Roser D John Inc

Licensed since 1987 · Corporation · No building permits on record yet

CSLB #506778 · ActiveWorkers' comp insuredBonded $25,000

License classes

A General EngineeringASB Asbestos CertificationB General BuildingC-8 ConcreteC-10 ElectricalC-12 Earthwork & PavingC-13 FencingC-27 LandscapingC-36 Plumbing

License, bond & insurance

California Contractors State License Board

CSLB license#506778 · Active
Business typeCorporation
Issued · expiresMar 9, 1987 · Mar 31, 2027
OfficeWestlake Village, CA 91362
CSLB record updatedSep 29, 2025

Contractor bond$25,000 · since Jan 1, 2023
Bond companyAmerican Contractors Indemnity Company
Workers' compensationWorkers' Compensation Insurance · until Jul 1, 2027
InsurerState Compensation Insurance Fund

License classes

A General EngineeringASB Asbestos CertificationB General BuildingC-8 ConcreteC-10 ElectricalC-12 Earthwork & PavingC-13 FencingC-27 LandscapingC-36 Plumbing

Always confirm a license on cslb.ca.gov before signingCheck another license

Similar contractors nearby

All electricians in Ventura County

SW

South West Builders

Simi Valley, CA · CSLB #1012298

57 permits in 3 years308 solar

ND

Next Door Home Upgrades

Simi Valley, CA · CSLB #1054136

27 permits in 3 years53 solar

SE

Sonpower Energy Inc

Thousand Oaks, CA · CSLB #962785

21 permits in 3 years

TE

Taft Electric Company

Ventura, CA · CSLB #772245

8 permits in 3 years1 solar

RE

R3 Electric Inc

Camarillo, CA · CSLB #936205

8 permits in 3 years

VE

Volta Electric Inc

Westlake Village, CA · CSLB #1100197

3 permits in 3 years

Same county and trade, ranked by permits in the last 3 years

Questions & answers

Is Roser D John Inc licensed?

CSLB license #506778 is active, issued Mar 9, 1987 and valid through Mar 31, 2027, with classes A, ASB, B, C-8, C-10, C-12, C-13, C-27, C-36.

Is Roser D John Inc insured and bonded?

CSLB lists workers' compensation insurance with State Compensation Insurance Fund until Jul 1, 2027 and a $25,000 contractor bond with American Contractors Indemnity Company.

Sources

Contractors State License Board — license, bond and workers' comp records (Sep 29, 2025).

Answers use only the facts on this pageIs this your business? Update listing