/A
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MK Mechanical Co License info
Inactive License
| License # | 519706 |
| Status | Inactive |
| State | California |
| Type | Fire Protection, Warm Air Heating, Ventilating And Air Conditioning, Plumbing, 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 MK Mechanical Co 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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- *No active license on file. If you are MK Mechanical Co, click “This is My Business” to update your information.
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $12,500 |
13
Permits
- Building permit records show that MK Mechanical Co has worked on 13 permitted projects.
MK Mechanical Co Employees
MK
Moon Hyung Kang
Sole Owner