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Lake Forest, CA

Mold Inspection and Testing in Lake Forest, CA

Lake Forest, CA has 10 mold inspection and testing companies in our listings, 4 list themselves as open 24 hours and the most reviewed is Mathews Inspection Group with 236 reviews.

10 Companies Doing Mold Testing Work in Lake Forest

  1. 1

    Emergency Home & Water Damage of Orange County24/7

    20722 Linear Ln · Lake Forest 0.4 mi

    Google rating 4.9 from 86 Google reviews

    Top Rated 2026

    Water DamageMoldMold TestingFire and SmokeSewage

  2. 2

    Paul Davis of South Orange County24/7

    26233 Enterprise Ct · Lake Forest 0.5 mi

    Google rating 5.0 from 65 Google reviews

    Top Rated 2026

    Water DamageMoldMold TestingFire and SmokeBiohazard

  3. 3

    Flood Pro

    20472 Crescent Bay Dr #106 · Lake Forest 0.8 mi

    Google rating 4.3 from 37 Google reviews

    Verified Remediation Pro

    Water DamageMoldMold TestingFire and SmokeSewage

  4. 4

    Tixan Construction

    21502 Firwood · Lake Forest 0.8 mi

    Google rating 5.0 from 37 Google reviews

    Top Rated 2026

    Water DamageMoldMold TestingFire and SmokeSewage

  5. 5

    Water Damage Services Lake Forest

    26571 Normandale Dr · Lake Forest 0.9 mi

    Google rating 5.0 from 4 Google reviews

    Verified Remediation Pro

    Water DamageMoldMold TestingFire and SmokeSewage

  6. 6

    Emergency Mold Restoration of Orange County24/7

    20331 Lake Forest Dr Ste C10 · Lake Forest 1.1 mi

    No public reviews yet

    Verified Remediation Pro

    Water DamageMoldMold TestingFire and SmokeSewage

  7. 7

    EZ Mold Testing and Inspection

    21088 Bake Pkwy · Lake Forest 1.2 mi

    Google rating 5.0 from 27 Google reviews

    Top Rated 2026

    MoldMold Testing

  8. 8

    The Mold Guy, Inc

    22365 El Toro Rd Apt 286 · Lake Forest 1.4 mi

    No public reviews yet

    Verified Remediation Pro

    Mold Testing

  9. 9

    Lake Forest24/7

    23331 El Toro Rd #112 · Lake Forest 2.6 mi

    No public reviews yet

    Verified Remediation Pro

    Water DamageMoldMold TestingSewage

  10. 10

    Mathews Inspection Group

    Service area business · Lake Forest 9.0 mi

    Google rating 4.8 from 236 Google reviews

    Top Rated 2026Most Reviewed 2026

    Mold Testing

Hire an Independent Inspector

A mold inspector tells you whether you have a problem, where it is and what caused it. A remediator removes it. When the same company does both, it has a reason to find mold. If you can, hire an inspector who does not do remediation, and ask the remediator to follow that inspector’s written plan.

Ask the inspector what the visit includes. A good one looks for the moisture source first, uses a moisture meter and often a thermal camera, and only takes air or surface samples when the result will change what you do. After the work, a clearance test by the same independent inspector shows whether the job is done.

How to read a mold lab report

Can You Handle It Yourself

Call a pro

Home test kits that grow spores in a dish almost always grow something, because mold spores are everywhere. They cannot tell you whether you have a problem. A moisture meter and a flashlight will tell you more for less money.

Read the step by step guide

What It Costs Around Lake Forest

Prices in the Los Angeles-Long Beach-Anaheim, CA area run about 14 percent above the national average, so local jobs tend to cost more than the national figures.

JobTypical in Lake ForestNational typical
Mold Inspection and Testingper visit, a visual inspection$225 to $700$200 to $600
Mold Inspection and Testingper visit, an inspection with samples$350 to $1,150$300 to $1,000
Mold Inspection and Testingper visit, a clearance test$350 to $900$300 to $800

Full Orange County cost guide

Questions to Ask Before You Hire

  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?
  3. Which lab analyzes the samples, and is it accredited?
  4. Will the report include moisture readings and photos, not only lab numbers?
  5. Are you licensed as a mold assessor where this home is?

Guides for This Job

Questions People Ask

How many mold inspection and testing companies serve Lake Forest?
We list 10 companies in Lake Forest, CA. 1 of them work from a service area without a public storefront.
Which mold inspection and testing companies in Lake Forest are open 24 hours?
4 list themselves as open around the clock, including Emergency Home & Water Damage of Orange County, Paul Davis of South Orange County and Emergency Mold Restoration of Orange County. Hours are self reported, so call to confirm someone answers at night.
Who has the best reviews in Lake Forest?
Among companies with at least 20 public reviews, the highest rated are Paul Davis of South Orange County (5.0 from 65), Tixan Construction (5.0 from 37) and EZ Mold Testing and Inspection (5.0 from 27). A high rating from a small number of reviews is weaker evidence than a slightly lower rating from hundreds.

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Restoration Companies in Lake Forest, CA

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