Every CRE broker knows: by the time a property hits LoopNet or CoStar, the best deals are already gone. The information edge goes to whoever spots activity earliest.
Building permits are the leading indicator most brokers overlook. A demolition permit signals a potential land sale. A major renovation permit signals an owner investing in a hold — or preparing to sell at a higher basis. A change-of-use permit signals a repositioning play.
This data is public. Every city and county publishes permit records. The problem is that it's scattered across hundreds of portals with no unified search.
What building permit data tells you
- New construction permits — developers pulling permits today will need financing, tenants, or buyers in 12-18 months
- Renovation permits — owners investing $500K+ in upgrades are either holding long-term or prepping for sale
- Demolition permits — land will be available; development opportunities emerge
- Change of use permits — retail-to-residential conversions, office-to-industrial shifts
- Permit value thresholds — filter for commercial-grade projects ($100K+) to skip residential noise
How to pull permit data programmatically
Many cities publish permit data through Socrata open data portals. Instead of scraping each portal individually:
- Building Permits & Construction Leads — search permits across multiple jurisdictions. Filter by permit type, value, date, and location. Returns contractor info, project descriptions, and valuations. $3.50/1K results.
Building a pre-market lead pipeline
- Set up a daily search for permits in your target markets above a value threshold ($250K+ for commercial)
- Filter by permit type — focus on new construction, major renovation, and demolition
- Cross-reference property owners against your CRM to identify existing relationships
- Enrich with entity data — use US Business Entity Search to identify the LLC or corp behind the permit
- Track permit velocity — neighborhoods with clusters of new permits signal emerging submarkets
What this replaces
| Tool | Annual cost | Coverage |
|---|---|---|
| CoStar | $15,000-30,000/yr | Curated, delayed |
| Reonomy | $10,000-20,000/yr | Good but expensive |
| Manual portal checks | 5-10 hrs/week | Limited to a few cities |
| Permit API pipeline | $50-200/month | Real-time, scalable |
The data advantage compounds. While competitors react to listings, you're reaching out to property owners before they've engaged a broker.
Combining with other data sources
For a complete pre-market picture:
- Dallas County Property Tax Search — property valuations, ownership records, tax delinquency
- FDIC BankFind — identify bank-owned properties via failed institution records
- YellowPages Business Leads — find tenants and businesses at target addresses
The brokers who win aren't smarter. They're earlier. Permit data is how you get there first.
I build data automation tools for real estate, compliance, and lead generation. More at dev.to/avabuildsdata.
Top comments (0)