Living in Watertown, MA: prices, taxes and commute
A compact city on the Charles River next to Cambridge, served by MBTA buses.
Watertown's single-family median was $1,302,500 in September 2026 on only 3 sales, and $1,055,000 over the past 12 months, +5.8% from a year earlier. The FY2026 tax rate is $12.20 per $1,000, with a 35% residential exemption for owner-occupants. Watertown has no subway or commuter rail station.
Watertown by the numbers
Source: The Context Report No. 5 (October 2026), MLS PIN closed single-family sales for September 2026; Massachusetts DOR FY2026 tax rates. Carrying cost assumes 20% down on a 30-year fixed loan and excludes insurance, HOA and maintenance. Annual tax on the September median at the FY2026 rate is about $15,891 before any exemption.
Every issue of The Context Report for Watertown
| Issue | Median | Sales | Carrying cost / mo | 12-mo median | 12-mo change |
|---|---|---|---|---|---|
| No. 1, June 2026 | $1,005,000 | 6 | $6,157 | $995,000 | +3.1% |
| No. 2, July 2026 (June 2026 sales) | $1,175,000 | 7 | $7,214 | $1,000,000 | +0.5% |
| No. 3, August 2026 (July 2026 sales) | $1,110,000 | 5 | $6,897 | $1,050,000 | +5.5% |
| No. 4, September 2026 (August 2026 sales) | $1,035,000 | 2 | $6,492 | $1,060,000 | +9.8% |
| No. 5, October 2026 (September 2026 sales) | $1,302,500 | 3 | $8,692 | $1,055,000 | +5.8% |
Homes in Watertown
Watertown's September single-family median of $1,302,500 ranked 8 of 26 Greater Boston towns with sales that month, above the regional middle of $950,000. The 12-month median of $1,055,000 is the steadier number, especially with so few sales in September. These figures cover single-family homes only; condos and multi-families are not included. Price depends heavily on the street and the house, so the town median is only a starting point. Ask us for recent sales of homes like yours.
Taxes and monthly cost
Watertown's FY2026 residential rate is $12.20 per $1,000 of assessed value, up from $11.68 in FY2025. A home assessed at $1,302,500 would pay about $15,891 a year in property tax. Watertown offers a 35% residential exemption to owner-occupants, which lowers the bill on a primary residence. Owners have to apply with the assessor; it is not automatic. See how that compares on our property tax rates by town page.
Getting around
- Bus: MBTA routes from Watertown Square and Watertown Yard to Harvard and Central Square.
- By car: Route 16, Route 20 and the Mass Pike nearby. Travel times vary a lot with traffic; test your own commute at rush hour.
Schedules change. Check mbta.com for current service before you count on a commute.
Schools, safety, water and flood data
We do not rate towns. These are the official sources, so you can look at the data yourself.
- Schools: Massachusetts DESE school and district profiles. Search for Watertown to see enrollment, staffing, assessment results and more.
- Crime data: Massachusetts crime statistics, the state's public crime reporting site. The Watertown police department also publishes local reports.
- Drinking water: MWRA drinking water quality reports (Watertown is an MWRA water community).
- Flood zones: FEMA Flood Map Service Center. Enter the address. If a home is in a high-risk flood zone, lenders will require flood insurance, so check before you make an offer.
Sources
- The Context Report No. 5 (October 2026)
- Massachusetts DOR FY2026 tax rates
- MBTA bus schedules
Questions this page answers
What is the median home price in Watertown, MA?
The single-family median in Watertown was $1,302,500 in September 2026 on 3 sales, a small sample, so treat it with caution. Over the last 12 months it was $1,055,000, +5.8% from a year earlier.
What is the property tax rate in Watertown?
Watertown's FY2026 residential rate is $12.20 per $1,000 of assessed value, up from $11.68 in FY2025. The commercial rate is $23.47. Owner-occupants can apply for a 35% residential exemption.
How do you get from Watertown to Boston?
Watertown has no subway or commuter rail station. MBTA buses, including trackless trolley routes, connect Watertown Square and Watertown Yard to Harvard and Central Square.
Is Watertown a good place to live?
That depends on what you need. This page lays out prices, taxes, commute options and links to public school, crime, water and flood data so you can decide for yourself.
How much does it cost per month to own a home in Watertown?
About $8,692 a month in principal, interest and property tax on the September median, with 20% down on a 30-year fixed loan. Insurance and maintenance are extra.
Do I need to apply for the Watertown residential exemption?
Yes. If you buy a home to live in, apply with the Watertown assessor. The exemption is not automatic for new owners.