runsonwhat

Redfin's tech stack

What does Redfin use?

Redfin (redfin.com) uses at least 48 tools we can see from public records, including Amazon Web Services for hosting, Microsoft 365 for email and documents, Zendesk for customer support and Google Analytics for analytics. Last checked .

Industry
Real Estate
Size
1,001–5,000 employees
Based in
Seattle, United States
Founded
2004
LinkedIn
Company page
Tools found
48
Categories
19
Oldest proven tool
Feb 2015
Last checked
Oct 2026

Redfin's stack, layer by layer

Each tool links to the other companies we've found using it. The label says what kind of public trace gave it away.

What changed at Redfin

Using since

Dates come from the first certificate of the subdomain that points at the tool.

  1. Zendesk

Redfin tech stack FAQ

What tools does Redfin use?

As of October 2026, runsonwhat has found 48 tools at Redfin (redfin.com) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Amazon Route 53. Application: Google Maps, React and Anthropic. Data & Observability: Google Analytics, Google Tag Manager and Datadog. Go-to-market: Google Ads, Meta Pixel and Microsoft Ads. Company Ops: Microsoft 365, Google Workspace and SendGrid. Last checked October 18, 2026.

What cloud does Redfin run on?

Redfin uses Amazon Web Services for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on redfin.com. Amazon Web Services is used by 145,487 companies runsonwhat tracks.

What email provider does Redfin use?

Redfin uses Microsoft 365 for email and office software, alongside Google Workspace and Apple Business, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 709,037 companies runsonwhat tracks.

What does Redfin use for customer support?

Redfin uses Zendesk for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found Zendesk through a subdomain that points at Zendesk and email records, and Redfin has used it since at least February 2015. Zendesk is used by 41,616 companies runsonwhat tracks.

What payment provider does Redfin use?

Redfin uses Stripe for payments and billing, according to runsonwhat (October 2026). runsonwhat found Stripe through a DNS verification record for Stripe and code on redfin.com. Stripe is used by 27,764 companies runsonwhat tracks.

What analytics tools does Redfin use?

Redfin uses Google Analytics for analytics, alongside Google Tag Manager, comScore and AppsFlyer, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on redfin.com. Google Analytics is used by 875,601 companies runsonwhat tracks.

How long has Redfin used Zendesk?

Redfin has used Zendesk since at least February 2015, going by the first public certificate of the redfin.com subdomain that points at Zendesk.

Does Redfin use Cloudflare?

Yes. runsonwhat found Cloudflare at Redfin through Cloudflare code on redfin.com. Cloudflare is a CDN & Edge tool used by 701,396 companies runsonwhat tracks.

Does Redfin use AI tools?

Yes. runsonwhat has found Anthropic at Redfin; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so Redfin may use more AI tools than these.

Which companies have a tech stack similar to Redfin's?

The companies with the stacks most like Redfin's are Clearchoice Dental Implant Centers, Tailored Brands, Franklin Templeton Investments and Mebit D.o.o., according to runsonwhat (October 2026). Each shares 11 to 21 tools with Redfin, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

How does runsonwhat know what Redfin uses?

runsonwhat reads public records only. Of the 48 tools at Redfin, 24 were found through DNS records, 16 through code on redfin.com, 3 through email records, 3 through subdomains that point at the vendor and 2 through website configuration files. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and redfin.com about monthly.

We read public traces only: DNS and email records, certificate logs, website code and published subprocessor lists. A tool is listed when a direct record backs it up, and dropped when a recheck no longer finds it. Is this your company? See how to opt out.