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Pasadena, CA

Mold Inspection and Testing in Pasadena, CA

Pasadena, CA has 17 mold inspection and testing companies in our listings, 7 list themselves as open 24 hours and the most reviewed is Roto-Rooter Plumbing & Water Cleanup with 843 reviews.

17 Companies Doing Mold Testing Work in Pasadena

  1. 1

    24/7 Mold Inspection Pasadena

    301 N Lake Ave Ste 600 · Pasadena 0.2 mi

    Google rating 5.0 from 2 Google reviews

    Verified Remediation Pro

    MoldMold Testing

  2. 2

    Same Day Mold Testing Inc

    50 N Mentor Ave #164 · Pasadena 0.2 mi

    Google rating 3.9 from 11 Google reviews Yelp 4.2 · BBB profile

    Verified Remediation Pro

    Water DamageMoldMold TestingLead Paint

  3. 3

    Presto! Restore Rebuild

    50 N Mentor Ave #164 · Pasadena 0.2 mi

    No public reviews yet

    Verified Remediation Pro

    Water DamageMoldMold Testing

  4. 4

    Go Green Pasadena

    790 E Colorado Blvd · Pasadena 0.2 mi

    Google rating 5.0 from 6 Google reviews

    Verified Remediation Pro

    Water DamageMoldMold TestingFire and SmokeSewage

  5. 5

    Environmental Science Associates

    1010 Union St #203 · Pasadena 0.2 mi

    No public reviews yet

    Verified Remediation Pro

    Water DamageMold Testing

  6. 6

    Mold Masters Inc

    70 S Lake Ave · Pasadena 0.3 mi

    Google rating 5.0 from 1 Google review

    Verified Remediation Pro

    Water DamageMoldMold TestingFire and SmokeSewage

  7. 7

    Dry Masters Service24/7

    1055 E Colorado Blvd · Pasadena 0.3 mi

    Google rating 5.0 from 7 Google reviews

    Verified Remediation Pro

    Water DamageMoldMold TestingSewage

  8. 8

    Rapid Response Restoration of Pasadena24/7

    169 S Mentor Ave · Pasadena 0.4 mi

    Google rating 5.0 from 53 Google reviews

    Top Rated 2026

    Water DamageMoldMold TestingFire and SmokeSewage

  9. 9

    Moldrix inspection of Pasadena24/7

    830 E Orange Grove Blvd · Pasadena 0.6 mi

    Google rating 5.0 from 3 Google reviews

    Verified Remediation Pro

    MoldMold Testing

  10. 10

    Roto-Rooter Plumbing & Water Cleanup24/7

    241 E Colorado Blvd · Pasadena 0.7 mi

    Google rating 4.9 from 843 Google reviews Yelp 2.7

    Top Rated 2026Most Reviewed 2026

    Water DamageMoldMold TestingSewage

  11. 11

    Elevate Pro Restoration of Pasadena24/7

    117 E Colorado Blvd Ste 625 · Pasadena 0.9 mi

    Google rating 5.0 from 10 Google reviews

    Highly Rated 2026

    Water DamageMoldMold TestingFire and SmokeSewage

  12. 12

    Green Planet Restoration Of Pasadena24/7

    117 E Colorado Blvd #600 · Pasadena 0.9 mi

    Google rating 5.0 from 17 Google reviews

    Highly Rated 2026

    Water DamageMoldMold TestingFire and SmokeSewage

  13. 13

    PureAir Mold Testing of Pasadena24/7

    Service area business · Pasadena 1.6 mi

    Google rating 5.0 from 9 Google reviews

    Verified Remediation Pro

    Mold Testing

  14. 14

    Inspire Mold Testing Co.

    2580 Morningside St · Pasadena 2.1 mi

    No public reviews yet

    Verified Remediation Pro

    Mold Testing

  15. 15

    Prime Mold Inspections - Pasadena Mold Removal

    Service area business · Pasadena 2.2 mi

    Google rating 4.9 from 33 Google reviews

    Top Rated 2026

    Mold Testing

  16. 16

    24H Mold Inspection of Altadena

    Service area business · Pasadena 2.6 mi

    Google rating 5.0 from 6 Google reviews

    Verified Remediation Pro

    Mold TestingLead Paint

  17. 17

    Indoor EQ

    3360 E Foothill Blvd · Pasadena 3.0 mi

    No public reviews yet

    Verified Remediation Pro

    Mold TestingAsbestos

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

Reviews on Other Sites in Pasadena

On Angi

We did not find an Angi profile we could match to a company here yet.

Have a BBB Profile (1)

Also matched here, 2 on Yelp. Those show on each company row above.

A BBB profile is a listing with the Better Business Bureau. It is not the same as BBB accreditation. We only list a profile when its name and city match the company.

What It Costs Around Pasadena

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 PasadenaNational 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 Los Angeles 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 Pasadena?
We list 17 companies in Pasadena, CA. 3 of them work from a service area without a public storefront.
Which mold inspection and testing companies in Pasadena are open 24 hours?
7 list themselves as open around the clock, including Roto-Rooter Plumbing & Water Cleanup, Rapid Response Restoration of Pasadena and Green Planet Restoration Of Pasadena. Hours are self reported, so call to confirm someone answers at night.
Who has the best reviews in Pasadena?
Among companies with at least 20 public reviews, the highest rated are Rapid Response Restoration of Pasadena (5.0 from 53), Roto-Rooter Plumbing & Water Cleanup (4.9 from 843) and Prime Mold Inspections - Pasadena Mold Removal (4.9 from 33). A high rating from a small number of reviews is weaker evidence than a slightly lower rating from hundreds.

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