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TRUSTED BY LOS OSOS, CA HOMEOWNERS
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Verified Reviews for Mold Testing And Remediation pros in Los Osos, CA
*The Angi rating for Mold Testing And Remediation companies in Los Osos, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Mold Testing And Remediation needs.
*The HomeAdvisor rating for Mold Testing And Remediation companies in Los Osos, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Mold Testing And Remediation needs.
Last update on October 26, 2025
Find Mold testing and remediation specialists in Los Osos

Mold Test Company NO CA
Mold Test Company NO CA
At Mold Test Company NOCA, we take great pride in the experience, expertise, quality, and customer service that we provide to meet the consumers needs. It is our mission to provide excellent workmanship, and complete customer satisfaction from start to completion of a project. In order to understand the needs, and expectations of our customers, we take great care to work, and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.
"- Great work, very happy with it "
Suha K on September 2025
At Mold Test Company NOCA, we take great pride in the experience, expertise, quality, and customer service that we provide to meet the consumers needs. It is our mission to provide excellent workmanship, and complete customer satisfaction from start to completion of a project. In order to understand the needs, and expectations of our customers, we take great care to work, and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.
"- Great work, very happy with it "
Suha K on September 2025

Green Home Solutions
Green Home Solutions
Green Home Solutions is the Central Coast's leader in the indoor air quality industry. Our ACAC-certified inspectors provide testing for a wide range of allergens and contaminants that can affect indoor air quality while our IICRC-certified technicians stand ready to respond with a plethora of solutions. Our services include air quality testing, water mitigation/restoration, mold remediation, crawl space encapsulation, and hospital-grade disinfection to name a few. Our services are fast, affordable, effective, and eco-friendly. As an IICRC-certified firm we adhere to the highest standards in the industry. With offices in Pacific Grove and Atascadero, we cover all of Santa Cruz, Monterey, San Benito, and San Luis Obispo counties. You can trust in Green Home Solutions, your indoor air quality experts!
"Ontime, explained process, explained test results that were very detailed. Gave some options for remediation work. Listened to our concerns and answered questions. Came away feeling positive about experience. Cost was average for services."
Dean L on December 2023
Green Home Solutions is the Central Coast's leader in the indoor air quality industry. Our ACAC-certified inspectors provide testing for a wide range of allergens and contaminants that can affect indoor air quality while our IICRC-certified technicians stand ready to respond with a plethora of solutions. Our services include air quality testing, water mitigation/restoration, mold remediation, crawl space encapsulation, and hospital-grade disinfection to name a few. Our services are fast, affordable, effective, and eco-friendly. As an IICRC-certified firm we adhere to the highest standards in the industry. With offices in Pacific Grove and Atascadero, we cover all of Santa Cruz, Monterey, San Benito, and San Luis Obispo counties. You can trust in Green Home Solutions, your indoor air quality experts!
"Ontime, explained process, explained test results that were very detailed. Gave some options for remediation work. Listened to our concerns and answered questions. Came away feeling positive about experience. Cost was average for services."
Dean L on December 2023
Greater Works Construction
Greater Works Construction
A family run business that started with the first permit filed in 2001 with a focus on master craftsmanship. The team is excited to help you realize your vision and look forward to working with you in the future! CSLB General Contractor No.1040332
A family run business that started with the first permit filed in 2001 with a focus on master craftsmanship. The team is excited to help you realize your vision and look forward to working with you in the future! CSLB General Contractor No.1040332

Quest Environmental
Quest Environmental
Since 1993, Quality Environmental Services & Technologies, Inc. (QUEST Environmental) has successfully conducted environmental and industrial hygiene assessments in Colorado, across the United States, and throughout the world. During that time, we have assisted thousands of property owners and managers, builders, individual occupants, buyers, and sellers as well as law firms, insurance companies, lenders, universities, school systems, municipalities, government agencies, and industrial entities. We take pride in providing the highest quality consulting and testing services to ensure that our clients live and work in safe, healthy environments.
"Everything went exceptionally well. Everyone that helped me was extremely professional and knowledgeable and were able to help me navigate the process of new homeownership. Would highly recommend!"
Seth C on June 2024
Since 1993, Quality Environmental Services & Technologies, Inc. (QUEST Environmental) has successfully conducted environmental and industrial hygiene assessments in Colorado, across the United States, and throughout the world. During that time, we have assisted thousands of property owners and managers, builders, individual occupants, buyers, and sellers as well as law firms, insurance companies, lenders, universities, school systems, municipalities, government agencies, and industrial entities. We take pride in providing the highest quality consulting and testing services to ensure that our clients live and work in safe, healthy environments.
"Everything went exceptionally well. Everyone that helped me was extremely professional and knowledgeable and were able to help me navigate the process of new homeownership. Would highly recommend!"
Seth C on June 2024

