Updated: Jun 30, 2026
Location and Projects
Address
1206 N EL DORADO AVE, Ontario, CA, 91764
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Jewel Construction Inc
Serving Ontario, California and surrounding communities, Jewel Construction Inc specializes in residential construction services. With over three decades of experience, the company offers solutions for homeowners seeking to remodel, renovate, or expand their living spaces. Jewel Construction Inc draws on a long history in the local area to complete a variety of home improvement projects, adapting to client needs and regional architectural styles. The company manages all phases of construction, ensuring projects progress smoothly from initial planning to final completion. Jewel Construction Inc focuses on serving single-family homeowners looking to upgrade or enhance their properties through remodeling, additions, or interior and exterior updates. With more than 33 years in the industry, the company’s professional experience supports a streamlined process for clients throughout the greater Ontario region.
Jewel Construction Inc Services
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Jewel Construction Inc Contact Information
Phone Number: (626) 731-3700
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Address: 1206 N EL DORADO AVE, Ontario, CA 91764
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Jewel Construction Inc Ontario
Quality
96
80th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Jewel Construction Inc has a BuildZoom score of 96, which places them above 80% of 336,931 contractors in California.
Activity
|
1 project
|
2023 |
Our building permit records indicate that Jewel Construction Inc has worked on at least
1.0 project 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
|
$250k-$500k |
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 Jewel Construction Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Change of use from retail space to be buffet restaurant. and upgrade building const type from vb to type iiib
Valuation:
$380,000
Permit #:
14016-10000-16845
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Change of use from retail space to be buffet restaurant. and upgrade building const type from vb to type iiib
Valuation:
$380,000
Permit #:
14016-10000-16845
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Plan check for power and title 24. change of use from retail to buffet restaraunt. new subpanels and lighting. load exceeds 400 amps. tota area = 11, 885 sq. ft. building permit #14016-10000-16845
Valuation:
N/A
Permit #:
17041-10000-10861
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Installation of 4 type i hoods and 1 type ii hood system within a tenant being converted from retail to restaurant
Valuation:
N/A
Permit #:
14044-10000-12633
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Combine guest house & (e)sfd, new 1885sf 1st floor & 855sf 2nd floor addition, to create 2740sf 2-story single family dwelling consisting of 6-bed, 5-bath, kitchen, living room, big room & den w/501sf garage
Valuation:
$169,000
Permit #:
1701190014
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Combine guest house & (e)sfd, new 1885sf 1st floor & 855sf 2nd floor addition, to create 2740sf 2-story single family dwelling consisting of 6-bed, 5-bath, kitchen, living room, big room & den w/501sf garage
Valuation:
$169,000
Permit #:
1701190014
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install (1) new walk in cooler (1080 sf); install (1) new walk in freezer (1080 sf); remove (e) office mezzanine (1390 sf) within exisrting warehouse
Valuation:
$175,000
Permit #:
17016-10000-30341
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Mechanical to combine adu and (e) single family dwelling (n) 1885 sf 1st floor & 855sf 2nd floor addition to creat 2740sf 2-story single family dwelling consisting of 6br 5ba ktchen lvng room big room &den w/501 sf garage
Valuation:
N/A
Permit #:
1803280011
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Tenant improvement (e) hometown buffet to (n) buffet for restaurant
Valuation:
$400,000
Permit #:
B17-33670
Status:
final
Fee:
N/A
Permit Type:
Tenant improvemen...
Building Type:
N/A
Demolish attached 306 sf covered patio; propose 470 sf addition (2bdrms/2bthrms) to (e) 1 - story sfd; and replace roof material with removal of (e) roofing material
Valuation:
$89,950
Permit #:
1801090010
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Plumbing to combine adu & (e)sfd to create new 1885 sf 1st fl addition &855 sf 2nd floor addition to create 2740 sf 2-story single family dwelling consisting of 6 br 5 ba kitchen lvng room big room & den
Valuation:
N/A
Permit #:
1803280013
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Electrical to combine adu & (e)sfd to 1885 sf 1st fl addition & 855 sf 2nd fl addition to create 2740 2-story single family dwelling consisting of 6br 5ba kitchen lvng room big room & den w/501 sf garage
Valuation:
N/A
Permit #:
1803280020
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Verify location of electric wall heater
Valuation:
N/A
Permit #:
22041-10000-10222
Status:
triage
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Demol unpermitted addition & patio convertion (1128 sf) (n addition 2025 sf: 1st floor - 1383 sf & 2nd floor - 642 sf; 1st floor - remodel 360 sf & (n)deck on 2nd flr: 564 sf
Valuation:
N/A
Permit #:
1702020011
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Demol unpermitted addition & patio convertion (1128 sf) (n addition 2025 sf: 1st floor - 1383 sf & 2nd floor - 642 sf; 1st floor - remodel 360 sf & (n)deck on 2nd flr: 564 sf
Valuation:
N/A
Permit #:
1702020018
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Convert 341 sq ft patio to a den convert 654 sq ft 3 car garage to an adu 400 linear ft
Valuation:
N/A
Permit #:
PMT2019-02422
Status:
final
Fee:
$2,784
Permit Type:
N/A
Building Type:
N/A
Tenant improvement - electrical 24 branch circuits 74 outlets 421 light fixtures 7 exhaust fans 13 motors (2) 100 amp panels (2) 200 amp panels and (1) 600 amp panel
Valuation:
$0
Permit #:
E17-33671
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Tenant improvement - plumbing dishwasher 18 floor drains 26 floor sinks 19 lavatories and sinks 8 water closets 2 water heaters and 16 gas outlets
Valuation:
$0
Permit #:
P17-33673
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
New enclosed patio cover 499 sf with four (4) light fixtures and two (2)electric outlets
Valuation:
$20,000
Permit #:
B201902044
Status:
final
Fee:
$802
Permit Type:
N/A
Building Type:
N/A
Tenant improvement for nine beauty inc addition partition walls no mep's
Valuation:
$7,000
Permit #:
COMM19-066
Status:
final
Fee:
$1,008
Permit Type:
Tenant improvement
Building Type:
N/A
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Jewel Construction Inc License info
Verified License
| License # | 915742 |
| 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 Jewel Construction Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 915742 |
| Status | Inactive |
| City | Oceanside |
| Type | Contractor |
| Business Type | Corporation |
- According to the City of Oceanside, CA, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Jewel Construction Inc at the City of Oceanside, CA.
This is a sample of licensing data; click here to access a complete history.
96
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
95
Permits
- Building permit records show that Jewel Construction Inc has worked on 95 permitted projects.
Jewel Construction Inc Employees
HJ
Hawk Hong Jiang
Ceo / President
JL
Jerry Chieh Lee
Rmo / Ceo / Pres
WH
Wei Bin Hu
Officer