Both provide nationwide U.S. property data by API and bulk delivery. Realie is self-service first — a free tier, month-to-month plans from $50, and an API key without a sales call — and sources county assessor, recorder, and parcel records from 3,100+ counties. ATTOM is a long-established property data licensor; confirm its current coverage, pricing, and terms with ATTOM directly.
Realie and ATTOM sit in the same category: nationwide U.S. property records delivered by API and in bulk. The comparison that matters is rarely feature checklists, because the underlying public records overlap heavily. It is how you buy, how fast you can start, what a request costs at your volume, and how quickly the API responds inside your architecture. This page states Realie’s specifics, which we can verify. For ATTOM’s current coverage, pricing, contract terms, and performance, check with ATTOM — vendor terms change, and you should evaluate against what you are actually quoted rather than a third-party summary.
Coverage: 180M+ properties across all 50 states, sourced from 3,100+ county assessor and recorder offices. Fields: parcel identity and boundary geometry, owner of record and mailing address, assessment and tax records, sale and transfer history, mortgage and lien records, structural characteristics, and zoning or land-use codes. Realie does not provide MLS listings, listing photos, or agent data.
Access: REST API, an MCP server for IDE agents, a CLI for terminal workflows, and bulk delivery to AWS, Google Cloud, or Azure. Pricing: free tier, then $50, $150, and $350 per month, month to month, with the same endpoints and fields on every tier and up to 100 parcels per request. Published average API response time is 9.49 ms.
Can I test the production dataset before signing anything, or is evaluation gated behind a sales call? What is the minimum contract term, and what happens to data I have already retrieved if I stop paying? Is a billable unit a record or a request, and what does my actual monthly volume cost under each model?
Does the licence permit storing, redistributing, or displaying the data in the way my product requires? How is coverage in the specific counties I care about, rather than nationally? What is p50 and p99 latency measured from my own infrastructure? Answer those eight for each vendor and the decision usually makes itself.