shinnslist · data taps · building permits
Building permits data, Colorado and Virginia
Bottom line: 180,940 public records of building permits in Denver, City of Boulder and unincorporated Boulder County, Fort Collins (Larimer County) and 3 more, as of October 21, 2026, each matched to its parcel and dated. Used by Builders, lenders, insurers, AI builders.
What is loaded
Where the building permits tap has records
| Area | State | Records | As of | Source |
|---|---|---|---|---|
| Denver | Colorado | 19,025 | October 21, 2026 | Denver Community Planning & Development permits, last 3 years |
| City of Boulder and unincorporated Boulder County | Colorado | 36,385 | October 21, 2026 | City of Boulder and Boulder County building permits, last 3 years |
| Fort Collins (Larimer County) | Colorado | 2,161 | October 21, 2026 | City of Fort Collins permits in progress |
| Fairfax County | Virginia | 35,401 | October 21, 2026 | Fairfax County Land Development Services building records, last 3 years |
| Norfolk | Virginia | 41,302 | October 21, 2026 | City of Norfolk permits, last 3 years |
| Loudoun County | Virginia | 46,666 | October 21, 2026 | Loudoun County residential new-building permits since 2010 |
How to get it
By API, or from an AI assistant
- The tap's catalog entry and its county list are free and need no key:
GET https://shinnslist.com/api/v1/taps/building_permits. - Records come by county on a free API key (1,000 calls a month, no card):
GET https://shinnslist.com/api/v1/taps/building_permits?state=CO&county=denver. See the API reference. - AI assistants that speak MCP (Claude, ChatGPT, Cursor and others) can connect to
https://shinnslist.com/api/mcp. See the docs. - Weekly email alerts and per-county scrapers are not on yet.
Questions
Building permits, answered
Where can I get building permits data for Colorado and Virginia?
shinnslist's building permits tap holds 180,940 records across 6 areas, as of October 21, 2026. Each record is cleaned, matched to its parcel, dated and carries its public source.
Where does the building permits data come from?
Denver Community Planning & Development permits, last 3 years; City of Boulder and Boulder County building permits, last 3 years; City of Fort Collins permits in progress; Fairfax County Land Development Services building records, last 3 years; City of Norfolk permits, last 3 years; Loudoun County residential new-building permits since 2010. Public records only.
Who uses building permits data?
Builders, lenders, insurers, AI builders.
Can an AI agent or my own code read it?
Yes. The catalog is free and keyless at https://shinnslist.com/api/v1/taps/building_permits; records come by county on a free API key (1,000 calls a month, no card). AI assistants can also connect to shinnslist's MCP server at https://shinnslist.com/api/mcp.