C - 1 Construction Corporation

Report card

• Licence activeCSLB #878835, class A, B, C21. Issued 6 Jun 2006, expires 30 Jun 2028.
• Licensed 20 yrsSince 6 Jun 2006.
• Bonded$25,000 with American Contractors Indemnity Company, since 1 Jan 2023. California requires the same $25,000 bond of every contractor.
• Workers' comp insuredState Compensation Insurance Fund, policy 9121338, valid to 4 Jan 2027.
• Clean CSLB recordNo citations, complaints or legal actions disclosed.CSLB record
• EPA Lead-Safe certifiedFirm NAT-127810-2, valid to 26 Sep 2029. Required for work disturbing paint in pre-1978 homes.
• On the BBB, not accreditedIts BBB rating, complaints and reviews are on its Better Business Bureau profile.BBB profile Complaints Reviews
• 3 building permits since 2020Pulled under this licence (City of Los Angeles, LADBS), most recently 11 Jun 2021.

Checked against the Contractors State License Board (CSLB) register on 4 Nov 2026.

About C - 1 Construction Corporation

People on the licence

Won Il Kim (qualifier, CEO and president), Sue Nah Kim (officer)

Recent permits

Building permits pulled under licence #878835, from City of Los Angeles, LADBS open data, which names contractors up to 19 May 2023. Locations are shown to ZIP code only.

• 11 Jun 2021 · Plumbing · ZIP 90008INSTALLATION OF SEISMIC GAS SHUT OFF VALVE IN A LOW PRESSURE GAS SYSTE
• 18 Mar 2021 · Plumbing · ZIP 90008PLUMBING T.I. AND REVISION TO PREVIOUSLY APPROVED PLANS UNDER 19042-10
• 4 Mar 2020 · Bldg-Alter/Repair · ZIP 90008Supplemental to permit application 17016-10000-17992 to change the poo

Why it ranks #3531 of 9,857 general contractors in Los Angeles

Score 65 / 100. Claiming this listing or using Theo never changes it. How we rank