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Top-Rated Biohazard remediation specialists in Hydesville - Updated Nov 2026

Avatar for Environmental Science Services
Environmental Science Services
4.5(
42
)
Mold & Toxic Material TestIndoor Air Quality TestingToxic Lead - Testing+1 more

Serving Hydesville, CA and surrounding areas

Approved

In business since 1992

Free estimates

Emergency services offered

"Shane was my first contact (via phone) and was very knowledgeable and went above & beyond to answer all my questions. I tend to have pretty good discernment, and I immediately sensed I was dealing with an honest, straightforward company. Shane offered me an appointment 2 days later that s fast! Awesome when you re concerned about mold! Ray came to our house (a several hour drive to the Redding area!), and was prompt & called ahead to be courteous. Total genuine and nice guy (especially bc he s a dog lover ;) He wasn t rushed at all, answered all our questions (we had a lot), and actually said he likes & welcomes questions! After we received our report & invoice, I THOUGHT I was messaging my husband, lol, but I texted Shane: Thumbs up! They did thorough testing, & the price was still what was initially quoted! I highly recommend these guys!!"
interior
IAQ
Clandestine Laboratory Investigation
Wipe Testing for Asbestos
Water Intrusion Mold Testing

+3

Response time8 hrs
10 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for Mold Test Company NO CA
Mold Test Company NO CA
3.8(
119
)
Mold & Toxic Material TestIndoor Air Quality TestingMold & Toxic Material Test - For Business

Serving Hydesville, CA and surrounding areas

Approved

In business since 2018

Emergency services offered

Small jobs welcome

"David who did the inspection was punctual, extremely knowledgeable and efficient and spent time explaining things to me. When my results came back much time was spent explaining what the outcome was and how to remediate. The company is very responsive to phone calls and ready with advice"
Drywall
Drywall
Drywall
Insulation
Insulation

+71

Response time1 day
233 neighbors recently requested a quote
Recommended by81%of homeowners
Avatar for Hunter and Son Construction, Inc.
Hunter and Son Construction, Inc.
4.8(
9
)
Hazardous Waste Removal

Serving Hydesville, CA and surrounding areas

Approved

In business since 2021

Free estimates

Emergency services offered

"Robert and his crew were excellent in all aspects of the process. Robert responded right away and had a bid to us within days. Once the contract was approved they started the job right away. The crew was professional, knowledgeable, and had an excellent work ethic. I will recommend them to all my friends and will use them again. The finished job was beautiful."
Response time2 days
3 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for MG Remediation, Inc.
MG Remediation, Inc.
3.3(
8
)
Radon Gas - Abatement

Serving Hydesville, CA and surrounding areas

Approved

In business since 1986

Free estimates

Customers say: Quick response

"Peter and his team at MG Remediation are professionals. They did everything they told me they would do and the radon levels dropped significantly. Great communication, too, which always matters."
Vapor Intrusion for VOC and Radon
 Cleaning
 Cleaning
Testing
Testing & Abatement

+4

Response time4 days
Recommended by80%of homeowners
Nick
New to Angi
Hazardous Waste Removal

Serving Hydesville, CA and surrounding areas

Approved

Hi, I’m Nicholas. I take pride in providing dependable, quality work and making sure every job gets done right. I have hands-on experience with lawn care, general labor, home projects, and repairs, and I’ve spent years building practical skills through work experience and shop training. I’ve maintained 10–15 lawns regularly and have experience using a wide range of tools and equipment.\n\nWhether you need yard maintenance, small repairs, hauling, cleanup, or handyman help, I focus on being reliable, hardworking, and easy to work with. My goal is simple: show up on time, do quality work, and leave customers happy with the result.\n\nI look forward to helping with your next project.

