Updated: May 28, 2026
Location and Projects
Address
133 MERCY ST, Mountain View, CA, 94041
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Echelon Construction
Echelon Construction, 133 Mercy St, Mountain View, CA (Owned by: Sung Ho Yi) holds a General Building license 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 Echelon Construction, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Echelon Construction Services
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Echelon Construction Contact Information
Phone Number: (408) 515-9980
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Address: 133 MERCY ST, Mountain View, CA 94041
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This is a sample of this contractor's permits. Click here to access their complete permit history.
2 hour investigation fee for work done w/o permits
Valuation:
N/A
Permit #:
INVS18-011
Status:
issued
Fee:
N/A
Permit Type:
Residential
Building Type:
N/A
Street closure street closure on sunday september 16th 2012 from 8am to 5pm; secure and create a course for cyclist participating in charitable fundraising event on the following county roads: sand hill rd kings mountain rd old la honda rd pesacdero rd stage rd cloverdale rd gazos creek rd bean hallow rd and tunitas creek rd. the permitee must abide by all the conditions listed in the... see more
Valuation:
$0
Permit #:
DPW2012-00414
Status:
Finaled
Fee:
$109
Permit Type:
N/A
Building Type:
N/A
Bike race bike race on saturday september 17th 2011 from 8am to 6pm; secure and create a course for cyclist participating in charitable fundraising event on the following county roads: sand hill rd kings mountain rd old la honda rd pesacdero rd stage rd cloverdale rd gazos creek rd bean hallow rd and tunitas creek rd. the permitee must abide by all the conditions listed in the street ... see more
Valuation:
$0
Permit #:
DPW2011-00419
Status:
Finaled
Fee:
$106
Permit Type:
N/A
Building Type:
N/A
Interior improvement to addition beauty salon in portion of existing retail space (n) rooftop hvac unit
Valuation:
$40,000
Permit #:
BLD2014-36683
Status:
final
Fee:
$1,460
Permit Type:
N/A
Building Type:
N/A
Temp power pole
Valuation:
N/A
Permit #:
17041-10000-14880
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Addition 496 sq ft consists of master bedroom & bathroom. mf=7
Valuation:
$60,000
Permit #:
BLD2013-32563
Status:
final
Fee:
$1,670
Permit Type:
N/A
Building Type:
N/A
Replace master bathroom shower stall walls & pan
Valuation:
$0
Permit #:
201603341
Status:
COMPLETED
Fee:
$236
Permit Type:
N/A
Building Type:
N/A
Repair wall damages next to office due to car accident
Valuation:
N/A
Permit #:
BXX2000071
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace master bathroom shower stall walls & pan
Valuation:
$2,500
Permit #:
201603341
Status:
complete
Fee:
$236
Permit Type:
Remodel - minor b...
Building Type:
N/A
Replace shower sinks and toilet
Valuation:
N/A
Permit #:
18042-10000-19406
Status:
expired
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Upgrade panel to 2gang 200amp panel
Valuation:
N/A
Permit #:
18041-10000-30723
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
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Echelon Construction License info
Verified License
| License # | 977096 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Echelon 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 | Hudson Insurance Company |
| Bond Value | $15,000 |
8
Permits
- Building permit records show that Echelon Construction has worked on 8 permitted projects.
Echelon Construction Employees
SY
Sung Ho Yi
Owner