PBN means Private Blog Network in real estate SEO contexts. It's a group of websites, often built on expired domains with existing backlink profiles, that real estate agents or agencies control to funnel link equity to their main property listing site or brokerage website. The goal is to artificially boost rankings for competitive keywords like "Toronto condos for sale" or "Ottawa real estate agent" without earning legitimate editorial links. Real estate is one of the industries where PBNs still show up regularly because competition is brutal and the financial stakes are high. A single first-page ranking for a buyer-intent keyword in Vancouver or Montreal can generate six figures in commissions annually. Some agents see the risk-reward calculation differently than, say, a national brand would. The mechanics typically involve purchasing 10–50 expired domains that previously belonged to blogs, local news sites, or businesses. These get populated with thin content and links pointing back to the money site. The network tries to look natural by varying hosting IPs, registrars, and content topics, but Google's algorithms have become sophisticated at detecting footprints like shared Google Analytics codes, similar templates, or unnatural link patterns. The risks are substantial. Google's manual action team actively hunts PBNs, and a penalty means your real estate site disappears from search results entirely, sometimes taking months to recover even after disavowing the links. We've seen Ottawa brokerages lose 80–90% of their organic traffic overnight after a PBN penalty hit. At Ottawa SEO, we don't build or recommend PBNs for real estate clients. The sustainable approach is creating genuinely useful neighborhood guides, market reports, and buyer resources that local news sites, community blogs, and mortgage brokers want to reference naturally. It takes longer—expect 8–14 months for meaningful traction versus 2–4 months for a PBN—but you're building an asset that compounds rather than a liability that can implode. Real estate is a long-term relationship business; your SEO strategy should match that horizon.