California Healthy Home Inspections, LLC
California Healthy Home Inspections, LLC
We are a family-owned business with a professional team that comes out to you at your location and performs various types of Toxin Inspections like Mold, Asbestos, Lead, Radon, and Consulting Services related to indoor air quality, serving residential, SML commercial, and real estate clients. An ounce of prevention is better than a pound of cure, don't medicate, and let us investigate because our health is the most important asset we have, from what you breathe to what you touch, helping you improve your Indoor Air Quality and create a safe environment for occupants. Using Scientific Technologies & Equipment and the labs to inspect, detect and deliver the full analytical reports in a quick turnaround time. We stand behind our work and strive to exceed your expectations. It is our goal to win over every client every time, treating our customers how we would expect to be treated. Our motto, KNOWLEDGE IS POWER!
We are a family-owned business with a professional team that comes out to you at your location and performs various types of Toxin Inspections like Mold, Asbestos, Lead, Radon, and Consulting Services related to indoor air quality, serving residential, SML commercial, and real estate clients. An ounce of prevention is better than a pound of cure, don't medicate, and let us investigate because our health is the most important asset we have, from what you breathe to what you touch, helping you improve your Indoor Air Quality and create a safe environment for occupants. Using Scientific Technologies & Equipment and the labs to inspect, detect and deliver the full analytical reports in a quick turnaround time. We stand behind our work and strive to exceed your expectations. It is our goal to win over every client every time, treating our customers how we would expect to be treated. Our motto, KNOWLEDGE IS POWER!

K Heart Microbial Consulting LLC
K Heart Microbial Consulting LLC
KHMC is an environmental company. We are the heart of the indoor air quality industry where we not only care about your air, but we also care about your health. We are staffed with talented individuals in our office including an industrial hygienist and multiple discipline engineers. We cover just about any environmental issue you may encounter. We also specialize in microbial issues relating to Mold & Bacteria that may be affecting your families health. At K heart, we do just about anything that has to do with your indoor air quality (IAQ), including: Inspections, protocols, scopes of work, assessments, and post remediation clearances (PRC) - making sure the work was done correctly. Ultimately, if you have any questions regarding the quality of air in your home give us a call. If you want to follow up on information regarding the company and learn some fun facts (like how to improve your homes air quality) follow us at @kheart_mc
KHMC is an environmental company. We are the heart of the indoor air quality industry where we not only care about your air, but we also care about your health. We are staffed with talented individuals in our office including an industrial hygienist and multiple discipline engineers. We cover just about any environmental issue you may encounter. We also specialize in microbial issues relating to Mold & Bacteria that may be affecting your families health. At K heart, we do just about anything that has to do with your indoor air quality (IAQ), including: Inspections, protocols, scopes of work, assessments, and post remediation clearances (PRC) - making sure the work was done correctly. Ultimately, if you have any questions regarding the quality of air in your home give us a call. If you want to follow up on information regarding the company and learn some fun facts (like how to improve your homes air quality) follow us at @kheart_mc
The Mold Detective
The Mold Detective
Family owned and operated mold detection service in business since 1999. Linda does inspections for homes, commercial businesses, and schools. A comprehensive report is provided after the inspection is complete to assist in getting rid of the problem. Please call to schedule. Proudly servicing:Bakersfield, San Luis Obispo, Mojave, Morro Bay, Delano, Oceano, Paso Robles, California City, Arroyo Grande, Grover Beach, Boron, Atascadero, Edwards, Frazier Park, Tehachapi, Ridgecrest, Los Osos, Pismo Beach, San Simeon, Rosamond, Cayucos, San Miguel, Pine Mountain Club, Creston, Edison, Fellows, Lost Hills, Keene, Randsburg, Arvin, Lamont, Nipomo, Templeton, Wofford Heights, Maricopa, Onyx, Cambria, Avila Beach, Kernville, Tupman, Lebec, Shandon, Inyokern, Wasco, Glennville, Buttonwillow, Caliente, Santa Margarita, Lake Isabella, Red Mountain, Woody, Bodfish, Weldon, Harmony, Taft, Cantil
Family owned and operated mold detection service in business since 1999. Linda does inspections for homes, commercial businesses, and schools. A comprehensive report is provided after the inspection is complete to assist in getting rid of the problem. Please call to schedule. Proudly servicing:Bakersfield, San Luis Obispo, Mojave, Morro Bay, Delano, Oceano, Paso Robles, California City, Arroyo Grande, Grover Beach, Boron, Atascadero, Edwards, Frazier Park, Tehachapi, Ridgecrest, Los Osos, Pismo Beach, San Simeon, Rosamond, Cayucos, San Miguel, Pine Mountain Club, Creston, Edison, Fellows, Lost Hills, Keene, Randsburg, Arvin, Lamont, Nipomo, Templeton, Wofford Heights, Maricopa, Onyx, Cambria, Avila Beach, Kernville, Tupman, Lebec, Shandon, Inyokern, Wasco, Glennville, Buttonwillow, Caliente, Santa Margarita, Lake Isabella, Red Mountain, Woody, Bodfish, Weldon, Harmony, Taft, Cantil

