Updated: Jul 03, 2026
Location and Projects
Address
4514 MERCED AVE, Baldwin Park, CA, 91706
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Guanmou Ou Electrician
Guanmou Ou, 4514 Merced Ave, Baldwin Park, CA (Employees: Chi Dat Ly, Davis Huu Chung, and Guanmou Ou) holds a Electrical, General Building license and 1 other license according to the California license board.
Their BuildZoom score of 102 ranks in the top 11% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Guanmou Ou, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Guanmou Ou Contact Information
Phone Number: (626) 390-0383
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Address: 4514 MERCED AVE, Baldwin Park, CA 91706
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Guanmou Ou Baldwin Park
Quality
102
89th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Guanmou Ou has a BuildZoom score of 102, which places them above 89% of 336,931 contractors in California.
Activity
|
3 projects
|
2025 |
|
3 projects
|
2024 |
|
3 projects
|
2023 |
Our building permit records indicate that Guanmou Ou has worked on at least
9.0 projects over the past 3 years.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
Experience
|
4 projects
|
Electrical projects |
Analyzing permits over the last 4 years shows that Guanmou Ou mostly works on
electrical project
projects.
Pricing
|
2 projects
|
< $5k |
|
1 project
|
$5k-$20k |
|
1 project
|
$20k-$50k |
|
1 project
|
$100k-$250k |
|
1 project
|
$250k-$500k |
|
1 project
|
$500k-$1mil |
Pro tip:
For more details about their pricing, check out their recent activity to see how much they have charged for different types of work.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Epc - this project is related to permit com-1912212 (expired). electrical modification of existing electrical distribution to accommodate the electrical load of the first floor space to include 15 rooms for cannabis grow. area of work is 32000 sf
Valuation:
$300,000
Permit #:
COM-2411191
Status:
expired
Fee:
$2,273
Permit Type:
N/A
Building Type:
N/A
Epc - this application for permit is to replace expired permit (com-1912212) and reduced scope of work. construction for this project has been completed. area of work- 32 000 sf. remodel a portion of existing first floor space (15 rooms). work includes electrical plumbing and mechanical will be installation. - plng-insp
Valuation:
$790,000
Permit #:
COM-2417672
Status:
final
Fee:
$19,983
Permit Type:
N/A
Building Type:
N/A
Expedited - epc - work will be a continuation of the tenant improvement of the existing building and continuation of the scope of work under com-1912212. work is for the placement of prefabricated insulated metal panel walls for 4 storage rooms in the first floor space of the building approximately 7886 square feet. work is for the placement of walls only using existing lighting and a... see more
Valuation:
$150,000
Permit #:
COM-2223078
Status:
expired
Fee:
$6,588
Permit Type:
N/A
Building Type:
N/A
Epc - size- 7889 sf. occupancy- f-1. continuation of mechanical electrical and plumbing work related to com-2223078. cycle 1 started under com-2315717 before we advised the applicant that this application will be for a separate permit instead of revision. - plng-insp
Valuation:
$200,000
Permit #:
COM-2327070
Status:
expired
Fee:
$1,635
Permit Type:
N/A
Building Type:
N/A
Epc - this project is for vehicular protection of fuel line and equipment. the review started as a revision (com-2406789) but rather should be a stand-alone permit. size- 1000 sf. this project is related to com-2324002. - plng-insp
Valuation:
$12,000
Permit #:
COM-2407770
Status:
expired
Fee:
$1,727
Permit Type:
N/A
Building Type:
N/A
Epc - the work is a continuation of scope work under com-1912212. placement of a 4 inch gas line from main meter to the rear of the building for power generation. pg&e gas service for the site has been approved and gas service has been installed under encroachment permit. enc22-3108. -
Valuation:
$40,000
Permit #:
COM-2327442
Status:
expired
Fee:
$2,611
Permit Type:
N/A
Building Type:
N/A
Epc - building b - remodel of existing 121, 673 sf 2-story type-iiib warehouse building + associated site work for cannabis cultivation facility b & f-1 occupancies (related to com-1820945 building a) - plng-insp
Valuation:
$7,908,745
Permit #:
COM-1912212
Status:
final
Fee:
$128,367
Permit Type:
N/A
Building Type:
N/A
Epc - building b - revision providing co2 specifications as requested by fire and as missing from issued supp file for com-1912212 (phase 1 scope reduction under com-2112756.)
