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Bottala John LawrenceLicensed

Licensed septic contractor based in Sierra Madre, Los Angeles County, CA

License details

License number	1016647
License type	Sanitation System Contractor (C-42)
License status	Active, CSLB license CLEAR
License expires	July 31, 2028
Based in	Sierra Madre, Los Angeles County, California 91024

"Based in" is the city and county of the address on the business's license record.

What this license covers

Installation / repair: licensed to build and install septic tanks and drainfields, and to repair or replace failed ones.

How to verify this license

We publish the license details exactly as they appear in the public licensing records of the agency that issued the license; we do not vouch for the business itself. Before hiring, look up license #1016647 directly with the agency that issued it, confirm it is still active, and ask for a current certificate of insurance.

Source: California Contractors State License Board (CSLB), last checked 2026-08-17. Look it up at the issuing agency.

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See every listing based in Los Angeles County or in Sierra Madre.