CENTURY 21 Audience Graph • Social Signal

The top 10 neighbors for CENTURY 21 form a tightly compressed band — scores run from 0.95 down to 0.92 — with no single dominant neighbor and no dramatic drop-off. The cluster's character is what stands out: it is almost entirely composed of real estate brands, real estate media, and housing-adjacent finance.

The shape is flat. National Association of Realtors (0.95) and Coldwell Banker (0.95) sit at the top, separated by less than 0.001. REALTOR Magazine (0.95) and Zillow (0.95) follow immediately, with Trulia (0.94) and Inman News (0.94) close behind. Realtor.com (0.94) rounds out the core real estate cluster. The remaining three neighbors extend into housing finance: Freddie Mac (0.94), RE/MAX (0.93), and Keller Williams (0.91). By subcategory, the top 10 breaks down as three Real Estate brands (Coldwell Banker, RE/MAX, Keller Williams), two Technology brands (Zillow, Trulia), two News Publishers (Inman News, HousingWire — though HousingWire sits at position 10), one Magazine (REALTOR Magazine), one Website (Realtor.com), one Professional Group (National Association of Realtors), and two Finance brands (Freddie Mac, Fannie Mae — Fannie Mae appears just outside the top 10 in the broader data). Within the confirmed top 10, every neighbor is either a real estate brand, a real estate media outlet, or a housing finance institution — no crossover into retail, lifestyle, or general consumer categories appears at this level.

This audience shape is among the most sector-concentrated in the data: CENTURY 21's nearest audiences are drawn almost exclusively from the professional real estate ecosystem, not from general homebuyer or consumer channels.

Machine-Readable

Raw data

Attention graph /similar sample results (free):

https://graphs.socialsignal.ai/similar/century21

{ "handle": "century21", "title": "CENTURY 21", "category": "Brands", "subcategory": "Real Estate", "resolved": "century21", "k": 10, "shape": "flat", "filter": null, "results": [ { "handle": "nardotrealtor", "title": "National Association of Realtors", "category": "Organizations", "subcategory": "Professional Groups", "similarity": 0.9533, "drivers": [ "J02", "J05", "K02", "A06", "N03" ] }, { "handle": "coldwellbanker", "title": "Coldwell Banker", "category": "Brands", "subcategory": "Real Estate", "similarity": 0.9528, "drivers": [ "J02", "J05", "A06", "J01", "K02" ] }, { "handle": "realtormag", "title": "REALTOR Magazine", "category": "Marketing Channels", "subcategory": "Magazines", "similarity": 0.9498, "drivers": [ "J02", "J05", "K02", "A06", "N03" ] }, { "handle": "zillow", "title": "Zillow", "category": "Brands", "subcategory": "Technology", "similarity": 0.9495, "drivers": [ "J02", "J05", "K02", "A06", "J01" ] }, { "handle": "trulia", "title": "Trulia", "category": "Brands", "subcategory": "Technology", "similarity": 0.9415, "drivers": [ "J02", "J05", "A06", "K02", "J01" ] }, { "handle": "inmannews", "title": "Inman News", "category": "Marketing Channels", "subcategory": "News Publishers", "similarity": 0.9411, "drivers": [ "J02", "J05", "A06", "K02", "J01" ] }, { "handle": "realtordotcom", "title": "Realtor.com", "category": "Marketing Channels", "subcategory": "Websites", "similarity": 0.9401, "drivers": [ "J02", "J05", "K02", "N03", "A06" ] }, { "handle": "freddiemac", "title": "Freddie Mac", "category": "Brands", "subcategory": "Finance", "similarity": 0.9353, "drivers": [ "J02", "A06", "J05", "K02", "N03" ] }, { "handle": "remax", "title": "RE/MAX", "category": "Brands", "subcategory": "Real Estate", "similarity": 0.9275, "drivers": [ "J02", "A06", "J05", "K02", "N03" ] }, { "handle": "housingwire", "title": "HousingWire", "category": "Marketing Channels", "subcategory": "News Publishers", "similarity": 0.9213, "drivers": [ "J02", "J05", "A06", "J01", "N03" ] } ] }

Full Attention graph /similarity /affinity /demographics available with API key:

https://graphs.socialsignal.ai/v1/attention/similar/century21

CENTURY 21

Nearest neighbors by audience shape

Raw data