Santa Clara County · Bay Area
Mold Air Quality Testing in Palo Alto, CA
Indoor air sampling for mold spores with an outdoor control sample, plus moisture readings, analyzed by an accredited lab so you know whether indoor levels are elevated.
Quick answer
ClearPoint Environmental offers mold air quality testing in Palo Alto, CA: indoor air samples compared with an outdoor control, analyzed by an accredited lab with results in 24–48 hours. Quotes start at $475 with CLEAR50 applied, +$55 per additional sample. We never sell remediation.
- From $475 with CLEAR50 ($50 off) applied · $475–$625 by scope · +$55 per additional sample
- Same-day or next-day visit · lab results in 24–48 hours
- Testing is all we do. We never quote, sell or perform removal — our only job is an honest result.
Request a tester
Where is the property?
All of California · no account, no card. You see the price before anything is booked.
Mold Air Quality Testing in Palo Alto: what's different here
Local homes
Features historic professor-ville estates, mid-century Eichlers, and contemporary high-tech residences. The city maintains a high percentage of well-preserved older homes.
What we see in Palo Alto
Persistent humidity and occasional heavy rains can affect older foundations and roofing systems. Proper ventilation is key in these homes to prevent mold growth in enclosed spaces.
Neighborhoods we visit often: Old Palo Alto, Barron Park, College Terrace, Palo Alto Hills, and every other part of Palo Alto and Santa Clara County.
When you need mold air quality testing
- A musty smell with no visible mold
- After a leak, flood or storm water got into walls, floors or a crawlspace
- Allergy or breathing symptoms that ease when you leave the home
- Before buying, renting or re-occupying a space, or after remediation (clearance testing)
What your report includes
- • Spore counts per room and outdoors
- • Mold types found (for example Aspergillus/Penicillium, Stachybotrys)
- • Moisture readings and photos
- • What the numbers mean and next steps
How it works
- 1
Book
Enter your address, choose Mold air quality test and see your price.
- 2
Inspect
The sampler checks moisture and takes indoor air samples plus an outdoor control.
- 3
Lab
An accredited lab counts and identifies spores on each sample.
- 4
Report
You get spore counts by room compared with outdoors, in plain English.
Serving Palo Alto, CA
ClearPoint Environmental Palo Alto
525 University AvePalo Alto, CA 94301(510) 901-5743
Monday–Sunday · Open 24 hours
Get directionsFAQ
Mold Air Quality Testing in Palo Alto: questions
How much does mold air quality testing cost in Palo Alto?
From $475 with CLEAR50 ($50 off) applied · $475–$625 by scope · +$55 per additional sample. The price is shown before anyone is dispatched.
How fast can you test in Palo Alto?
Same-day or next-day visit · lab results in 24–48 hours. Call (510) 901-5743 for the earliest window.
Which office serves Palo Alto?
ClearPoint Environmental Palo Alto, 525 University Ave, Palo Alto, CA 94301, (510) 901-5743. We cover every neighborhood in Santa Clara County.
Do you do mold remediation?
No. We only test, so we never profit from telling you there is a problem. Our clearance tests also check remediators' work independently.
How long do mold results take?
Lab results normally arrive in 24–48 hours after the visit.
Mold Air Quality Testing by city
Bay Area
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Guides and articles
Quick answers
- How much does professional mold testing cost in California?
- How long does it take to get mold air quality results?
- When is mold testing necessary for a home or office?
- What do the numbers in a mold testing report mean?
- What are the rights of California renters regarding mold?
- Should I get a mold inspection before buying a house?
Customer reviews
Rated 5.0 out of 5 by California customers
119 verified reviews from homeowners, property managers, contractors and insurance adjusters who needed certified answers fast.
5.0
119 reviews
- 5 out of 5 stars
1972 townhome
Textured ceiling and vinyl in the same job. Both sampled in one visit, both reported clearly.
Simone P. · San Jose ·
- 5 out of 5 stars
Barn conversion project
Unusual structure, and they still identified and sampled everything that mattered.
Wesley K. · San Mateo ·
- 5 out of 5 stars
Answered a weekend call
Left a message Saturday and got a callback within the hour with a Monday morning slot.
Tanya B. · San Rafael ·
- 5 out of 5 stars
Straightforward and safe
He wetted every sample point and bagged the debris on the spot. Very careful work.
Hector L. · Santa Monica ·