ATTOM AVM review
Nationwide residential AVM data for teams integrating property estimates into their products.
Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026
ATTOM AVM provides automated residential property value estimates across the United States. It is aimed at mid-market and enterprise teams in real estate investment, portals, mortgage, insurance, appraisal management and marketing that need valuation data in their own systems or workflows. Each estimate includes a minimum and maximum range plus a property-specific confidence score, giving data consumers more context than a single value alone.
The product’s strongest fit is as a data component for applications and analytical workflows. ATTOM combines assessor, recorder and MLS data with machine-learning model blending, hyperlocal census-block price indices and historical transactions. Coverage spans all 50 states, with up to 30 years of sales history. Delivery options include APIs, bulk files, custom extracts and match-and-append workflows, so buyers can choose an integration or data-transfer approach suited to their operation. This breadth makes it relevant to teams that need comparable-sales and portfolio analytics inputs; it is less suited to buyers seeking a finished real estate analysis application.
A key boundary is its valuation focus: ATTOM AVM does not cover rent or occupancy analytics, so teams needing those measures should consider a separate data source or a broader analytics product. Pricing is handled through sales rather than published plans; ATTOM says cost varies by solution and coverage and directs buyers to its data experts. That makes it a more natural fit for organizations evaluating a tailored data scope than for buyers who need self-serve pricing. Choose it when nationwide residential estimates, ranges, scoring and delivery flexibility are central; look elsewhere if rental analysis is essential or a ready-to-use analytics interface is the priority.
ATTOM AVM pros and cons
- Where it wins
- Returns value estimates with minimum and maximum ranges and confidence scores
- Covers all 50 states with hyperlocal indices and up to 30 years of sales history
- Offers API, bulk-file, custom-extract and match-and-append delivery
- Where it doesn't
- Does not provide rent or occupancy analytics
- Pricing requires contacting ATTOM and varies by solution and coverage
- Focused on residential valuation data rather than a complete analytics suite
ATTOM AVM fact sheet, pricing and score →
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