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Guides, tutorials, and insights on building with permit data.

How Solar Contractors Find Leads Using Building Permit Data

If you sell solar installations and you're still buying $80-$150 leads from aggregators, you're paying for prospects who already said yes to seven other contractors. Here's the playbook for using building permit data to find homeowners before your competitors do — including the four-step lead-gen workflow and real CAC math.

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How to Get Building Permit Data via API in 2026

Building permit data has been locked away in thousands of municipal portals. Here's how to access 39M+ permits across 165 U.S. jurisdictions through a single API — with Python, JavaScript, and curl examples.

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Solar Permit Data API: Find Every Solar Installation by ZIP Code

Solar companies spend thousands on leads. Building permit data shows you exactly which homeowners just installed panels or filed roofing permits — the highest-intent prospects in the market.

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Using Construction Permit Data to Find Real Estate Opportunities

Permit data is the earliest public signal of construction activity — often weeks before work begins. Here's how investors use it to spot emerging neighborhoods and renovation waves.

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How to Look Up Any Contractor's Permit History via API

Before hiring a contractor, check their track record. PermitStack's contractor search lets you see permit history, project types, and activity across multiple cities programmatically.

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PermitStack vs Shovels.ai: Which Building Permit API Is Right for You?

Both provide building permit data via API, but they serve different markets. Here's an honest comparison of coverage, pricing, features, and developer experience.

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