Updated: Dec 29, 2025
Location and Projects
Address
19326 Ventura Blvd, Los Angeles, CA, 91356
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Retrofit 1 Photos
Retrofit 1 Plumber
Seismic retrofitting and earthquake retrofitting for Los Angeles, Santa Monica, Beverly Hills, Pasadena, West Hollywood, Oakland, San Francisco, and all over California. We also specialize in multifamily apartment ADUs (accessory dwelling units). Combine your retrofitting requirements with ADUs!
From BuildZoom:
Retrofit 1 at 19326 Ventura Blvd, Los Angeles, CA 91356, has a BuildZoom score of 110 and ranks in the top 4% of 336,931 California contractors.
If you’re thinking about hiring them, we recommend double-checking their license status with your local licensing authority. Alternatively, use our project planner to be easily matched to qualified, licensed professionals in your area.
Retrofit 1 Contact Information
Phone Number: (844) 473-8761
Address: 19326 Ventura Blvd, Los Angeles, CA 91356
Retrofit 1 Los Angeles
Quality
110
96th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Retrofit 1 has a BuildZoom score of 110, which places them above 96% of 336,931 contractors in California.
Activity
|
49 projects
|
2025 |
|
29 projects
|
2024 |
|
34 projects
|
2023 |
Our building permit records indicate that Retrofit 1 has worked on at least
112.0 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
|
26 projects
|
Plumbing projects |
Analyzing permits over the last 4 years shows that Retrofit 1 mostly works on
plumbing project
projects.
Pricing
|
25 projects
|
< $5k |
|
7 projects
|
$5k-$20k |
|
25 projects
|
$20k-$50k |
|
12 projects
|
$50k-$100k |
|
7 projects
|
$100k-$250k |
The typical size of their permits is approximately $30,000. 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.
Re-stucco for residential buildings. water damage termite damage dry rot repair less than 10% of replacement cost of residential buildings. application of an approved coating to an existing exterior balcony or deck
Valuation:
$1,500
Permit #:
25016-10000-13176
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Application of an approved coating to an existing exterior balcony or deck. re-stucco for residential buildings. repair of water dry-rot or termite damaged stairs in residential buildings (less than 10% of replacement cost of stairs)
Valuation:
$3,000
Permit #:
25016-10000-13138
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:
$3,000
Permit #:
23016-90000-37444
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental to permit #22042-20000-12062 to add: new fixtures: 3 bathtubs 1 dish washer 2 garbage dosposals 2 kitchen sinks 3 other sinks 4 showers and 3 toilets. 2 vents 2 earthquake valves 2 gas outlets and 2 backwater valves. change of address from 255 s avenue 55 los angeles ca 90042 to 255 s avenue 55 unit #11 &12. no change in legal
Valuation:
N/A
Permit #:
22042-20001-12062
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:
$10,000
Permit #:
22016-10000-31472
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:
$10,000
Permit #:
22016-10000-31614
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Re-stucco for residential buildings. dry rot repair less than 10% of replacement cost of residential buildings. application of an approved coating to an existing exterior balcony or deck
Valuation:
$1,500
Permit #:
24016-20000-39959
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Application of an approved coating to an existing exterior balcony or deck. re-stucco for residential buildings. dry-rot repair less than 10% of replacement cost of residential buildings
Valuation:
$3,000
Permit #:
25016-20000-27250
Status:
issued
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Application of an approved coating to an existing exterior balcony or deck. re-stucco for residential buildings. water damage termite damage dry rot repair less than 10% of replacement cost of residential buildings
Valuation:
$4,500
Permit #:
24016-40000-33885
Status:
issued
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Eplan: soft-story seismic retrofit per labc chapter 93: soft story seismic reinforcement at building parking garage using (3) special cantilevered columns w grade beams per labc chapter 93
Valuation:
$60,000
Permit #:
24016-10000-32658
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Re-stucco for residential buildings. application of an approved coating to an existing exterior balcony or deck
Valuation:
$1,500
Permit #:
25016-10000-06806
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
(2) new accessory dwelling units [22'-4 x 81'-1"] above (e) open parking area per ca govt. code bill no. 897 & restripe parking area below (remove 1 stall); nfpa-13r thru-out; “the lid clearance has been deferred. approval for lid requirements shall be obtained from lasan prior to the issuance of the certificate of occupancy.”
Valuation:
$150,000
Permit #:
22010-20000-04975
Status:
plancheck
Fee:
N/A
Permit Type:
1 or 2 family dwe...
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:
$9,500
Permit #:
21016-10000-58302
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
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:
$2,000
Permit #:
21016-10000-43640
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Soft-story seismic retrofit per lamc division 93. supplemental permit for change of design to replace and lost set of plan set. install (4) (n) omf
Valuation:
$500
Permit #:
18016-10003-17151
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Eplan: soft-story seismic retrofit per labc chapter 93: soft story seismic reinforcement at building parking garage using (4) special cantilevered columns (1) 2-bay ordinary moment frame & (1) wood shear wall
Valuation:
$130,000
Permit #:
22016-10000-04040
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Soft-story seismic retrofit per labc chapter 93: soft story retrofit per div. 93 to existing * condominium building using (4) special cantilever column system
Valuation:
$120,000
Permit #:
20016-10000-20993
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Soft story seismic reinforcement at building parking garage using (1) special cantilevered column w (1) grade beam
Valuation:
$35,000
Permit #:
BLD2026-01815
Status:
triage
Fee:
$659
Permit Type:
Site improvements...
Building Type:
N/A
Soft story seismic reinforcement at building parking garage using (1) special cantilevered column w (1) grade beam
Valuation:
$35,000
Permit #:
BLD2026-01814
Status:
triage
Fee:
$659
Permit Type:
Site improvements...
Building Type:
N/A
Eplan: demolish (e) detached garage - sewer cap not required. pedestrian fence required
Valuation:
$1,200
Permit #:
24019-10000-01812
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Retrofit 1 Reviews
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Recent Buildzoom Projects
Retrofit 1 License info
License Not Required
| Status | Not Required |
- BuildZoom verified in September, 2023 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.
110
BuildZoom Score
300
Permits
- Building permit records show that Retrofit 1 has worked on 300 permitted projects.