Updated: Dec 24, 2025
Location and Projects
Address
Los Angeles, CA, 90005
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Chang, Dukwon Plumber
Chang, Dukwon, holds a license according to the California license board.
Their BuildZoom score of 0 does not rank in the top 50% of California contractors.
BuildZoom has not verified this license since its expiration date. If you are thinking of hiring Chang, Dukwon, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
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Chang, Dukwon Contact Information
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Revision to previously apporved plans under 25042-10000-03207. plumbing tenant improvement. adding the waste and vent system as part of plan check
Valuation:
N/A
Permit #:
25042-10001-03207
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Plumbing tenant improvement. includes potable water waste&vent and low pressure gas systems. (e) 2 water meter (n) 2 1/2 rp bacfklow preventer
Valuation:
N/A
Permit #:
24042-10000-14527
Status:
issued
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Plumbing tenant improvement. potable water only. existing 1 1/2 water meter existing 2 backflow preventer
Valuation:
N/A
Permit #:
25042-10000-03207
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Ti: install plumbing fixtures in additional area of office building. existing 1 1/2 meter existing 2 prv
Valuation:
N/A
Permit #:
23042-20000-20742
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Revision to previously approved plans. addition and removal of fixtures
Valuation:
N/A
Permit #:
24042-10001-08553
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Revision to previously approved plans. addition of a duplex booster pump ( system #2) to serve part of the building addition of fixtures revise hydraulic calculations and revise potable water riser diagram. 4 water meter and 4 rp backflow device
Valuation:
N/A
Permit #:
21042-10000-03265
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Installation of duplex sewage ejector system
Valuation:
N/A
Permit #:
25042-10000-14756
Status:
plancheck
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Revision to approved set of plans. relocate fixtures. no changes to hydraulic sizing
Valuation:
N/A
Permit #:
24042-10001-19081
Status:
approved
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Potable water repipe. (e) 1 domestic water meter. partial permit fees under 25042-10000-01155 25042-10001-01155 25042-10002-01155
Valuation:
N/A
Permit #:
25042-10000-12186
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Ti: potable water waste & vent and gas systems. existing 1 water meter. comply with department order effective date 01/13/2023. permit will expire 30 days from issuance date
Valuation:
N/A
Permit #:
23042-20000-08508
Status:
plancheck
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplemental to permit # 24044-20000-11870 1 economizer 4 smoke detectors
Valuation:
N/A
Permit #:
24044-30001-11870
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Plan check for potable water system. existing 1-1/2 inch water meter
Valuation:
N/A
Permit #:
25042-10000-08155
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Revision to approved plans under 20044-10000-03907. revised grease ductwork and makeup air configuration and added a new exhuast fan serving type i hood
Valuation:
N/A
Permit #:
20044-10002-03907
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Revision to approved plans under 17042-10000-01919. revisions include: a new 3 main meter a 3 rp backflow device and addition of water heaters; revised potable water hydraulic calculations and changed water pipe from pex to cpvc sch 40
Valuation:
N/A
Permit #:
20042-10000-23957
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
General hvac and type i kitchen hood
Valuation:
N/A
Permit #:
24044-10000-15221
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Revision to approved plans under 22042-10000-02400. approved plan contained a dishwahser but it is being replaced by a clothes washer. no change to hydraulic calculations
Valuation:
N/A
Permit #:
22042-10001-02400
Status:
plancheck
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Plan check only for low pressure gas system. relocate (3) gas outlets & install (12) gas outlets. permit under 24042-90000-01244
Valuation:
N/A
Permit #:
24042-10001-01244
Status:
approved
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Plumbing ti: potable water waste/vent low pressure gas. connection to existing 3 water meter no backflow preventer
Valuation:
N/A
Permit #:
22042-10000-15267
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Tenant improvement. install (1) new type 1 hood
Valuation:
N/A
Permit #:
24044-10000-18446
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Installation of general hvac for 29-unit apartment building. includes corridor ventilation dryer ventilation kitchen and bathroom ventilation. garage ventilation system approved under seperate permit
Valuation:
N/A
Permit #:
19044-10000-02867
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
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Chang, Dukwon License info
License Not Verified
| License # | M33271 |
| Status | Active |
| State | California |
- When BuildZoom last verified this license, it had an expiration date of December, 2021. Check the current license status of Chang, Dukwon with the California Architect License Board
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | M33271 |
| Status | Active |
- BuildZoom has not yet reviewed this license for verification.
This is a sample of licensing data; click here to access a complete history.
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95
Permits
- Building permit records show that Chang, Dukwon has worked on 95 permitted projects.