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Pillar To Post Home Inspectors - Ron Sierra

4.9 (23 reviews)
Closed 8:00 am - 11:00 pm

Services - Pillar To Post Home Inspectors - Ron Sierra

Home inspection

Environmental testing

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5 years ago

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2 years ago

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5 years ago

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3 years ago

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Paul A.

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3 years ago

Very accommodative & a thorough job. Efficient & easy to make appointment. Report was quite detailed.

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Paul A.

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6 years ago

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6 years ago

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7 years ago

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7 years ago

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7 years ago

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8 years ago

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5 years ago

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7 years ago

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Ron S.

Thank you for such a positive review! We wish you best of luck!!

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5 years ago

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6 years ago

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7 years ago

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Ron S.

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5 years ago

Ron conducted our home inspection. It was very thorough and I could appreciate his knowledge, expertise and details on our final report.

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8 years ago

Ron may be the most seamless piece of our home buying experience. He gave us peace of mind. Highly recommend.

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7 years ago

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8 years ago

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7 years ago

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8 years ago

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Ron S.

Thank you for the kind words and taking the time to share them.

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9 years ago

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Ask the Community - Pillar To Post Home Inspectors - Ron Sierra

Review Highlights - Pillar To Post Home Inspectors - Ron Sierra

. He is professional, knowledgeable, THOROUGH, respectful and has excellent communication skills

Mentioned in 5 reviews

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Environmental Assessments & Solutions

Environmental Assessments & Solutions

5.0
(3 reviews)

Mold is our kryptonite as we have been made sick by mold poisoning in the past. So, when buying a…read morehouse, we have to be careful beyond the average family. That means deep, intense testing. Charles has been phenomenal in helping us decide if a house we are considering buying is safe for our health issues (and, if not, what we can do to make it safe. the tests aren't all back yet!). Tho he had to travel quite a way, his inspection was meticulous and beyond thorough. He spent nearly 8 hours going into every nook and cranny. He knows where to look, how to ensure the home is safe including the furnace and HVAC system. He was also very careful with making sure we would not overspend on unnecessary tests which we appreciate (altho we went for some more expensive ones at the get go anyway). And then after that full day, he hustled to make fedex to ensure the tests would be evaluated in a safe and expeditious timeline and THEN dropped off the cultures to the lab in person. Further, bc of the purchase timeline, he rescheduled other clients to be able to assess our house so we could get all tests back within our inspection timeline. He is also very well versed on newer technologies and proper remediation techniques for air handling and venting systems. Highly, highly ,highly recommend!

Charles was terrific. He was easy to schedule an appointment with, was super knowledgeable,…read morethorough, and helped me better understand my path forward towards remediation. He put my worries at ease and I would recommend his services to any homeowner.

RTK Environmental

RTK Environmental

3.3
(23 reviews)

Absolutely bizarre experience. I'm still a little dizzy and it's not even over. Why/how is it…read morethey're still in business? Flood damage in my NYC apt. Called RTK for asbestos/mold check. I was told $1500. The asbestos guy showed up and 30 mins later told me he'd finished and left. That's it - no card, no introduction, no discussion of the work, not even how are you? He just turned round and left. Since then I've heard absolutely NOTHING from RTK regarding asbestos risk. They simply won't talk to me about it. In fact they won't even bill me for it. (truly) A few days later a woman showed up to check for mold. She did her work and charged me $865 for it, on the spot, using a card reader - which is perfectly OK, of course, but is the exact opposite business practice from the asb guy. Obvious question - are they workers from different contractors with (totally) different practices and standards? Meaning their results will probably not be comparable or standardized and so pretty much meaningless. Couple of days later I called to get the reports and the closing invoice - figuring $635. I was told it would be $3,865 - that's $3,000 for a 30 minute asbestos check and $865 for mold and, so far, NO REPORTS. What are they doing? So I objected to the $3,865 charge and said the quote was $1,500 and I'd already paid them $865 so if they sent me the reports and an invoice for $635 I'd pay it and we could all move on. I've heard NOTHING from them so now my offer's withdrawn. I've made other arrangements and no longer need RTK's reports. I will get the $865 charge reversed (no reports delivered) when it appears on my statement. So RTK ends up with $0, a derogatory on their credit report and reviews like this. The whole process has been total insanity. I simply cannot fathom what they're doing at RTK. They don't even bother to bill you for it (appropriately so). (exit stage L shaking head)

TLDR: Disappointing Experience with RTK Environmental - Incomplete Mold Testing Led to Major…read moreConsequences After medical testing revealed my wife had dangerously high levels of mold in her system, we hired RTK Environmental with the expectation that they would help us identify the root cause in our home. I communicated clearly and repeatedly that this was a serious health issue, and that we wanted testing to be thorough and comprehensive. While our technician, John, was responsive and pleasant, the testing ultimately fell short in critical ways. RTK missed some of the most significant mold sources in our home--specifically in the basement and garage, which later proved to be major contamination zones. Their clearance testing gave our home a "green light," and we were told it was safe for my wife to return. Unfortunately, she became ill again almost immediately upon reentering the home. After speaking with RTK about this, the owner did come to our home. While more knowledgeable about mold illness, he did admit that they were not on the forefront of this. Even still, during his visit he found more sources of mold than the original tester had. We have now been displaced for five months, including three months post-remediation, during which we worked with another company that took a much more investigative approach. Their testing uncovered severe contamination, including dangerously high levels of Stachybotrys (black mold) and Chaetomium--toxins that were completely missed by RTK's original inspection and clearance process. In hindsight, RTK's attempt to save us a few hundred dollars by discouraging more extensive testing--and their lack of mold-specific expertise and thoroughness--has led to tens of thousands of dollars in additional expenses and months of lost time, stress, and health setbacks. I strongly urge anyone dealing with health-related mold concerns to seek out a company that specializes in source-level testing and takes environmental illness seriously. This experience has been both financially and emotionally devastating for our family.

Pillar To Post Home Inspectors - Ron Sierra - home_inspectors - Updated July 2026

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