Real ChatGPT answer · index seeday3EC1HWaw8completeReal estate · commercial real estateinformational

Are there any open-source alternatives to a CoStar data subscription that students or young professionals can use for market research and comparable sales data?

ChatGPTgpt-63 queries11/1/2026
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Fan-out diagram

The searches the AI actually ran for this prompt.

SEED QUERY
Are there any open-source alternatives to a CoStar data subscription that students or young professionals can use for market research and comparable sales data?
3 real searches · 1 real-search pass
free public commercial real estate data comparable sales property records county deeds assessor databases resources studentsGoogle ↗
OBSERVED
free commercial real estate market research data rent vacancy reports CBRE JLL Cushman Wakefield researchGoogle ↗
OBSERVED
US government open data real estate housing demographics Census ACS HUD FRED FHFA datasetsGoogle ↗
OBSERVED

Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.

Query classes

Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.

Classifying 3 queries…

Searches and sources

ChatGPT3 real searches · gpt-6
free public commercial real estate data comparable sales property records county deeds assessor databases resources students Google ↗
free commercial real estate market research data rent vacancy reports CBRE JLL Cushman Wakefield research Google ↗
US government open data real estate housing demographics Census ACS HUD FRED FHFA datasets Google ↗
  1. Explore TopHap · tophap.com
  2. Download property data · realestatedataset.com
  3. Frequently Asked Questions · realestatedataset.com
  4. Find county parcel data · freeparceldata.com
  5. Commercial Real Estate Database: 2026 Guide to CRE Data Platforms · reonomy.com
  6. Explore Crexi · crexi.com
  7. Explore LoopNet · loopnet.com
  8. CBRE Insights · cbre.com
  9. JLL Insights · jll.com
  10. Cushman & Wakefield Insights · cushmanwakefield.com
  11. Colliers Research · colliers.com
  12. Census data explorer · data.census.gov
  13. HUD data catalog · data.hud.gov
  14. FHFA datasets · fhfa.gov
  15. FRED economic database · fred.stlouisfed.org
  16. BLS data · bls.gov
  17. Uniform Appraisal Dataset (UAD) Aggregate Statistics · fhfa.gov
  18. Datasets · fhfa.gov
  19. Available APIs · census.gov
  20. Statistical Information & Reports - Real Estate Industry: A Resource Guide · guides.loc.gov
  21. Download QGIS · qgis.org
  22. Explore PostGIS · postgis.net
  23. Explore Pandas · pandas.pydata.org

Queries

3 queries · click a column to sort
Query / typeSearchIntentQuery classRouting formatClusterFreq ↓Weight
free public commercial real estate data comparable sales property records county deeds assessor databases resources students
OBSERVED
Google ↗
AI Mode ↗
————1x
of 1
free commercial real estate market research data rent vacancy reports CBRE JLL Cushman Wakefield research
OBSERVED
Google ↗
AI Mode ↗
————1x
of 1
US government open data real estate housing demographics Census ACS HUD FRED FHFA datasets
OBSERVED
Google ↗
AI Mode ↗
————1x
of 1