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TRUSTED BY CLAYTON, CA HOMEOWNERS

  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon1.9k+
    Verified percolation testing services reviews

Find Percolation testing pros in Clayton

Avatar for Attic Pros

Attic Pros

4.91(
196
)
Approved Pro

Attic Pros

4.91(
196
)
Approved Pro
Super Service Award
Customers say: Super punctual
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
14 years of experience

Attic Pros provides outstanding products combined with superior service to ensure your satisfaction. Our team work's directly with you making sure we cover all areas that may have insulation issues. Once we've done this we can make a custom plan for property. Call Attic Pro Today for your professional consultation. *******5% Off Mold Removal Project******* For a limited time, we're excited to offer you a special discount of 5% off your mold removal project. Don't miss out on this opportunity to ensure a healthier environment for your home or business while saving money. Contact us today to schedule your mold inspection and take advantage of this exclusive offer!

"very professional and definitely work in the future ."

Mark H on January 2026

Attic Pros provides outstanding products combined with superior service to ensure your satisfaction. Our team work's directly with you making sure we cover all areas that may have insulation issues. Once we've done this we can make a custom plan for property. Call Attic Pro Today for your professional consultation. *******5% Off Mold Removal Project******* For a limited time, we're excited to offer you a special discount of 5% off your mold removal project. Don't miss out on this opportunity to ensure a healthier environment for your home or business while saving money. Contact us today to schedule your mold inspection and take advantage of this exclusive offer!

"very professional and definitely work in the future ."

Mark H on January 2026


Precise Plumbing

4.96(
379
)
Approved Pro

Precise Plumbing

4.96(
379
)
Approved Pro
Super Service Award
Customers say: Quality work
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
24 years of experience

Precise Plumbing is a well established plumbing business in the East Bay Area. With over 15 years of unmatched experience, we are experts in the trade. Here at Precise Plumbing, customer service always comes first. We pride ourselves on reliability, integrity, great communication, and providing quality work. As professional plumbers, we are timely, we pay attention to detail, and keep you informed/educated about your plumbing projects or tasks as we strive to provide the best service. Call us today as we look forward to earning your business!

"Very satisfied - a real pro. Competent, clean, explained everything. Highly recommend."

William S on January 2026

Precise Plumbing is a well established plumbing business in the East Bay Area. With over 15 years of unmatched experience, we are experts in the trade. Here at Precise Plumbing, customer service always comes first. We pride ourselves on reliability, integrity, great communication, and providing quality work. As professional plumbers, we are timely, we pay attention to detail, and keep you informed/educated about your plumbing projects or tasks as we strive to provide the best service. Call us today as we look forward to earning your business!

"Very satisfied - a real pro. Competent, clean, explained everything. Highly recommend."

William S on January 2026


Avatar for Premier Plumbing Solutions 925

Premier Plumbing Solutions 925

4.97(
36
)
Approved Pro

Premier Plumbing Solutions 925

4.97(
36
)
Approved Pro
Super Service Award
Customers say: True professional
2 years of experience
Free onsite estimate

At Premier Plumbing Solutions, we have over 25 years experience and we take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction, from the start to the 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.

"Alberto did a fantastic job worked hard very very respectful. I’m an older gentleman and he answered all my questions he went handover hand had to secure. The water heater has started to light what to look for how to change temperatures. He left the place cleaner than it was before he came there he came within an hour of the time I first spoke to him with everything he needed And it was a holiday to boot. Well done my man well done highly recommend a holiday have hot water. "

Christopher M on January 2026

At Premier Plumbing Solutions, we have over 25 years experience and we take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction, from the start to the 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.

"Alberto did a fantastic job worked hard very very respectful. I’m an older gentleman and he answered all my questions he went handover hand had to secure. The water heater has started to light what to look for how to change temperatures. He left the place cleaner than it was before he came there he came within an hour of the time I first spoke to him with everything he needed And it was a holiday to boot. Well done my man well done highly recommend a holiday have hot water. "

Christopher M on January 2026


Avatar for Water Heaters Masters

Water Heaters Masters

4.89(
105
)
Approved Pro

Water Heaters Masters

4.89(
105
)
Approved Pro
Customers say: Quality work
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
20 years of experience

We are a small family owned business and our reputation is built one satisfied customer at a time. In a time where finding honest and well trained experts in the plumbing industry is difficult, we pride ourselves in serving you better. We know you have choices and will make every effort to demonstrate that we are the best option for your water heater, tankless water heater, and high efficiency water heater needs. We offer competitive pricing, the best products, and most important great customer service. We also want to do work for your friends and family, so the best endorsement for us is a job well done and a happy customer. We do standard water heater repairs and replacement but also bigger projects like relocation jobs and tankless water heater installations to name a few. Our technicians are highly experienced and have installed thousands of water heaters. Call or text us at 925-817-8342 for a free estimate. We serve residential or commercial customers, including apartments and condos.

