> Enrich.chat gives AI agents verified work emails and mobiles. To use it from an agent, read https://enrich.chat/agents.md . This is the Markdown version of https://enrich.chat/company/century-21/

# Century 21®

A real estate organization with 25,000 to 50,000 employees. Where it sits among its peers, the technology it runs and how to reach its people.

By Enrich.chat Editorial. Updated October 21, 2026.

**Short answer:** Century 21® (century21.com) is a real estate organization with 25,000 to 50,000 employees. Its public technology footprint includes Microsoft Outlook, Facebook Login, Cedexis Radar and AWS.

## How big is Century 21®?

Century 21® has 25,000 to 50,000 employees. Among the real estate firms on this site it sits among the largest. Each dot in the figure is one of its peers, placed by size; the orange dot is Century 21®.

**Figure: Where Century 21® sits among real estate firms.** A strip of dots, one for each of 120 peers in real estate, spread from 2,000 to 2,000,000 employees on a log scale. Century 21® is highlighted and falls in the 25,000 to 50,000 employees range among the largest.

*Peers in real estate placed by employee count on a log scale. Sizes are rounded ranges from public profiles.*

Headcount on public company profiles is rounded and moves as a company hires, so use the range as a guide, not as a payroll figure.

## Where is Century 21® headquartered?

Century 21® is headquartered in Madison, New Jersey.

[Companies in New Jersey](https://enrich.chat/companies-in/new-jersey/)

## What industry is Century 21® in?

Century 21® works in [real estate](https://enrich.chat/industries/real-estate/). This group covers brokerages, property managers, developers and investors that buy, sell, lease and manage property. Similar organizations on this site: [Coldwell Banker](https://enrich.chat/company/coldwell-banker/), [Lianjia](https://enrich.chat/company/lianjia/), [Re/Max](https://enrich.chat/company/re-max/), [Bahria Town](https://enrich.chat/company/bahria-town/), [Cushman & Wakefield](https://enrich.chat/company/cushman-and-wakefield/) and [Coldwell Banker Realty](https://enrich.chat/company/coldwell-banker-realty/).

## What technology does Century 21® use?

We detect 39 tools on Century 21®'s public footprint across 14 categories, for example AWS for cloud and hosting, Zendesk for customer support and chat and Facebook Login for identity and authentication. The figure counts the tools in each category; the groups below name them and link to the companies that use each one.

**Figure: Tools detected at Century 21®, by category.** A bar chart of how many tools were detected at Century 21® in each category: Advertising and retargeting 11, Analytics and tracking 4, Video and media 4, CDN and security 3, Social and widgets 3, Cloud and hosting 2, Data and observability 2.

*Tools detected on the public footprint of Century 21®, by category.*

### Cloud and hosting

[AWS](https://enrich.chat/companies-using/aws/)[Apache Coyote](https://enrich.chat/companies-using/apache-coyote/)

### Customer support and chat

[Zendesk](https://enrich.chat/companies-using/zendesk/)

### Identity and authentication

[Facebook Login](https://enrich.chat/companies-using/facebook-login/)

### Data and observability

[Cedexis Radar](https://enrich.chat/companies-using/cedexis-radar/)[LiveRamp](https://enrich.chat/companies-using/liveramp/)

### Email and productivity

[Microsoft Outlook](https://enrich.chat/companies-using/microsoft-outlook/)[SendGrid](https://enrich.chat/companies-using/sendgrid/)

### CDN and security

[Amazon Route 53](https://enrich.chat/companies-using/route-53/)[Varnish Cache](https://enrich.chat/companies-using/varnish/)[OpenSSL](https://enrich.chat/companies-using/openssl/)

### Website platforms and CMS

[WordPress (self-hosted)](https://enrich.chat/companies-using/wordpress-org/)

### Analytics and tracking

[Google Tag Manager](https://enrich.chat/companies-using/google-tag-manager/)[Google Analytics](https://enrich.chat/companies-using/google-analytics/)[Hotjar](https://enrich.chat/companies-using/hotjar/)[comScore](https://enrich.chat/companies-using/comscore/)

