Building Permit Monitor — City Open Data API

Track building permits from major US cities in real time using official Socrata open data APIs. This actor pulls permit records from Chicago and New York City, returning structured JSON with permit numbers, types, addresses, applicants, estimated costs, and issue dates. Ideal for real estate investors, contractors, and market researchers who need to monitor construction activity programmatically.

What data can you get?

Each permit record includes the following fields:

• permitNumber — Official permit ID from the city
• permitType — Type of permit (e.g., PERMIT - NEW CONSTRUCTION, PERMIT - RENOVATION/ALTERATION)
• workDescription — Description of the permitted work (up to 300 characters)
• applicantName — Name of the permit applicant or contracting firm
• address — Street address of the permitted property
• city — Source city (chicago or nyc)
• state — State code (IL or NY)
• zipCode — ZIP code of the property
• issueDate — Date the permit was issued
• estimatedCost — Reported project cost (Chicago only)
• status — Permit status (NYC only)
• url — Source API endpoint
• scrapedAt — Timestamp of data extraction

Use cases

• Real estate investment — Monitor new construction permits to identify hot neighborhoods and emerging development zones before prices rise
• Competitive intelligence for contractors — Track which firms are pulling the most permits and what types of work they are doing
• Urban planning research — Analyze permit volume trends over time to study city growth patterns and infrastructure development
• Insurance underwriting — Identify properties undergoing major renovation or new construction that may need updated coverage
• Lead generation for building suppliers — Find active construction projects and reach out to contractors with material and service offers
• Compliance monitoring — Track permit issuance for specific addresses or neighborhoods to ensure regulatory compliance

How to use

1. Select a city (Chicago or NYC)
2. Optionally set a permit type filter or since date to narrow results
3. Set max results (default 200, up to 10,000)
4. Run the actor and download results as JSON, CSV, or Excel

Example input

{
  "city": "chicago",
  "since": "2025-06-01",
  "maxResults": 100
}

Example output

{
  "permitNumber": "100925422",
  "permitType": "PERMIT - NEW CONSTRUCTION",
  "workDescription": "New construction of a three-story single family residence with attached garage",
  "applicantName": "John Smith Construction LLC",
  "address": "1425 N DAMEN AVE",
  "city": "chicago",
  "state": "IL",
  "zipCode": "60622",
  "issueDate": "2025-07-15T00:00:00.000",
  "estimatedCost": "450000",
  "status": null,
  "url": "https://data.cityofchicago.org/resource/ydr8-5enu.json",
  "scrapedAt": "2026-02-27T12:00:00.000Z"
}

Pricing

Event	Price
Actor start	$0.10
Per result	$0.0005

Example: 100 permits = $0.10 + $0.05 = $0.15 total

Integrations

Connect via webhooks, Apify API, Zapier, Make, or Google Sheets. Schedule daily or weekly runs to build a permit activity dashboard, feed CRM pipelines, or trigger alerts when new permits appear in target areas.

Built with Apify SDK.