Valuation:
N/A
Permit #:
COM-2218052
Status:
complete
Fee:
$407
Permit Type:
N/A
Building Type:
N/A
Replace 4 clay pipe with abs 2 bands clay to plaster with
Valuation:
N/A
Permit #:
60025-0107
Status:
final
Fee:
N/A
Permit Type:
Residential
Building Type:
N/A
Epc - size- 1000 sf. placement of 2- 400kw temporary generators for temporary power. project is related to com-1912212 and com-2223078. - plng-insp
Valuation:
$15,000
Permit #:
COM-2324002
Status:
expired
Fee:
$1,637
Permit Type:
N/A
Building Type:
N/A
New addition of 3 studio doors 1 lunge door and 1 entry door. seal part of the wall with wood pile packaged with composite boards and painted
Valuation:
N/A
Permit #:
BLD-2023-01265
Status:
triage
Fee:
$344
Permit Type:
N/A
Building Type:
N/A
(eplan) roof mounted photovoltaic system with battery back up
Valuation:
N/A
Permit #:
00964218-RRA
Status:
triage
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Automated - residential single main panel upgrade (up to 225 amp) & subpanel upgrades
2024-12-09
Electrical panel. same location
Valuation:
$0
Permit #:
ELER-2024-0489
Status:
issued
Fee:
$254
Permit Type:
N/A
Building Type:
N/A
Demolish an un-permitted kitchen and opening of an un-permitted
Valuation:
N/A
Permit #:
50024-0771
Status:
final
Fee:
N/A
Permit Type:
Alter
Building Type:
N/A
Fin poke house first time tenant improvement for new restaurant to include new 258 sq. ft. outdoor dining area (no roof covering flat work & fencing only)
Valuation:
$150,000
Permit #:
COM-1720103
Status:
final
Fee:
$6,771
Permit Type:
N/A
Building Type:
N/A
Miscellaneous electrical plumbing mechanical solar/pv electric vehicle charger generator (not for re
2023-11-02
Installing a new tesla ev charger inside the garage
Valuation:
$500
Permit #:
MISR2023-04735
Status:
triage
Fee:
$255
Permit Type:
N/A
Building Type:
N/A
Pc for t24 only for restuarant tenant improvement. installing new circuits and equipment. b# 17016-10000-26093
Valuation:
N/A
Permit #:
17041-10000-43691
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Expedited - revision to com-1720103 revised post detail at outdoor patio and new 5 wall
Valuation:
N/A
Permit #:
COM-1802129
Status:
complete
Fee:
$234
Permit Type:
N/A
Building Type:
N/A
Epc - building b - revisions to main permit com-1912212 and scope reduction revision com-2112756 - change duct smoke detectors to spot tpe smoke detectors in the cultivation rooms on sheet fa101; changes to existing sequence of operations reflecting the actual scope of work reduction. see attached narrative and attached notice of correction items 1-5 dated 7/28/22
Valuation:
N/A
Permit #:
COM-2216807
Status:
complete
Fee:
$488
Permit Type:
N/A
Building Type:
N/A
Epc - building b - alarm revision for com-1912212 main permit & com-2112756 scope reduction. 1 - changes to duct smoke detectors to spot tpe smoke detectors in the cultivation rooms. this was done utilizing the open air exception to the scope. hvac units are not connected to any ducts. the hvac units are only to move the air in each room. 2 - remove co2 detection system from the fire ... see more
Valuation:
N/A
Permit #:
COM-2214997
Status:
complete
Fee:
$318
Permit Type:
N/A
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Guanmou Ou License info
Verified License
| License # | 1016100 |
| Status | Active |
| State | California |
| Type | Electrical, General Building |
| Business Type | Sole Ownership, Corporation |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Guanmou Ou at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 971654 |
| Status | Inactive |
| State | California |
| Type | Electrical, General Building |
| Business Type | Sole Ownership, Corporation |
- 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 Guanmou Ou at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
102
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
15
Permits
- Building permit records show that Guanmou Ou has worked on 15 permitted projects.
Guanmou Ou Employees
CL
Chi Dat Ly
Officer
DC
Davis Huu Chung
Officer
GO
Guanmou Ou
Rmo / Ceo / Pres
GO
Guanmou Ou
Sole Owner
PC
Phu Van Chung
Officer
TC
Tony Huu Chung
Officer