Updated: Feb 12, 2026
Location and Projects
Address
935 S LAWSON ST UNIT #202, City Of Industry, CA, 91748
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National Retrofit Service Electrician
National Retrofit Service Inc, 935 S Lawson St, City Of Industry, CA (Employee: Jack Lindsay Forest) holds a General Building, Electrical license according to the California license board.
Their BuildZoom score of 93 ranks in the top 27% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring National Retrofit Service Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
National Retrofit Service Inc Contact Information
Phone Number: (323) 300-6630
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Address: 935 S LAWSON ST UNIT #202, City Of Industry, CA 91748
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National Retrofit Service Inc City Of Industry
Quality
93
73rd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
National Retrofit Service Inc has a BuildZoom score of 93, which places them above 73% of 336,931 contractors in California.
Activity
|
1 project
|
2025 |
|
1 project
|
2024 |
|
6 projects
|
2023 |
Our building permit records indicate that National Retrofit Service Inc has worked on at least
8.0 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
|
1 project
|
< $5k |
|
1 project
|
$5k-$20k |
|
4 projects
|
$20k-$50k |
|
1 project
|
$50k-$100k |
The typical size of their permits is approximately $25,000. 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.
Building Permits by National Retrofit Service Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Supplemental to permit # 20016-1001-31034 to add: wood siding over solid sheathing with an approved water-resistive barrier per valid icc evaluation report # icces_2375__ on exterior walls at 5 feet or more from property lines for residential buildings
Valuation:
$15,000
Permit #:
20016-30003-31034
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental permit (20016-10000-31034) bathroom layout and structure detail change
Valuation:
$15,000
Permit #:
20016-10001-31034
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Eplan: soft-story seismic retrofit per labc chapter 93: reinforcing soft story building by two steel special moment frames at ground parking floor level at the existing apartment
Valuation:
N/A
Permit #:
21016-10000-30634
Status:
plancheck
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Supplemental permit to 22016-10000-02315 to revise address range *no fee department error*
Valuation:
N/A
Permit #:
22016-10001-02315
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental permit to soft story permit 18016-10000-20895. change of beam drag connection detail from steel to wood. no change in plot plan
Valuation:
$501
Permit #:
18016-10001-20895
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Soft-story seismic retrofit per lamc division 93. installation of 1 wood shear wall at front & installation of 1 ordinary moment frame system (omf) with concrete tie beam at rear. works are at front & rear tuck-under parking areas not on tenants units
Valuation:
$35,000
Permit #:
18016-10000-00396
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Soft-story seismic retrofit per lamc division 93. installation of 1 wood shear wall at front & installation of 1 ordinary moment frame system (omf) with concrete tie beam at rear. works are at front & rear tuck-under parking areas not on tenants units
Valuation:
$35,000
Permit #:
18016-10000-00394
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Soft story retrofit as per lamc division 93. install two (n) double sided shear walls and 1 (n) ordinery moment frame. supplemental for detail change no plot plan
Valuation:
$501
Permit #:
17016-10002-32043
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
**void-withdrawn***soft story retrofit per labc ch 93. install 7 sccs and 1 omf
Valuation:
$160,000
Permit #:
19016-10000-14662
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
*supplemental pemrit to 21016-10000-01525* changes to foundation and frmaing plan due to field conditions
Valuation:
$501
Permit #:
21016-10001-01525
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Soft story retrofit as per labc ch. 93. using special moment frame and shear wall
Valuation:
$80,000
Permit #:
21016-10000-00537
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Soft story retrofit as per labc ch. 93. using wood shear wall and steel special cantilevered columns
Valuation:
$100,000
Permit #:
21016-10000-01525
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Soft story retrofit as per labc ch. 93. install two (2) new sccs
Valuation:
$40,000
Permit #:
19016-10000-37022
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Soft story retrofit as per lamc division 93. install two (n) double sided shear walls and 1 (n) ordinery moment frame
Valuation:
$45,000
Permit #:
17016-10000-32043
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Soft story retrofit as per labc ch. 93. supplemental permit to 18016-10000-38150 to revise structural details. no change to plot plan
Valuation:
$501
Permit #:
18016-10001-38150
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Soft story retrofit per division 93. retrofit consists of installing (2) steel special cantilever columns to existing 2-story apartment building
Valuation:
$45,000
Permit #:
18016-10000-40223
Status:
issued
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Soft story retrofit as per labc ch. 93. install 4 steel moment frames
Valuation:
$120,000
Permit #:
20016-10000-07312
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Soft story retrofit per div. 93. retrofit consists of steel moment frame and plywood shear walls
Valuation:
$50,000
Permit #:
17016-10000-07240
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Supplemental permit to 19016-10000-35730. soft story retrofit as per labc ch 93. update detials per existing condition
Valuation:
$501
Permit #:
19016-10001-35730
Status:
issued
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Soft story retrofit per lamc division 93. install four (n) ordinary moment frames and two (n) hardy frames
Valuation:
$130,000
Permit #:
18016-10000-30426
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
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National Retrofit Service Inc Reviews
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Verified License
BuildZoom confirmed this contractor's license
National Retrofit Service Inc License info
Verified License
| License # | 1062123 |
| Status | Active |
| State | California |
| Type | General Building, Electrical |
| Business Type | Corporation |
- BuildZoom verified this license was active as of February 2026.
Verify this license's status for National Retrofit Service Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
93
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
37
Permits
- Building permit records show that National Retrofit Service Inc has worked on 37 permitted projects.
National Retrofit Service Inc Employees
JF
Jack Lindsay Forest
Rmo / Ceo / Pres