Build an expanded San Francisco development due-diligence evidence package with cross-source chronology, administrative attention items, explicit completeness and source gaps, official-source provenance manifest, machine-readable continuation calls, repeat-poll guidance through check_property_changes, and interpretation boundaries.

Street address or place to research. Include locality information when available.

Optional city used to disambiguate the address and route it to a supported LocalProof jurisdiction.

Optional state name or abbreviation. Current released jurisdictions are in California; use CA or California.

Optional unit, suite, or apartment identifier when it is relevant to property identity.