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Find Percolation testing pros in Atherton

Maverick Water Heaters & Plumbing

625 Vue De Mer Avenue
5.00(
15
)
Approved Pro

Maverick Water Heaters & Plumbing

625 Vue De Mer Avenue
5.00(
15
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
68 local quotes requested

We specialize in plumbing services, water heaters, repairs, inspections, installations, and more! We guarantee your satisfaction, and we won’t leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! Check out all the services we offer below and call -or- click to schedule a free estimate today! 650-400-2459

"Great! Steve arrived super quick, identified the problem and fixed it. Nice work and a nice guy. I would recommend him to anyone."

James M on February 2024

We specialize in plumbing services, water heaters, repairs, inspections, installations, and more! We guarantee your satisfaction, and we won’t leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! Check out all the services we offer below and call -or- click to schedule a free estimate today! 650-400-2459

"Great! Steve arrived super quick, identified the problem and fixed it. Nice work and a nice guy. I would recommend him to anyone."

James M on February 2024


Avatar for In & Out Plumbing & Construction Inc

In & Out Plumbing & Construction Inc

184 Harbor Way
4.16(
61
)
Approved Pro

In & Out Plumbing & Construction Inc

184 Harbor Way
4.16(
61
)
Approved Pro
Customers say: Quick response
217 local quotes requested
27 years of experience

In and Out Plumbing and Construction is a family owned business and we take pride in our honesty, our integrity, and ourselves. Our Plumbers and Technicians are trained, licensed, bonded and insured professionals. We focus on residential and commercial plumbing in the Bay Area. We are open 24/7 and on all HOLIDAYS.

"Very professional team. Was easy to schedule time for a walkthrough for a quote, and the quote was provided in a timely manner as well. Work was on time and well done. Will hire them again for future projects!"

Evan W on June 2024

In and Out Plumbing and Construction is a family owned business and we take pride in our honesty, our integrity, and ourselves. Our Plumbers and Technicians are trained, licensed, bonded and insured professionals. We focus on residential and commercial plumbing in the Bay Area. We are open 24/7 and on all HOLIDAYS.

"Very professional team. Was easy to schedule time for a walkthrough for a quote, and the quote was provided in a timely manner as well. Work was on time and well done. Will hire them again for future projects!"

Evan W on June 2024


Avatar for Service Champions Heating & Air Conditioning

Service Champions Heating & Air Conditioning

4430 Yankee Hill Rd
4.64(
655
)
Approved Pro

Service Champions Heating & Air Conditioning

4430 Yankee Hill Rd
4.64(
655
)
Approved Pro
Customers say: Super punctual
450 local quotes requested
22 years of experience

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.

"Our Service Tech, Alex Peck, arrived on time to perform the annual check up & tune-up of our HVAC System. He was very professional and following the Tune-Up asked if there was any other items that needed done or looked into that he could take care of. His services were very much appreciated and very professional. Lee"

Lain L on September 2025

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.

"Our Service Tech, Alex Peck, arrived on time to perform the annual check up & tune-up of our HVAC System. He was very professional and following the Tune-Up asked if there was any other items that needed done or looked into that he could take care of. His services were very much appreciated and very professional. Lee"

Lain L on September 2025


Avatar for Plumbtree Plumbing and Rooter, Inc.

Plumbtree Plumbing and Rooter, Inc.

210 Paraiso Ct
5.00(
18
)
Approved Pro

Plumbtree Plumbing and Rooter, Inc.

210 Paraiso Ct
5.00(
18
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
24 local quotes requested

*Emergency Services Available. Plumbtree Plumbing & Rooter offers reliable plumbing services at the most competitive prices. With our stellar plumbing services, we will get your plumbing system back to working at its best in no time. Whether you are experiencing a complicated plumbing issue, broken water heater, cracked plumbing fixture, or leaking faucet, our experienced technicians will work quickly to fix your problem and eliminate your frustrations! We serve San Jose, Milpitas, Santa Clara, Campbell, Saratoga, Mountain View, Los Altos, Los Gatos, Sunnyvale, Fremont, Newark, Union City, Redwood City, Atherton, Menlo Park, and Morgan Hill. We specialize in complete plumbing services, including drain cleaning, clogged toilet repair, sewer replacement, cleanout installation, water leak repair, water system repipe, water service replacement, leaky toilet, household gas testing, household gas system leak detection, gas line repair, gas system repipe, gas leaks, water heater maintenance, water heater repair, water heater replacement, tankless water heater installation, tankless water heater maintenance, and tankless water heater repair.

