San Diego, California
Expert mold inspection services
in San Diego
Origin Environmental performs independent commercial and residential mold inspections across San Diego County — visual assessment, moisture mapping, thermal imaging and laboratory-analyzed air sampling. We test. We never remediate.
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Same-day response
Book your mold inspection
Tell us about the property. We reply the same working day with availability and a firm price.
Reliability · Integrity · Accuracy
An inspection with nothing to sell you afterwards
A standard mold inspection includes a visual inspection, air sampling, moisture checks via IR thermal camera and moisture meter, a full report from both the inspector and the laboratory, and — if a mold issue does exist — a scope of work outlining what needs to be done. The outdoor sample is always included to establish a baseline for normal mold levels in your area.
We never remediate
No repair arm, no referral fee, no reason to find a problem that isn't there. You get the facts.
Moisture, not guesswork
IR thermal imaging and pin meters locate wet assemblies behind finishes — without opening walls.
ISO 17025 lab
Samples are analyzed by an accredited microbiology lab supervised by a PhD mycologist.
A report you can use
Plain-language findings plus a written scope of work any qualified contractor can bid from.
The Process
Five steps, one honest answer
Every inspection follows the same sequence, whether it's a studio in North Park or a medical suite in Sorrento Valley.
- 01
Visual Inspection
We visually inspect the property for signs of water intrusion and active mold growth, inside and out.
- 02
Air Moisture
Relative humidity and air moisture are measured room by room to find the conditions mold needs.
- 03
Wall & Ceiling Moisture
Moisture meters and IR thermal imaging locate wet assemblies behind finishes without demolition.
- 04
Sampling & Lab
Indoor air samples plus an outdoor baseline go to an ISO/IEC 17025-accredited laboratory.
- 05
Report & Scope
You receive a full report and, if there is a problem, a written scope of work for remediation.
Our Services
Think there's mold growing inside your San Diego property?
We test every building type in San Diego County — from studio apartments to homes, high-rise residential and commercial buildings, medical offices and hospitals.
In the field
Real San Diego inspections
Photographs from recent residential and commercial assessments across the county.
A forensic scientist, not a salesman
Joshua Leviton holds a Master of Forensic Science from Cranfield University, a BSc in Molecular Biology/Chemistry from CSU Northridge and a BSc in Criminal Justice from CSU Long Beach. He is a Certified Mold Inspector through MICRO — the Mold Inspection Consulting and Remediation Organization.
Analysis is performed by Natural Link Mold Lab, an ISO/IEC 17025-compliant microbiology laboratory supervised by Analytical Director Sean P. Abbott, PhD — a mycologist with over 15 years in fungal biology and indoor air quality.
More about OriginInspection & Fees
Priced before we arrive
No hourly billing, no surprise line items. Larger homes and commercial properties need more samples — we scope the count on site before anything is collected.
Standard Mold Inspection
Two indoor air samples and one outdoor reference sample. Includes visual inspection, moisture assessment with meter and IR thermal imaging, all laboratory fees, next-day results and a full written report.
$395
Additional Samples
Per sample after the first two. Larger homes and commercial properties need more samples; we scope the count on site before anything is collected.
$75
Next-Day Analysis
Per sample, available Monday through Thursday.
+$25
Same-Day Analysis
Per sample, available Monday through Friday.
+$50
Testimonials
What San Diego clients say
I had a client in escrow and we suspected there might be a mold problem. I called a few places and then I found Josh. He was very nice to work with and his pricing was simple and to the point. I made the appointment and he was on time and had the results back to us promptly. He knows his job well and I will definitely use him in the future and would not hesitate to refer him to anyone I know.
Doug C.
Real Estate Agent, San Diego
Josh recently performed a mold inspection for a property that we were buying. He did an amazing job and gave a clean, honest report. In fact he left me a message summarizing the inspection and sent over the detailed report the next day. Setting up the appointment was easy, no hassle.
Pinky M.
Homebuyer
Courteous and competitive, they give you clear results without pushing for follow-on work. Unlike many inspectors, they are not involved in repair and are happy to give you just the facts.
Jay B.
Property Manager
FAQ
Popular questions
Straight answers about sampling, toxic molds and what your results actually mean.
Toxic molds such as Stachybotrys and Aspergillus niger can cause indoor air quality problems leading to allergies and sickness. Many times these problems are the result of airborne mycotoxins and mold spores. One of the best ways to find out if your home has toxic or black mold is to have it professionally inspected and sampled.
The goal of biological sampling is to determine whether the particles present in an environment are affecting or irritating the people in it, and to locate the sources so remediation is effective. Sampling establishes scientifically whether the environment contains more organisms than would normally be present. We believe meaningful comparisons are only possible when measured volumes of air are sampled and results are expressed volumetrically.
A professional inspector always takes samples, because mold frequently grows where you cannot see it. The most important sample is taken outdoors, to establish a baseline of normal mold levels. That baseline is compared to the indoor samples. If indoor levels and types are lower than outdoors, indoor levels are generally considered normal.
There are currently no widely accepted regulations for biological air sampling. In their absence we apply common sense: a complete protocol uses both culturable and non-culturable methods where budget and time allow. When only one method can be used, a non-culturable spore trap sample usually provides the most accurate snapshot of the air.
Stachybotrys chartarum can, under the right conditions, produce mycotoxins. These toxins exist in the spores and in tiny fragments that can become airborne. While wet, the slimy cluster tends to hold them in place, but once the colony dries the likelihood of spores and fragments becoming airborne — and being inhaled — rises considerably.
A standard mold inspection is $395 and includes two indoor air samples and one outdoor reference sample, the visual inspection, moisture assessment with a meter and IR thermal imaging, all lab fees, next-day results and a full report. Additional samples beyond the first two are $75 each.
Get a straight answer about your building.
Independent testing, accredited laboratory analysis, next-day results across San Diego County.