Building Permit Scraper — 10 US Cities (Official Open Data)

Scrape building permit data from 10 major US cities using official government open data APIs (Socrata). Returns permit type, value, address, contractor, and a gentrification/development signal score. No API key required — all public data.

Cities covered

Chicago · New York City · Los Angeles · San Francisco · Seattle · Austin · Denver · Boston · Miami · Atlanta

What you get

• Permit number, address, permit type (New Construction / Renovation / Commercial / Demolition)
• Estimated value, issue date, expiration date
• Contractor and applicant name
• Neighborhood, zip code, latitude/longitude
• Gentrification score (HIGH / MODERATE / LOW development signal)

Use cases

• Real estate investment intelligence — spot neighborhoods with rising construction activity
• Construction lead generation — find projects before they're on Dodge Data or Construct Connect
• Market research — track development trends by city and neighborhood
• Title company prospecting — identify large new construction deals
• Urban planning research — analyze development patterns

Sample output

{
  "city": "Chicago",
  "permitNumber": "100123456",
  "address": "123 W Michigan Ave",
  "permitType": "NEW_CONSTRUCTION",
  "estimatedValue": 2500000,
  "estimatedValueFormatted": "$2,500,000",
  "contractor": "Turner Construction",
  "issueDate": "2026-03-01",
  "neighborhood": "Loop",
  "zipCode": "60601",
  "latitude": 41.8827,
  "longitude": -87.6233,
  "gentrification": { "score": 70, "signal": "🔥 HIGH DEVELOPMENT SIGNAL" }
}

Keywords

building permit scraper, construction permit data, Chicago permits, NYC building permits, real estate lead generation, construction intelligence, permit tracking, development activity, gentrification tracker, real estate investor tool, Socrata open data, building permit API, construction leads

Run on a schedule

Run weekly to get the latest permits. Every run returns fresh data — new permits are issued every business day.

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?? More Actors by This Developer

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Real Estate Scraper + ROI Calculator	Get cap rates and investment grades on properties in permit-active neighborhoods
SEC Insider Trading Tracker	See which insiders are buying real estate REITs in your target markets
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Gov Contract Scraper	Related: track government construction contracts

?? Power combo: Building Permits ? Real Estate Scraper (find the properties) ? LinkedIn Leads (find the contractors).