Our verdict
CoStar describes itself as Access Denied. We found no free tier advertised on its own site. No public pricing page was found, which usually means pricing is quote-based. Our score of 0.0 out of 10 comes from a desk review against the published rubric, recorded 2026-08-25.
Pricing
- Free tierNo
- Public price listNo, quote-based
CoStar does not publish a price list openly, which usually means pricing is quote-based. You will need to contact them. Why we do this
Visit costar.comUser reviews
No one has reviewed this tool here yet. Reviews are moderated before they appear, and our own score is editorial and separate from user ratings.
CoStar alternatives
Side by side
| Tool | Our score | From | Free tier | Best for | |
|---|---|---|---|---|---|
| CoStar this page | 0.0 | — | — | ||
| Matterport | 5.5 | — | Yes | ||
| Collov AI | 5.2 | — | — | ||
| Follow Up Boss | 4.9 | — | — | ||
| Spacely AI | 4.8 | — | Yes | ||
| HouseCanary | 4.7 | — | — | ||
| BoomTown | 3.1 | — | — |
Questions
Is CoStar free?
We found no free tier or trial advertised on CoStar’s own site. Check the vendor’s pricing page, since this can change.
How much does CoStar cost?
CoStar does not publish pricing openly, which usually means it is quote-based. You will need to contact the vendor.
Does CoStar have an API or developer docs?
We found no public developer documentation for CoStar.
How is CoStar scored here?
CoStar scores 0.0 out of 10. That comes from a desk review of public evidence, which is capped at 8.5 out of 10: public pricing, documentation, maintenance signals and how much we could actually verify. Affiliate relationships are excluded from scoring entirely. The full rubric is published on our methodology page.