Appraiser Benefits

Comprehensive data access, advanced search, and real time updates and accuracy make OneKey® MLS the best place for appraisers to generate 1004 forms that not only meet the needs of lenders, but satisfy agents, homebuyers, and everyone else involved in the real estate transaction

Everything you need, from comps to comprehensive tax data.

Deep and broad coverage

OneKey® MLS is the largest MLS in New York state, with 45,000 real estate professionals who work in Long Island, Manhattan, and the Lower Hudson Valley. With more than one million active, pending, and historical listings in our database, if it’s been sold in the New York Metropolitan area, chances are one of our agents handled the transaction, and a comp is ready and waiting for you.


Easy and accurate

OneKey® MLS utilizes the Matrix™ platform, the premier MLS platform in the industry. Its leading edge user interface, combined with our strict business rules that enforce data accuracy, and RESO-standard data, mean that you can find the comps you’re looking for and trust that the results are accurate.


Integrated and rich data

Matrix™ is integrated with Realist®, providing a wealth of public record data including property characteristics, ownership information, sales and transaction history, tax assessment data, mortgage and lien information, zoning and land use, neighborhood and market data, flood zone and environmental data and even building permit history. With these resources at hand, making justifiable and informed appraisals is much easier.


Wide network

OneKey® MLS’s enormous network of real estate professionals enables you to speak to the agent for virtually any property you need to pull into your 1004 — super-charging your analysis with market insight, while broadening your professional network at the same time. 

Did You Know?

Areas served
  • Long Island: Suffolk and Nassau Counties
  • Hudson Valley: Westchester, Putnam, Orange, Rockland, Sullivan, Dutchess and Ulster Counties
  • New York City: Manhattan, Queens, Brooklyn, and Bronx Boroughs


Easy exports
  • Custom exports from Matrix™
  • Easy configuration to export data for valuation justification, market trends, property trends and other key appraisal factors


Built-in 1004 Market Conditions (MC)
  • Easy generation of short and detailed reports
  • Printer friendly format
  • Branding options available

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