NEHA Certified Inspectors in California
(Certified for Radon Measurement)
General Radon Information
| Company | Inspector | City | County |
| Weiss Associates | Tim Utterback | Emeryville | Alameda |
| RGA Environmental, Inc | Remington Caldwell | Emeryville | Alameda |
| Forensic Analytical | Gustavo A. Delgado | Hayward | Alameda |
| Kellco Environmental Services | Derrick Quach | Hayward | Alameda |
| Kellco Services, Inc. | Bonnie Lee Kellogg | Hayward | Alameda |
| Forensic Analytical | Joseph F. Filan | Hayward | Alameda |
| SCA Environmental Inc | Kung Zhow "Joseph" Young | San Pablo | Contra Costa |
| Environmental Inspections & Construction | James C. Gorman | South Lake Tahoe | El Dorado |
| Krazan & Associates, Inc. | Jeffrey R. Noel | Clovis | Fresno |
| Kleinfelder | Michael L. Mauzy | Fresno | Fresno |
| Indoor Safety, Inc. | Alexander Tishbi | Beverly Hills | Los Angeles |
| Affordable Inspection Services, Inc. | B.J. Rogers | Chatsworth | Los Angeles |
| Andersen Environmental | Dennis Ironi | Culver City | Los Angeles |
| Andersen Environmental | Adam Nelson | Culver City | Los Angeles |
| DL Science, Inc | David L. Lucero | El Segundo | Los Angeles |
| Partner Engineering and Science | Supaporn Krobthong | El Segundo | Los Angeles |
| US Inspect, LLC | Larry Reader | Encino | Los Angeles |
| Coffey Environments | Tonya Bunn | Harbor City | Los Angeles |
| Coffey Environments | Christine Jordan | Harbor City | Los Angeles |
| Coffey Environments | David W. Smith | Long Beach | Los Angeles |
| Coffey Environments | Kristyn Drake | Long Beach | Los Angeles |
| Coffey Environments | Jonathan E. Barkman | Long Beach | Los Angeles |
| Evenor A. Masis | Los Angeles | Los Angeles | |
| CKG Contractors Inc dba Koonce Consulting | Charles C Koonce | Northridge | Los Angeles |
| Environmental Inspection Services | Murray Harreschou | Santa Monica | Los Angeles |
| Sierra Environmental Consulting | Cary M. Rubin | Sierra Madre | Los Angeles |
| RMS Environmental Inspections Svcs | Ruben Marcos Sanchez | Novato | Marin |
| Enright Construction | Greg Enright | Crowley Lake | Mono |
| County of Los Angeles Dept of Public Health | Robert P. Vasquez | Fullerton | Orange |
| Guaranteed Property Inspections | Steve Zivolich | Irvine | Orange |
| Brad Dales | Irvine | Orange | |
| Toxic Testing, LLC | Mariann Long | Irvine | Orange |
| Integrated Property Analysis | Michael Atallah | Irvine | Orange |
| Healthy Buildings | Joshua E. Hoover | Lake Forest | Orange |
| Tahoe Mold & Water Inc | Edward (Ned) Riley | Tahoe City | Placer |
| NCI | C. Fred Allison | Corona | Riverside |
| Richard O. Opperud | Corona | Riverside | |
| Versar, Inc | Lawrence Kleinecke | Fair Oaks | Sacramento |
| Enercon Services, Inc | David Sendek | Sacramento | Sacramento |
| Pacific West Property Inspections, Inc. dba Housemaster | Bruce H. Howe | Hollister | San Benito |
| H.M. Pitt Labs, Inc | Glenn W. Montague | National City | San Diego |
| H.M. Pitt Labs, Inc | Jeffrey Pluta | National City | San Diego |
| SCA Environmental Inc | Tony Kai Ho Poon | San Francisco | San Francisco |
| Test 4 Radon | Karla Newman | Cambria | San Luis Obispo |
| ProTech Consulting & Engineering | Ronald Mason | Redwood City | San Mateo |
| Wood Environmental Services | Judy Wood | Santa Barbara | Santa Barbara |
| Radon Reduction and Research | Willard E. Hobbs | Santa Barbara | Santa Barbara |
| Radon Testing Services | Reveann J. Ellrott | Moorpark | Ventura |
| Forbess Consulting Group | William Miller | Ojai | Ventura |