Keystone Construction Inc

Report card

• Licence activeCSLB #797889, class B, C10. Issued 30 Jul 2001, expires 31 Jul 2027.
• Licensed 25 yrsSince 30 Jul 2001.
• 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 9089956, valid to 1 Feb 2027.
• Clean CSLB recordNo citations, complaints or legal actions disclosed.CSLB record
• Website shows the licenceTheir own site displays licence #797889.
• 6 building permits since 2020Pulled under this licence (City of Los Angeles, LADBS), most recently 21 Feb 2023.

Checked against the Contractors State License Board (CSLB) register on 3 Nov 2026.

About Keystone Construction Inc

Keystone Construction Inc. is an electrical contractor in Los Angeles that provides electrical and construction services.

Founded

1997

People on the licence

Young Bum Park (qualifier, CEO and president)

• Lighting

From Keystone Construction Inc's own website, read 3 Nov 2026. We only show what the site states.

Recent permits

Building permits pulled under licence #797889, from City of Los Angeles, LADBS open data. Locations are shown to ZIP code only.

• 21 Feb 2023 · Electrical · ZIP 90028Apartment
• 29 Jul 2021 · Bldg-Alter/Repair · ZIP 91423SUPPLEMENTAL TO PERMIT 18014-10000-02460 TO CAPTURE CHANGE IN THE FOUN
• 21 Jul 2021 · Electrical · ZIP 90006Apartment
• 11 May 2021 · Electrical · ZIP 91423Commercial
• 2 Jun 2020 · Bldg-Addition · ZIP 91423(1)CHANGE OF USE FROM "RETAIL' TO "RESTAURANT" (2)ADDITION OF 163SF (3

Why it ranks #241 of 2,713 electricians in Los Angeles

Score 77.7 / 100. Claiming this listing or using Theo never changes it. How we rank