Prepare for a review
How to prepare for a wood-rot assessment without disturbing the damage
A safe photo and question checklist for exterior trim, deck connections and soft floors, with clear boundaries before an opening or repair.
You do not need to expose damaged wood to start a useful repair conversation. A safe overview, a short history and clear access information help the assessor understand what to review. Pulling off trim or testing a loose railing can create another problem without answering the concealed-damage question.
Record the change from a safe position
Take one overview showing where the affected component sits and one closer image if it is reachable without climbing or leaning over an edge. Keep faces, house numbers, license plates and documents out of pictures you plan to share. Send the property address through the appropriate contact channel rather than placing it in a public comment.
Describe what you actually noticed: peeling finish, a missing wood edge, movement beside a toilet, staining after rain or an open joint. Include when you first noticed it and whether the condition changed. Distinguish an observation from a theory. “Wet after rain” is useful; “the whole wall is rotten” is not established by that observation.
Do not probe suspect wood, remove finishes, climb to a roof edge, lift a toilet or load-test a rail. Keep people away from an area that seems unstable. The Bay Area rail-connection article explains why a railing's board and its connections are different assessment questions. It is general guidance, not certification of a particular deck.
Make the moisture history useful
Note any known leak, overflow, gutter issue or prior repair and whether it has been addressed. “The plumber repaired a leak last month” is more useful than assuming dry-looking wood is now sound. EPA identifies moisture control and correcting the water problem as central to mold prevention and cleanup. That guidance does not mean every stain is mold or every wet board needs the same repair.
Tell the assessor about access limits: a narrow side yard, an occupied bathroom, a locked gate or an area you cannot safely enter. Do not go into a hazardous crawlspace to gather information. The professional review should determine what can be assessed safely and whether another trade is needed.
Questions to settle before work starts
- Which visible components are included, and what remains concealed?
- Is an opening needed, and who authorizes it?
- What separate water, plumbing, roofing or structural question remains?
- How will newly exposed damage change the written scope?
- Which replacement, finish and cleanup tasks are included?
- Do permits or separately qualified specialists need review?
The USDA condition-assessment publication covers more than visual inspection, which is why pictures should start—not finish—the assessment. Read the repair cost-driver guide to compare written scopes. Find the Stockton, Bay Area or San Francisco contact before calling or using an online request. An educational checklist is not a booking, emergency service or guarantee of availability.
For later related reading—not instructions for the assessment itself—read what to retain when repair work is complete. Keep the final scope, stage records and outstanding items distinct from a safety certification.