Cost of Living in Watertown
The biggest cost-of-living factor in Watertown, Massachusetts is housing. The median home is priced around $825K, or about $534 per square foot.
With 20% down on a median-priced home, the estimated monthly mortgage payment (principal and interest) is about $4,281, plus roughly $803 per month in property taxes. Rates and down payment change this figure significantly.
Watertown's FY2025 residential property tax rate is $11.68 per $1,000 of assessed value. Combined with home prices, that gives a clear picture of the monthly cost of owning in Watertown.