Indiana Property Data for Academic Research
3.7 million parcels with multi-year assessments, sales records, and building characteristics for research in housing, tax policy, and urban planning.
The Problem
Academic researchers spend months collecting data from county websites
Data format varies between counties, requiring extensive cleaning
Historical assessment data is difficult to obtain programmatically
Spatial analysis requires separate GIS data acquisition
How the API Helps
Longitudinal Assessment Data
Multi-year assessment records for panel data analysis. Study assessment trends, trending factors, and equalization across districts.
GET /parcels/{id}/assessmentsSales Disclosure Data
Arm's-length transactions from Indiana SDF files. Study housing market dynamics, price trends, and assessment-to-sale ratios.
GET /parcels/{id}/salesSpatial Data & Overlays
Parcel geometry plus flood zones, soil data, and community resilience indices. Study the intersection of property values and environmental risk.
GET /parcels/{id}/overlaysFree Tier for Prototyping
50 requests/day at no cost -- enough to prototype research designs and validate hypotheses before scaling up.
GET /parcels/search (free tier)Try It Yourself
curl -H "X-API-Key: YOUR_KEY" \ "https://api.aribatax.com/parcels/search?county_id=79&prop_class=residential&limit=50"
Start Building Today
Free tier includes 50 requests/day. No credit card required.