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Diamond Construction and Waterproofing Inc

Licensed roofer, electrician, plumber, HVAC contractor in Mission Hills, Los Angeles, California

CSLB licence activeNo Google reviews yet

Diamond Construction and Waterproofing Inc holds CSLB licence 988451, active, licensed since 14 Nov 2013. Bonded for $25,000 with American Contractors Indemnity Company. Clean CSLB record, with no citations, complaints or legal actions disclosed.

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Report card

  • Licence activeCSLB #988451, class B, C-8, C10, C15, C20, C36, C39. Issued 14 Nov 2013, expires 30 Nov 2027.
  • Licensed 13 yrsSince 14 Nov 2013.
  • Bonded$25,000 with American Contractors Indemnity Company, since 1 Jan 2023. California requires the same $25,000 bond of every contractor.
  • Workers' comp insuredRochdale Insurance Company, policy JWC0700238202, valid to 16 Apr 2027.
  • Clean CSLB recordNo citations, complaints or legal actions disclosed.CSLB record
  • 2 building permits since 2020Pulled under this licence (City of Los Angeles, LADBS), most recently 4 Apr 2022.

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

About Diamond Construction and Waterproofing Inc

People on the licence
Tibor Itskovich (qualifier), Jose Antonio Clavel (CEO and president)

Recent permits

Building permits pulled under licence #988451, from City of Los Angeles, LADBS open data. Locations are shown to ZIP code only.

  • 4 Apr 2022 · Bldg-Alter/Repair · ZIP 90731INTERIOR REMODEL (E) ONE STORY SFD AND CONVERT ATTIC SPACE TO LIVABLE
  • 30 Apr 2020 · Electrical · ZIP 900611 or 2 Family Dwelling

OSHA inspections

  • 24 Oct 2025 · Complaint4 violations, $1,960 penalty · case

US Department of Labor enforcement data, matched by business name and city.

Why it ranks #275 of 518 roofers in Los Angeles

Years licensed weight 3065%
Complaint record weight 25100%
Bond and workers' comp weight 10100%
Google reviews weight 350%

Score 54.5 / 100. Claiming this listing or using Theo never changes it. How we rank

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