On Site Plumbing & Septic, C-36 Plumbing Contractor in Atascadero, CA
On Site Plumbing & Septic operating as a sole owner holds California contractor license #1125955, which is currently expired (lapsed Sep 30, 2026) and not valid to contract until it is renewed. First issued in 2024, the license has been on the CSLB roster for 2 years. It carries a single CSLB classification: C-36 — Plumbing 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 Atascadero, in San Luis Obispo County, California.
- License Number
- 1125955
- Issued
- Sep 5, 2024
- Status
- CLEAR
- Expires
- Sep 30, 2026
- Entity
- Sole Owner
- Surety
- American Contractors Indemnity Company
- Bond Number
- 100876705
- Effective
- Jul 23, 2024
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Aug 13, 2024
- Expires
- —
This contractor has a compliance issue in its public CSLB record:
- License expired
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is On Site Plumbing & Septic licensed in California?
On Site Plumbing & Septic previously held California Contractors State License Board license number 1125955, but the license expired on September 30, 2026 and is not currently valid. It was first issued on September 5, 2024.
What does On Site Plumbing & Septic specialize in?
On Site Plumbing & Septic is licensed for one CSLB classification: C-36 Plumbing Contractor.
Where is On Site Plumbing & Septic headquartered?
On Site Plumbing & Septic is headquartered at P O Box 1503, Atascadero, CA 93423, in San Luis Obispo County, California.
Does On Site Plumbing & Septic have an active surety bond on file with CSLB?
Yes. On Site Plumbing & Septic has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does On Site Plumbing & Septic carry workers' compensation coverage?
On Site Plumbing & Septic reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify On Site Plumbing & Septic's contractor license?
You can verify On Site Plumbing & Septic's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1125955.
- Bond activeJul 23, 2024
- WC coverage startsAug 13, 2024
- License issuedSep 5, 2024
- License expiredSep 30, 2026
- Culligan San Paso CO#195300Grover Beach·C-36 Plumbing Contractor
- Jackson Justin Plumbing Service#356428Grover Beach·C-36 Plumbing Contractor
- Joseph O Clark#371716Cayucos·B General Building Contractor
- Knecht's Plumbing & Heating INC#373936San Luis Obispo·B General Building Contractor
- Bruington Robert Kenneth#364066Los Osos·B General Building Contractor
- Jarzynski James A#387614Paso Robles·B General Building Contractor
- Potter Plumbing INC#286789Cambria·C-36 Plumbing Contractor
- Tierney Construction#280750Cambria·A General Engineering Contractor
Working a California job with On Site Plumbing & Septic, 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 On Site Plumbing & Septic? Claim or correct this profile