"Our potfiller kitchen faucet began to leak at the wall. Great reviews on Yelp and Nextdoor prompted us to contact Plumbtree Plumbing. Their online appointment facility was very easy to use; an appointment was secured for the same afternoon. A very professional, courteous, and personable plumber, Bruce, diagnosed the problem and made an expert repair for a reasonable cost. We were very pleased. Bruce was genuinely concerned about our home's plumbing. Without any sales pressure at all, he and his equally expert associate, Matthew, made an inspection of our water pipes and discovered three issues: 1) the "water shutoff valve" at the base of the house was actually a gas shutoff valve!, and 2) a number of our water pipes were galvanized pipe instead of the desired/required copper pipe. While under the house, Matthew spotted issue # 3) and photographed it: one of our heating ducts had become disconnected, thus pumping hot air into the crawlspace! So, we are having Plumbtree Pumping come back to make a thorough estimate to correct items 1) and 2). (And our HVAC people will fix item 3)!) Please strongly consider using Plumbtree Plumbing for all your plumbing needs!"

Dennis H on December 2024

*Emergency Services Available. Plumbtree Plumbing & Rooter offers reliable plumbing services at the most competitive prices. With our stellar plumbing services, we will get your plumbing system back to working at its best in no time. Whether you are experiencing a complicated plumbing issue, broken water heater, cracked plumbing fixture, or leaking faucet, our experienced technicians will work quickly to fix your problem and eliminate your frustrations! We serve San Jose, Milpitas, Santa Clara, Campbell, Saratoga, Mountain View, Los Altos, Los Gatos, Sunnyvale, Fremont, Newark, Union City, Redwood City, Atherton, Menlo Park, and Morgan Hill. We specialize in complete plumbing services, including drain cleaning, clogged toilet repair, sewer replacement, cleanout installation, water leak repair, water system repipe, water service replacement, leaky toilet, household gas testing, household gas system leak detection, gas line repair, gas system repipe, gas leaks, water heater maintenance, water heater repair, water heater replacement, tankless water heater installation, tankless water heater maintenance, and tankless water heater repair.

"Our potfiller kitchen faucet began to leak at the wall. Great reviews on Yelp and Nextdoor prompted us to contact Plumbtree Plumbing. Their online appointment facility was very easy to use; an appointment was secured for the same afternoon. A very professional, courteous, and personable plumber, Bruce, diagnosed the problem and made an expert repair for a reasonable cost. We were very pleased. Bruce was genuinely concerned about our home's plumbing. Without any sales pressure at all, he and his equally expert associate, Matthew, made an inspection of our water pipes and discovered three issues: 1) the "water shutoff valve" at the base of the house was actually a gas shutoff valve!, and 2) a number of our water pipes were galvanized pipe instead of the desired/required copper pipe. While under the house, Matthew spotted issue # 3) and photographed it: one of our heating ducts had become disconnected, thus pumping hot air into the crawlspace! So, we are having Plumbtree Pumping come back to make a thorough estimate to correct items 1) and 2). (And our HVAC people will fix item 3)!) Please strongly consider using Plumbtree Plumbing for all your plumbing needs!"

Dennis H on December 2024


Avatar for Albert Nahman Plumbing, Heating, and Cooling

Albert Nahman Plumbing, Heating, and Cooling

3333 Martin Luther King Jr Way
4.45(
686
)
Approved Pro

Albert Nahman Plumbing, Heating, and Cooling

3333 Martin Luther King Jr Way
4.45(
686
)
Approved Pro
Customers say: Super punctual
710 local quotes requested
44 years of experience

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!

"The plumbing technicians came out as promised to assess the leak. They were both very courteous and kind and assessed the damage. I am giving three stars because they estimated the cost to be almost 250% higher than what the actual cost was to fix the issue. I am sure there are customers out there that would just accept any bid however, please get multiple beds for these projects, especially when working with this company as they will inflate the cost to take advantage of the situation. I ended up only paying for the $79 estimate."

