Products And Services CoStar COMPS Professional®
CoStar COMPS Professional®  America’s #1 source of verified commercial property sales comparables
is now supercharged with even more detail, coverage and reporting speed.

Other Commercial Real Estate
Specialists

CoStar COMPS is the valuation tool you need to have an unbiased understanding of your property and portfolio value. Over one million sales comparables independently researched and verified by over 1,000 researchers, the largest research organization in the industry -

  • Tax Appeal Specialists
    CoStar COMPS provides the third-party unbiased sales comparables you need to file strong appeals and effectively challenge tax authorities
  • Government Executives
    CoStar COMPS supports property assessments with unbiased, third-party corroboration for tax authorities and development agencies
  • Corporate Real Estate Professionals 
    CoStar COMPS provides impartial verification of others’ opinion of value for more profitable, confident property decisions
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