Updated: Mar 02, 2026
Location and Projects
Address
18455 Burbank Blvd, Tarzana, CA, 91356
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One Stop Retrofit Construction
One Stop Retrofit, 18455 Burbank Blvd, Tarzana, CA (Employees: Efraim Oren and Shlomo Bobrow) holds a General Building license according to the California license board.
Their BuildZoom score of 109 ranks in the top 5% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring One Stop Retrofit, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
One Stop Retrofit Contact Information
Phone Number: (310) 349-3223
Address: 18455 Burbank Blvd, Tarzana, CA 91356
One Stop Retrofit Tarzana
Quality
109
95th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
One Stop Retrofit has a BuildZoom score of 109, which places them above 95% of 336,931 contractors in California.
Activity
|
10 projects
|
2025 |
|
4 projects
|
2024 |
|
8 projects
|
2023 |
Our building permit records indicate that One Stop Retrofit has worked on at least
22.0 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
|
4 projects
|
< $5k |
|
3 projects
|
$5k-$20k |
|
3 projects
|
$20k-$50k |
|
5 projects
|
$50k-$100k |
|
5 projects
|
$100k-$250k |
|
1 project
|
$250k-$500k |
The typical size of their permits is approximately $51,000. 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.
Eplan: soft-story seismic retrofit per labc chapter 93: (2) single bay special steel moment frames & (2) double sided plywood shear walls
Valuation:
$125,000
Permit #:
25016-10000-01412
Status:
issued
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Replacement of damaged framing members (less than 10% of replacement cost of building) for single family dwellings and duplex (not including decks)
Valuation:
$3,500
Permit #:
25016-90000-00566
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Eplan: soft-story seismic retrofit per labc chapter 93: (1) new special steel cantilever column (1) new wood shear wall & (4)-new hardy panels
Valuation:
$100,000
Permit #:
24016-10000-39760
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Eplan: soft-story seismic retrofit per labc chapter 93: remove and replace (e) column with (2)-new special steel cantilever columns
Valuation:
$70,000
Permit #:
24016-10000-39445
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Addition sill plate anchor bolts and plywood to cripple walls (if existing) per la city standard plan #1; no foundation replacement (earthquake hazard reduction per chapter 92 of the los angeles building code). (houses residential buildings up to 3 stories and up to 4 units)
Valuation:
$76,000
Permit #:
21016-10000-48274
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Voluntary structural upgrade to existing apartment
Valuation:
$250,000
Permit #:
24016-20000-22042
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Eplan: 1 of 2 : soft-story seismic retrofit per labc chapter 93: (3035 sierra) - 3 new ordinary moment frames and 1 special steel cantilevered column
Valuation:
$150,000
Permit #:
24016-10000-08216
Status:
issued
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Addition of 2-story to (e) 1 story detached garage to convert it to 2 story accessry dwelling unit ( 868 sq-ft ) per lamc 12.22 a.33(c)¹ (d)¹ and (g) and attach. trellis
Valuation:
$100,000
Permit #:
20010-20000-05050
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Eplan: 2 of 2 : soft-story seismic retrofit per labc chapter 93: (3045 sierra) - 3 new ordinary moment frames and 2 wood shear walls
Valuation:
$150,000
Permit #:
24016-10000-08219
Status:
issued
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Eplan: soft-story seismic retrofit per labc chapter 93: install hardy frame shear wall panels
Valuation:
$310,931
Permit #:
23016-10000-17612
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Eplan: soft-story seismic retrofit per labc chapter 93: (1) 2 bay special steel moment frame & (1) new wood shear wall
Valuation:
$100,000
Permit #:
25016-10000-01409
Status:
issued
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Temporary power pole for less than 600 volts and up to 400 amps of load
Valuation:
N/A
Permit #:
25041-40000-07023
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Voluntary foundation repair to (e) single family dwelling
Valuation:
$30,000
Permit #:
25016-10000-04923
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Eplan 1550 - soft-story seismic retrofit per labc chapter 93: soft story seismic reinforcement using special cantilevered columns and grade beams
Valuation:
$150,000
Permit #:
19016-10000-39861
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Water damage termite damage or dry-rot repair less than 10% of replacement cost of residential buildings
Valuation:
$28,000
Permit #:
24016-20000-22055
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Supplemental permit to permit #19016-10000-30080. -change method of laterial support from hardy frames to wood shear walls -change method of lateral support from hardy frames to cantilevered column
Valuation:
$501
Permit #:
19016-10001-30080
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Repair of water dry-rot or termite damaged stairs in residential buildings (less than 10% of replacement cost of stairs)
Valuation:
$30,000
Permit #:
22016-10000-25531
Status:
issued
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Supp. permit to 20010-20000-05050 to change the size of trellis and update strucural inventory
Valuation:
$501
Permit #:
20010-20002-05050
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Water damage termite damage dry rot repair less than 10% of replacement cost of residential buildings
Valuation:
$60,000
Permit #:
22016-20000-38227
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Eplan- voluntary soft soft-story retrofit using 3-new hardy panels for existing duplex building with tuck under parking
Valuation:
$20,000
Permit #:
22016-10000-07328
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
One Stop Retrofit Reviews
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Verified License
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One Stop Retrofit License info
Verified License
| License # | 1026051 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Corporation |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for One Stop Retrofit at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
109
BuildZoom Score
Bonded
| Bonded Agent | Western Surety Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
118
Permits
- Building permit records show that One Stop Retrofit has worked on 118 permitted projects.
One Stop Retrofit Employees
EO
Efraim Oren
Ceo / President
SB
Shlomo Bobrow
Rmo