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Longmont, CO

Mold Inspection and Testing in Longmont, CO

Longmont, CO has 8 mold inspection and testing companies in our listings, 7 list themselves as open 24 hours and the most reviewed is 24-7 Restoration, Inc. with 298 reviews.

8 Companies Doing Mold Testing Work in Longmont

  1. 1

    Rainbow International of Longmont24/7

    473 Main St #104 · Longmont 0.0 mi

    Google rating 4.8 from 108 Google reviews

    Top Rated 2026

    Water DamageMoldMold TestingFire and SmokeSewage

  2. 2

    24-7 Restoration, Inc.24/7

    620 10th Ave · Longmont 0.6 mi

    Google rating 4.8 from 298 Google reviews

    Top Rated 2026Most Reviewed 2026

    Water DamageMoldMold TestingFire and SmokeSewage

  3. 3

    Property Craft of Longmont/Boulder, CO24/7

    601 S Bowen St Ste 304 · Longmont 1.2 mi

    Google rating 5.0 from 9 Google reviews

    Verified Remediation Pro

    Water DamageMoldMold TestingFire and SmokeSewage

  4. 4

    Rapid Dry Restoration24/7

    1521 Lark Bunting Pl · Longmont 2.3 mi

    Google rating 4.6 from 119 Google reviews

    Highly Rated 2026

    Water DamageMoldMold TestingFire and SmokeSewage

  5. 5

    Morris Vogel Restoration

    Service area business · Longmont 3.6 mi

    Google rating 5.0 from 22 Google reviews

    Highly Rated 2026

    Water DamageMoldMold TestingFire and SmokeSewage

  6. 6

    RestoPros of Boulder24/7

    Service area business · Longmont 5.9 mi

    Google rating 4.9 from 67 Google reviews

    Top Rated 2026

    Water DamageMoldMold TestingFire and SmokeStorm

  7. 7

    Quick Restore of Colorado, LLC24/7

    14478 E I-25 Frontage Rd Unit 107 · Longmont 7.2 mi

    Google rating 5.0 from 106 Google reviews

    Best in Longmont 2026Top Rated 2026

    Water DamageMoldMold TestingFire and SmokeSewage

  8. 8

    CARE Restoration24/7

    4030 Bruin Blvd Unit L · Longmont 7.3 mi

    Google rating 4.8 from 111 Google reviews

    Top Rated 2026

    Water DamageMoldMold TestingFire and SmokeSewage

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 Longmont

Prices in the Boulder, CO area run about 5 percent above the national average, so local jobs tend to cost more than the national figures.

JobTypical in LongmontNational typical
Mold Inspection and Testingper visit, a visual inspection$200 to $650$200 to $600
Mold Inspection and Testingper visit, an inspection with samples$325 to $1,050$300 to $1,000
Mold Inspection and Testingper visit, a clearance test$325 to $850$300 to $800

Full Longmont 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 Longmont?
We list 8 companies in Longmont, CO. 2 of them work from a service area without a public storefront.
Which mold inspection and testing companies in Longmont are open 24 hours?
7 list themselves as open around the clock, including 24-7 Restoration, Inc., Rapid Dry Restoration and CARE Restoration. Hours are self reported, so call to confirm someone answers at night.
Who has the best reviews in Longmont?
Among companies with at least 20 public reviews, the highest rated are Quick Restore of Colorado, LLC (5.0 from 106), Morris Vogel Restoration (5.0 from 22) and RestoPros of Boulder (4.9 from 67). A high rating from a small number of reviews is weaker evidence than a slightly lower rating from hundreds.

All restoration companies in Longmont · Mold Inspection and Testing in every market

Where We Look

Restoration Companies in Longmont, CO

Compare local restoration and remediation specialists around Longmont, CO