Assessment desk · open

San Antonio · same-day testing

Find out what the material contains.

60-second request · no account, no card

5.0/5

76 verified reviews

A+BBB
rated

$50 OFF applied · testing only · no removal sales

ClearGuard Environmental San Antonio · Bexar County

Asbestos testing in San Antonio, TX — sampled today, results in 24 hours

ClearGuard Environmental San Antonio is a staffed dispatch office of the ClearGuard Environmental national network. Request a tester and the closest certified sampler in San Antonio comes to your address, collects the material safely and sends it to an accredited lab under chain of custody.

Single-material test in San Antonio: $475 USD · coupon CLEAR50 takes $50 off today.

Same day

Sampler at your address

24 hours

Accredited lab report

$50 OFF

Coupon CLEAR50

5.0from 76 San Antonio reviews

We collect and test material. ClearGuard does not sell removal work, keeping the finding independent.

Our San Antonio office

ClearGuard Environmental San Antonio

Hours
Monday–Sunday · Open 24 hours
Service area
San Antonio plus New Braunfels, Schertz, Boerne, ConverseBexar County

Order a test in San Antonio

Property material check

Locate the property

$50 OFF

Covered — San Antonio, TX

Same-day windows most weekdays. Staffed by our own inspectors · Bexar, Comal, Guadalupe, Wilson and Medina counties

Seven western states staffed directly · no account, no card. You see the price before anything is booked.

San Antonio asbestos testing questions

How fast can you test asbestos in San Antonio?

Our San Antonio office dispatches a certified sampler the same day in most cases, and accredited lab results come back the same day or next day depending on the time we collect.

What does asbestos testing cost in San Antonio?

A single-material test in San Antonio runs $475 USD, and coupon CLEAR50 takes $50 off today. Requests involving more than one material are priced before sampling begins.

Are you open after hours in San Antonio?

Yes. The San Antonio desk answers Monday through Sunday, 24 hours a day, so contractors can book before an early crew start.

Do you also remove asbestos in Texas?

No — we test and nothing else, anywhere in the Texas state. That keeps your report independent, and you can hand it to any licensed abatement contractor you choose.

Other offices

All 61 offices

San Antonio customer reviews

5.0 stars from 76 San Antonio, TX customers

Homeowners, landlords and contractors in San Antonio who needed a certified answer fast. Part of 76 five-star reviews across the ClearGuard Environmental network.

5.0

76 reviews

  • 5 out of 5 stars

    Reliable

    Easy scheduling, clean report formatting. We will use them again on the next unit turn.

    Aaron S. · San Antonio ·

  • 5 out of 5 stars

    Bathroom remodel cleared

    Old sheet vinyl and backer board both sampled. The report cited the exact layers so the tile crew knew what to do.

    Jessica T. · San Antonio ·

  • 5 out of 5 stars

    Straight answers

    No scare tactics, no vague pricing. He told me what testing could and could not tell me before I paid a dime.

    Marcus B. · San Antonio ·

  • 5 out of 5 stars

    Worth every dollar

    Two samples, next-day results, coupon applied. Our insurance claim went through without an argument.

    Yvette D. · San Antonio ·

  • 5 out of 5 stars

    Drove out to us quickly

    We are on the far north edge of the metro and they still made a same-day window happen.

    Daniel K. · San Antonio ·

  • 5 out of 5 stars

    Great with tenants

    They coordinated directly with our tenant and kept the disruption to about forty minutes.

    Christina L. · San Antonio ·

Read all 76 reviews →

Field coverage

Other staffed service locations

Our national headquarters is at 22320 Foothill Blvd, Suite 200, Hayward, CA 94541(510) 340-7791. From there we dispatch the closest certified sampler across 61 offices across seven states, open 24 hours a day, seven days a week.

All 61 offices

Know before you cut

Asbestos facts that matter for San Antonio buildings

The rules that push people to test before starting work

Pre-1981 textured ceilings and plenty of other older building materials are presumed to contain asbestos until a lab report says otherwise, and federal rules require testing before most renovation or demolition work on covered structures.

OSHA requires employers to determine whether suspect material contains asbestos before it's disturbed, which is why licensed contractors ask you for a report before they'll touch anything.

Federal NESHAP rules, enforced by state and local environmental agencies, call for a thorough asbestos inspection before demolition and many renovation projects, plus advance notice once certain thresholds are met.

Requirements vary by project and jurisdiction. The laboratory result documents the specific material collected; confirm any filing requirements with the relevant authority.

