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Electrical contractorLos Angeles, CA

Keystone Construction Inc

Licensed since 2001 · Corporation · 9 building permits on record

CSLB #797889 · ActiveWorkers' comp insuredBonded $25,000
License classes
B General BuildingC-10 Electrical
9
Permits on record
1 jurisdiction
0
Permits in 3 years
last Feb 21, 2023

Work history

Building permits: City of Los Angeles

Permits by year

32019220203202112023
Data covers City of Los Angeles 2006–Oct 2026.

What they build

Electrical
6
Remodel / addition
2
Other building work
1

Most recent permits

IssuedWorkJurisdictionZIP
Feb 21, 2023ElectricalCity of Los Angeles90028
Jul 29, 2021Remodel / additionCity of Los Angeles91423
Jul 21, 2021ElectricalCity of Los Angeles90006
May 11, 2021ElectricalCity of Los Angeles91423
Jun 2, 2020Remodel / additionCity of Los Angeles91423
Jun 2, 2020Other building workCity of Los Angeles91423
Dec 23, 2019ElectricalCity of Los Angeles90035
Jul 30, 2019ElectricalCity of Los Angeles90014
Jul 18, 2019ElectricalCity of Los Angeles90035
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
9

Top ZIP codes

  • ZIP 914234
  • ZIP 900352
  • ZIP 900141
  • ZIP 900061
  • ZIP 900281
Area is where permits were issued, not the office address

License, bond & insurance

California Contractors State License Board
  • CSLB license#797889 · Active
  • Business typeCorporation
  • Issued · expiresJul 30, 2001 · Jul 31, 2027
  • OfficeLos Angeles, CA 90004
  • CSLB record updatedJan 16, 2026
  • Contractor bond$25,000 · since Jan 1, 2023
  • Bond companyAmerican Contractors Indemnity Company
  • Workers' compensationWorkers' Compensation Insurance · until Feb 1, 2027
  • InsurerState Compensation Insurance Fund

License classes

B General BuildingC-10 Electrical
Always confirm a license on cslb.ca.gov before signingCheck another license

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Questions & answers

Is Keystone Construction Inc licensed?
CSLB license #797889 is active, issued Jul 30, 2001 and valid through Jul 31, 2027, with classes B, C-10.
Is Keystone Construction Inc insured and bonded?
CSLB lists workers' compensation insurance with State Compensation Insurance Fund until Feb 1, 2027 and a $25,000 contractor bond with American Contractors Indemnity Company.
How many jobs has Keystone Construction Inc done?
Building permits name the company on 9 jobs, including 6 electrical, 2 remodel / addition, 1 other building work.
Where does Keystone Construction Inc work?
Most permits are in City of Los Angeles.

Sources

  1. Contractors State License Board — license, bond and workers' comp records (Jan 16, 2026).
  2. Building permits — City of Los Angeles.
Answers use only the facts on this pageIs this your business? Update listing