Verified record
Knock Knock Home Inspections is a one-person operation out of Provincetown, run by owner Ross Zachs, who says he brings property management, investment, and renovation experience to the inspections he does on the Outer Cape. The written record is thin — just two Google reviews, both five stars, both from 2025 — but they point the same direction. One buyer, inspecting from out of state, singled out how much extra time Zachs put in: he stayed available for a number of follow-up conversations to walk through details that needed more explanation. The other reviewer called the inspection fast, professional, and thorough, and said they'd use him again. Zachs says he's a member of the American Society of Home Inspectors, and the company's own site lists Massachusetts home inspector license #1137 — that number comes from the business's own site rather than a registry check, so it's worth confirming directly with the state before booking. With only two reviews on file there isn't much of a track record to lean on, but for a Provincetown-based inspector, both point toward detailed work and responsiveness to buyers who can't be on-site for the walkthrough.
Typical Greater Boston range for this kind of work, from regional averages — not a quote from Knock Knock Home Inspections. Use it to sanity-check bids, then get the real number in writing.
Firms price in size tiers, not per foot — pick the bracket.
Estimated range
$530 – $760
Typical inspection around $650
Ross at Knock Knock did an extremely thorough job on my home inspection. I was out-of-state during the inspection so I wanted to dig into some of the details that required extra time and further explanations. He made himself available to me for a number of conversations that helped sort out some issues which I wanted to understand better. I recommend Knock Knock to future home buyers.
Fast, professional, and thorough. Would (and will!) use again.
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1 change recorded — last scanned Aug 22, 2026.
Found a hidden structural problem before purchase5.0
ASHI, radon, infrared and drone certified4.5
Walks buyers through the findings4.0
Handles remote buyers4.6