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Electrical contractorPasadena, CA

Acco Engineered Systems

Licensed since 1950 · Corporation · 944 building permits on record

CSLB #120696 · ActiveWorkers' comp insuredBonded $25,000Verified website
License classes
A General EngineeringB General BuildingC-4 Boiler, Hot Water Heating & Steam FittingC-10 ElectricalC-16 Fire ProtectionC-20 HVACC-36 PlumbingC-38 RefrigerationC-42 Sanitation System
944
Permits on record
5 jurisdictions
32
Permits in 3 years
last Mar 26, 2026
11
Roofing jobs
re-roofs and repairs

Work history

Building permits: City of Los Angeles, City of Anaheim, San Diego County, City of Huntington Beach …

Permits by year

27920192002020172202117320228620238202421202532026
Data covers City of Los Angeles 2006–Oct 2026; City of Anaheim 1999–Sep 2026; San Diego County 2024–Oct 2026; City of Huntington Beach 2024–Oct 2026; City of Palmdale 2023–Oct 2026.

What they build

HVAC
628
Plumbing
208
Other building work
44
Electrical
35
Remodel / addition
18
Roofing
11

Most recent permits

IssuedWorkJurisdictionZIP
Mar 26, 2026PlumbingCity of Anaheim—
Feb 17, 2026Remodel / additionSan Diego County92154
Feb 5, 2026PlumbingCity of Anaheim—
Dec 29, 2025Other building workCity of Anaheim—
Nov 23, 2025ElectricalCity of Anaheim—
Nov 20, 2025PlumbingCity of Anaheim—
Oct 20, 2025Remodel / additionSan Diego County92040
Oct 2, 2025Remodel / additionSan Diego County92025
Sep 21, 2025PlumbingCity of Anaheim—
Sep 8, 2025ElectricalCity of Anaheim—
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
910
Anaheim
29
San Diego County
3
Huntington Beach
1
Palmdale
1

Top ZIP codes

  • ZIP 9002895
  • ZIP 9006782
  • ZIP 9007175
  • ZIP 9001770
  • ZIP 9001568
  • ZIP 9001242
  • ZIP 9160635
  • ZIP 9006435
Area is where permits were issued, not the office address

License, bond & insurance

California Contractors State License Board
  • CSLB license#120696 · Active
  • Business typeCorporation
  • Issued · expiresJul 24, 1950 · Dec 31, 2027
  • OfficePasadena, CA 91101
  • CSLB record updatedOct 2, 2026
  • Contractor bond$25,000 · since Dec 31, 2025
  • Bond companyFidelity And Deposit Company Of Maryland
  • Workers' compensationWorkers' Compensation Insurance · until Oct 1, 2027
  • InsurerLm Insurance Corporation

License classes

A General EngineeringB General BuildingC-4 Boiler, Hot Water Heating & Steam FittingC-10 ElectricalC-16 Fire ProtectionC-20 HVACC-36 PlumbingC-38 RefrigerationC-42 Sanitation System
Always confirm a license on cslb.ca.gov before signingCheck another license

About the company

accoes.com

Services

HVAC
  • Websiteaccoes.com
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 Acco Engineered Systems licensed?
CSLB license #120696 is active, issued Jul 24, 1950 and valid through Dec 31, 2027, with classes A, B, C-4, C-10, C-16, C-20, C-36, C-38, C-42.
Is Acco Engineered Systems insured and bonded?
CSLB lists workers' compensation insurance with Lm Insurance Corporation until Oct 1, 2027 and a $25,000 contractor bond with Fidelity And Deposit Company Of Maryland.
How many jobs has Acco Engineered Systems done?
Building permits name the company on 944 jobs, including 628 hvac, 208 plumbing, 44 other building work.
Where does Acco Engineered Systems work?
Most permits are in City of Los Angeles, City of Anaheim, San Diego County.

Sources

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