Serving Ontario, CA & surrounding areas 24/7 Emergency Restoration Help
Restorationar Local restoration companies, ranked
📞 Call Now: +1 (855) 872-6544

5 Best Mold Remediation Companies in Ontario, CA

Dealing with mold growth in Ontario, CA? We've listed 5 local mold remediation companies serving the Ontario area, ranked by number of reviews, starting with DRYmedic Restoration Services - North Bay. Every listing below includes verified contact details, service categories, and hours so you can get help fast.

🏢 5 companies listed⭐ 5.0 avg. rating🕐 5 open 24/7📍 Serving Ontario, CA
📞 To Get Restoration, Call Now +1 (855) 872-6544

Mold Remediation Companies in Ontario, CA

5 companies found · ranked by number of reviews. Tap a listing's website or map link, or use the number below to get connected now.

DRYmedic Restoration Services - North Bay photo

1.DRYmedic Restoration Services - North Bay

Open 24 Hours
4.9(49 reviews)

📍 22 Digital Dr Suite 1, Novato, CA 94949

📞 (415) 851-0118

Water damage restoration serviceBuilding restoration serviceDebris removal serviceFire damage restoration service

DRYmedic Restoration Services of North Bay, located at 22 Digital Drive Suite 1, is your go-to expert for Water Damage Restoration, Emergency Water Damage, and comprehensive Mold Remediation Service. Our skilled team is available 24/7, offering fast, effective solutions for Plumbing Leak Repairs, Fire and Water Restoration, and Flood Damage Repair. We specialize in Disaster Restoration, delivering reliable services to bring your property back to pre-loss condition. As Water Damage Specialists, we also handle Storm Damage and Smoke and Water Damage with precision. Serving North Bay and the surrounding areas, DRYmedic ensures quality restoration and peace of mind.

Visit Website ↗View MapView Photo 🕐 Open 24 hours

Customers mention: mold, communication, questions, wall, floor, project, humidity, plumbing

Master Recovery Restoration photo

2.Master Recovery Restoration

Open 24 Hours
5(8 reviews)

📍 4655 Minnier Ave, Riverside, CA 92505

📞 (951) 204-3754

Water damage restoration service

Master Recovery Restoration is your local professional for water fire and mold cleanup and Restoration services in the inland empire and beyond,. Jacob and His crew are a phone call away and offer over 20 years of experience in the insurance claim and residential claim services we have worked with all major carriers and are Ready and standing by to assist you on your water Damage loss. Please call or text Jacob Lacatus Master Recovery Restoration 951-204-3754 masterrecovery78@gmail.com Thanks we are here to restore peace of mind and assure you a great Recovery.

Visit Website ↗View MapView Photo 🕐 Open 24 hours

Customers mention: kitchen, insurance company

ServiceMaster Recovery Services by Right Call photo

3.ServiceMaster Recovery Services by Right Call

Open 24 Hours
5(4 reviews)

📍 13758 Amarillo Ave, Chino, CA 91710

📞 (951) 414-3875

Water damage restoration service

Has your home or business experienced damages? If it is from a fire, flood, or smoke, then it's crucial that you get the restoration services you need to get back to normal. ServiceMaster Restore offers 24/7 disaster restoration services that will make your home or business whole again. Our restoration company is backed by a national franchise network with over 65 years of experience. We are committed to delivering total customer satisfaction. We offer everything from weather damage restoration to fire and smoke damage repairs to mold remediation. No matter when disaster strikes, ServiceMaster Restore is a restoration company that will be there, day or night. Our company is available 24/7 for emergency restoration services near you.

Visit Website ↗View MapView Photo 🕐 Open 24 hours

Customers mention: mom, company

Rytech Restoration Of Ontario photo

4.Rytech Restoration Of Ontario

Open 24 Hours
5(1 review)

📍 10680 Silicon Ave unit J, Montclair, CA 91763

📞 (951) 298-9399

Water damage restoration service

Here at Rytech we help customers with any type of disaster like water, fire, mold. We provide full support with the insurance claims please contact us we are here to help.

Visit Website ↗View MapView Photo 🕐 Open 24 hours
AquaMint Team photo

5.AquaMint Team

Open 24 Hours
No reviews yet

📍 3045 S Archibald Ave H, Ontario, CA 91761

📞 (909) 259-3106

Water damage restoration service

AquaMint Team is a locally owned and operated water damage restoration company in Ontario, CA. We specialize in providing 24/7 emergency water removal, flood restoration, and mold remediation services to homeowners and businesses in the Inland Empire.

