Source coverage
HistoricDistrictCheck source coverage map.
A human-readable index of high-priority pages, confidence labels, source names, and reviewed dates. Official sources remain final where applicable.
Source coverage map
This page lists HistoricDistrictCheck priority pages with canonical URLs, source labels, confidence notes, and reviewed dates.
| Page | Confidence | Source label | Reviewed |
|---|---|---|---|
| HistoricDistrictCheck homepage | Reviewed June 2026 | Official historic district and preservation sources | Jun 2026 |
| Check the historic district map by address | Reviewed June 2026 | Official historic district and preservation sources | Jun 2026 |
| Check historic district status by address | Reviewed June 2026 | Official historic district and preservation sources | Jun 2026 |
| Check whether a house may be in a historic district | Reviewed June 2026 | Official historic district and preservation sources | Jun 2026 |
| Check landmark review source routes | Reviewed June 2026 | Official historic district and preservation sources | Jun 2026 |
| Washington, DC HistoricDistrictCheck | High confidence | DC Historic Preservation Office | Jun 2026 |
| New York, NY HistoricDistrictCheck | High confidence | NYC Landmarks Preservation Commission | Jun 2026 |
| Philadelphia, PA HistoricDistrictCheck | High confidence | Philadelphia Atlas | Jun 2026 |
| San Francisco, CA HistoricDistrictCheck | High confidence | San Francisco Property Information Map | Jun 2026 |
| Chandler, AZ HistoricDistrictCheck | High confidence | Chandler official planning portal | Jun 2026 |
| Washington historic district by address | High confidence | DC Historic Preservation Office | Jun 2026 |
| St. Louis, MO HistoricDistrictCheck | High confidence | St. Louis Planning and Urban Design | Jun 2026 |
Download: JSON or CSV. API docs: /data/answer-api/.
Cite this page
Use this page as a public web reference, not an official agency record. The linked official source remains the final authority.
HistoricDistrictCheck. "HistoricDistrictCheck Source Coverage Map". https://www.historicdistrictcheck.com/data/source-coverage/. Reviewed Jun 2026.
Source and citation notes