Updated: May 20, 2026
Location and Projects
Address
18676 AGUIRO STREET, Rowland Heights, CA, 91748
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Tiuy Quoc Construction
Tiuy Quoc, 18676 Aguiro St, Rowland Heights, CA (Employees: Michael Quoc, Michael Quoc, and Tiuy Quoc) holds a General Building license according to the California license board.
Their BuildZoom score of 93 ranks in the top 27% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Tiuy Quoc, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Tiuy Quoc Services
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Tiuy Quoc Contact Information
Phone Number: (626) 271-0620
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Address: 18676 AGUIRO STREET, Rowland Heights, CA 91748
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This is a sample of this contractor's permits. Click here to access their complete permit history.
(n)2-story accessory dwelling unit 1200sf: (3)bedroom (3) bathroom 1st floor 699 sf 2nd floor 510 sf and 391 sf covered deck
Valuation:
$180,830
Permit #:
1707190022
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
(n)2-story accessory dwelling unit 1200sf: (3)bedroom (3) bathroom 1st floor 699 sf 2nd floor 510 sf and 391 sf covered deck
Valuation:
$180,830
Permit #:
1707190022
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Bl1704280026 permit changed from owner builder to contracter addition attached 2nd unit 800 sf (2) room and (2) bathroom
Valuation:
$107,000
Permit #:
1802150065
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Addition 2, 134 sf (1st floor) addition 1, 550 sf (2nd floor)
Valuation:
$500,000
Permit #:
1711140041
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Bl1704280027 - changed from owner builder to contractor addition 34 sf bathroom to main unit adj. living room
Valuation:
$5,000
Permit #:
1802150066
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install 400 amp panel wlwctricla circuits to new addition
Valuation:
N/A
Permit #:
1808210010
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install 3 split unit air conditioning heat system
Valuation:
N/A
Permit #:
1808210007
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Pl for new 2-story accessory dwelling unit 1200sf
Valuation:
N/A
Permit #:
1802200010
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Me for new 2-story accessory dwelling unit 1200sf
Valuation:
N/A
Permit #:
1802200005
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
El for new 2-story accessory dwelling unit 1200sf
Valuation:
N/A
Permit #:
1802200009
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Sewer connection for new 2-story adu 1200sf
Valuation:
N/A
Permit #:
1802200001
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Connect new sewew 2nd unit to existing
Valuation:
N/A
Permit #:
1802150005
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Connection to (e) house sewer
Valuation:
N/A
Permit #:
1808210003
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
34 sqft for bathroom addition
Valuation:
N/A
Permit #:
1802150031
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
34 sqft bathroom addition
Valuation:
N/A
Permit #:
1802150006
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
34 sqft bathroom addition
Valuation:
N/A
Permit #:
1802150023
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
34 sqft bathroom addition
Valuation:
N/A
Permit #:
1802150045
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Pl for bl 1711140041
Valuation:
N/A
Permit #:
1808210004
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Pl for new 2nd unit
Valuation:
N/A
Permit #:
1802150030
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Me for new 2nd unit
Valuation:
N/A
Permit #:
1802150022
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Verified License
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Tiuy Quoc License info
Verified License
| License # | 926478 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Tiuy Quoc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
93
BuildZoom Score
Bonded
| Bonded Agent | Suretec Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
9
Permits
- Building permit records show that Tiuy Quoc has worked on 9 permitted projects.
Tiuy Quoc Employees
MQ
Michael Quoc
Officer
MQ
Michael Quoc
Officer
TQ
Tiuy Quoc
Sole Owner
TQ
Tiuy Quoc
Owner