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California

State Radon Office Contact
Gonzalo L. Perez
gonzalo.perez@cdph.ca.gov
(916) 440-7942
Radon Office Website

The trained experts listed below have demonstrated their knowledge and capability by passing a national competency exam. Each is required to complete regular continuing education classes, submit proof of satisfactory proficiency demonstrations, follow a rigorous quality assurance plan and adhere to a strict code of ethics. The National Radon Proficiency Program (NRPP) serves as the credentialing division of AARST.

The EPA and your state health department strongly recommend that ALL home buyers and owners have their home tested for indoor radon.

Search results - 76 professionals found - Click on the entries below for more information.
Provider
Certified for
Measurement
Certified for
Mitigation
California
State Licensed
Kevin Minto
Signet Home Inspections, LLC
Auburn, CA 95602
Samuel Harreschou
Environmental Inspection Services
Berkeley, CA 94709
Oleksandr Zhdanyuk
Forinsic Analytical Consulting Services
Citrus Heights, CA 95621
Sean Paradine
Nova Consulting Group, Inc.
Claremont, CA 91711
Jeffrey R. Noel
Krazan & Associates, Inc.
Clovis, CA 93612
Jordan Heichman
Nor Cal Radon Mitigation
Diamond Springs, CA 95619
Michael Lee
National Analytical Laboratories, Inc.
El Dorado Hills, CA 95762
David L. Lucero
DL Science, Inc.
El Segundo, CA 90245
Remington Caldwell
RGA / Terracon, Inc.
Emeryville, CA 94608
Timothy Robert Utterback
Weiss Associates
Emeryville, CA 94608
David Ahmadi
South Coast Environmental Consulting Group, Inc.
Encino, CA 91436
David Graves
Fresno Radon Mitigation
Fresno, CA 93710
William Mayes
SierraWest Group, Inc.
Fresno, CA 93711
Robert P. Vasquez
County of Los Angeles Dept of Public Health
Fullerton, CA 92835
Daniel J Armstrong
Risknomics llc
Gardena, CA 90248
Russell Vaughn
Air Quality Consultants
Grass Valley, CA 95945
Gustavo A. Delgado
Forensic Analytical Laboratories, Inc.
Hayward, CA 94545
Bonnie Lee Kellogg
KELLCO Services, Inc.
Hayward, CA 94545
Derrik Quach
KELLCO Services, Inc.
Hayward, CA 94545
Peter K. Mandel
MG Remediation, Inc.
Hayward, CA 94545
Tony Mashhour
Consulting Solutions, Inc.
Lancaster, CA 93536
Christine Jordan
Alta Environmental
Long Beach, CA 90807
Daniel Prater
Risknomics, LLC
Long Beach, CA 90804
Evenor A. Masis

Los Angeles, CA 90034
Heri Rodriguez
ACC Environmental Consultants, Inc.
Los Angeles, CA 90017
Michael Pinkerton
EFI Global
Los Angeles, CA 90045
Dennis Ironi
EFI Global, Inc.
Los Angeles, CA 90045
Troy Sciumbato
Pillar to Post Home Inspectors
Madera, CA 93636
Johnny Hawkins
Healthy Buildings
Manhattan Beach, CA 90266
Jason Trabakoolas
Build It Construction, Inc.
Monterey, CA 93942
Reveann J. Ellrott
Radon Testing Services
Moorpark, CA 93021
Gavin Healy
Balance Point Home Performance
Nevada City, CA 95959
Matthew Sanders
Rush Quality Environments
Northridge, CA 91326
Ruben Marcos Sanchez
RMS Environmental Inspections Svcs
Novato, CA 94948
Trevor Marion
Essel Environmental Consulting
Oakland, CA 94606
David Teter
Millennium Consulting Associates
Oakland, CA 94621
Asha Turman
Ninyo & Moore
Oakland, CA 94612
Elizabeth French
Nova Consulting Group, Inc.
Oakland, CA 94611
William Miller
Forbess Consulting Group
Ojai, CA 93023
David P. Tillema
Stech Consulting
Ontario, CA 91762
Casandra Williams
A-Tech Consulting, Inc.
Orange, CA 92867
Alan Steven Benavente
A5 Environmental
Pasadena, CA 91101
Henry Hiep Vu
Swift Svc LLC
Pinole, CA 94564
Alicia Ruth Jansen
Stantec Consulting Services, Inc.
Redlands, CA 92374
Ronald Mason
ProTech Consulting & Engineering
Redwood City, CA 94063
David Sendek

Roseville, CA 95661
Brian L. Dale

Sacramento, CA 95820
Cory Martini
Partner Engineering and Science, Inc.
Sacramento, CA 95814
Roland Walker
Walker Property Evaluation Services
San Bruno, CA 94066
Darioush T. Ghahremani, Ph.D.
Radon Survey Systems, Inc.
San Diego, CA 92198
Tucker Kalman
SCA Environmental
San Francisco, CA 94107
Terri MacFarlane
Benchmark Environmental Engineering
San Jose, CA 95136
Andrea Stammreich
Stammreich Enterprises LLC dba Pillar to Post Home Inspections
San Pedro, CA 90732
Gyan L Rusconi-Rodrigues
ATC Group Services, LLC
San Ramon, CA 94583
John Henderson
Apex Building & Restoration, Inc. DBA John Henderson Constructio
Santa Barbara, CA 93105
Judy Wood
Wood Environmental Services
Santa Barbara, CA 93110
Tanya Tallino
Air Lab Consulting, Inc.
Seal Beach, CA 90740
Humphrey Laurent
Air Lab Consulting, Inc.
Seal Beach, CA 90740
Steve Zivolich
Sherlock Homes & Mold Inspection
Sebastopol, CA 95472
Brett Allen Lehman
Brett Lehman
Soda Springs, CA 95728
Fred Ellrott

Somis, CA 93066
Alan Johnson
City of South Lake Tahoe
South Lake Tahoe, CA 96150
James C. Gorman
Environmental Inspections & Construction, Inc.
South Lake Tahoe, CA 96150
Brandon Ford
Environmental Inspections & Construction, Inc.
South Lake Tahoe, CA 96150
Edward (Ned) Riley
Tahoe Mold & Water, Inc.
Tahoe City, CA 96145
Eddie Huchingson
Healthy Home Construction Services
Thousand Oaks, CA 91360
Brian Williams
Partner Engineering and Science, Inc.
Torrance, CA 90501
Stephen Saturno
Saturno Home Inspection
Truckee, CA 96161
Jeremy Kenneth Gress

Tustin, CA 92782
Jennifer Van
Terracon Consultants, Inc.
Tustin, CA 92780
Deanna Lee
Nova Consulting Group, Inc.
Valencia, CA 91381
Michael Atallah
Integrated Property Analysis, Inc.
Vista, CA 92083
Alain Grissette
AEI Consultants
Walnut Creek, CA 94597
Howard Giang, P.E., T.E.
Attwater Home Inspection
West Sacramento, CA 95691
Jason Gregory
J.W.G. Construction
Westlake Village, CA 91361
Lawrence Kleinecke
California Radon Testing
Wheatland, CA 95692