Environmental Testing in San Diego, CA

Same-day scheduling, in-house lab, and clear reports. RAE has served more than 50,000 San Diego homes and businesses since 2013.

Rarefied Air Environmental was founded in San Diego in 2013, and San Diego is still where the lab, the office, and most of the team live and work. Our headquarters is on Ruffin Road in Kearny Mesa, which means a tech can be at most San Diego County properties within hours, not days. That proximity matters when you are staring at a water leak, a renovation deadline, or a buyer who needs answers before closing.

We test for asbestos, mold, lead, bacteria from sewage backups, methamphetamine and fentanyl residue, VOCs and formaldehyde, allergens and nuisance dust, fire and smoke damage, and Poria fungus. Every sample is processed in our own California-accredited lab, Rarefied Air Analytical, which is why our turnaround times are shorter than firms that ship samples out of state. If you need same-day results, ask. We do it more often than most companies promise it.

Why San Diego Properties Need Local Expertise

San Diego is not one climate. It is a coastal strip with high humidity and marine layer fog, an inland mesa belt where temperatures swing more than the coast lets on, and an east county that hits triple digits in summer. Each microclimate creates different environmental risks, and the building stock varies just as much. A 1960s ranch in Clairemont, a 1920s craftsman in North Park, and a 2010 build in Carmel Valley each present a different set of materials, a different remediation history, and a different set of likely contaminants.

That local knowledge is the part you cannot import. We know which neighborhoods saw heavy asbestos in popcorn ceilings, which inland zip codes get flagged for elevated radon, where sewage backups concentrate after storms, and which commercial corridors had legacy industrial uses that still show up in soil and surface samples decades later. Every report we deliver is calibrated to that context.

Services Available in San Diego

Every service below is performed by California State licensed and certified technicians. Click any service for the full process, sample types, and turnaround information.

• Asbestos Testing in San Diego. DOSH-certified Asbestos Consultants and Site Surveillance Technicians. Surveys comply with City of San Diego and California state requirements for renovation and demolition. PCM air monitoring available with on-site results.
• Mold Testing in San Diego. Visual inspection, air sampling, surface sampling, moisture mapping, and lab analysis. Common where coastal humidity meets older construction with limited ventilation.
• Lead Testing in San Diego. XRF technology detects lead-based paint through every paint layer, with instant results in the field. Required for renovation of pre-1978 construction.
• Bacteria and Sewage Backup Testing. Sewage, flood, and Category 3 water contamination. Pre- and post-remediation verification.
• Methamphetamine and Fentanyl Surface Testing. Wipe sampling and laboratory analysis for property managers, landlords, and buyers concerned about prior occupancy.
• VOC and Formaldehyde Air Sampling. Identifies chemical compounds linked to off-gassing materials, recent renovation, and unexplained health complaints.
• Allergen Screening and Nuisance Dust Testing. Total Particle Analysis to identify what is in the dust and where it is coming from.
• Fire and Smoke Damage Assessments. Soot, VOC, and particulate testing with pre- and post-remediation evaluation.
• Poria Fungus Testing. Specialized fungal identification when standard mold testing is not enough.

San Diego Neighborhoods We Serve

We test throughout San Diego County, from the coastal communities down to the South Bay and out to the inland mesa neighborhoods. Click your neighborhood for detailed local information.

Do not see your neighborhood? We test throughout San Diego County. Call 619-485-0076 and we will confirm scheduling and pricing.

Why Property Owners, Contractors, and Realtors Choose RAE

• Our own lab. Rarefied Air Analytical, our California-accredited laboratory, opened in 2022. Samples never leave our chain of custody, which is why our turnaround is faster than firms that outsource analysis.
• Same-day and next-day scheduling. Time-sensitive work is the norm, not the exception. We hold open slots every day for emergency calls.
• Family-owned, San Diego based. Founders Bruce Rosenblatt and Matt Zar built this company in 2013 and still answer the phone. The team includes family members across the lab, billing, and scheduling.
• Reports that make sense. Plain language summaries written for owners, not just other inspectors. Every report tells you what we found, what it means, and what to do next.
• Insurance and restoration partner network. We work with restoration contractors, insurance adjusters, property managers, and real estate professionals across San Diego on hundreds of jobs each year.

