Index change and building permits for the year, with every county.
In 2005 the FHFA house price index for Massachusetts changed +9.8%, against +12.4% for the United States and +10.6% in 2004.
24,549 housing units were authorised by building permits in the state that year (14,585 single-family), +9.2% on 2004; the national total was 2,155,316.
+9.8%Massachusetts index, 2004–2005US +12.4%
24,549housing units permitted in 200514,585 single-family
14 of 14counties with a rising indexmedian county +10.7%
Ranked by the county index change from 2004 to 2005 (FHFA annual county index). Permits are units authorised in 2005; per 1,000 uses the vintage 2025 population.
Housing units authorised in Massachusetts by yearsingle-family2+ unit buildings
Source: Federal Housing Finance Agency annual state and county house price indexes (updated March 31, 2026); Census Bureau Building Permits Survey annual state and county files. Public domain. Methodology.