Updated: Apr 24, 2026
Location and Projects
Address
17490 MONTOYA CIRCLE, Morgan Hill, CA, 95037
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Oscar Arquello Eng Construction
Serving Morgan Hill, California, Oscar Arquello Eng specializes in engineering services for residential and commercial projects. With 24 years of experience, the firm provides structural evaluations, site assessments, and design solutions to property owners, architects, and builders in the surrounding area. Project types include new construction, additions, and remodels where engineering requirements are a critical component. Clients benefit from the firm's technical expertise in meeting California's building codes and local regulations. Oscar Arquello Eng works directly with project stakeholders to develop engineered drawings and structural plans needed for permitting and construction. The business supports projects of varying scale, helping ensure structural integrity and compliance from concept to final approval.
Oscar Arquello Eng Services
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Oscar Arquello Eng Contact Information
Phone Number: (408) 767-6030
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Address: 17490 MONTOYA CIRCLE, Morgan Hill, CA 95037
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Oscar Arquello Eng Morgan Hill
Quality
95
78th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Oscar Arquello Eng has a BuildZoom score of 95, which places them above 78% of 336,931 contractors in California.
Activity
|
1 project
|
2024 |
Our building permit records indicate that Oscar Arquello Eng has worked on at least
1.0 project over the past 2 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
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.
Roof mounted photovoltaic 11.680kw 100 amp load panel (2) battery
Valuation:
$50,000
Permit #:
SOLR2023-0155
Status:
issued
Fee:
$774
Permit Type:
Photovoltaic roof...
Building Type:
N/A
Scope of work: 1) restore water per code inspector: steve kelly water supply to building only to reactivate sprinkler system. no interior work or work to rectify code issues
Valuation:
N/A
Permit #:
2015 038356 MF
Status:
final
Fee:
N/A
Permit Type:
Apt/condo/townhouse
Building Type:
N/A
R&r 2 water heaters per applicant location 1: basement location 2: basement
Valuation:
N/A
Permit #:
2015 104440 RS
Status:
final
Fee:
N/A
Permit Type:
Single family
Building Type:
N/A
Scope to include the removal of unpermitted addition of 490sf. also remove the epm associated with this addition. new stairs for basement access and remodel 1 existing bathroom per plans
Valuation:
$7,500
Permit #:
2002 042744 RS
Status:
Finaled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace existing aluminum windows in apartment unit #4. total (6) windows. minor kitchen remodel. relocate water heater. eliminate wall furnace & addition central furnace system
Valuation:
$13,483
Permit #:
2007 022981 MF
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Remodel to include convert 2 bedrooms into one bedroom and closet by removing non-bearing wall infill door and addition non-bearing walls for closet. addition 4 receptacles
Valuation:
$2,640
Permit #:
2003 108736 RS
Status:
final
Fee:
N/A
Permit Type:
Single family
Building Type:
N/A
Replace sewer line from building to street with house clean-out & property line-clean-out; water service replacement; water heater replacement; partial rerpipe
Valuation:
N/A
Permit #:
2003 109624 RS
Status:
final
Fee:
N/A
Permit Type:
Single family
Building Type:
N/A
Remove of unpermitted hood (10 ft)counter stove. return restaurant to permited state per 200309424267. repair and patch in kind
Valuation:
$500
Permit #:
201103101815
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
05 - food/beverag...
Electric rewire to entire single family residence and remove 200 amp fuse box and install 200 amp main service panel (to be relocated to basement)
Valuation:
$0
Permit #:
2002 021110 RS
Status:
Finaled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
$28,860
Permit #:
2003 105147 RS
Status:
final
Fee:
N/A
Permit Type:
Single family
Building Type:
N/A
1) electrical service upgrade to 200 amp. 2) addition subpanel on second floor 3) new water service
Valuation:
$0
Permit #:
2009 004365 RS
Status:
Expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace water service from meter to building and extend roof drain to underground and to the curb
Valuation:
$0
Permit #:
2002 053354 CI
Status:
Finaled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
R/r 50 ft of sewer line from front to rear of single family residence. addition new property line cleanout
Valuation:
$0
Permit #:
2002 048911 RS
Status:
Finaled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remove and replace fixtures like for like in same location in master bathroom
Valuation:
$0
Permit #:
2002 037225 RS
Status:
Finaled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replacing water heaters at apartments# 1, 2, 3, 4, 5, 6, 7, 8, 9 and laundry area
Valuation:
N/A
Permit #:
2007 019504 MF
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Remove existing 3 phase boiler & replace with new 3 phase boiler
Valuation:
N/A
Permit #:
2007 006525 MF
Status:
final
Fee:
N/A
Permit Type:
Sro/fraternity/sh...
Building Type:
N/A
Single (n) circuit for r/r furnace from permit 06-003669
Valuation:
N/A
Permit #:
2006 021376 RS
Status:
final
Fee:
N/A
Permit Type:
Single family
Building Type:
N/A
Re roof: remove shake 29 squares new slate tile
Valuation:
N/A
Permit #:
BLD2003-01380
Status:
final
Fee:
$283
Permit Type:
N/A
Building Type:
N/A
Change out water service to 1 copper
Valuation:
N/A
Permit #:
2003 118173 RS
Status:
final
Fee:
N/A
Permit Type:
Single family
Building Type:
N/A
R&r windows and slider in unit #4 only
Valuation:
$2,575
Permit #:
2007 019498 MF
Status:
Expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Oscar Arquello Eng Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Oscar Arquello Eng License info
Verified License
| License # | 771945 |
| Status | Active |
| State | California |
| Type | General Building, Electrical, Plumbing, Warm Air Heating, Ventilating And Air Conditioning |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Oscar Arquello Eng at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
95
BuildZoom Score
Bonded
| Bonded Agent | Hudson Insurance Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
23
Permits
- Building permit records show that Oscar Arquello Eng has worked on 23 permitted projects.
Oscar Arquello Eng Employees
OA
Oscar David Arguello
Owner