Who We Work With in San Diego

Homeowners scheduling a pre-purchase mold inspection. Buyers and sellers handling inspection contingencies. Restoration contractors who need clearance testing on a deadline. Property managers documenting a unit before a turn. General contractors meeting DOSH requirements before demo. Insurance adjusters validating a claim. Landlords responding to a tenant complaint. We are set up for each of these jobs, and we treat each one differently because they need different things.

Certifications and Compliance

RAE holds the following certifications. We work to City of San Diego and California state code requirements for every project, including demolition and renovation permits.

• CDPH (California Department of Public Health) accredited.
• DIR (California Department of Industrial Relations) registered.
• NIOSH (National Institute for Occupational Safety and Health) trained.
• IICRC (Institute of Inspection, Cleaning and Restoration Certification) certified.
• Cal/OSHA DOSH Certified Asbestos Consultants and Site Surveillance Technicians on staff.

How San Diego Testing Works

1. Call or book online. We confirm scheduling, scope, and pricing on the first call. Same-day appointments are common.
2. On-site assessment. A licensed technician arrives, walks the property with you, identifies sample points, and explains what each sample is testing for.
3. Sample collection. Air, surface, bulk, or water samples as the situation requires. Field equipment provides instant readings where available (XRF for lead, PCM for asbestos, real-time meters for moisture and VOCs).
4. Lab analysis. Samples are processed in our in-house lab in Kearny Mesa. Most reports are ready within 24 to 48 hours. Same-day rush is available on request.
5. Report and recommendations. You receive a written report with clear findings and a recommended remediation scope where applicable. We are available by phone to walk you through it.

Frequently Asked Questions

Where is Rarefied Air Environmental based in San Diego?

Our headquarters, office, and accredited laboratory are at 3675 Ruffin Road, Suite 115, San Diego, CA 92123, in Kearny Mesa. The central location lets us reach most San Diego County addresses within a short drive.

How fast can you get a tech to my San Diego property?

Same-day and next-day appointments are common. Call 619-485-0076 and we will tell you the next available slot in your area.

Do you serve all of San Diego County?

Yes. We cover the entire county, from the coastal communities (Oceanside, Carlsbad, Encinitas, Del Mar, La Jolla) through the central neighborhoods (Pacific Beach, Mission Beach, Ocean Beach, Point Loma, North Park, South Park) to inland areas (Mira Mesa, Tierrasanta, Rancho Bernardo, Poway, Rancho Santa Fe) and the South Bay (Chula Vista, Imperial Beach). If you are inside San Diego County, we cover you.

What does environmental testing cost in San Diego?

Pricing depends on the number of samples, the size of the property, and the testing method. Most residential mold inspections run a few hundred dollars. Asbestos surveys and lead testing are typically priced per sample. Call for a project-specific quote in one phone call.

Is asbestos testing required before renovation in San Diego?

Yes. California law requires an asbestos survey before renovation or demolition of any building constructed before 1980, and most San Diego permit applications require documentation. Our Cal/OSHA DOSH-certified consultants produce reports that comply with City of San Diego and state requirements.

Do you work with insurance and restoration companies?

Yes. Restoration contractors and insurance adjusters are a significant portion of our work. We handle clearance testing, pre- and post-remediation verification, and detailed documentation that meets insurance requirements.

Get Started

Rarefied Air Environmental has tested more than 50,000 homes and businesses across San Diego since 2013. Whether you need same-day scheduling, a clearance test before closing, or a written report for a permit, the next step is one phone call.