Legion Property Inspections LLC
Legion Property Inspections LLC
Buying or selling a home is a stressful event, so we are committed to providing you with the best possible inspection and explanation of results so that you can make a fully informed decision. We are trained and equipped to evaluate a wide variety of property issues, including full home inspections, mold/radon/water testing, and Energy Score evaluations. All of our inspections are thorough and complete, and utilize the most advanced tools and techniques. Every full home inspection includes a FREE thermal inspection to help identify hidden moisture, missing insulation, or burrowed insects ($150-200 value). Finally, we are so certain of your satisfaction that all of our inspections are backed by our legendary 200% Guarantee.
"We needed a last minute roof inspection for an escrow and he came out quickly and did the job. We had the results the next day and although we ended up needing yet another inspection by a roofer, it helped us close an exhaustive escrow."
Daryle H on September 2018
Buying or selling a home is a stressful event, so we are committed to providing you with the best possible inspection and explanation of results so that you can make a fully informed decision. We are trained and equipped to evaluate a wide variety of property issues, including full home inspections, mold/radon/water testing, and Energy Score evaluations. All of our inspections are thorough and complete, and utilize the most advanced tools and techniques. Every full home inspection includes a FREE thermal inspection to help identify hidden moisture, missing insulation, or burrowed insects ($150-200 value). Finally, we are so certain of your satisfaction that all of our inspections are backed by our legendary 200% Guarantee.
"We needed a last minute roof inspection for an escrow and he came out quickly and did the job. We had the results the next day and although we ended up needing yet another inspection by a roofer, it helped us close an exhaustive escrow."
Daryle H on September 2018

Servpro of Santa Maria
Servpro of Santa Maria
EMERGENCY SERVICE SPECIALISTS! SERVPRO of Santa Maria is the premier Disaster Restoration Company in the Santa Maria region. They can handle any size fire, water or mold loss. Our technicians are available 24 hours a day to help with any emergency you might have. It is critical when you have a loss, to get our team on site immediately to start assessing the loss to make sure the damages are minimized. Getting water and debris removed immediately can prevent costly secondary damages from happening. If you have any questions, feel free to contact our team, any time day or night, 24 hours a day.
"The company was professional and courteous."
Josh M on February 2020
EMERGENCY SERVICE SPECIALISTS! SERVPRO of Santa Maria is the premier Disaster Restoration Company in the Santa Maria region. They can handle any size fire, water or mold loss. Our technicians are available 24 hours a day to help with any emergency you might have. It is critical when you have a loss, to get our team on site immediately to start assessing the loss to make sure the damages are minimized. Getting water and debris removed immediately can prevent costly secondary damages from happening. If you have any questions, feel free to contact our team, any time day or night, 24 hours a day.
"The company was professional and courteous."
Josh M on February 2020

Reliable Restoration & Remodeling
Reliable Restoration & Remodeling
Reliable Restoration and Remodeling is striving to be the best in the mold remediation industry. We don't want to be the biggest. We constantly are looking for new ways to better the company and provide the highest levels of service to our customers. We are keeping our focus on mold remediation, termite repair and mater damage repair. It is our belief that if you do one thing well you should focus on that and do it the best you can and that's what we are doing with mold remediation.
Reliable Restoration and Remodeling is striving to be the best in the mold remediation industry. We don't want to be the biggest. We constantly are looking for new ways to better the company and provide the highest levels of service to our customers. We are keeping our focus on mold remediation, termite repair and mater damage repair. It is our belief that if you do one thing well you should focus on that and do it the best you can and that's what we are doing with mold remediation.
The Los Osos, 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.

Mold remediation cost can quickly escalate. But if you have mold in your home, the cost for mold remediation is worth it.

The cost of a mold inspection might seem high, but it’s one of the best investments you can make for your health and home. Read on to learn cost-saving tips.

Figuring out how to test for mold in your home is important. Mold testing can offer peace of mind and lets you know if it’s time to call a pro. Learn about mold testing processes in this guide.

Water damage vs. mold: knowing the difference could help you identify mold as soon as it appears. Keep reading to learn signs of water damage and mold.

Worried about mold in your central air conditioner? Learn how much it’ll cost to hire a pro vs. DIY this issue, and how to clean and disinfect your AC unit.

Acceptable moisture levels in drywall depend on the relative humidity in your home and a few other factors. Use this guide to learn what's okay and what's not.
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