Updated: Apr 16, 2026
Location and Projects
Address
358 ACASO DRIVE, Walnut, CA, 91789
Use our bidding system to
request a quote
Concord Construction
Concord, 358 Acaso Dr, Walnut, CA (Employees: Fabio Wan Wong, Jack Ng, and Jack Ng) holds a General Building license and 1 other 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 Concord, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Concord Services
Start a project today:
Concord Contact Information
Phone Number: (626) 993-5562
Edit
Address: 358 ACASO DRIVE, Walnut, CA 91789
Edit
Do you work for this business? Unlock this free profile to update company info and see who's viewing your profile.
This is a sample of this contractor's permits. Click here to access their complete permit history.
3, 040 sqft of retaining walls(site) 61 piles 41 conc.grade beams and driveway
Valuation:
$850,000
Permit #:
1801220006
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
New single family residence with attached garage and patio cover
Valuation:
$2,300,000
Permit #:
1801220005
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Permit unpermitted 665 s.f. family room at rear of exist residence and replace exist covered patio cover 154 s.f. at rear of property remove attached carport
Valuation:
$92,300
Permit #:
1503120035
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Construct a new 2nd unit 1100 s.f. with an attached two car garage 537 s.f. and 190 s.f. trellis
Valuation:
$187,000
Permit #:
1406120040
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Building Permit
5039 Florinda Av, CA
2016-09-21
New 400amp service w/2-gang 200amp meters located on 5041 florinda
Valuation:
$0
Permit #:
1609210036
Status:
N/A
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
New pool on 8 caissons
Valuation:
$110,000
Permit #:
1801220001
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Building Permit
5039 Florinda Av, CA
2016-03-08
Electrical for new 2nd unit 1100 sf
Valuation:
$0
Permit #:
1603080038
Status:
N/A
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Building Permit
5039 Florinda Av, CA
2016-03-08
Mechanical for new 2nd unit 1100 sf
Valuation:
$0
Permit #:
1603080018
Status:
N/A
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Commercial tenant improvement pc extended - 10, 5, 5, 5
2013-11-07
Office/showroom tenant improvement tenant: leight usa
Valuation:
N/A
Permit #:
00581283-CTTI
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
(1) non-illuminated wall sign tenant: poster garden
Valuation:
N/A
Permit #:
00502338-CSP
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
$0
Permit #:
BUS1998-006044
Status:
Finaled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Similar Contractors See more
177
BZ Score
$10K
Avg Project
-
Projects
212
BZ Score
$40K
Avg Project
-
Projects
191
BZ Score
$27.9K
Avg Project
-
Projects
Concord Reviews
BuildZoom hasn't received any reviews for Concord. Click here to be alerted when reviews are posted about them.
Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Concord License info
Verified License
| License # | 998809 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Concord at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 995408 |
| 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 Concord 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 | American Contractors Indemnity Company |
| Bond Value | $12,500 |
Concord Employees
FW
Fabio Wan Wong
CEO / PRESIDENT
JN
Jack Ng
Sole Owner
JN
Jack Ng
Rmo