Zillow, Redfin, Realtor.com own the data. Reddit owns "should I buy now."
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01Zillow zillow.com
Listing portal cited as data authority — Zestimate, comps.
T5Brand-Owned -
02Redfin redfin.com
Listing portal alongside Zillow — market data and trends.
T5Brand-Owned -
03Realtor.com realtor.com
NAR-affiliated portal — authoritative on MLS data.
T5Brand-Owned -
04Wikipedia wikipedia.org
Baseline for markets, real-estate concepts, history.
T2Encyclopedic -
05NAR nar.realtor
Trade association — market reports, professional standards.
T3Trade Press -
06Bankrate bankrate.com
Mortgage and financing authority.
T3Publisher -
07NerdWallet nerdwallet.com
Financing, first-time buyer, calculator authority.
T3Publisher -
08Reddit reddit.com/r/realestate
Owns "should I buy now" and lived-experience prompts.
T4Platform -
09Investopedia investopedia.com
Definitional authority on real-estate finance concepts.
T3Publisher -
10HUD.gov hud.gov
Federal housing authority — programs, rules, data.
T1Government
Investment property · market timing · agent-vs-DIY. Reddit fills the gap. NAR is structurally conflicted. New entrants with structured market analysis can win this zone.
Post-NAR-settlement market. The rules of who controls the buyer changed in 2024–2025. The AI source map is reshuffling with it.
- Which sources do AI engines cite most for real estate?
- Zillow, Redfin, Realtor.com, Wikipedia, NAR, Bankrate, NerdWallet, Reddit, Investopedia, and HUD.gov. The three listing portals supply ~38%.
- Why do Bankrate and NerdWallet outrank listing portals on mortgage?
- They built the explainer and financing content the listing portals never produced. Data layer vs decision layer are different categories.
- Is Reddit cited as authoritative on real estate decisions?
- Yes — on "should I buy now," timing, and agent-vs-DIY prompts. r/realestate and r/firsttimehomebuyer supply lived-experience signal.
- How has the NAR settlement changed AI real estate answers?
- The 2024 settlement reshaped agent commissions. The AI source map is reshuffling: NAR's structural conflict on "do I need an agent" is more visible; consumer-finance publishers are gaining share.
- Do Zillow, Redfin, and Realtor.com get cited equally?
- Close, with role differences. Zillow leads on home-value prompts; Redfin leads on market-trends; Realtor.com leads on MLS-accurate listings.
- How can agents and brokers increase their AI citation share?
- Influence is indirect. Produce structured local-market content. Maintain Wikipedia accuracy on neighborhoods. Schema-tagged Q&A moves share faster than listing content.
Method
Citation share modeled across four AI engines — ChatGPT, Claude, Perplexity, Google AI Overviews — and a fixed prompt set of 60+ queries spanning informational, transactional, comparison, safety, "best of," and explanatory classes.
Sources tagged on the five-tier Retrieval Hierarchy: T1 Government & Academic · T2 Encyclopedic · T3 Publisher & Trade Press · T4 Community Platforms · T5 Brand-Owned. Estimates are directional and date-stamped.
