Selected U.S. Sources and How to Use Them

The sources below are starting points. Local law, current agency notices, and qualified counsel remain controlling.

• HUD Regulatory Barriers Clearinghouse — understand how state and local regulations affect affordable housing.
• DOJ/HUD Fair Housing Act land-use guidance — flag fair-housing limits on zoning and land-use practices.
• U.S. Census Building Permits Survey — gather residential construction context.
• FHFA House Price Index — understand broad single-family price trends.
• FEMA Flood Map Service Center — identify official flood hazard products and effective flood maps.
• EPA Brownfields and Land Revitalization — understand redevelopment where contamination may complicate reuse.
• DOJ RLUIPA resources — flag religious-land-use protections.
• APA Zoning Reform Toolkit — planning-practice resource for zoning tools that expand housing supply and choice.