The median home price in Massachusetts is $610,000, above the national median of $420,000. With a median household income of $89,640, the price-to-income ratio is 6.8x.
Property taxes in Massachusetts average 1.23% of assessed value. On the median home, that is $7,503 per year, or $625 per month added to your mortgage payment.
Massachusetts has a state income tax of 5% + 4% surtax on $1M+. Factor this into your take-home pay when calculating how much mortgage you can afford.
The cost of living index in Massachusetts is 135 (national average = 100). Expect to pay more for groceries, transportation, and healthcare in addition to housing.