CompCurve vs ATTOM: national property data platform or boutique property, people and B2B data?
ATTOM is one of the best-known national property data platforms. Here is how a boutique consultancy compares for teams that need custom pulls, people and professional joins, and a phone number that answers.
Comparisons reflect publicly described product positioning as of September 2026. Vendors change offerings often; verify details with them before deciding.
| Dimension | ATTOM | CompCurve |
|---|---|---|
| What it is | Large national property data platform with APIs, bulk files and a broad product catalog | Boutique consultancy sourcing property, people and B2B professional data to brief |
| Property coverage | National assessor, recorder, AVM, foreclosure, permits, boundary, school and risk analytics | Comparable public-record coverage, plus daily listings and rentals, joined to permits and licenses on one parcel key |
| Beyond property | Primarily property and neighborhood data | Consumer, telco, auto, licenses, 830M professional profiles, global briefs |
| Custom populations | Standard products and filters; custom work through their services | Custom sourcing is the core service: scoped in a day, measured accuracy |
| Contact verification | Owner contact available on some products | Every phone carrier-verified for line type and activity; emails SMTP-verified; DNC and litigator scrubs |
| Licensing and terms | Enterprise agreements for bulk and API; published $499/yr seat tier with card checkout | Negotiable terms sized to the pull; per-record, subscription or flat license |
| Support | Premier support and training named at their enterprise tier; published sales line otherwise | Founder-level support on every account |
Pick ATTOM when you want a large, standardized property platform with a broad catalog, bulk and Snowflake or Databricks delivery, and a self-serve API trial to start on.
Pick CompCurve when you need the property record joined to a person, a company or a licence on one key, a population that has no product behind it, or verified consumer contact that a property platform does not carry.
Pick CompCurve when you need the property record joined to a person, a company or a licence on one key, a population that has no product behind it, or verified consumer contact that a property platform does not carry.
Many of our clients use a national platform for lookups and use us for the bulk pulls, appends and niche builds. The two are complementary more often than competitive.
Want both? That is common.
Many clients keep a platform subscription for lookups and use us for the bulk pulls, the append passes and the niches the platform will not stock.