"Quite excellent with relatively affordable compare to other provider ( although still expensive ). I would recommend. Excellent service."

Bill Y on December 2024

We are a small family owned business and our reputation is built one satisfied customer at a time. In a time where finding honest and well trained experts in the plumbing industry is difficult, we pride ourselves in serving you better. We know you have choices and will make every effort to demonstrate that we are the best option for your water heater, tankless water heater, and high efficiency water heater needs. We offer competitive pricing, the best products, and most important great customer service. We also want to do work for your friends and family, so the best endorsement for us is a job well done and a happy customer. We do standard water heater repairs and replacement but also bigger projects like relocation jobs and tankless water heater installations to name a few. Our technicians are highly experienced and have installed thousands of water heaters. Call or text us at 925-817-8342 for a free estimate. We serve residential or commercial customers, including apartments and condos.

"Quite excellent with relatively affordable compare to other provider ( although still expensive ). I would recommend. Excellent service."

Bill Y on December 2024


Avatar for Service Champions Heating & Air Conditioning

Service Champions Heating & Air Conditioning

4.64(
656
)
Approved Pro

Service Champions Heating & Air Conditioning

4.64(
656
)
Approved Pro
Super Service Award
Customers say: Super punctual
23 years of experience
Free onsite estimate

Service Champions is the leading heating and air conditioning contractor in Northern California servicing homeowners in East Bay, South Bay and Sacramento areas. We can make your home more comfortable and improve the quality of air you and your family breathe. We specialize in maintenance, repair and sales of all brands of air conditioners and heaters, and are experts in indoor air quality improvement through filtration, duct replacement, insulation and hospital grade UV lights. All the air conditioners we install have the new environmentally friendly refrigerant that does not damage the ozone. We also are huge proponents of super high efficient equipment, such as 95% efficient furnaces. This equipment saves homeowners a tremendous amount of money on their utility bills.

"They are prompt, honest. all tech people well knowledgeable and they follow all maintenance procedures step by step. I highly recommend. Them."

Jafar A on January 2026

Service Champions is the leading heating and air conditioning contractor in Northern California servicing homeowners in East Bay, South Bay and Sacramento areas. We can make your home more comfortable and improve the quality of air you and your family breathe. We specialize in maintenance, repair and sales of all brands of air conditioners and heaters, and are experts in indoor air quality improvement through filtration, duct replacement, insulation and hospital grade UV lights. All the air conditioners we install have the new environmentally friendly refrigerant that does not damage the ozone. We also are huge proponents of super high efficient equipment, such as 95% efficient furnaces. This equipment saves homeowners a tremendous amount of money on their utility bills.

"They are prompt, honest. all tech people well knowledgeable and they follow all maintenance procedures step by step. I highly recommend. Them."

Jafar A on January 2026


American Pipe Bursting

4.98(
29
)
Approved Pro

American Pipe Bursting

4.98(
29
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
8 years of experience

American Pipe Bursting is your solution for all your sewer main clearing and septic system needs. We take great pride in our extreme professionalism, timeliness and superior customer service on every job. We make sure to develop a lasting relationship so that the next time service is needed, there will be no question who to call.

"Friendly, honest, knowledgeable, and professional. There are cheaper plumbers out there, but the quality of service provided seems well worth it. I plan to rehire again in the future."

David H on February 2022

American Pipe Bursting is your solution for all your sewer main clearing and septic system needs. We take great pride in our extreme professionalism, timeliness and superior customer service on every job. We make sure to develop a lasting relationship so that the next time service is needed, there will be no question who to call.

"Friendly, honest, knowledgeable, and professional. There are cheaper plumbers out there, but the quality of service provided seems well worth it. I plan to rehire again in the future."

