License is active
Source: Contractors State License Board (CSLB)
Licensed
Current and in good standing
Bonded
$25,000 surety bond
WC exempt
No employees — exempt from requirement
Clean record
No complaints or disciplinary actions
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KOA DESIGN + CONSTRUCTION
- License Number
- 779901
- State
- California
- Status
- active
- Business Type
- Sole Owner
- Address
- 1325 HOWARD AVE #112 BURLINGAME, CA, 94010 San Mateo County
- Phone
- (415) 519 1411
License Dates
Issued
06/06/2000
Expires
06/30/2026
Expires in 11 weeks
CSLB Last Updated
04/23/2025
License Classifications
Personnel & Officers
HAMAMURA MICHAEL MASAO
Sole Owner
Contractor Bond
Amount: $25,000
Company: NATIONWIDE MUTUAL INSURANCE COMPANY
Bond #7901246076
Effective: 04/20/2025
Workers' Compensation
Owner/officer with no employees — exempt from WC requirement
CSLB designation: Exempt
Complaints & Disciplinary History
This reflects CSLB's bulk license data. For detailed complaint history including pending investigations, check the official CSLB record.
Building Permits
Source: LA City Open Data (LADBS)
otc alterations permit
127 Roanoke St, 94131
exterior siding installation over existing. replace 24 windows with 24 aluminium wood clad windows.
$50,000
2014-01-08
otc alterations permit
125 Roanoke St, 94131
exterior siding installation over existing approx. 2600 sf
$32,000
2014-01-08
otc alterations permit
3945 Clay St, 94118
kitchen remodel - change cabinets-applioances, upgrade elec to code; bathroom remodel - change sink cab, toilet-tub & shower to code.
$25,000
2010-12-01
otc alterations permit
480 45th Av, 94121
replace kitchen cabinets,appliances,flooring,upgrade elec.to code.retrofit 2 (e)windows.replace toil
$22,340
2004-03-24
otc alterations permit
1088 De Haro St, 94107
renovte kitchen & bath, upgrade plumbing & electrical to both areas
$28,700
2003-10-02
otc alterations permit
3566 Jackson St, 94118
remodel guest bathroom, change toilet/vanity/bathtub/tile/ltg fix/plumbing fix
$16,900
2002-05-08
otc alterations permit
2527 15th Av, 94116
window change. all same size . 3 window back. 5 side. sliding door change. 1 same size. back house.
$5,000
2002-04-10
Verify this record on the official state licensing board
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California licensing guide →Data sourced from official state licensing board records. Always confirm critical information directly with the state board.
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