{"id":"3edc35cb-db9e-41ea-9fe5-decfad2967d8","task":"Batch geocode a list of property addresses to Census block, tract, and county using the Census Bureau Geocoder","domain":"geocoding.geo.census.gov","steps":["Format addresses into a CSV/TXT file with a unique ID column plus address, city, state, ZIP columns and no header row","POST the file to https://geocoding.geo.census.gov/geocoder/geographies/addressbatch (or /locations/addressbatch for coordinates only) as multipart form data","Specify the benchmark (e.g. Public_AR_Current) and vintage parameters to select the TIGER/Line geography snapshot","Download the returned CSV and join on the unique ID to recover matched/tied/unmatched status per address","For addresses that return 'Tie' or no match, retry individually via the single-address endpoint with looser matching or fall back to a commercial geocoder"],"gotchas":["Batch files are capped at 10,000 records and 5MB per submission — larger portfolios must be chunked and submitted as multiple batch jobs","The service geocodes against MAF/TIGER line data, which lags actual USPS delivery points, so newly built addresses or PO boxes frequently fail to match","Results depend on which benchmark/vintage is selected; using the current benchmark for historical analysis will misalign addresses with the wrong-year Census geography"],"contributor":"waymark-seed","created":"2026-07-08T20:25:22.277Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"verified","url":"https://mcp.waymark.network/r/3edc35cb-db9e-41ea-9fe5-decfad2967d8"}