Visit Website ↗View MapView Photo 🕐 Open 24 hours

Need help with mold growth in Ontario right now?

Mold growth gets worse by the hour. Call now to get connected with a specialist, 24/7.

📞 To Get Restoration, Call Now +1 (855) 872-6544

Signs You Need Mold Remediation

Visible mold growth

Black, green, or white spotting on walls, ceilings, grout, or around windows.

Musty, earthy odor

A persistent musty smell often means mold is growing somewhere out of sight, like behind a wall or under flooring.

Past or current water stains

Any area that has been wet for more than a day or two is a likely spot for mold to develop.

Allergy-like symptoms

Sneezing, coughing, or irritated eyes that improve when you leave the house can point to indoor mold exposure.

How Mold Remediation Works

  1. 1

    Mold Inspection & Testing

    Technicians identify the type and extent of mold growth and find the underlying moisture source.

  2. 2

    Containment

    The affected area is sealed off with plastic sheeting and negative air pressure to stop spores from spreading.

  3. 3

    Air Filtration & Mold Removal

    HEPA air scrubbers filter spores from the air while contaminated materials are removed.

  4. 4

    Cleaning, Sanitizing & Prevention

    Remaining surfaces are cleaned and treated, and moisture issues are addressed to prevent regrowth.

What Services Do Mold Remediation Companies in Ontario Offer?

Most companies listed above offer more than one of these services. Here's what's typically included.

Mold Inspection & Testing

Visual inspection, moisture readings, and lab testing to identify mold type and severity.

Mold Removal & Remediation

Safe removal of mold-affected materials and treatment of remaining surfaces.

Air Quality Testing

Testing to confirm mold spore levels are back to normal after remediation.

Moisture Control & Dehumidification

Identifying and fixing the moisture source that's feeding mold growth.

Antimicrobial Treatment

Application of antimicrobial products to prevent regrowth on treated surfaces.

Crawl Space & Attic Remediation

Mold removal in hard-to-reach areas prone to poor ventilation and moisture.

HVAC Duct Cleaning

Removing mold spores that have spread through the ductwork and air handling system.

Preventive Waterproofing

Sealing and waterproofing to prevent the moisture conditions mold needs to return.

Don't wait on mold growth.

Mold spreads fast and can affect indoor air quality within days.

📞 To Get Restoration, Call Now +1 (855) 872-6544

Frequently Asked Questions

How much does mold remediation cost in Ontario, California?
Most mold remediation jobs in Ontario range from $500 to $6,000, depending on how much square footage is affected and whether the mold has spread into HVAC ductwork or wall cavities. Most companies listed here offer free on-site inspections and estimates.
Is mold growth covered by homeowners insurance?
Homeowners insurance typically covers mold remediation only when the mold resulted from a sudden, covered event, such as a burst pipe. Mold caused by long-term humidity, leaks, or poor maintenance is usually excluded, so document the original cause carefully.
How fast do I need to respond to mold growth?
Quickly. Mold spreads quickly in the right conditions and can begin releasing spores into the air within days, which can affect indoor air quality and aggravate allergies or respiratory issues. Most companies serving Ontario offer 24/7 emergency response.
Are these mold remediation companies available 24/7 in Ontario?
Many of the companies listed on this page offer around-the-clock emergency service. Look for the "Open 24 Hours" badge on each listing. Call ahead to confirm current availability, especially during major weather events when demand is high.
What's the difference between mold remediation and mold removal?
The terms are often used interchangeably, but remediation is the more accurate term. It's rarely possible to remove all mold spores from a property since they occur naturally in the environment, so professionals focus on remediation: reducing mold to safe, normal levels and fixing the moisture problem that caused it.
How many mold remediation companies serve Ontario, California?
We've found 5 mold remediation companies serving Ontario and the surrounding area, with an average rating of 5.0 out of 5 stars.

Nearby Mold Remediation Cities in California

Looking for mold remediation nearby? Check these California cities.

Agoura, CAAlgonquin, CAAliso Viejo, CAAltadena, CAAnaheim, CAAntelope, CAApple Valley, CAArden-Arcade, CAArroyo Grande, CAAtascadero, CAAtwater, CAAvocado Heights, CAAzusa, CABakersfield, CA

Ontario, CA Service Area Map