Updated: Jun 04, 2026
Location and Projects
Address
3115 RED HILL AVE, Costa Mesa, CA, 92626
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Questar Construction
Founded in 1979 and based in Costa Mesa, Questar Construction brings deep experience in commercial and institutional building throughout Southern California. The company began with a focus on state-of-the-art healthcare facilities and has since expanded to deliver projects ranging from small tenant improvements to large-scale tilt-up structures and multi-million dollar ground-up developments. Questar manages construction for learning environments, healthcare spaces, creative workspaces, and residential living facilities. As a family-owned business, Questar prioritizes respect for the preservation of existing structures and client operations during each project. Their expertise extends to navigating complex renovations while maintaining ongoing use of spaces. With more than four decades in operation, Questar continues to serve clients seeking reliable construction management and project delivery across a range of property types.
Questar Construction Services
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Questar Construction Contact Information
Phone Number: (949) 250-0060
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Address: 3115 RED HILL AVE, Costa Mesa, CA 92626
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Renovation of 12, 336 sq ft warehouse space. convert 4663 sf to b occupancy for new offices restrooms conference room breakroom and gym. in rear of warehouse expand existing electrical. room to 257 sf and addition 64 sf restroom. fixture count: mech- (4)
Valuation:
$625,000
Permit #:
BC22-00139
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Site improvements: landscape and irrigation improvements gate (manuel operated) with 6'2 high pilasters 10 high- gas steel fireplace 8 high special design wire-mesh fencing and 6 high cmu wall. install two railcars to serve as exterior deck
Valuation:
$400,000
Permit #:
BLD2011-03221
Status:
final
Fee:
N/A
Permit Type:
Tenant improvement
Building Type:
N/A
Location: parking lots courtyards of 200 300-320 commerce outdoor tenant improvement - 8 umbrella footings basketball post footings plumbing & electrical for bbq
Valuation:
$55,000
Permit #:
00659238-MISC
Status:
final
Fee:
$452
Permit Type:
N/A
Building Type:
N/A
Location: parking lots courtyards of 200 300-320 commerce outdoor tenant improvement - 8 umbrella footings basketball post footings plumbing & electrical for bbq
Valuation:
N/A
Permit #:
00659239-PBP
Status:
final
Fee:
$100
Permit Type:
N/A
Building Type:
N/A
Location: parking lots courtyards of 200 300-320 commerce outdoor tenant improvement - 8 umbrella footings basketball post footings plumbing & electrical for bbq
Valuation:
N/A
Permit #:
00659237-EBP
Status:
final
Fee:
$100
Permit Type:
N/A
Building Type:
N/A
Site improvements: landscape and irrigation improvements gate (manuel operated) with 6'2 high pilasters 10 high- gas steel fireplace 8 high special design wire-mesh fencing and 6 high cmu wall. install two railcars to serve as exterior deck
Valuation:
$400,000
Permit #:
BLD2011-03221
Status:
Finaled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Revision for b1201537 - tenant improvement for dignity health (obgyn) 0ffice (interior wall revisions only. revised to addition 19-plumbing fixtures 19-drain and vents 1-water heater and hot and cold water piping
Valuation:
N/A
Permit #:
B1300108
Status:
final
Fee:
$884
Permit Type:
N/A
Building Type:
N/A
Location: 1st floor building entry ti: exterior building entry renovation and new struct card reader
Valuation:
$167,566
Permit #:
00615764-SBPT
Status:
final
Fee:
$492
Permit Type:
N/A
Building Type:
N/A
Temporary occupancy of shade structures until such time that convenience outlets can be installed
Valuation:
N/A
Permit #:
00691812-TO
Status:
final
Fee:
$270
Permit Type:
N/A
Building Type:
N/A
Temporary occupancy permit - waiting for mechanical test & balance approved report
Valuation:
$0
Permit #:
00685116-TO
Status:
issued
Fee:
$270
Permit Type:
N/A
Building Type:
N/A
Courtyard improvements: gas lines for bbq grills light fixtures and site lighting on poles electrical outlets verizon wireless campus
Valuation:
N/A
Permit #:
00639834-PBP
Status:
final
Fee:
$100
Permit Type:
N/A
Building Type:
N/A
Courtyard improvements: gas lines for bbq grills light fixtures and site lighting on poles electrical outlets verizon wireless campus
Valuation:
N/A
Permit #:
00639833-EBP
Status:
final
Fee:
$169
Permit Type:
N/A
Building Type:
N/A
Electrical only for 4 permitted monument signs 15525 & 15535 sand canyon
Valuation:
$0
Permit #:
00641945-CTI
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Interior non structural tenant improvement on 4th floor of (e) medical building to building parition walls for medical consultation area with new drop ceiling per ib-2008-040
Valuation:
N/A
Permit #:
12016-20000-01410
Status:
triage
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Replace exterior skin facade at main building entrance door
Valuation:
$10,000
Permit #:
00669823-MISC
Status:
final
Fee:
$269
Permit Type:
N/A
Building Type:
N/A
Replace exterior skin facade at main building entrance door
Valuation:
$10,000
Permit #:
00669822-MISC
Status:
final
Fee:
$269
Permit Type:
N/A
Building Type:
N/A
Replace exterior skin facade at main building entrance door
Valuation:
$10,000
Permit #:
00669821-MISC
Status:
final
Fee:
$277
Permit Type:
N/A
Building Type:
N/A
Location: 1st floor building entry ti: exterior building entry renovation and new struct card reader
Valuation:
N/A
Permit #:
00615763-EBP
Status:
final
Fee:
$100
Permit Type:
N/A
Building Type:
N/A
Exterior building entry w card readers and new structural columns furrwall & entry canopy
Valuation:
$5,925
Permit #:
00616088-SBPT
Status:
final
Fee:
$412
Permit Type:
N/A
Building Type:
N/A
Precise grade. site improvements for courtyard amenity area
Valuation:
N/A
Permit #:
00658867-GP
Status:
final
Fee:
$4,248
Permit Type:
N/A
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Questar Construction License info
Verified License
| License # | 708263 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Corporation, Sole Ownership |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Questar Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 933785 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | Corporation, Sole Ownership |
- According to the California Contractors State License Board, 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 Questar Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
98
BuildZoom Score
Bonded
| Bonded Agent | Hudson Insurance Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Insurance Company Of The West |
21
Permits
- Building permit records show that Questar Construction has worked on 21 permitted projects.
Questar Construction Employees
JS
James Salomon
Rme
JS
James Salomon
Rme
NS
Nancy Elizabeth Salomon
Ceo/President