Updated: Dec 09, 2025
Location and Projects
Address
Los Angeles, CA, 00000
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Ronald Chang Plumber
Ronald Chang at Los Angeles, CA 00000, has a BuildZoom score of 99 and ranks in the top 15% of 336,931 California contractors.
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Ronald Chang Services
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Ronald Chang Contact Information
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Ronald Chang Los Angeles
Quality
99
85th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Ronald Chang has a BuildZoom score of 99, which places them above 85% of 336,931 contractors in California.
Activity
|
4 projects
|
2025 |
|
2 projects
|
2023 |
Our building permit records indicate that Ronald Chang has worked on at least
6.0 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.
Pricing
|
2 projects
|
$20k-$50k |
|
1 project
|
$50k-$100k |
|
1 project
|
$500k-$1mil |
|
1 project
|
$1mil+ |
The typical size of their permits is approximately $59,000. This graph shows the distribution of these job values.
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.
Convert existing detached garage and unpermitted storage to new accessory dwelling unit per gcs 65852.2(e)(1)(a). work done per engineer design. comply with department order effective date 04/25/2025. permit will expire 30 days from issuance date existing construction that does not pose a threat to the publics health and safety was allowed per government code section 55.852.2(d)(2)
Valuation:
$38,000
Permit #:
24014-10000-05671
Status:
plancheck
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
**2025 eligible wildfire project ** new single family dwelling with attached garage
Valuation:
$750,000
Permit #:
25016-10000-20532
Status:
plancheck
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Eplan. supplemental permit to 23014-10000-02648 for minor changes to ground floor shear walls raising headers at existing openings on the ground floor and adding (2) new footings and second steel beam at new curved stair
Valuation:
$5,000
Permit #:
23014-10001-02648
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Remodel attached garage. addition new window replace garage door. work per engineer
Valuation:
$38,000
Permit #:
22016-20000-03203
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental to 20016-20000-19018 to revise floor plan and structural details.no change in area
Valuation:
$501
Permit #:
20016-10001-19018
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental permit to 18010-20000-01367 to revise address and legal
Valuation:
$501
Permit #:
18010-20001-01367
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental permit to 18010-20000-01366 to revsie address and legal
Valuation:
$501
Permit #:
18010-20001-01366
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental permit to 18010-20000-01369 to revise address and legal
Valuation:
$501
Permit #:
18010-20001-01369
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental permit to 18010-20000-01368 to revise address and legal
Valuation:
$501
Permit #:
18010-20001-01368
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental permit to 18010-20000-01365 to revise address and legal
Valuation:
$501
Permit #:
18010-20001-01365
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Convert existing detached garage to new accessory dwelling per lamc 12.22 a.33(c) and (d); addition 15 x 20 rec room on second floor; addition exterior stairs; addition 2 x 5'-6 on first floor to enlarge existing bathroom
Valuation:
$80,000
Permit #:
20014-20000-03920
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
(n) retaining wall (length= 310 height= 10'-0")
Valuation:
$26,000
Permit #:
18020-20000-01831
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
**2025 wildfire elligible project per eo1** new 2 story single family dwelling with attached garage and trellis. **nfpa-13d fire sprinklers to be installed throughout**
Valuation:
$2,000,000
Permit #:
25010-10000-04792
Status:
plancheck
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
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Ronald Chang Reviews
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Recent Buildzoom Projects
Ronald Chang License info
License Not Required
| Status | Not Required |
- BuildZoom verified in September, 2021 that this contractor does not need a license to be a plumber in California.
This is a sample of licensing data; click here to access a complete history.
99
BuildZoom Score
13
Permits
- Building permit records show that Ronald Chang has worked on 13 permitted projects.