US Parcels - Multi-State Parcel & Property Data

Unifies US county assessor / property-tax / recorder records into one parcel + owner schema: owner, assessed value, sale history, deed, tax status. Value layer: owner-to-parcel linking, portfolio rollups, equity/distress scoring. Public records, no skip-tracing. For investors, lenders, PropTech.

UK Visa Sponsor Register - Licensed Employers

j0401/uk-visa-sponsors

The UK Home Office register of licensed Worker and Temporary Worker sponsors (143k registrations, OGL v3): organisation, town, county, type and rating (A/B), and sponsored route. Search by name, town, county or route; aggregate; or get the latest daily change feed.

Search and retrieve Harris County TX property records including owner names, parcel addresses, market values, and exemptions from the official HCAD bulk data file.

Cook County Parcel Sales - Buyer & Seller Names

j0401/cook-parcel-sales

2.69M recorded parcel sales in Cook County, Illinois (public open data, 1971-present): sale date, price, deed type, and BOTH named parties - seller (grantor) and buyer (grantee). Search by buyer, seller, PIN, township or price; filter to arms-length comparables; aggregate by class or township.

DC Building Permits - 2009 to Present

j0401/dc-building-permits

Washington DC building permits (public open data, year layers 2009-2026): type/subtype/category, status, work description, applicant and owner, fees, address with ward/ANC/SMD, zoning and the SSL parcel key that joins to DC property records.

New Jersey State Payroll - Every State Employee Payment

j0401/nj-payroll

Every payment New Jersey's state government made to its own workforce (public open data, 2.84M rows, 2010-today): employee, agency and section, job title, bargaining group, salary rate, and paid amounts by type. Filter by name, agency, title, year or amount.

Owner names and mailing addresses for Cook County, IL (Chicago) parcels, with absentee-owner and LLC/trust flags. Filter by ZIP, street, owner, or PIN. Data as published by the Cook County Assessor.

England Planning Constraints - Flood, Listed, Conservation

j0401/uk-planning-constraints

Answer 'what planning constraints apply here?' for an England postcode or coordinate: flood risk, conservation areas, listed buildings, Article 4, green belt, tree preservation zones, scheduled monuments, ancient woodland and more. Catalogue mode lists every dataset.

UK Property Sales - HM Land Registry Price Paid

j0401/uk-price-paid

Every residential property sale in England & Wales since 1995 (about 30 million transactions, OGL v3): price, transfer date, postcode and address, property type, new-build and tenure flags, Price Paid category. Search by postcode, town, price, date or type; aggregate with average prices.

ClinicalTrials.gov Studies - Search 600K Trials

j0401/clinicaltrials-studies

Search ClinicalTrials.gov's 600K+ registered studies: condition, intervention, sponsor, phase, status, study type, sex, location and date windows. Returns sponsors, enrollment, eligibility, outcomes and site count. No API key.