TrustMark Home & Commerical Inspectors

What They Do

Mold Testing

• 11th month warranty inspections
• Annual maintenance checkup
• Indoor allergen sampling
• Manufactured home inspections
• Mold sampling
• Multi-unit inspections
• New construction inspections
• Pre-listing inspections
• Rental property inspections
• Sewer line scope
• Sprinkler system inspection
• Aerial Roof Inspection
• Builder’s Warranty Inspection
• Commercial Services
• Home Maintenance Inspections
• Hvac System
• Irrigation Systems
• Mold Analysis
• Month Inspections
• New Construction Homes
• Periodic Maintenance
• Sewer Camera Inspection
• Sewer Camera Inspections
• Sewer Line Inspections
• Thermal Imaging Inspections
• Thermal Infrared Imaging
• Water Heater Maintenance

Compare Them With Others in La Verne

• All 7 mold inspection and testing companies in La Verne

In Their Own Words

The TrustMark mission is simple. Inspect every home like we are inspecting it for our own family. Every TrustMark inspector holds the designation of Certified Master Inspector Instructor, the highest designation attainable in the inspection industry. With over a decade of Southern California inspection industry experience, and more than 10,000 inspections completed, TrustMark has perfected the art of the five-star inspection experience. With TrustMark, you get more than just a home inspection, you’re part of the family.

Written by the business on its public profile. We have not verified these claims.

Before You Call TrustMark Home & Commerical Inspectors

1. Do you also do remediation? If so, who checks your work?
2. How many air samples will you take, and will you take an outdoor control sample?

California requires a state contractor license for most repair jobs over $1,000. Ask for the number and check it with the Contractors State License Board.

They list no storefront. Ask where the business is based and whether the crew is their own.

How Their Reviews Break Down

Counts from public listings as of September 23, 2026. A handful of reviews says less than a few hundred.

Read This While You Wait

• Call a proMold Testing, When It Is Worth It and How to Read a Lab ReportWhen a mold test is worth paying for, which kind to ask for, why store kits mislead, and how to read spore counts, outdoor controls and a lab report yourself.
• DIY with careAttic Mold on Roof Sheathing, Causes and FixesWhy mold grows on attic roof sheathing, how to find the cause, the fixes that stop it for good, and how to tell a cosmetic stain from a roof that needs work.