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POTM · Updated

Methodology

Every number on the Pulse answers to the rules on this page. Updated .

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Sources and order of authority

Figures derive from the San Francisco Multiple Listing Service, processed through POTM Command, a governed analytics system that applies automated ingestion, repair, data quality review, deduplication, and reporting readiness gates before any figure is published. Reports are only built when the system's readiness check passes. Active, pending, and sold hero counts defer to InfoSparks (ShowingTime Plus), the San Francisco Association of Realtors' statistics platform, when sources disagree.

This update's data

Closed sales through 2026-06-10. After deduplication this update rests on 61,709 unique closed listings (2002 to present; analysis windows begin 2016). Removals this cycle: 1 sale-to-list outlier (data entry errors above 200% of list) and 33 quarantined events excluded by published data quality review decisions.

Definitions

TermDefinition
Closed saleStatus "Closed" or "Sold Off MLS", deduplicated by listing number keeping the final sold state.
Sale vs. listClose price as a percent of final list price. Medians reported. Values above 200% are excluded as data entry errors.
% over askingShare of closed sales with sale vs. list strictly above 100%.
Financed / cash shareOf sales where buyer financing was actually reported. Unreported sales are excluded from the denominator, not assumed either way. This is stricter than feeds that count unreported sales as financed.
Days on marketMedian days from list to contract as reported to the Multiple Listing Service.
Property typesSingle Family (Single Family Residence), Condo / Townhouse (Condominium plus Townhouse), Tenancy in Common, Multi-Unit (Duplex, Triplex, Quadruplex, 5+ Units).
Luxury$5M+ single family and $3M+ condominiums, roughly the top 5% of sales.

Windows: compared to what?

Sample size discipline

Every figure carries its sample size or a reliability label drawn from POTM Command's published thresholds: Strong samples support conclusions; Directional samples are momentum clues only; Anecdotal samples are disclosed but never argued from. Neighborhood cells under 15 closings are excluded from rankings entirely.

Presentation doctrine

Charts and tables follow two standards. From Edward Tufte: no chartjunk, no misleading axes, small multiples for fair comparison, and every visual must map to a decision a buyer or seller actually faces. From Patrick Carlisle's rules for honest real estate statistics: context first (a number without a comparison is worthless), small sample discipline, medians over means, trends over snapshots, and no forecast theater. If a future update ever breaks one of these rules, the methodology page will say so.

Reliability and revisions

All information is deemed reliable but is not guaranteed. Multiple Listing Service data changes after the fact: late-reported closings arrive, statuses are corrected, and quality review reclassifies records. Figures here are therefore subject to change, correction, and revision between updates, and a number may differ slightly from the same number in an earlier or later update for that reason. No claim is made that any figure is 100% accurate, and no responsibility is assumed for errors or omissions. When a revision materially changes a previously published read, the next update will say so.

What this is not

Not a forecast, not an appraisal, and not individual financial, legal, tax, or lending advice. Market data describes the past; your decision deserves a conversation about your specific block, property, and situation.