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Roofing · Electrical contractorMission Hills, CA

Diamond Construction And Waterproofing Inc

Licensed since 2013 · Corporation · 4 building permits on record

CSLB #988451 · ActiveWorkers' comp insuredBonded $25,000
License classes
B General BuildingC-8 ConcreteC-10 ElectricalC-15 FlooringC-20 HVACC-36 PlumbingC-39 Roofing
4
Permits on record
1 jurisdiction
0
Permits in 3 years
last Apr 4, 2022

Work history

Building permits: City of Los Angeles

Permits by year

220191202012022
Data covers City of Los Angeles 2006–Oct 2026.

What they build

Remodel / addition
2
Plumbing
1
Electrical
1

Most recent permits

IssuedWorkJurisdictionZIP
Apr 4, 2022Remodel / additionCity of Los Angeles90731
Apr 30, 2020ElectricalCity of Los Angeles90061
Dec 24, 2019PlumbingCity of Los Angeles90744
Dec 10, 2019Remodel / additionCity of Los Angeles90731
Only the type of work, date and ZIP are shown — never homeowner names or street addresses.
Permits are matched to this contractor by CSLB license number on the permit

Where they work

Building permits

Jurisdictions

Los Angeles
4

Top ZIP codes

  • ZIP 907312
  • ZIP 907441
  • ZIP 900611
Area is where permits were issued, not the office address

License, bond & insurance

California Contractors State License Board
  • CSLB license#988451 · Active
  • Business typeCorporation
  • Issued · expiresNov 14, 2013 · Nov 30, 2027
  • OfficeMission Hills, CA 91345
  • CSLB record updatedMay 18, 2026
  • Contractor bond$25,000 · since Jan 1, 2023
  • Bond companyAmerican Contractors Indemnity Company
  • Workers' compensationWorkers' Compensation Insurance · until Apr 16, 2027
  • InsurerRochdale Insurance Company

License classes

B General BuildingC-8 ConcreteC-10 ElectricalC-15 FlooringC-20 HVACC-36 PlumbingC-39 Roofing
Always confirm a license on cslb.ca.gov before signingCheck another license

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Questions & answers

Is Diamond Construction And Waterproofing Inc licensed?
CSLB license #988451 is active, issued Nov 14, 2013 and valid through Nov 30, 2027, with classes B, C-8, C-10, C-15, C-20, C-36, C-39.
Is Diamond Construction And Waterproofing Inc insured and bonded?
CSLB lists workers' compensation insurance with Rochdale Insurance Company until Apr 16, 2027 and a $25,000 contractor bond with American Contractors Indemnity Company.
How many jobs has Diamond Construction And Waterproofing Inc done?
Building permits name the company on 4 jobs, including 2 remodel / addition, 1 plumbing, 1 electrical.
Where does Diamond Construction And Waterproofing Inc work?
Most permits are in City of Los Angeles.

Sources

  1. Contractors State License Board — license, bond and workers' comp records (May 18, 2026).
  2. Building permits — City of Los Angeles.
Answers use only the facts on this pageIs this your business? Update listing