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Garden Grove, CA

Mold Inspection and Testing in Garden Grove, CA

Garden Grove, CA has 7 mold inspection and testing companies in our listings, 4 list themselves as open 24 hours and the most reviewed is Thoroughspec Home Inspections, Inc with 134 reviews.

7 Companies Doing Mold Testing Work in Garden Grove

  1. 1

    TipTop Alamitos24/7

    Service area business · Garden Grove 1.4 mi

    Google rating 5.0 from 20 Google reviews

    Highly Rated 2026

    Water DamageMoldMold TestingFire and SmokeSewage

  2. 2

    Orange Coast Restore24/7

    12361 Industry St Suite B · Garden Grove 1.8 mi

    Google rating 5.0 from 3 Google reviews

    Verified Remediation Pro

    Water DamageMoldMold TestingFire and SmokeSewage

  3. 3

    Quality Mold Inspections Garden Grove24/7

    10802 Capital Ave · Garden Grove 2.7 mi

    Google rating 5.0 from 2 Google reviews

    Verified Remediation Pro

    MoldMold Testing

  4. 4

    Thoroughspec Home Inspections, Inc

    6161 Chapman Ave · Garden Grove 2.8 mi

    Google rating 5.0 from 134 Google reviews

    Top Rated 2026Most Reviewed 2026

    Mold Testing

  5. 5

    JLM Environmental

    12913 Harbor Blvd Ste Q-3 305 · Garden Grove 3.4 mi

    No public reviews yet

    Verified Remediation Pro

    Water DamageMoldMold TestingAsbestosLead Paint

  6. 6

    Streamline Plumbing24/7

    5471 Amy Ave · Garden Grove 3.5 mi

    Google rating 4.9 from 66 Google reviews

    Top Rated 2026

    Water DamageMoldMold Testing

  7. 7

    Green Global Restoration

    13321 Garden Grove Blvd N · Garden Grove 4.5 mi

    Google rating 1.0 from 2 Google reviews

    Verified Remediation Pro

    Water DamageMoldMold TestingFire and SmokeStorm

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 Garden Grove

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 Garden GroveNational 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 Garden Grove?
We list 7 companies in Garden Grove, CA. 1 of them work from a service area without a public storefront.
Which mold inspection and testing companies in Garden Grove are open 24 hours?
4 list themselves as open around the clock, including Streamline Plumbing, TipTop Alamitos and Orange Coast Restore. Hours are self reported, so call to confirm someone answers at night.
Who has the best reviews in Garden Grove?
Among companies with at least 20 public reviews, the highest rated are Thoroughspec Home Inspections, Inc (5.0 from 134), TipTop Alamitos (5.0 from 20) and Streamline Plumbing (4.9 from 66). 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 Garden Grove, CA

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