David H on February 2022


Avatar for S&L REMODELING AND DESIGN INC

S&L REMODELING AND DESIGN INC

4.84(
37
)
Approved Pro

S&L REMODELING AND DESIGN INC

4.84(
37
)
Approved Pro
Customers say: Quality work
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
13 years of experience

S&L Remodeling and Design are committed to providing honest, professional services and sincerely understanding your needs. We provide a clean and safe job site every day and make sure that the project gets done right the first time. Our team is always staying on top of the latest trends as well as training and expanding our knowledge regarding the newest construction and design solutions available, including the use of cutting-edge technology. We are ready for whatever project you throw our way.

"Did a remodeling with S&L, they've done a great job. Team is responsible and project deadline was on time. Daniel was great to work with! Highly recommended"

David D on May 2023

S&L Remodeling and Design are committed to providing honest, professional services and sincerely understanding your needs. We provide a clean and safe job site every day and make sure that the project gets done right the first time. Our team is always staying on top of the latest trends as well as training and expanding our knowledge regarding the newest construction and design solutions available, including the use of cutting-edge technology. We are ready for whatever project you throw our way.

"Did a remodeling with S&L, they've done a great job. Team is responsible and project deadline was on time. Daniel was great to work with! Highly recommended"

David D on May 2023


Avatar for JPC Rooter & Plumbing

JPC Rooter & Plumbing

4.82(
46
)
Approved Pro

JPC Rooter & Plumbing

4.82(
46
)
Approved Pro
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
27 years of experience

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!

"They did a number of things. Braced and restrapped water heater and ran copper line for pressure relief to outside. Unclogged master toilet and reseated. Bolted down second toilet. Reconnected clothes dryer vent. Repaired air gap/garbage disposal and drain line under kitchen sink, crawled under house and remove galvanized pipe straps and replaced with nylon pipe clamps. I was a contractor and used to do this work, o an very critical. They did an outstanding job. Went the extra mile several times. I was expecting a bill for a higher amount but they stuck with their estimate. I recommend them highly and would use them again!!"

cyril k on March 2022

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!

"They did a number of things. Braced and restrapped water heater and ran copper line for pressure relief to outside. Unclogged master toilet and reseated. Bolted down second toilet. Reconnected clothes dryer vent. Repaired air gap/garbage disposal and drain line under kitchen sink, crawled under house and remove galvanized pipe straps and replaced with nylon pipe clamps. I was a contractor and used to do this work, o an very critical. They did an outstanding job. Went the extra mile several times. I was expecting a bill for a higher amount but they stuck with their estimate. I recommend them highly and would use them again!!"

cyril k on March 2022


Avatar for Oak Plumbing Inc

Oak Plumbing Inc

4.61(
90
)
Approved Pro

Oak Plumbing Inc

4.61(
90
)
Approved Pro
Super Service Award
Customers say: Super punctual
10 years of experience
Free onsite estimate

Oak Plumbing is a locally owned and operated plumbing company serving Solano, Marin & Contra Costa Counties. We provide options to prevent, repair, and maintain your water system to best fit your family’s needs. Our goal is to bring customer service back to the plumbing industry. We specialize in residential plumbing repair as well as preventative maintenance. We offer up-front pricing and also Pace financing to be able to service everyone equally. We want to fix the cause of the problem, not just the symptom. Safety is extremely important to us which is why all our technicians are fully trained, background checked, and drug tested.

"Excellent. Two employees did the job. Nice guys. Very polite and they were able to complete a complex job on time. I would definitely hire this company if I ever needed a plumber. The guy who sold us on the job was extremely knowledgeable which is why I selected this company."

Michael D on April 2025

Oak Plumbing is a locally owned and operated plumbing company serving Solano, Marin & Contra Costa Counties. We provide options to prevent, repair, and maintain your water system to best fit your family’s needs. Our goal is to bring customer service back to the plumbing industry. We specialize in residential plumbing repair as well as preventative maintenance. We offer up-front pricing and also Pace financing to be able to service everyone equally. We want to fix the cause of the problem, not just the symptom. Safety is extremely important to us which is why all our technicians are fully trained, background checked, and drug tested.

"Excellent. Two employees did the job. Nice guys. Very polite and they were able to complete a complex job on time. I would definitely hire this company if I ever needed a plumber. The guy who sold us on the job was extremely knowledgeable which is why I selected this company."

