Write down what you're seeing
Note where it's showing up, when you first noticed it, whether it tracks with rain or AC cycles, how it's changed over time, and anything already done about it. A couple of photos and rough measurements go a long way toward a useful first call.
Read the local context
Cape Coral is unusual in that it was drawn before it was built: platted in the 1950s and 1960s as a canal subdivision, it filled in gradually over the decades that followed, which is why the housing is overwhelmingly postwar and newer and why so much of it repeats a small number of designs. For moisture work that uniformity is genuinely useful, because the failure points repeat too. Single-story concrete block on a slab means problems collect at the floor line and behind wall bases rather than in a crawl space, and block gives up water far more slowly than frame construction does. The screened outdoor rooms that came with these designs are the other recurring place to look, since the roof junction where they attach to the house is a detail that ages badly and lets water into the wall behind it.
Ask about the part you won't see later
The mold you can see is rarely the entire issue — what happens underneath framing, insulation, or slab finishes matters more. Ask the provider to spell out, in writing, exactly what prep work and verification will happen before everything gets closed back up and is no longer visible.
Line up full scopes, not just prices
Check each proposal for how it handles protection of the rest of the home, access logistics, material choices, permits, testing, cleanup, restoration, exclusions, warranty terms, and how change orders get handled.
What official local sources add
None of these records governs remediation, but two of them are worth pulling anyway because they explain recurrence. Base flood elevation and flood zone tell you whether the property has taken water before, which changes what an assessment should look for -- contamination inside wall cavities from an earlier event rather than only what is visible now. The canal and stormwater infrastructure is the other: on a canal-platted lot the water table sits close to the surface and is managed rather than natural, so a structure can stay persistently damp for reasons that have nothing to do with the roof or the plumbing. Where correcting a moisture source means regrading or altering discharge near a seawall, the permit path and waterfront constraints should be confirmed first.
Sources were reviewed June 22, 2026. Because Cape Coral's canal lots carry very different flood designations from block to block, confirm the parcel's actual flood zone, base flood elevation, and permit requirements with the city before signing off on work.