Sources # Where every fact on this site came from. Built September 2026 from her public site and profiles, as an independent tribute. Nothing was invented; anything unverifiable was left out; nothing private (her direct email, her license paperwork) is reproduced. - calltosca.com (home, Meet the Team, Testimonials, Portfolio, Affiliations, Selling, Buying and Selling Tips, My Sold Listings)Her current site on Coldwell Banker's MoxiWorks platform. Source of the bio, designations, ABJ awards, phone numbers, license, office address, the six site testimonials, all 42 portfolio images and the sold-listing specifications.[https://calltosca.com/](https://calltosca.com/) - coldwellbankerhomes.com agent profile (aid_93830)Designation names in full, areas served, specialties, the headshot used here.[https://www.coldwellbankerhomes.com/tx/austin/agent/tosca-gruber/aid_93830/](https://www.coldwellbankerhomes.com/tx/austin/agent/tosca-gruber/aid_93830/) - coldwellbankerluxury.com specialist profileGlobal Luxury Specialist listing.[https://www.coldwellbankerluxury.com/specialist/tgruber-cb](https://www.coldwellbankerluxury.com/specialist/tgruber-cb) - Google Business Profile4.7 stars, 12 reviews, checked 2026-09-14 in a browser. Three reviews quoted as displayed.[https://g.page/CallTosca](https://g.page/CallTosca) - Yelp5.0 stars, 6 reviews, checked 2026-09-14. Six reviews quoted in full.[https://www.yelp.com/biz/tosca-gruber-coldwell-banker-realty-austin](https://www.yelp.com/biz/tosca-gruber-coldwell-banker-realty-austin) - Facebook page683 followers; team named as Tom Walton and Kyle Gruber. Checked 2026-09-14.[https://www.facebook.com/ToscaGruberRealEstate](https://www.facebook.com/ToscaGruberRealEstate) - Instagram1,118 followers, 43 posts, from the profile's public metadata, 2026-09-14.[https://www.instagram.com/toscagruberrealestate/](https://www.instagram.com/toscagruberrealestate/) - YouTube channel RSS and oEmbedThe one video on her channel and the embeddability of every other video on the videos page.[https://www.youtube.com/channel/UCJ2TXrqBechZpwLG7bwpFEg](https://www.youtube.com/channel/UCJ2TXrqBechZpwLG7bwpFEg) - LCRALake Austin as a constant-level lake; Lake Travis as a flood-control reservoir; Tom Miller and Mansfield dams.[https://www.lcra.org/](https://www.lcra.org/) - Wikimedia CommonsAll landscape photographs, credited individually on the portfolio page.[https://commons.wikimedia.org/](https://commons.wikimedia.org/) Not used, on purpose: sold prices (not published on her feed), Facebook's recommendation percentage (9 responses, not a rating), any subscriber count for YouTube, and any transaction totals beyond what the sold feed shows. --- An independent fan and appreciation site about Tosca Gruber, REALTOR® with Coldwell Banker Realty. Not affiliated with or endorsed by her or her brokerage. Official site: https://calltosca.com/