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Official sources for researching a property.

A sound real-estate decision relies on primary sources. This directory brings together national public agencies for checking housing data, financing, hazards, taxes and local rules.

Materials for researching a property methodically
A sound decision file combines official sources, documents and local checks.
VERIFY, DO NOT ASSUME

Twelve dependable starting points.

These external links open in a new tab. Always confirm the date, geography and whether information applies to the actual parcel and property.

PUBLIC SOURCE

Census Bureau · data.census.gov

Official demographic, housing and income profiles for states, counties, cities and census tracts.

Open source
PUBLIC SOURCE

Consumer Financial Protection Bureau

Mortgage education, Loan Estimate and Closing Disclosure guides, plus complaint resources.

Open source
PUBLIC SOURCE

HUD housing counseling

Find HUD-approved housing counseling, homebuyer education and local assistance information.

Open source
PUBLIC SOURCE

FEMA National Flood Hazard Layer

Look up official flood-map information for a specific address before making an offer.

Open source
PUBLIC SOURCE

FEMA disaster declarations

Check federally declared disasters by state, county and incident type.

Open source
PUBLIC SOURCE

EPA Envirofacts

Research environmental facilities and regulatory information near an address.

Open source
PUBLIC SOURCE

EPA radon

Learn how to test for radon and locate state radon-program contacts.

Open source
PUBLIC SOURCE

USGS earthquake hazards

Check earthquake-hazard information and learn how local risk is assessed.

Open source
PUBLIC SOURCE

NOAA climate data

Explore climate normals, weather records and climate data tools for local due diligence.

Open source
PUBLIC SOURCE

IRS · home ownership

Federal tax information for homeowners, sellers, landlords and international transactions.

Open source
PUBLIC SOURCE

USA.gov · state governments

Official gateway to each state government, where licensing, tax and property rules can be verified.

Open source
PUBLIC SOURCE

USA.gov · local governments

Find official county and municipal websites, then locate the assessor, recorder, tax and planning offices for a property.

Open source
WORKING ORDER

Research in layers.

Start with the place, continue with property-specific costs and hazards, then finish with documents and professionals in the relevant jurisdiction. A national source is a foundation—not a substitute for state, county or city authority.

  1. Locate the area and compare Census data.
  2. Review flood, climate, radon and surroundings.
  3. Confirm taxes, zoning and licenses locally.
  4. Request property-specific quotes and reports.
Editorial and visual production assisted by artificial intelligenceSome content and visuals may be created or modified with AI assistance. They may contain errors or become outdated; always verify material information with current official sources and qualified professionals.