Tarnwick LLC Subprocessors

Tarnwick LLC operates Appraiser Guru, an appraisal report platform that processes property data, appraisal reports, and user account information.

Real Estate / SaaS tarnwick.com
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Subprocessors
12
Locations
3
Categories
8
Last scanned

12 subprocessors

Name Category Purpose Location Data processed
Supabase ↗ PP Database Database, authentication, and file storage for the Appraiser Guru platform United States Account data, appraisal reports, files, session tokens
Anthropic, PBC ↗ PP AI AI features via Claude models as service provider, including the Guru assistant, problem reports, narrative drafting, market-area descriptions, reading orders, uploaded appraisal PDFs, pasted listings and assessor pages, HUD data plate and elevation photos, and template clean-up United States Questions to Guru and report details (subject address, file number, property characteristics, missing fields, check results, MLS summary figures, fields Guru looks up); problem reports and screenshots; narratives (property characteristics, opinion of value, contract price, subject address, comparable figures by number); MLS search map screenshots and criteria; order text including borrower name and contact details, loan and case numbers, lender/client/AMC details; first page of uploaded appraisal PDFs; pasted MLS listings (agent/office names, contact details, remarks removed); pasted assessor and property-data pages (owner and other party names, CoreLogic value estimates and scores removed); HUD data plate and elevation photos; template text. Never: passwords, payment details, user identifier, MLS market-data export.
Vercel ↗ PP Cloud Infrastructure Web hosting, serverless functions, CDN; Vercel Web Analytics for page-view counts United States (global CDN) HTTP requests, IP addresses, usage logs; for Web Analytics, each page view's time, page address, referring page, approximate location, browser, operating system and device type
Railway Cloud Infrastructure Hosting for the PDF rendering service that produces appraisal report PDFs United States The complete rendered appraisal report, including all report content and links to its photographs
Stripe ↗ PP Payment Processing Payment processing, subscription billing, and identity verification for Data Sharing Pool enrollment United States Payment method, billing address, transaction history; for Stripe Identity, government-issued ID document and selfie image (Tarnwick receives only pass/fail result)
SendGrid ↗ Email Inbound intake of order emails sent to forwarding addresses; outbound transactional email United States Email addresses, message subject and body, and any attachments to those messages
Sentry Error Tracking Application error monitoring and diagnostics Sentry-hosted (region set by account) Error reports with page URL, browser and device details, and IP address; screen replay with text masked and media blocked
Google ↗ PP Maps Address geocoding, map images, Street View property images United States Property addresses and coordinates
FEMA Government Flood zone determination United States Property coordinates
U.S. government and public data services Government Public-record lookups that populate neighborhood, site and market data United States Property addresses or coordinates only
State of Hawaii GIS Government Lava flow hazard zone lookups for properties in Hawaii United States Property coordinates
OpenStreetMap Maps Map tiles, geocoding, nearby-feature lookups Global Property addresses and coordinates, map viewport coordinates
November 8, 2026
+12 added
  • + Supabase (Database)
  • + Anthropic, PBC (AI)
  • + Vercel (Cloud Infrastructure)
  • + Railway (Cloud Infrastructure)
  • + Stripe (Payment Processing)
  • + SendGrid (Email)
  • + Sentry (Error Tracking)
  • + Google (Maps)
  • + FEMA (Government)
  • + U.S. government and public data services (Government)
  • + State of Hawaii GIS (Government)
  • + OpenStreetMap (Maps)