Michael D on April 2025


Avatar for Albert Nahman Plumbing, Heating, and Cooling

Albert Nahman Plumbing, Heating, and Cooling

4.63(
621
)
Approved Pro

Albert Nahman Plumbing, Heating, and Cooling

4.63(
621
)
Approved Pro
Customers say: Super punctual
45 years of experience
Warranties offered

Albert Nahman Services was founded in 1981 and has been serving Berkeley, CA and it surrounding areas in all their plumbing and HVAC needs. Each of our technicians went through rigorous training so we can guarantee that you will be receiving the proper service. We are also insured and supply a warranty for our parts for five years and up to twenty years on an re-piping or sewer replacement. Call us now to make your appointment!

"My elderly mother needed a new water heater . I gave her the contact info for a great, honest plumber. But due to her dementia, she forgot and ended up having a neighbor call a plumber, they chose Albert Nahman . Two plumbers came out and spoke with her and my 85 year old uncle and they were convinced to hire them at a price of over $6k (which, if you can believe, included the "senior discount"). My mom and uncle are clearly confused and easy to take advantage of, and these guys went above and beyond to take advantage of them, charging 4 times what this job should have cost. I called and spoke to a manager and got a ridiculous story of how complicated this job was, and how they were charged a reasonable price. I took away that this company is corrupt from top to bottom. If you want to be taken advantage of, charged way more than any decent plumber would charge, and then treated like an idiot who doesn't know that they are being cheated, this is the company for you!"

Dawn H on January 2026

Albert Nahman Services was founded in 1981 and has been serving Berkeley, CA and it surrounding areas in all their plumbing and HVAC needs. Each of our technicians went through rigorous training so we can guarantee that you will be receiving the proper service. We are also insured and supply a warranty for our parts for five years and up to twenty years on an re-piping or sewer replacement. Call us now to make your appointment!

"My elderly mother needed a new water heater . I gave her the contact info for a great, honest plumber. But due to her dementia, she forgot and ended up having a neighbor call a plumber, they chose Albert Nahman . Two plumbers came out and spoke with her and my 85 year old uncle and they were convinced to hire them at a price of over $6k (which, if you can believe, included the "senior discount"). My mom and uncle are clearly confused and easy to take advantage of, and these guys went above and beyond to take advantage of them, charging 4 times what this job should have cost. I called and spoke to a manager and got a ridiculous story of how complicated this job was, and how they were charged a reasonable price. I took away that this company is corrupt from top to bottom. If you want to be taken advantage of, charged way more than any decent plumber would charge, and then treated like an idiot who doesn't know that they are being cheated, this is the company for you!"

Dawn H on January 2026

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Percolation Tests questions, answered by experts

No, you do not have to worry about new popcorn ceilings having asbestos. All residential building materials used since the mid-1980s stopped including asbestos, so new popcorn ceilings have no risk of asbestos. You can still create a textured drywall ceiling with a popcorn texture if you like, but new techniques have no risk of adding asbestos. 

If you have an older electrical system with fraying wires and other signs of damage, removal  may be the best course of action. When asbestos begins to break down, it's more likely to become airborne, increasing the risk of health issues when it's inhaled.

However, if the system is in good condition and doesn't have visible signs of wear or damage, leaving it alone may be the safest course of action. An asbestos abatement and removal professional can help you determine the best way to proceed.

The early signs of asbestos exposure are often subtle and may take years to appear. Common symptoms include persistent coughing, shortness of breath, chest pain, and wheezing. In more severe cases, exposure can lead to asbestosis, lung cancer, or mesothelioma.

In the 1980s, the use of asbestos in house siding materials underwent a significant decline, ultimately being phased out by the mid-1980s to early 1990s. This change was largely due to a growing awareness of the severe health risks associated with asbestos exposure, particularly its link to lung diseases and cancers. With increased public concern and regulatory agency involvement, building codes and regulations were updated to restrict the use of asbestos in construction materials. 

Asbestos siding can be dangerous if disturbed because the material itself poses a health risk. Asbestos is one of the leading causes of lung cancer as it causes mesothelioma—an aggressive cancer. Asbestos can also cause irreversible damage to your lungs by creating a buildup of scar tissue, called asbestosis. It has a habit of making its way through even robust personal protective equipment (PPE), which is why it’s not recommended that you perform any asbestos work yourself.

The Clayton, CA homeowners’ guide to percolation testing services

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