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PriorityLab is a full service environmental testing laboratory, specializing in mold analysis, servicing home inspectors and environmental testing professionals nationwide.

Mold Test Accuracy Guarantee

The PriorityLab Mold Test Accuracy Guarantee offers the long-sought after assurance by home and mold inspectors that home buyers, home sellers, and real estate agents can rely on by offering up to $3,000 for remediation of any visible mold for 90 days after a test is performed when the testing report indicates no visible mold or problematic mold counts in the air.

How our process works

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Step 1

Collect your samples

Using testing media and equipment sold by PriorityLab, all your testing needs are covered including mold, asbestos, water, lead, and radon testing.

Mobile App Icon

Step 2

Digital COC submission

Use our mobile app to submit an industry exclusive Digital COC and save yourself the time and hassle of filling out your COC by hand.

Shipping Method

Step 3

Ship your samples

Mail your samples to the lab using one of our prepaid envelopes. Available in same-day, 2-day, and Saturday delivery options.


Step 4

Same-Day analysis

Analysis is performed by our skilled lab analysts the same day we receive your mold samples, guaranteed! Analysis time varies for non-mold sample types.

Cogs Automation

Step 5

Report generation

Our system automation prepares your report in real time as analysis of each sample is completed so that your report is ready to be delivered as soon as analysis is complete.

Email Report

Step 6

Email report

Once your report has been generated and reviewed it will be delivered to you and any desired parties via email.

Inventory Management System

All PriorityLab users are eligible to use our Inventory Management System, an automated solution for managing your testing media and shipping label inventory. The easy to configure IMS will track your usage as samples are received at the lab and automatically ship you needed items when inventories drop below your specified threshold. IMS not only saves you time, but saves you money with $10 flat rate shipping on automated orders.

Home Inspection University

Head over to for free environmental testing training and continuing education from industry leading instructors. Explore all of our courses spanning Environmental Testing, Home Inspection, and Real Estate. Courses are 100% free. Register now!