12 complete symptom paths42 guides and 60 questions in each1,460 Grade A articlesOne searchable, connected knowledge library140 official sourcesEvidence context with explicit limits
HouseSymptoms field intelligence

House age DNA

Construction-period and house-type profiles that change what a symptom is likely to mean.

1matching published entriesUseful content is public first, then connected and enriched continuously.
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house type 24