Johnston Construction, B General Building Contractor in Los Osos, CA
Johnston Construction operating as a sole owner holds an active California contractor license (CSLB #378472), valid through Jul 31, 2027. First issued in 1979, the license has been on the CSLB roster for 47 years. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with American Contractors Indemnity Company and an exempt workers' compensation status (no employees on payroll). The business is based in Los Osos, in San Luis Obispo County, California.
- License Number
- 378472
- Issued
- Jul 11, 1979
- Status
- CLEAR
- Expires
- Jul 31, 2027
- Entity
- Sole Owner
- Surety
- American Contractors Indemnity Company
- Bond Number
- SC565415
- Effective
- Jan 1, 2023
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Jun 16, 2025
- Expires
- —
This contractor warrants a closer look before contracting:
- Workers' comp listed as exempt
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Johnston Construction licensed in California?
Yes. Johnston Construction holds California Contractors State License Board license number 378472, which is active and in good standing. The license was first issued on July 11, 1979. It is valid through July 31, 2027.
What does Johnston Construction specialize in?
Johnston Construction is licensed for one CSLB classification: B General Building Contractor.
Where is Johnston Construction headquartered?
Johnston Construction is headquartered at P O Box 6542, Los Osos, CA 93412, in San Luis Obispo County, California.
Does Johnston Construction have an active surety bond on file with CSLB?
Yes. Johnston Construction has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does Johnston Construction carry workers' compensation coverage?
Johnston Construction reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Johnston Construction's contractor license?
You can verify Johnston Construction's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=378472.
- License issuedJul 11, 1979
- Bond activeJan 1, 2023
- WC coverage startsJun 16, 2025
- License expiresJul 31, 2027
- Carmel River Inn Management INC#360536Cambria·B General Building Contractor
- Bruington Robert Kenneth#364066Los Osos·B General Building Contractor
- Pahler Construction#363588Pismo Beach·B General Building Contractor
- Ramos Construction#363976Morro Bay·A General Engineering Contractor
- Dwight Thomas J Construction#362835Arroyo Grande·B General Building Contractor
- Plummer Arthur J#366022San Luis Obispo·B General Building Contractor
- Williams Construction CO#365134Los Osos·B General Building Contractor
- Chappell Construction#365076Arroyo Grande·B General Building Contractor
Working a California job with Johnston Construction, or chasing an unpaid invoice? These free tools track your mechanics lien deadlines and rights under California Civil Code §§8200–8848.
- California preliminary notice deadline calculatorFind your 20-day deadline and the lien rights at risk.
- Do I need a preliminary notice in California?Answer a few questions to see if the 20-day notice applies.
- Did I lose my California lien rights?Check whether your mechanics lien window has passed.
- Unpaid construction invoice in CaliforniaYour options and deadlines for collecting on a California job.
Own Johnston Construction? Claim or correct this profile