Landlords, property managers and sellers use testing defensively too: a dated report showing exactly what was checked and when holds up well if a tenant or buyer raises questions later.

Why hardware-store test kits usually get turned away

A mail-in kit may provide a reading for a submitted chip, but professional collection adds location documentation and a traceable chain of custody.

The bigger issue is how the sample gets collected. Dry-scraping your own popcorn ceiling to grab a chip is exactly the kind of disturbance that releases fibers — people regularly contaminate a room trying to save a couple hundred dollars.

A proper inspection wets the material first, contains the work area, documents exactly where the sample came from, and delivers a report naming the inspector and the lab. That's the version everyone downstream will actually accept.

What actually sets the price of an asbestos test

Price comes down to how many distinct materials are collected, property access and laboratory timing. ClearGuard Environmental applies $50 off today and confirms multi-material pricing before collection begins.

Standard 24-hour turnaround is included. When the lab can support a 4–8 hour result, expedited handling is a clearly listed $99 add-on rather than a surprise charge. Your price is shown before dispatch, and $50 off today comes off the testing total.

Every distinct material counts as its own sample. A kitchen remodel touching ceiling texture, floor tile and mastic is three samples, not one — which is why a quick call or a few phone photos gets you an accurate number before we ever show up.

Testing a whole structure before demolition is quoted separately, because the rules require covering every suspect material systematically, not spot-checking a couple of rooms.

How the 24-hour turnaround actually works

Samples collected during the day go to an accredited lab and are analyzed on a 24-hour turnaround, so a written report usually lands in your inbox the next business day.

Timing matters. Call in the morning and you'll often get a same-day sampling slot; call in the evening and you'll usually get the first opening the next morning.

The finished PDF records the sampled material, collection location, analytical method and laboratory finding.

The steps

How a sampling job actually runs

  1. 01

    Tell us what you're about to disturb

    Call, text a photo, or fill out the form. We identify the suspect materials, estimate the sample count, and lock in your flat price before anyone is dispatched.

  2. 02

    A certified inspector collects the samples safely

    Each distinct material is wetted down, a coin-sized piece is cut, sealed, labeled and logged under chain of custody. The mark left behind is smaller than a light-switch plate, and the space is left clean.

  3. 03

    An accredited lab runs the PLM analysis

    Samples are examined by Polarized Light Microscopy with dispersion staining — the EPA-recognized method for bulk building materials — with point counting available for borderline results.

  4. 04

    You get a written report within 24 hours

    A PDF lists every sample location, the analytical method, the fiber type detected and the reported percentage.

What you receive

What goes into your written lab report

You get a PDF that records the sampled material, collection details, analytical method and laboratory result. It is the lab record for the material collected during your appointment.

  • Property address, inspection date and inspector identification
  • A description and photo reference for every material sampled
  • Asbestos type detected (chrysotile, amosite, crocidolite) and percentage per layer
  • Clear pass/fail language: asbestos detected or none detected at the 1% threshold
  • Laboratory accreditation details and the analytical method used
  • Full chain-of-custody documentation from collection through analysis

Side by side

What you actually get San Antonio, TX

Asbestos testing service comparison
ProviderHow you get a priceTurnaroundNotes
A typical local labQuote by email, days later3-4 business daysRush jobs cost more
Removal providerMay bundle testing with a work estimateVariesAlso sells the next service
ClearGuard EnvironmentalA firm phone quote in about two minutesFast accredited turnaroundTesting only · $50 OFF today

We price by how many distinct materials your project disturbs, so a phone quote is more accurate than a number posted online that will not match your job. Call (510) 340-7791 and $50 off today comes off the booking.

FAQ

Asbestos testing in San Antonio: more questions

How do I actually book a test?

Call (510) 340-7791, text a photo of the material, or submit the form on any page. We confirm the sampling window, collect the samples, and return a certified written report within 24 hours with $50 off today.

How much does asbestos testing cost?

Single-material asbestos testing with ClearGuard Environmental includes the inspector visit, contained sampling and a certified 24-hour lab report, and right now it comes with $50 off today. Call (510) 340-7791 and we'll confirm your exact quote in about two minutes — no surprise add-ons, no multi-day wait.

How long do asbestos test results take to come back?

Certified written results come back within 24 hours of the samples reaching our accredited lab. A lot of labs quote three to five business days by default and charge extra to go faster; here, 24 hours is simply the standard.

Can asbestos testing happen the same day?

