Index change and building permits for the year, with every county.
In 2015 the FHFA house price index for Massachusetts changed +3.6%, against +4.4% for the United States and +5.2% in 2014.
17,424 housing units were authorised by building permits in the state that year (6,922 single-family), +20.3% on 2014; the national total was 1,182,582.
+3.6%Massachusetts index, 2014–2015US +4.4%
17,424housing units permitted in 20156,922 single-family
14 of 14counties with a rising indexmedian county +3.2%
Ranked by the county index change from 2014 to 2015 (FHFA annual county index). Permits are units authorised in 2015; 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.