Coverage
Cities Tarn covers
Coverage depth varies by city. Some cities have decades of permit-level detail; others are covered through broader public and open-data sources. Every city page tells you which kind of coverage you're getting before you search.
Austin, TX
Austin is covered by a live query against the city's public Building Permits dataset, matched by address as you search.
Standard coverageBaltimore, MD
Baltimore is covered by a live query against the city's public building permits dataset, matched by address as you search.
Standard coverageChicago, IL
Chicago is covered by a live query against the city's public Building Permits dataset, matched by address as you search.
Standard coverageCincinnati, OH
Cincinnati is covered by a live query against the city's public building permits dataset, matched by address as you search.
Standard coverageCleveland, OH
Cleveland is covered by a live query against the city's public building permits dataset, matched by address as you search.
Standard coverageDallas, TX
Dallas is covered by a live query against the city's public Building Permits dataset, matched by address as you search.
Standard coverageDenver, CO
Denver is covered by a live query against the city's public commercial construction permits dataset, matched by address as you search.
Standard coverageDetroit, MI
Detroit is covered by a live query against the city's public BSEED building permits dataset, matched by address as you search.
Deep coverageEden Prairie, MN
Eden Prairie is covered by a deep extract from the LOGIS ePermits system: nearly 108,000 permits spanning Plumbing, Mechanical, Building, and Fire — Fire records back to 1998, Plumbing back to 2003 — matched by address.
Deep coverageEdina, MN
Edina is covered by a deep extract from the LOGIS ePermits system: over 90,000 permits spanning Plumbing, Mechanical, and Building — Plumbing records back to 2010 — matched by address. Electrical permits route through the state rather than the city, so coverage there is minimal.
Standard coverageKansas City, MO
Kansas City is covered by a live query against the city's public Permits dataset, matched by address as you search.
Standard coverageLos Angeles, CA
Los Angeles is covered by a live query against LADBS's public permit system — building, electrical, plumbing, and mechanical permits, matched by address as you search.
Deep coverageMaple Grove, MN
Maple Grove is covered by a deep extract from the LOGIS ePermits system: nearly 134,000 permits spanning Electrical, Mechanical, Plumbing, Building, and Fire — Fire records back to 1978, the deepest history of any city currently on Tarn — matched by address.
Standard coverageMiami, FL
Miami is covered by a live query against the City of Miami's public building-permits dataset, matched by address as you search.
Standard coverageMilwaukee, WI
Milwaukee is covered by a live query against the city's public building permits dataset, matched by address as you search.
Standard coverageMinneapolis, MN
Minneapolis is covered by a live query against the city's public CCS Permits system, matched by address as you search, with an added layer of Minnesota-specific code-era risk checks.
Deep coverageMinnetonka, MN
Minnetonka is covered by a deep extract from the LOGIS ePermits system: over 179,000 permits spanning Electrical, Mechanical, Plumbing, Building, and Fire — Mechanical records back to 1994, Electrical back to 1999 — matched by address.
Standard coverageNashville, TN
Nashville is covered by a live query against Metro Nashville's public building permits dataset, matched by address as you search.
Standard coverageNew Orleans, LA
New Orleans is covered by a live query against the city's public Permits dataset, matched by address as you search.
Standard coverageNew York, NY
New York City is covered by a live query against NYC DOB's public job filing and violation systems — alteration and new-building filings alongside DOB Violations (BIS) and DOB Safety Violations (DOB NOW), matched by address as you search.
Standard coveragePhiladelphia, PA
Philadelphia is covered by a live query against the city's public Licenses & Inspections permit dataset, matched by address as you search.
Standard coveragePittsburgh, PA
Pittsburgh is covered by a live query against the city's public PLI Permits dataset, matched by address as you search.
Standard coverageSan Francisco, CA
San Francisco is covered by a live query against the city's public Building Permits dataset, matched by address as you search.
Standard coverageSeattle, WA
Seattle is covered by a live query against the city's public Building Permits dataset, matched by address as you search.
Deep coverageSt. Louis Park, MN
St. Louis Park is covered by a deep extract from the LOGIS ePermits system: nearly 127,000 permits spanning Electrical, Mechanical, Plumbing, Building, and Fire — Fire records back to 1999 — matched by address.