California Radon Testing provides commercial and residential radon testing throughout Northern California.  We are certified to perform both residential and multi-family radon testing (including HUD) by the National Environmental Health Association, National Radon Proficiency Program and the State of California



Initially certified in August 2010, Mr. Kleinecke has conducted radon testing at residential homes, multi-family buildings, commercial buildings and schools. He is certified in California to perform short term and long term testing in residential and multi-family homes. His experience and training provides our clients with reliable testing and findings.


Many of our clients are residential customers requesting short term testing as part of a home purchase.  These tests are performed quickly and easily, at low cost.  

Multi-family projects and HUD testing requires multiple tests and compliance with technical protocols. This testing is performed quickly and efficiently with little disruption to facility personnel and tenants. 


California Radon Testing is owned and operated by Lawrence Kleinecke, NEHA Certification # 106022 RT. Mr. Kleinecke has worked as an Environmental Consultant for over 25 years and is highly experienced in site investigation and mitigation.  He has been a NEHA-NRPP, California Certified Radon Tester since August 2010.  He maintains his certification through continued education and biannual recertification. In 2018, Mr. Kleinecke was recertified as a Residential Measurement Provider and additionally certified in Multi-Family Measurement.

He routinely works with realtors and home buyers to complete short-term testing quickly and efficiently. He responds quickly to requests for testing and is willing to travel. The testing methods are safe and effective, and can be performed even with residents in the home.


P.O. Box 1338

Wheatland, CA 95692

(916) 802-1329


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