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Top-Rated Mold testing and remediation specialists in Olivehurst - Updated Nov 2026

Avatar for McCormick Home Builders, Inc.
McCormick Home Builders, Inc.
4.7(
42
)
Dry-rot, Water or Pest Damage - Major Repair

Serving Olivehurst, CA and surrounding areas

Approved

In business since 2017

Free estimates

Customers say: True professional

"We hired McCormick Home Builders to remodel our living room, and we are beyond pleased with the result. The team was professional, worked efficiently, and Aris design ideas made a huge difference. The room feels so much brighter and more spacious. This was the best decision we made for our home, and we were already planning our next remodel with them."
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+1

Response time6 hrs
Recommended by17%of homeowners
Professional Mold Inspections
5.0(
9
)
Indoor Air Quality TestingMold & Toxic Material Test

Serving Olivehurst, CA and surrounding areas

In business since 2018

Credit card accepted

"Excellent experience, very responsive. When I called to ask about their mold inspection services, Richard explained the process and answered all my questions thoroughly so we knew what to expect. Very professional and knowledgeable, we felt confident we weâ re hiring the right person for the job. The actual inspection was very thorough. The results of the test came back in the timeframe promised as well. Will gladly recommend."
Testing for excessive moisture
State of the art test equipment
Bio-Swab test for mold samples
At your service
Response time40 mins
Response rate100%
Recommended by100%of homeowners
Avatar for Nighthawk Home Inspections, LLC - Inicio  Facebook
Nighthawk Home Inspections, LLC - Inicio Facebook
4.9(
11
)
Indoor Air Quality Testing

Serving Olivehurst, CA and surrounding areas

In business since 2013

Free estimates

Warranties offered

"Rob Matlock was very responsive, professional, and thorough. I would recommend them to anyone. He was on time and did what he said he was going to do. It was a fast turn around time for getting the report. The report was thorough and well documented."
Back Patio
Back Patio
Left Side Storage
Front Bedroom
Dining Room

+14

Response time3 hrs
Recommended by100%of homeowners
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Mold Testing and Remediation FAQs, answered by experts

Mold grows at the fastest rate the environment it’s in will let it. The space between your vinyl flooring and the base flooring it’s on is a perfect environment for mold growth, allowing for rapid spread and contamination. Preventing this involves a proper installation of the flooring and constant humidity control.

While a professional can always help, there are some common plumbing culprits you can check yourself to see if you can find the sewer gas smell. For example, you should check your water traps, sometimes called P-traps and S-traps, which are located under sink, shower, and laundry drains. The wax ring beneath the base of your toilet, which creates a watertight seal with the plumbing, could also have gone bad.

Window sill mold can be harmful, but the severity depends on the type. Common household molds like Cladosporium or Aspergillus can trigger allergies, respiratory issues, or worsen asthma symptoms. However, black mold (Stachybotrys) can produce mycotoxins that can harm your health. Even less toxic molds should be addressed promptly to prevent health risks and property damage.

Mold in a furnace is frequently found on evaporator coils, filters, or within the ductwork. The mold appears in dark, fuzzy patches in either black, green, or white. You may also notice a musty odor. Green or white mold can be cleaned with DIY methods, but if you see black mold, call a professional. Black mold is toxic and harmful to your health.

Mold is very likely if you do not take action to fully dry your home within around 24 to 48 hours after water damage occurs. This can happen even faster in warm, dark locations with extensive water damage. In areas of the home that receive ample sunlight and only have slight moisture issues, it can take weeks for mold to appear.

The Olivehurst, CA homeowners’ guide to mold testing and remediation services

From average costs to expert advice, get all the answers you need to get your job done.