Is asbestos commonly found in older homes?

• <div><p>Asbestos is commonly found in certain older homes, depending on the time period in which they were built. Asbestos use in home construction began in the 1920s and peaked after World War II before being limited by legislation in the ’70s, so a house constructed in 1880 is unlikely to contain asbestos, while one built in 1950 is much more likely to. Research a home’s history to determine the time period when it was built and any renovations made since. </p></div>

Do I need to be worried about asbestos?

• <div><p>If your home was built before 1989 and still has original vinyl, there’s a high probability of asbestos mixed into the old flooring, which can harm you and your family if it’s disturbed from removal. If you suspect that you have asbestos, you’ll want to call in <a href="https://www.angi.com/nearme/asbestos-abatement/">an asbestos removal expert</a> to evaluate the situation. </p></div>

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*The Angi rating for Percolation Testing companies in San Gabriel, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Percolation Testing needs.

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Last update on September 18, 2025

Reviewed in September 2025
Pool looks amazing! I couldn't ask for anything more. Chemicals tested weekly, pool inspected and thoroughly cleaned each week.
Pool Care Services
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Reviewed in February 2019
A-1 did an excellent job testing mold in my residence and explaining risk factors and potential remediation that may or not be needed. Very professional service, highly recommend!
A1 Certified Environmental
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Reviewed in October 2017
Mike was extremely courteous and thorough with his testing. He explained how the testing device worked and the readings it produced.
Kurtis Environmental
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Reviewed in August 2016
David from HERS RATER LA was immediately responsive when contacted, and was able to schedule given the short notice, a certification appointment within the week, which was critical since there was a pending inspection from the city inspector the week after. <br /> <br /> Prior to the...
HERS Rater LA/HouseSmart Green Solutions
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Reviewed in March 2016
They were on time. They knew what they were doing. The test came back within 24 hours. They conducted the test professionally. The test came back negative, even though another company claimed it was positive.
Home Biotesting
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Reviewed in January 2016
William was easy to contact and he was professional. We set an appointment between 4:30-5:30 and at 4:30 I recieved a call saying he was at my home. We recieved the test results with in 24 hours. We appreciated his honesty and would definitely recommend to others.
Laroue Environmental, LLC
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Reviewed in August 2015
It went well. He had us test the circuit ( use the microwave) . He was pleasant. He left the work area neat. He refused payment of any kind. I definitely will call him the next time we have electrical problems. <br />
Electric Zone
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Reviewed in July 2015
I used Marble and Stonelife because of favorable Angie's List reviews and was not disappointed. Chris Chai is really into stone. It shows in the pride he takes in his work. Chris and his helper cleaned, polished and resealed our granite kitchen counters, replaced the caulking that was done...
Marble & Stonelife
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Reviewed in March 2015
This company is very willing to correct anything and basically did a good job. My house was built in 1927. They explained, after they started painting and when I realized they weren't doing any sanding preparation, that they couldn't sand because the paint probably contained lead. I accepted...
Foothill Painting Co., Inc
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Reviewed in July 2014
<p>My pool was leaking. I had contracted another company in 1/2013 to do the leak detection test. for a fee of $375. The leak was coming from my skimmer. The other company wanted to charge hundreds of dollars more to fix the skimmer than Leakfinders Inc. and refused to match their price. I am...
Complete Pool Services
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Percolation Tests questions, answered by experts

Asbestos is commonly found in certain older homes, depending on the time period in which they were built. Asbestos use in home construction began in the 1920s and peaked after World War II before being limited by legislation in the ’70s, so a house constructed in 1880 is unlikely to contain asbestos, while one built in 1950 is much more likely to. Research a home’s history to determine the time period when it was built and any renovations made since.

Knob and tube wiring is an older type of electrical wiring that's no longer used and generally not considered safe. However, some homes still have it, or may have a knob and tube wiring system that was incorrectly modified or rigged to work with a modern electrical system. Knob and tube wiring may contain asbestos insulation, but the only way to know is to have the material professionally tested.

If your home was built before 1989 and still has original vinyl, there’s a high probability of asbestos mixed into the old flooring, which can harm you and your family if it’s disturbed from removal. If you suspect that you have asbestos, you’ll want to call in an asbestos removal expert to evaluate the situation.

Asbestos was commonly used in cloth wiring, but not all types of cloth wiring contain it. The age, condition, and appearance of the wiring can provide clues as to whether asbestos is present or not, but the only way to know for sure if the wiring has asbestos is to have it tested.

Yes, most services include testing the generator to ensure functionality. Confirm with your provider.

The San Gabriel, CA homeowners’ guide to percolation testing services

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

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