GLOBAL PROPERTY INTELLIGENCE · 852 CITIES & REGIONS
Every cross-border move is a dozen decisions at once. We bring them into one view.
Buying, investing, or relocating across borders means juggling price, visas, tax, cost of living, culture, climate risk and feasibility — scattered across dozens of sources. Properearth™ unifies them, so you decide with clarity instead of guesswork.
PROVISIONAL PATENT PENDING
A DELAWARE C-CORP
TAP ANYWHERE FOR SOUND
41.5 MILLION RECORDED SALES · 852 CITIES & REGIONS · 13 COUNTRIES
Explore markets worldwide
A live 3D globe of prices, listings and opportunity, city by city.
EarthIQ™ scoring
Price, climate, safety, schools and infrastructure — scored in one number.
Visas, tax & cost of living
See what an address unlocks — residency, tax, affordability — side by side.
Climate risk to 2050 and 2080
Heat, flood, fire, sea level and water stress for 116 cities, each figure read from its source.
Reports & valuations
EarthMemo™ briefs for buyers; valuation & due-diligence for investors.
Cross-border decisions
Built for cross-border movers, realtors, advisers, investors & developers
Free to create an account · provisional patent pending · A Delaware C-Corp
Properearth™
Global Property Intelligence
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Global Property Intelligence
What is on this site
Every property on Properearth is an existing address. The catalogue holds two classes, both sourced:
live listings — properties genuinely offered for sale by their government owners, each carrying its source and its parcel or site identifier; and
off-market · historic sales — existing properties reconstructed verbatim from public transaction registers, with the address, the last recorded sale price and date, and the register linked on every record.
Behind them sits the evidence layer: 41,489,207 recorded sales across 852 cities and regions in 13 countries.
Nothing on this site is modelled inventory. Where a figure is a projection rather than a measurement — a rent in a market with no rent register, a development scenario, an ADR assumption — it is labelled at the point it is shown.
Full sourcing methodologyDocumented data sources
Why this site shows demo profiles
Properearth is presented in demonstration form while live inventory onboards. The catalogue holds three
clearly-labelled classes: live listings — properties genuinely offered for sale by their government owners, each with
its source and parcel or site identifier; off-market · historic sales — existing properties reconstructed
verbatim from public transaction registers (address, last recorded sale price and date, register linked on every record); and
demo profiles — modelled samples that are not real properties.
Demo profiles exist for one reason: to demonstrate the platform’s working functionality — EarthIQ™ scoring, valuation, climate and GIS
risk, culture fit and full development feasibility — in the markets where live listings and registry data have not yet been onboarded. They are
never presented as inventory, they are excluded from market statistics, and their reports are free — nothing is ever sold on a demo profile.
Paid reports apply only to live listings and off-market historic properties. As live listings and further public registers onboard, demo profiles are
progressively replaced by real data.
Full sourcing methodologyDocumented data sources
† Demo profiles are clearly-labelled modelled samples built from documented market evidence — no actual property sits behind them, and they are never presented as live inventory. They exist to demonstrate functionality that is real and working: EarthIQ™ scoring, CultureScore, GIS & climate risk, walkability and liveability, valuations anchored to government-recorded sales held in evidence (France DVF 2025, UK 2026, Florida all-county 2024–26, NSW Australia 2025, Ireland PPR, NYC, Singapore, Connecticut), short-let and hotel analysis, and full development feasibility (IRR, NPV, DSCR built line by line). The engines are genuine and run identically on live listings — the first 1,006 arrived 23 Aug 2026: government-offered properties from the City of Chicago (ChiBlockBuilder land sales), the City of Detroit (commercial sales), the Detroit Land Bank Authority and Homes England (UK Land Hub, on-market sites only), each carrying its true source, parcel or site identifier and price basis. ‡ Off-market · historic sales — 41,489,207 properties across 852 cities and regions, reconstructed verbatim from government transaction registers and assessment rolls (HM Land Registry, UK · DGFiP DVF, France · Florida Department of Revenue NAL 2026, all 67 counties, US · NSW Valuer General PSI, Australia · PSRA Residential Property Price Register, all 26 counties, Ireland · Dubai Land Department Open Data, UAE · Taiwan MOI Actual-Price Registration · Japan MLIT Real Estate Information Library · South Korea MOLIT RTMS · HMS Kaupskrá fasteigna, Iceland · VZD NĪTIS Open Data, Latvia · São Paulo ITBI Transaction Data, Brazil · King County WA Assessments, US (full history) · Singapore HDB Resale Register (full 1990–2026) · NYC Department of Finance Rolling Calendar Sales · Allegheny County WPRDC Sale Transactions · Philadelphia Dept. of Records Real Estate Transfers) — the address, last recorded sale price and date, and a link to the source register on every record. Not for sale, never counted as inventory; they exist so the reports run on existing assets. On the live site each city’s full set loads on demand; a representative sample is embedded in the single-file build.
