Retrofit Atlas and CoStar
Subscription research, listings, comps and tenant data for commercial real estate. Category: CRE data platform. Audience: Brokers, lenders, investors, appraisers (per Verdantix profile). Site: costar.com.
When to use which
Use CoStar to price, lease or market an asset today; use the Atlas to see what comparable dead malls became.
They have, the Atlas does not
- Sale and lease comps
- Tenant and lease data from field researchers
- Listings via LoopNet/CoStar marketplaces
- Market analytics and forecasts
- Contacts for owners and brokers
Not found on their public pages (public pages not re-readable on 21 Oct 2026)
- retrofit outcome per site (imported, unreviewed for most records)
- before/after facts with quoted sources
- the Retrofitting Suburbia taxonomy, used with attribution
- free API/MCP
- dated releases with diffs
Neither CoStar nor the Atlas has
- Live foot-traffic per mall (Placer.ai has it)
- Reviewed post-closure outcomes for every dead mall
Public pricing
| Plan | Price | Source |
|---|---|---|
| CoStar Suite | Quote only; not published (the page returned 403 to our fetch on 2026-10-21; no price seen) | source |
Coverage, as they state it
| Coverage claim | Source |
|---|---|
| 2011 10-K: database researched and verified by in-house researchers, covering the U.S. plus London, other parts of the U.K. and parts of France (dated; no current count found) | source |
| 2021 earnings call: top-tier subscribers got 500,000 additional international properties in 200+ countries | source |
Sources
- https://www.costar.com/products/costar-suite · read 403, not read
- https://atlas.verdantix.com/costar-group/costar-suite · read 2026-10-21
- https://www.sec.gov/Archives/edgar/data/1057352/000105735212000024/form_10-k.htm · read 2026-10-21
- https://www.fool.com/earnings/call-transcripts/2021/04/27/costar-group-inc-csgp-q1-2021-earnings-call-transc/ · read 2026-10-21
Facts about CoStar are theirs, read on the dates shown; they may have changed since. The Atlas claims are about release 2026-10-21. Corrections: desk@retrofitatlas.org.
All comparisons Why retrofit Atlas API and data
Page generated with the site, release 2026-10-21. Corrections: the form or desk@retrofitatlas.org.