Usually, yes. Requests placed early in the day typically land a same-day sampling window; requests placed later are normally scheduled for the first slot the next morning.

Do I need an asbestos test before I renovate?

If the building went up before 1990 and your project will cut, scrape, sand or demolish suspect material, yes. OSHA requires employers to determine whether asbestos is present before disturbing it, and most licensed contractors won't start without a lab report in hand.

Is asbestos testing legally required before demolition?

Yes. Federal NESHAP rules, enforced by state and local regulators, require a thorough asbestos inspection before demolition of covered structures, along with advance notice to the regulating agency.

Do all popcorn ceilings contain asbestos?

No, but textured ceilings sprayed before 1981 are presumed to contain asbestos until a lab report proves otherwise. One coin-sized sample settles the question within 24 hours.

Is the asbestos already in my home dangerous right now?

Intact, undisturbed material generally isn't an active hazard. The risk shows up once it's sanded, scraped, drilled, cut or demolished and fibers become airborne — which is exactly why testing happens before work starts, not after.

How much damage does sampling leave behind?

Barely any. Each material needs one coin-sized sample, wetted before it's collected and sealed in a labeled bag. The mark it leaves is typically smaller than a light-switch plate.

How many samples will I actually need?

One for each distinct material — meaning each one that's different in color, texture or installation era. A kitchen remodel touching ceiling texture, floor tile and mastic needs three samples, not one.

Customer reviews

Rated 5.0 out of 5 across every metro we cover

76 verified reviews from homeowners, property managers, contractors and insurance adjusters who needed certified answers fast.

5.0/5

76 verified reviews

A+BBB
rated
  • BRBethany R. Verified customer
    5 out of 5 stars

    Great communication

    Confirmation text, arrival text, report link. I never had to chase anyone for status.

    Surprise ·

  • JWJamal W. Verified customer
    5 out of 5 stars

    Apartment portfolio testing

    Sampled four buildings in two days and gave us a single spreadsheet summary by unit.

    Gresham ·

  • CDCynthia D. Verified customer
    5 out of 5 stars

    Storm damage documentation

    A tropical storm tore open the soffits, and we needed to know what was up there before repairs started.

    Fort Worth ·

  • PSPatrick S. Verified customer
    5 out of 5 stars

    Good work, tight schedule

    They squeezed us in a day earlier than expected and still did a thorough job.

    Everett ·

  • ANAlicia N. Verified customer
    5 out of 5 stars

    Clear pricing on the phone

    Told me the number before dispatching anyone, and it never moved.

    Rio Rancho ·

  • DMDerrick M. Verified customer
    5 out of 5 stars

    Second property, same quality

    Used them on my rental last year and again on my own house. Consistent every time.

    Hillsboro ·

  • SPSimone P. Verified customer
    5 out of 5 stars

    1972 townhome

    Textured ceiling and vinyl in the same job. Both sampled in one visit, both reported clearly.

    Santa Fe ·

  • WKWesley K. Verified customer
    5 out of 5 stars

    Barn conversion project

    Unusual structure, and they still identified and sampled everything that mattered.

    Salem ·

Terms to know

Terms your contractor and your lab report will use

ACM
Asbestos-containing material — any product with more than 1% asbestos by weight.
PACM
Presumed asbestos-containing material — older suspect material treated as positive until a test proves otherwise.
Friable
Material that crumbles under hand pressure and therefore releases fibers easily.
Non-friable
Asbestos bound into a hard material such as floor tile or stucco; a hazard mainly when cut or broken.
PLM
Polarized Light Microscopy, the standard lab method for identifying asbestos in bulk building samples.
Point count
A more precise PLM technique used when asbestos content sits close to the 1% regulatory threshold.
Homogeneous area
A section of material that's uniform in color, texture and installation date — each one needs its own sample.
Chain of custody
The signed paper trail tracking a sample from collection to laboratory analysis.
Chrysotile
White asbestos, by far the most common type found in U.S. residential materials.
Amosite
Brown asbestos, typically found in insulation board and thermal products.
Encapsulation
Sealing or covering asbestos material in place instead of removing it — often the least expensive compliant option.
Abatement
Licensed removal of asbestos material under containment, carried out by a certified abatement contractor.
NESHAP
Federal air-quality standard requiring asbestos testing and notification before most demolition and renovation work.
State environmental agency
The state-level agency that enforces asbestos and demolition air-quality rules alongside federal requirements.
State health department
The state agency that typically licenses asbestos inspectors and abatement contractors and enforces state asbestos rules.