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PROPEREARTH™ PRO
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Pro unlocks both reports on every listing: the EarthIQ™ Report (intelligence, climate & GIS risk, market context, valuation with comparable evidence) and the Full Due Diligence & Feasibility report (everything in the EarthIQ™ Report plus the complete financial case — IRR, NPV, DSCR built line by line, cash flow, sensitivity, planning controls, tax position).
Buying one report? The Full Due Diligence & Feasibility Report contains everything in the EarthIQ™ Report and more — if you are buying the Development Feasibility, there is no need to buy both.
Properearth™ is an information service. It publishes transactions recorded by government registers, properties currently advertised by their owners or by public bodies, and figures derived from those two things. This notice states what each of them is.
What the platform holds.41,489,207 recorded transactions from 22 government registers, across 843 cities with a register in 13 countries, together with 1,006 properties currently advertised by public bodies. A recorded transaction is reproduced as the register published it and carries a link to the source file, so every figure built on it can be recomputed from the same public data.
Measured, convention, or modelled — and how to tell. A measured figure is computed from records from a named source, and the source, the sample size and the period are printed beside it. A convention is a stated rule rather than an observation — a discount rate, a minimum sample size, a return threshold — and is shown so it can be disagreed with. A modelled figure is produced by an assumption where no observation exists, and carries the word MODELLED in its basis line. Where no source is held the platform reports nothing. It does not substitute a plausible value, so a score may read “Not scored” and a figure may be absent. An absence is the platform declining to assert something, not a fault.
EarthIQ™. A weighted composite over 18 dimensions, computed at city and country level and displayed against a property. A score is published only where at least 3 dimensions and at least 25% of the total weight could be measured; below either, the score is withheld and the badge reads “Not scored”. Coverage varies by city and is published with the score. Four dimensions — schools, walkability, crime and planning — have no source held in this build and are measured on nothing. The weights are a stated editorial judgement, not an estimated parameter. EarthIQ is not a valuation, not a forecast, and not a recommendation.
Owner-submitted listings. Anyone with an account may advertise a space. Those listings are advertising, not evidence: Properearth has not verified the listing, the address, the price, or who owns the property, and photographs are supplied by the advertiser and are not checked. They are held separately from the register and are excluded from every median, index, comparable set, map figure and statistic on this platform. They carry no EarthIQ score, no valuation and no report. Placing a listing does not verify it.
Price series. Each city series is the median recorded price by quarter, with the number of sales behind every point shown beside it. A quarter holding fewer than 30 recorded sales is kept and marked sparse rather than indexed. The most recent quarter is marked partial, because registers lag. The series are not seasonally adjusted and not mix-adjusted: if the kind of property being sold changes, the median moves without any individual property changing in price. That is the largest unquantified source of error in these figures and it is stated rather than corrected, because correcting it would mean asserting one model across hundreds of different registers.
Reports — what is for sale. The EarthIQ™ Report, the Valuation Report and the Full Due Diligence & Feasibility Report are built on the server and can be purchased on live listings and on recorded properties. Four sample reports are free to anyone. Every report prints the basis of its price, the basis of its yield, the basis of its growth rate, the return thresholds it is measured against, and a section headed “What this report does not know”. Payment is taken by Stripe and access is granted only after payment is confirmed on the server.
Maps and geospatial layers. Every layer that can be switched on fetches real geometry or real tiles from a named published source (OpenStreetMap, OpenTopoMap, AWS Terrain Tiles, USGS) for the area in view and draws only what came back; the outcome is written under the layer’s row. A layer that is catalogued but has no connected source is marked not connected and cannot be switched on. Nothing is drawn that was not fetched. The Climate Risk 2050 display layer plots the platform’s own modelled city index at city points and says so; it is not a hazard map. A property is plotted at its own position only where a coordinate exists for it; the remainder are drawn faintly at an offset from the city centre, and the map states the basis for each pin. An offset pin is not a location.
Accuracy and timeliness. Registers lag, by weeks in some jurisdictions and by months in others. Curated tables are dated copies and the retrieval date is shown. Nothing here is real-time. Data may be incomplete, delayed, estimated or inaccurate; where a figure is unverified, treat it as unconfirmed and check the stated source before relying on it.
Not advice. Nothing on this platform is financial, investment, tax, legal or immigration advice, a professional appraisal, or a valuation for lending purposes. Properearth states the figures and which thresholds they clear. It does not recommend whether to buy, hold or sell — that decision is yours.
Rules change. Visa, residency, tax and planning rules change frequently and depend on personal circumstances. Planning controls are encoded from the published code for four municipalities only, as at the date shown on each; everywhere else the envelope shown is an illustrative study and says so. Always confirm with official government sources and licensed professionals before acting.
Nothing here sends you a message. Properearth does not send email or notifications of any kind — there is no scheduled service behind any feature. The watchlist checks for changes when you open it, and nothing arrives in your inbox.
Verify independently. Confirm all figures before any transaction or relocation decision. properearth.ai accepts no liability for decisions made in reliance on this platform. The full account of every source, method and assumption is published in the Properearth Data and Analytical Methodology.