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Solar · Roofing contractorEl Segundo, CA

Mac Greine Energy Corp

Licensed since 2015 · Corporation · 196 building permits on record

CSLB #1000366 · ActiveWorkers' comp insuredBonded $25,000Verified website
License classes
C-39 RoofingC-46 Solar
196
Permits on record
1 jurisdiction
0
Permits in 3 years
last May 4, 2023
22
Solar systems

Work history

Building permits: City of Los Angeles

Permits by year

1702019220201420219202212023
Data covers City of Los Angeles 2006–Oct 2026.

What they build

Plumbing
91
Electrical
73
Solar
22
Other building work
10

Most recent permits

IssuedWorkJurisdictionZIP
May 4, 2023ElectricalCity of Los Angeles90037
Dec 21, 2022ElectricalCity of Los Angeles90272
Dec 20, 2022ElectricalCity of Los Angeles90016
Dec 20, 2022ElectricalCity of Los Angeles90016
Dec 20, 2022ElectricalCity of Los Angeles90016
Dec 15, 2022ElectricalCity of Los Angeles90016
Apr 25, 2022ElectricalCity of Los Angeles90019
Apr 25, 2022ElectricalCity of Los Angeles90019
Apr 25, 2022ElectricalCity of Los Angeles90019
Apr 25, 2022ElectricalCity of Los Angeles90019
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
196

Top ZIP codes

  • ZIP 9004469
  • ZIP 9001840
  • ZIP 9003739
  • ZIP 9004712
  • ZIP 900198
  • ZIP 900335
  • ZIP 900165
  • ZIP 900294
Area is where permits were issued, not the office address

License, bond & insurance

California Contractors State License Board
  • CSLB license#1000366 · Active
  • Business typeCorporation
  • Issued · expiresJan 20, 2015 · Jan 31, 2027
  • OfficeEl Segundo, CA 90245
  • CSLB record updatedSep 3, 2026
  • Contractor bond$25,000 · since Sep 29, 2025
  • Bond companyPhiladelphia Indemnity Insurance Company
  • Workers' compensationWorkers' Compensation Insurance · until Mar 11, 2027
  • InsurerMidwest Employers Casualty Company

License classes

C-39 RoofingC-46 Solar
Always confirm a license on cslb.ca.gov before signingCheck another license

About the company

macgreineenergy.com

Services

CommercialFinancingFree estimatesShingle roofSolar installation
  • Founded1989
  • Websitemacgreineenergy.com
  • Brands mentionedCanadian Solar, SMA
From the company's own website, checked Oct 8, 2026. Claims are the company's; we show where each came from.
Facts with links to the page they came from

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Questions & answers

Is Mac Greine Energy Corp licensed?
CSLB license #1000366 is active, issued Jan 20, 2015 and valid through Jan 31, 2027, with classes C-39, C-46.
Is Mac Greine Energy Corp insured and bonded?
CSLB lists workers' compensation insurance with Midwest Employers Casualty Company until Mar 11, 2027 and a $25,000 contractor bond with Philadelphia Indemnity Insurance Company.
How many jobs has Mac Greine Energy Corp done?
Building permits name the company on 196 jobs, including 91 plumbing, 73 electrical, 22 solar.
Where does Mac Greine Energy Corp work?
Most permits are in City of Los Angeles.

Sources

  1. Contractors State License Board — license, bond and workers' comp records (Sep 3, 2026).
  2. Building permits — City of Los Angeles.
  3. Company website — macgreineenergy.com (checked Oct 8, 2026).
Answers use only the facts on this pageIs this your business? Update listing