Off-market property valuation at portfolio scale
Value every deal in your pipeline in seconds. Nationwide, off-market, via API or bulk upload, with no six-figure data contract and no in-house data team.
Trusted by SFR funds, private lenders, and PropTech platforms across all 50 states.
You screen far more than you buy.
Manual comps don't scale, your analysts are the bottleneck, and the institutional AVM platforms (CoreLogic, HouseCanary) are six-figure contracts built for funds 10× your size. So you either overpay for data you barely use, or fly blind at the top of the funnel.
A valuation engine built for off-market screening
Nationwide
All 50 states, trained on tens of millions of property records with full tax and sale history. Not a single-market tool.
Accuracy where it counts
2.48% median error across 1,380+ graded closings, on a public scoreboard published daily at resideline.com/accuracy. Every estimate ships with a calibrated confidence band, so you always know which values to trust.
Honest by design
Every estimate ships with a P10 to P90 confidence interval, and the model auto-flags low-confidence properties, so your team hand-reviews only the ~20% that truly need it.
Built to plug in
REST API, bulk CSV scoring, and white-label reports. Live in hours, not months, with no six-figure contract and no in-house data team.
Under the hood
Not a single model. A multi-engine ensemble.
Most "AVMs" are one regression. Resideline runs four valuation engines behind one API, arbitrated by a router that picks the right engine per property and flags low-confidence cases.
Comparable-sales engine: Selects and weights true comps the way a seasoned human appraiser would, but at machine scale across every market.
Gradient-boosted ML: 40-feature model with calibrated P10 to P90 confidence intervals.
Specialized condo engine: A dedicated model for condos, a type that comps poorly against single-family.
Income / multi-family engine: Direct capitalization (NOI ÷ cap rate), the appraiser's income approach, automated.
Multi-tier spatial anchoring (subdivision, then micro-neighborhood, then ZIP), conformal-calibrated confidence bands, continuous drift correction, and tens of millions of records across all 50 states.
AVM Router
One address in, the right engines queried, then blended and triaged into a value with a P10 to P90 confidence band.
Why Resideline, not them
| Capability | Resideline | CoreLogic / HouseCanary | Zillow / Redfin |
|---|---|---|---|
| Off-market screening | Core focus | Enterprise-priced | On-market biased |
| Bulk / API for funds | Yes | Yes | Consumer |
| Price for a mid-size fund | Accessible | Six-figure | n/a |
| Confidence band + auto-triage | Yes | Partial | No |
| Time to integrate | Hours | Months | n/a |
Who it's for
SFR Funds & Operators
Screen entire pipelines in seconds. Value off-market deals in your buy-box without an analyst bottleneck.
Private & DSCR Lenders
Fast, low-cost off-market valuations for underwriting investor SFR, without the bank-grade AVM overhead.
PropTech & Fintech Platforms
Embed instant valuations in your product via API or white-label. Buy versus build. Ship in days.
Prove it on your portfolio, free
Send us your last 50 to 100 acquisitions (or a slice of current pipeline). We'll return Resideline's valuation for each, side by side with your actual purchase or appraised price, so you see the accuracy on your own deals, in your own markets, before you pay a dollar.
Accuracy figures reflect core suburban single-family and subdivision-matched markets. A free portfolio test confirms accuracy on your specific markets.