### Advertising and retargeting

[Facebook Custom Audiences](https://enrich.chat/companies-using/facebook-custom-audiences/)[DoubleClick](https://enrich.chat/companies-using/doubleclick/)[Adobe Media Optimizer](https://enrich.chat/companies-using/adobe-media-optimizer/)[DoubleClick Conversion Tracking](https://enrich.chat/companies-using/doubleclick-conversion/)[Google Dynamic Remarketing](https://enrich.chat/companies-using/google-dynamic-remarketing/)[LinkedIn Marketing Solutions](https://enrich.chat/companies-using/linkedin-marketing-solutions/)[Google Ads Conversion Tracking](https://enrich.chat/companies-using/google-adwords-conversion/)[DoubleClick Floodlight](https://enrich.chat/companies-using/doubleclick-floodlight/)[Bing Ads (Microsoft Advertising)](https://enrich.chat/companies-using/bing-ads/)[BlueKai](https://enrich.chat/companies-using/bluekai/)[AdRoll](https://enrich.chat/companies-using/adroll/)

### Video and media

[Vimeo](https://enrich.chat/companies-using/vimeo/)[YouTube](https://enrich.chat/companies-using/youtube/)[Zencoder](https://enrich.chat/companies-using/zencoder/)[Getty Images](https://enrich.chat/companies-using/gettyimages/)

### Social and widgets

[Facebook Widget](https://enrich.chat/companies-using/facebook-widget/)[Disqus](https://enrich.chat/companies-using/disqus/)[AddThis](https://enrich.chat/companies-using/addthis/)

### Frameworks and libraries

[Ruby on Rails](https://enrich.chat/companies-using/ruby-on-rails/)

### Fonts, maps and embeds

[Google Maps](https://enrich.chat/companies-using/google-maps/)[Typekit (Adobe Fonts)](https://enrich.chat/companies-using/typekit/)

Tools change as companies adopt and drop them. Check a single company at any time with the free [tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/).

## How do I find the right people at Century 21®?

Start from the website, century21.com. Enter it in the free email finder with a name, or ask your AI agent for the people in the roles you sell to, such as brokerage owners, property managers and heads of operations.

```text
Use www.enrich.chat to find the brokerage owners, property managers and heads of operations at century21.com, with titles and verified work emails
```

Staff addresses follow a known pattern: see the [Century 21® email format](https://enrich.chat/email-format/century-21/).

## Which other companies use the same tools?

See who else runs the tools Century 21® uses:

[Microsoft Outlook](https://enrich.chat/companies-using/microsoft-outlook/)[Vimeo](https://enrich.chat/companies-using/vimeo/)[Facebook Login](https://enrich.chat/companies-using/facebook-login/)[YouTube](https://enrich.chat/companies-using/youtube/)[Facebook Widget](https://enrich.chat/companies-using/facebook-widget/)[WordPress (self-hosted)](https://enrich.chat/companies-using/wordpress-org/)

## Which industry code is Century 21® filed under?

Public profiles list Century 21® under [NAICS 531210](https://enrich.chat/naics/531210/), Offices of Real Estate Agents and Brokers. Open the code to see the other companies filed under it, where they are based and how big they are.

## Frequently asked questions

### How many employees does Century 21® have?

Century 21® is in the 25,000 to 50,000 employees range on its public company profile. Headcounts are rounded and change as companies hire, so treat the range as a guide.

### What industry is Century 21® in?

Century 21® works in real estate. This group covers brokerages, property managers, developers and investors that buy, sell, lease and manage property.

### What technology does Century 21® use?

Tools detected on its public footprint include Microsoft Outlook, Facebook Login, Cedexis Radar and AWS, across 14 categories. A detected tool shows it was seen, not what Century 21® pays for it.

### Where is Century 21® headquartered?

Century 21® is headquartered in Madison, New Jersey.

### What is the website of Century 21®?

Century 21®'s website is century21.com. Staff email usually uses a domain like it, so check the pattern with the free email format finder before you write to anyone.

## Try this prompt

Find people at Century 21®

```text
Use www.enrich.chat to find the brokerage owners, property managers and heads of operations at century21.com, with titles and verified work emails
```

## Related

- [Companies using a technology](https://enrich.chat/companies-using/)
- [Coldwell Banker](https://enrich.chat/company/coldwell-banker/)
- [Lianjia](https://enrich.chat/company/lianjia/)
- [Re/Max](https://enrich.chat/company/re-max/)
- [Bahria Town](https://enrich.chat/company/bahria-town/)
- [Cushman & Wakefield](https://enrich.chat/company/cushman-and-wakefield/)
- [Coldwell Banker Realty](https://enrich.chat/company/coldwell-banker-realty/)
- [eXp Realty](https://enrich.chat/company/exp-realty/)
- [Revera](https://enrich.chat/company/revera/)
- [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)
