Real estate valuation estimates what a property is worth and how its value may change. Investors, lenders and appraisers rely on recorded transactions, live listings and financing data to support their numbers.
Property transaction data records sale prices, dates and parties from deeds and land registries, the foundation of comparable sales analysis and automated valuation models. Property listings data shows asking prices, rents, time on market and attributes for homes and commercial units on the market. Mortgage data adds loan amounts, rates, loan-to-value ratios and performance, which helps assess financing conditions and risk.
A typical workflow
- Standardise addresses and match properties across sources.
- Select comparable sales and adjust for differences.
- Add listings and rental evidence for current market direction.
- Back-test estimates against later sale prices.
What to check before you buy
Ask about the recording lag between sale and availability, coverage by region, how non-market transfers are flagged and how properties are matched across datasets. In some countries sale prices are not public or are published only in aggregate, which limits what any provider can offer.