FHA and Conventional Loan Amounts
https://entp.hud.gov/idapp/html/hicostlook.cfm

FHA approved Condos
https://entp.hud.gov/idapp/html/condlook.cfm

VA Approved Condos
https://vip.vba.va.gov/portal/VBAH/VBAHome/condopudsearch

USDA Property Map
http://eligibility.sc.egov.usda.gov/eligibility/welcomeAction.do?pageAction=sfp