Kevin C on September 2025

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!

"The plumbing technicians came out as promised to assess the leak. They were both very courteous and kind and assessed the damage. I am giving three stars because they estimated the cost to be almost 250% higher than what the actual cost was to fix the issue. I am sure there are customers out there that would just accept any bid however, please get multiple beds for these projects, especially when working with this company as they will inflate the cost to take advantage of the situation. I ended up only paying for the $79 estimate."

Kevin C on September 2025


"Fernando was quick to replace the valve."

Andreas S on September 2025

We have 7 year experience on plumbing we are very clean and we use heavy duty materials. To get the best quality project.

"Fernando was quick to replace the valve."

Andreas S on September 2025


Avatar for TJ's Plumbing

TJ's Plumbing

Based In
4.40(
5
)
Approved Pro

TJ's Plumbing

Based In
4.40(
5
)
Approved Pro
Customers say: Quick response
21 local quotes requested
15 years of experience

TJ's Plumbing has been in business for over 10 years we specialize in residential and commercial Plumbing systems. We pride ourselves on the quality work we provide, while delivering great customer service! Call -or- click to schedule your estimate today!

"Though I am happy with the final result, I feel that TJ did a bit of a bait and switch. The person who showed up, Felipe, was from a different company. "TJ" quoted me $900 for the job and $300 to move washer and dryer to access the main valves. That's $1,200. In the end, washer and dryer were not moved. But I did ask them to replace a faucet cartridge in my bathtub, which they did. But before that, Felipe had managed to turn off the water to my unit without moving washer and dryer. He then had to cut into drywall to locate the outbound pipes, but made a mistake. The next cut he made found the water pipes but these were the wrong pipes. An emergency water shutoff to the building was required. In the end, the bill was for $1,800. They did not take credit card. No receipt was given to itemize work done. These guys, from Moor Plumbing Solutions, did work hard and got the job done but there was a serious lack of transparency from the very beginning, not to mention a near disaster."

Rick M on July 2024

TJ's Plumbing has been in business for over 10 years we specialize in residential and commercial Plumbing systems. We pride ourselves on the quality work we provide, while delivering great customer service! Call -or- click to schedule your estimate today!

"Though I am happy with the final result, I feel that TJ did a bit of a bait and switch. The person who showed up, Felipe, was from a different company. "TJ" quoted me $900 for the job and $300 to move washer and dryer to access the main valves. That's $1,200. In the end, washer and dryer were not moved. But I did ask them to replace a faucet cartridge in my bathtub, which they did. But before that, Felipe had managed to turn off the water to my unit without moving washer and dryer. He then had to cut into drywall to locate the outbound pipes, but made a mistake. The next cut he made found the water pipes but these were the wrong pipes. An emergency water shutoff to the building was required. In the end, the bill was for $1,800. They did not take credit card. No receipt was given to itemize work done. These guys, from Moor Plumbing Solutions, did work hard and got the job done but there was a serious lack of transparency from the very beginning, not to mention a near disaster."

Rick M on July 2024


Avatar for Bay Water Plumbing

Bay Water Plumbing

5.00(
10
)
Approved Pro

Bay Water Plumbing

5.00(
10
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
73 local quotes requested

Bay Water Plumbing & Water Systems offers the best water treatment systems on the market. We are locally owned and we're the professionals that you can trust! We have been providing water system products to customers in the Bay Area for over 10 years. Our company installs the best quality water heaters on the market. Contact us to help you eliminate hard water from your home.

"Repairman was very professional and did a great job with the repair. I haven’t had issues with my water heater since."

Xavier G on February 2021

Bay Water Plumbing & Water Systems offers the best water treatment systems on the market. We are locally owned and we're the professionals that you can trust! We have been providing water system products to customers in the Bay Area for over 10 years. Our company installs the best quality water heaters on the market. Contact us to help you eliminate hard water from your home.

"Repairman was very professional and did a great job with the repair. I haven’t had issues with my water heater since."

Xavier G on February 2021


Avatar for BEAR Remodeling Inc.

BEAR Remodeling Inc.

2678 N Main St
4.90(
10
)
Approved Pro

BEAR Remodeling Inc.

