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Brea, CA

Mold Inspection and Testing in Brea, CA

Brea, CA has 4 mold inspection and testing companies in our listings, 3 list themselves as open 24 hours and the most reviewed is Extreme Clean with 23 reviews.

4 Companies Doing Mold Testing Work in Brea

  1. 1

    Legend Water Damage24/7

    220 W Birch St · Brea 0.4 mi

    Google rating 5.0 from 12 Google reviews

    Highly Rated 2026

    Water DamageMoldMold Testing

  2. 2

    Extreme Clean24/7

    1390 Titan Way · Brea 0.7 mi

    Google rating 3.9 from 23 Google reviews

    Verified Remediation Pro

    Water DamageMoldMold TestingFire and SmokeSewage

  3. 3

    Charles Taylor Environmental

    135 S State College Blvd #200 · Brea 1.4 mi

    Google rating 4.7 from 14 Google reviews

    Highly Rated 2026

    MoldMold TestingFire and SmokeAsbestosLead Paint

  4. 4

    Ready Restore OC24/7

    2771 Saturn St Ste D · Brea 2.8 mi

    Google rating 5.0 from 19 Google reviews

    Highly Rated 2026

    Water DamageMoldMold 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 Brea

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 BreaNational 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 Brea?
We list 4 companies in Brea, CA. All of them list a street address.
Which mold inspection and testing companies in Brea are open 24 hours?
3 list themselves as open around the clock, including Extreme Clean, Ready Restore OC and Legend Water Damage. Hours are self reported, so call to confirm someone answers at night.
Who has the best reviews in Brea?
Among companies with at least 20 public reviews, the highest rated are Extreme Clean (3.9 from 23). A high rating from a small number of reviews is weaker evidence than a slightly lower rating from hundreds.

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