Asbestos Testing
Asbestos testing in Oregon is governed by DEQ, which requires an accredited-inspector survey before renovation or demolition of any residence built before 2004.
Asbestos testing sits outside the home inspection as an environmental hazard. DEQ rule OAR 340-248-0270 requires an asbestos survey by an accredited inspector before demolition or renovation of a residential building constructed before 2004. Owner-occupants renovating their own single-family home are exempt from the survey rule.
A rule that bites renovating buyers
DEQ requires a survey before demolition or renovation of any residence built before 2004, a threshold far later than most buyers expect. The survey must be by an accredited inspector.
The owner-occupant exemption covers a homeowner doing their own renovation. It does not cover a contractor doing the work, and DEQ states it does not cover demolition.
Why the home inspection stays silent
OAR 812-008-0204 excuses the certified inspector from determining environmental hazards, and asbestos cannot be identified by sight. The report may note suspect materials; it will not test them.
A buyer planning work on a pre-2004 house should budget for the DEQ survey as a known step. It is the same document the contractor will need on site.
Asked and answered
Through an accredited asbestos inspector, who samples suspect materials and issues a survey report. In Oregon that report is a DEQ requirement, not a preference. OAR 340-248-0270 requires it before demolition or renovation of a residence built before 2004, unless you are an owner-occupant renovating yourself. The home inspection does not test for asbestos.
No Oregon agency publishes a price for the survey. DEQ sets the requirement, an accredited-inspector survey before renovation or demolition of a pre-2004 residence, and leaves the fee to the market. Get quotes from accredited inspectors and confirm the report format meets OAR 340-248-0270, because the contractor must have it on site.
There are no reliable visual signs, which is why DEQ requires an accredited inspector rather than a look. Age is the only proxy: Oregon treats every residence built before 1 January 2004 as needing a survey before demolition or renovation. Suspect materials in that era include certain floor tiles, mastics, textured ceilings and insulation, but only sampling confirms.
Questions are taken verbatim from live Google People Also Ask results for this inspection type. Answers rest on Oregon rule text and the records cited above.