Avatar for Landmark Energy Upgrades
Landmark Energy Upgrades
4.8(
59
)
Asbestos - AbatementIndoor Air Quality TestingMold & Toxic Material Test+2 more

Serving Hydesville, CA and surrounding areas

In business since 2009

Free estimates

Emergency services offered

"I was not surprised to read and see that Landmark construction energy crew have such an excellent reputation online, as I would also recommend them and their jobs. We hired them to paint the exterior and interior of our house few months ago and they did a remarkable job. The job went on without any problem or issues even though we were not at the house part of the time due to a trip that we went on. The quality of the work that they did get into a minor delay and it took longer than expected, but it was not because of their fault. Before we hired Landmark construction energy crew, we had other contractors in at the same time and they were getting in each other’s way. When the paint project was completed, we were very satisfied with the final results. Our house looks brand new now and we can't say enough good things about how beautiful it came out. Charlie was the nicest and lovely man during the project and he was very in-depth, extremely detail oriented and he didn’t cut corners in any way. Charlie with his workers went above and beyond on our job to make us pleased and we felt like they treated our house as if it was his own. Charlie took pride in the job that they were doing and the final work can show that very clear. It’s sad to mention but those days, it’s very hard to find workers like that anymore. We also were very pleased with Jose (the main painter that ran the show when Charlie was not around). Joe stayed in close contact with Charlie and us as the job developed. The pricing for this whole work was very fair and they were willing to work around our though schedule. If you’re in need of a very good and reliable painting company, one who values your business and truly wants you to be satisfied when they are done, then hire Landmark construction energy crew. We never felt they just wanted to get the money and be done. Their first priority was our happiness! Thanks, Charlie and especially Jose."
Cool Roof Install
Energy Upgrade
HVAC Air Duct
Home Energy Audit
Energy Upgrade Contractors

+6

Recommended by98%of homeowners
Avatar for Walker's Home and Commercial Inspections
Walker's Home and Commercial Inspections
4.7(
6
)
Indoor Air Quality TestingMold & Toxic Material TestMold & Toxic Material Test - For Business

Serving Hydesville, CA and surrounding areas

In business since 2017

Free estimates

Emergency services offered

"I hired Walker's Home & Commercial Inspections because I was putting my older home on the market and wanted to know what repairs, if any, needed to be completed before selling. Mr. Walker pointed out several deficiencies. There was earth/wood contact below the kitchen window and some wiring that was done incorrectly. These items were corrected and the home is on the market. Thanks to the thorough inspection, a buyer will know the home was inspected and repairs done."
Inspecting
At an inspection
Response time7 hrs
Response rate100%
Recommended by100%of homeowners
Showing 1-10 of 15
Biohazard Remediation FAQs, answered by experts

Mold doesn’t require much airflow to make it out from behind walls and into your living space, making you sick. HVAC systems can actually pull the mold from behind walls and spread it through your home. While the mold may be out of sight, moisture transfer from the wall can also spread the mold from behind the wall into your living space and air. Any cracks in the walls or bad insulation only compound this effect. 

When used in the correct quantity and with the right procedures, boric acid will produce fumes with limited to no toxicity. You’re more likely to experience adverse side effects from boric acid toxicity by accidentally ingesting it or touching it with bare skin. All the same, wearing an air-filtering mask is a good way to keep even minorly toxic fumes out of your system. Don’t forget gloves, too!

Yes, if installed correctly. Moisture barrier padding blocks dampness from reaching the padding core and subfloor, where mold loves to grow, especially in humid environments like basements. However, poor installation with gaps or loose seams can do the exact opposite, trapping moisture and creating mold problems. So, make sure to do your installation carefully or hire a professional.

It’s unlikely your leaves are a hazard, especially if you get to them while they’re dry. However, a couple of rare risks exist. University studies suggest that decaying leaves can produce organochlorines, toxic pollutants similar to man-made PCBs (polychlorinated biphenyls), so avoid keeping them in an enclosed area.

Also, leaves and compost may cause the growth of fungi that can cause diseases like histoplasmosis and aspergillosis, as well as mold spores that are unhealthy for human lungs. Again, severe issues are rare, but those with compromised immune systems or allergies to mold should wear face masks when directly handling leaves.

Mold and mildew are the things in basements that actually cause the musty odors, but moisture is the underlying issue that causes mold and mildew growth. Addressing moisture and water problems and then removing materials that are moldy are some of the best ways to get rid of the musty odors. Preventive measures after that—like installing air fresheners and a dehumidifier—can help keep musty odors from returning.

The Hydesville, CA homeowners’ guide to biohazard remediation services

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