40455 Hwy 41, Oakhurst, CA 93644 · Madera County
Is Bio-Tech (Biological Technology Inc) licensed?
Bio-Tech (Biological Technology Inc) appears on a California septic license or certification list. The Septic Guide matched these credentials to the issuing agency's published list as of October 2026; confirm the current status with the agency before you hire.
| Credential | Number | Issued by | Verify |
|---|---|---|---|
| California Licensed Contractor (A, C34, C42, C57) | 477941 | California Contractors State License Board | Agency lookup |
A matched credential shows the holder was on the agency's list when we checked. It does not by itself authorize every kind of septic work: an installer license, a pumper license and an inspector certification are different credentials.
What septic services does Bio-Tech (Biological Technology Inc) offer?
Found on Bio-Tech (Biological Technology Inc)'s website: Septic tank pumping, Septic system installation, Drain field repair, Aerobic septic systems.
Ask Bio-Tech (Biological Technology Inc) to confirm it handles your specific job and service area. Guides: Septic tank pumping · Septic system installation · Drain field repair · Aerobic septic systems.
Before you hire Bio-Tech (Biological Technology Inc)
- Check the license on the agency lookup above and ask which person holds it.
- Ask who pulls the permit and whether the fee is in the quote.
- Ask for proof of liability insurance sent by the insurer.
- Get the scope and price in writing. How to check a septic license.
Is this your business? Correct or update this listing. Listing data: state license lists and public business information, as of October 2026. Not an endorsement.