2678 N Main St
4.90(
10
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
8 years of experience

Don't wait to create your dream home! ✨ Our new financing options make your remodel projects affordable NOW. 💰 Limited-time rates available—click the link to get started! ➡️https://www.enhancify.com/bear-remodeling-inc **Due to our current installation schedule we have a project minimum* depending on the job size- ask for details as it varies depending on project size- starting at $10 K Please call today to schedule a complimentary consultation 925-567-3021 BEAR Remodeling, Inc. is a family-owned business and a full-service General Contractor that specializes in residential home remodeling projects. Our services include bathroom remodeling, kitchen remodeling, room additions, garage conversions, and ADU'S With full licensing, bonding, and insurance, it ensures a reliable and trustworthy experience for its clients. Our team of experienced professionals, which includes both engineers and designers, collaborate in order to deliver exceptional results, consistently exceeding client expectations and transforming homes into stunning spaces. (we do not work with modular/trailer homes or offer handyman services.)

"Working with BEAR Remodeling on our ADU garage conversion has been a great experience! The 3D design has really helped us see the project before work began. The team has stayed organized, finished on time, and delivered exactly what we had imagined. Everything has turned out clean, modern, and built to last. We have happily recommended BEAR Remodeling to anyone looking for reliable remodeling services!"

Ryker H on May 2025

Don't wait to create your dream home! ✨ Our new financing options make your remodel projects affordable NOW. 💰 Limited-time rates available—click the link to get started! ➡️https://www.enhancify.com/bear-remodeling-inc **Due to our current installation schedule we have a project minimum* depending on the job size- ask for details as it varies depending on project size- starting at $10 K Please call today to schedule a complimentary consultation 925-567-3021 BEAR Remodeling, Inc. is a family-owned business and a full-service General Contractor that specializes in residential home remodeling projects. Our services include bathroom remodeling, kitchen remodeling, room additions, garage conversions, and ADU'S With full licensing, bonding, and insurance, it ensures a reliable and trustworthy experience for its clients. Our team of experienced professionals, which includes both engineers and designers, collaborate in order to deliver exceptional results, consistently exceeding client expectations and transforming homes into stunning spaces. (we do not work with modular/trailer homes or offer handyman services.)

"Working with BEAR Remodeling on our ADU garage conversion has been a great experience! The 3D design has really helped us see the project before work began. The team has stayed organized, finished on time, and delivered exactly what we had imagined. Everything has turned out clean, modern, and built to last. We have happily recommended BEAR Remodeling to anyone looking for reliable remodeling services!"

Ryker H on May 2025


"We had long neglected basic servicing done on a tankless water heater: flushing, etc. Service was professional and friendly. "

Kathy S on November 2025

Here at Maverick Water Heaters & Plumbing, we are locally owned and operated. Call us today to schedule an appointment for fast, quality and reliable work. We look forward to assisting you! Customer satisfaction is our number one core value.

"We had long neglected basic servicing done on a tankless water heater: flushing, etc. Service was professional and friendly. "

Kathy S on November 2025

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Percolation Tests questions, answered by experts

Professional testing is advisable to ensure safety regulations are met, and accurate results are obtained using certified methods.

Determining if vermiculite contains asbestos requires professional testing. Visual inspection alone cannot confirm the presence of asbestos fibers, as these fibers are so small that they are not visible to the naked eye. A certified asbestos inspector will collect samples of the vermiculite insulation and send them to a laboratory for analysis. Microscopic examination using polarized light microscopy (PLM) or transmission electron microscopy (TEM) is necessary to accurately identify asbestos fibers. DIY sampling is strongly discouraged due to the potential health risks associated with asbestos exposure.

In most cities, it isn’t legal to cover asbestos tile. This is because it’s difficult for the average homeowner to know if they’re causing fibers to become airborne. While there is a method of sealing the asbestos in place—called encapsulation—this needs to be done by a pro, and isn’t appropriate for all situations. 

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. 

Asbestos fibers can stay airborne for 48 to 72 hours, depending on the home's ventilation. Fibers can linger longer in enclosed spaces with poor airflow. Because the fibers are microscopic, they can easily remain suspended, making them difficult to detect without professional equipment.

The Atherton, CA homeowners’ guide to percolation testing services

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

What do you need done? We’ll find top pros.
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