Updated: Dec 18, 2025
Location and Projects
Address
14426 S RAYMOND AVE, Gardena, CA, 90247
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Onishi, Robert K Construction
Serving the Gardena, California area for over three decades, Robert K. Onishi specializes in building and remodeling residential properties. With 36 years of experience, Onishi manages a diverse portfolio that includes new home construction as well as renovation projects on existing single-family houses. His work spans a range of project types, from structural improvements such as room additions and garage conversions to interior remodels including kitchens and bathrooms. Onishi regularly partners with homeowners throughout Gardena and surrounding communities in the South Bay region, delivering tailored solutions for local residential needs. Known for navigating all phases of the construction process, he oversees work from initial planning through completion, adapting to a variety of architectural styles and property conditions common in the Los Angeles area.
Onishi, Robert K Services
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Onishi, Robert K Contact Information
Address: 14426 S RAYMOND AVE, Gardena, CA 90247
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Onishi, Robert K Gardena
Quality
107
94th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Onishi, Robert K has a BuildZoom score of 107, which places them above 94% of 336,931 contractors in California.
Activity
|
28 projects
|
2025 |
|
20 projects
|
2024 |
|
19 projects
|
2023 |
Our building permit records indicate that Onishi, Robert K has worked on at least
67.0 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
|
18 projects
|
New Constructions |
|
17 projects
|
Home Additions |
|
3 projects
|
Commercial Renovations |
|
9 projects
|
Multi-room remodels |
|
4 projects
|
Kitchen remodels |
Analyzing permits over the last 4 years shows that Onishi, Robert K mostly works on
new construction
and home addition
projects.
Pricing
|
9 projects
|
< $5k |
|
7 projects
|
$5k-$20k |
|
6 projects
|
$20k-$50k |
|
6 projects
|
$50k-$100k |
|
20 projects
|
$100k-$250k |
|
7 projects
|
$250k-$500k |
|
9 projects
|
$500k-$1mil |
|
1 project
|
$1mil+ |
The typical size of their permits is approximately $100,000. 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> major remodel and addition to make a 98'10-1/2"x84'6 2-story single family dwelling with an attached garage and an attached junior accessory dwelling unit. (nfpa-13d fire sprinklers required throughout)
Valuation:
$750,000
Permit #:
25014-20000-00481
Status:
applied
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Eplan. tenant improvement for interior remodel of existing medical office for: 1. modify the space cleanroom within b106 to accommodate a new x-ray self contained cabinet 2. revise ceiling and lights and hvac to meet new layout. 3. anchor new equipment and addition new concrete pad footing (13 ft x 11ft) 4. maintain cleanroom environment. 5. in-fill (e) exterior door
Valuation:
$125,000
Permit #:
25016-20000-00510
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Tenant improvement to (e) manufactoring building to provide full height wall box out around (e) steel columns provide privacy curtains provide anchorage for rooftop equipment
Valuation:
$199,999
Permit #:
25016-20000-03775
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Provide a concrete pad and mechanical and electrical connection to support a new makino mill machine provide a platform to access the makino mill machine provide electrical connection t no changes to the occupancy group or the use of the building no changes to the path of travel no changes the building accessibility
Valuation:
$200,000
Permit #:
24016-20000-35079
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Eplan - addition and major remodel to existing single family dwelling w garage
Valuation:
$400,000
Permit #:
25014-10000-00076
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Structural remodel of an (e) single family dwelling with an attached garage. replace all windows and doors re-roof & re-stucco underpin (e) foundation
Valuation:
$250,000
Permit #:
25016-30000-21215
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
(n) 4-story single family dwelling w attached 2-car garage (nfpa-13 fire sprinklers throughout) <<small lot subdivision pursuant to preliminary parcel map no. aa-2015-4510-pmla. a certificate of occupancy (temporary or final) shall not be issued until after the final map has been recorded >>
Valuation:
$222,000
Permit #:
16010-20000-00727
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Structural office tenanant improvments. construct mecanical eqipment platform support at the roof level. change of use of the sound stage to data center
Valuation:
$362,000
Permit #:
15016-20000-25501
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Eplan. new al fresco outdoor uncovered dining area (3196 sf). new guardrails
Valuation:
$50,000
Permit #:
24016-10000-18212
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Addition and remodeling to existing one-story family dwelling including: existing attahced garage conversion to bedroom/bathroom addition and new attached garage
Valuation:
$185,000
Permit #:
21014-30000-04268
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Eplan new 2-story single family dwelling with attached 2-car garage -bldg sprinklered thru-out
Valuation:
$300,000
Permit #:
23010-10000-04064
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Eplan- addition and remodel (exterior and interior) to (e) single family dwelling. new deck at front and side yards. new below grade stairs at front yard
Valuation:
$120,000
Permit #:
23014-10000-00967
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
(eplan) install 10 chance helical piers to stabilize perimeter footing along downslope side of existing 2-story single family dwelling with attached garage
Valuation:
$36,000
Permit #:
24016-10000-10404
Status:
plancheck
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Foundatin and anchorage for new 9'x18 pre-fabricated unmanned equipment enclosure
Valuation:
$120,000
Permit #:
25010-10000-01110
Status:
triage
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Foundation and anchorage for new 9'x18 pre-fabricated unmanned equipment enclosure
Valuation:
$120,000
Permit #:
25010-10000-01113
Status:
triage
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplemental to 24020-20000-01229 to revise the scope or work to new 96.16 ft long x 4 ft high max retaining wall all work per engineering
Valuation:
$240
Permit #:
24020-20001-01229
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Pad and anchorage for new 9'x18 pre-fabricated unmanned equipment enclosure
Valuation:
$120,000
Permit #:
25010-10000-01105
Status:
triage
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Installing equipment pad for (1) 125 kva stand-by generator on parking level a. restripe parking stall from standard to compact
Valuation:
$106,000
Permit #:
25016-20000-01002
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Tenant improvement to install two (n) machines & overhead crane concrete pads and footings and anchorage all work per engineering
Valuation:
$199,000
Permit #:
23016-20000-29109
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Eplan. new detached 800sf 1 story adu with attacherd trellis (427sqft) per state law ***fire sprinkler 13d required***
Valuation:
$250,000
Permit #:
24010-20000-03066
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
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Onishi, Robert K License info
Verified License
| License # | CAS3705 |
| Status | Active |
| State | California |
- BuildZoom has not verified this license since June, 2015.
Verify this license's status for Onishi, Robert K at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
107
BuildZoom Score
650
Permits
- Building permit records show that Onishi, Robert K has worked on 650 permitted projects.