Donuka: Washington, D.C. Property Data

DATA SOURCES: 1. ONLY state sources (city/county/state administration, federal agencies, ministries, etc.). We DO NOT use unverified databases 2. Over 2300 sources. We use even the smallest sources, because they contain valuable data. This allows us to provide our users with the most complete data DATA RELEVANCE: 1. Our data is updated daily, weekly, monthly depending on the sources 2. We collect, process and store all data, regardless of their relevance. Historical data is also valuable DATA TYPES: 1. Specifications 2. Owners 3. Permits 4. Sales 5. Inspections 6. Violations 7. Assessed values 8. Taxes 9. Risks 10. Foreclosures 11. Property Tax Liens 12. Deed Restrictions NUMBERS: 1. 2300 data sources in total 2. 217 data sources in Washington, D.C. 3. 315,000+ properties in Washington, D.C. 4. 4 billion records (listed in the "data types" block above) in total 5. 2 million new records every day DATA USAGE: 1. Property check, investigation (even the smallest events are stored in our database) 2. Prospecting (more than 100 parameters to find the required records) 3. Tracking (our data allows us to track any changes)

搜集汇总

背景与挑战

背景概述

该数据集涵盖华盛顿特区超过31.5万处房产，数据来自2300多个官方来源，每日更新并包含40亿条记录，涉及规格、所有者、许可等12类信息。它支持房产检查、潜在客户挖掘和变更追踪等用途。