Extensions for costar.com
7 browser extensions built for costar.com. Compare features, permissions, and safety across Chrome, Firefox, and Edge.
Open in the full catalog with filters →
Chrome Web StoreFoxlister — Cross-list & Ship
Copy a product on one marketplace and list it on others in one click, plus print shipping labels right from your orders.
Chrome Web StoreGravitate - Simplifying Commercial Real Estate
A Chrome extension to simplify your commercial real estate workflow by allowing you to easily transfer data to your spreadsheets.
Chrome Web StoreKeystory — Save Listings
Save residential and commercial real estate listings into your Keystory library as you browse. Capture tool for keystory.kevv.ai.
Chrome Web StorePAXIV — AI Land Intelligence
See who owns any property — owner data, deal scores, zoning, and flood risk — right on any listing site.
Chrome Web StoreCapital Bridge Solutions - DSCR & Hard Money Calculator
AI property analysis + DSCR calculator. Auto-fills from Zillow, Redfin & 17+ sites. Instant rental comps & deal scores.
Chrome Web StoreKalven
Personalized AI SDR for Commercial Real Estate (Beta)
Chrome Web StoreCapture Lab — CRE Prospecting
Browser tools for commercial real-estate prospecting: pull authenticated LinkedIn / CoStar / Reonomy data without leaving your seat.