Harding William C, B General Building Contractor in San Diego, CA
Harding William C operating as a partnership holds an active California contractor license (CSLB #452930), valid through Feb 29, 2028. First issued in 1984, the license has been on the CSLB roster for 42 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 San Diego, in San Diego County, California.
- License Number
- 452930
- Issued
- Feb 27, 1984
- Status
- CLEAR
- Expires
- Feb 29, 2028
- Entity
- Partnership
- Surety
- American Contractors Indemnity Company
- Bond Number
- SC6347410
- Effective
- Jan 1, 2023
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Jan 16, 2026
- 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 Harding William C licensed in California?
Yes. Harding William C holds California Contractors State License Board license number 452930, which is active and in good standing. The license was first issued on February 27, 1984. It is valid through February 29, 2028.
What does Harding William C specialize in?
Harding William C is licensed for one CSLB classification: B General Building Contractor.
Where is Harding William C headquartered?
Harding William C is headquartered at P O Box 270468, San Diego, CA 92198, in San Diego County, California.
Does Harding William C have an active surety bond on file with CSLB?
Yes. Harding William C has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does Harding William C carry workers' compensation coverage?
Harding William C reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Harding William C's contractor license?
You can verify Harding William C's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=452930.
- License issuedFeb 27, 1984
- Bond activeJan 1, 2023
- WC coverage startsJan 16, 2026
- License expiresFeb 29, 2028
- Windmill Construction Company#289564Lakeside·B General Building Contractor
- Eco Services#290497San Diego·B General Building Contractor
- M V W General Contractor#292907Escondido·B General Building Contractor
- Vail Company INC the#293515Encinitas·B General Building Contractor
- Merritt B H#291323Carlsbad·B General Building Contractor
- Cartwright Termite & Pest Control INC#290964El Cajon·B General Building Contractor
- Strong Construction CO INC#292431San Diego·B General Building Contractor
- Telliard Construction#292472San Diego·A General Engineering Contractor
Working a California job with Harding William C, 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 Harding William C? Claim or correct this profile