170 Main St
+7.0%vs the Watertown ZIP median sale $/ft² ($561)
Sales Performance
39 arms-length sales on record for this building.
Unit Mix & Floor PlansThe building's recurring floor plans, found by grouping units with identical beds, baths and square footage in county records. Larger groups are the building's standard layouts; leftover units have one-off sizes.
Value DistributionHow the building's units spread across value ranges by our current estimates. A wide spread usually means big differences in size, floor or view.
Value by Floor & LineAverage estimated price per square foot by floor range, using unit numbers to infer floors. Higher floors usually price higher — the gap shows how much the view is worth here.
Ownership & Financing
Recent SalesThe latest recorded arms-length sales in the building, newest first.
Values are TopHap estimates, not appraisals. Sales, ownership and tax figures come from recorded county documents via ATTOM and can lag by several weeks.
Property Facts
Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.
District: Watertown School District
Neighborhood · ZIP 02472These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.
Index scale: 100 = US average (tick). Lower is better.
All UnitsEvery property record the county has at this street address, such as the units in a condo building. Prices shown are our estimates, not asking prices.
Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.
About 170 Main St
How many units are in 170 Main St, Watertown, MA?
170 Main St, Watertown, MA has 14 residential units across 4 floors, built in 1989, according to county assessor records.
What is a unit at 170 Main St, Watertown, MA worth?
The median TopHap Estimate across the 14 units at 170 Main St, Watertown, MA is $391,304. That works out to $600 per square foot. Units run from 624 to 1,082 square feet. Estimates are modelled from recorded sales and assessments, not appraisals.
Is 170 Main St, Watertown, MA expensive for Watertown?
Units at 170 Main St, Watertown, MA carry a median of $600 per square foot, 7% above the Watertown median of $561 per square foot.
How often do units sell at 170 Main St, Watertown, MA?
0 units at 170 Main St, Watertown, MA sold in the last 12 months, out of 39 recorded arms-length sales all time. That is a turnover rate of 0.0% of the building per year.
Have units at 170 Main St, Watertown, MA appreciated?
Across 24 repeat sales of the same unit, 170 Main St, Watertown, MA returned a median 5.1% per year. Because each pair is the same unit bought and sold, the figure is not distorted by which units traded. The median owner held for 5.5 years.
What floor plans does 170 Main St, Watertown, MA have?
The most common plan at 170 Main St, Watertown, MA is a 1-bedroom of 624 square feet, repeated 3 times, with a median estimate of $383,847. TopHap identifies 6 recurring plans in the building.
More homes on Main St
- 504 Main St # 1$755K6 bd · 2 ba · 1,034 ft² · Sold $750K · Apr 2026
- 654 Main St$998K3 bd · 1 ba · 1,980 ft² · Sold $980K · Feb 2026
- 222 Main St$943K5 bd · 2.5 ba · 2,333 ft² · Sold $965K · Aug 2025
- 618 Main St # 6204 bd · 2 ba · 2,314 ft² · Sold $1M · Jun 2025
- 346 Main St$563K2 bd · 1.5 ba · 1,032 ft² · Sold $542K · Nov 2024
- 624 Main St6 bd · 4 ba · 2,990 ft² · Sold $1.1M · Oct 2024
- 549 Main St4 bd · 2 ba · 1,806 ft² · Sold $1M · Nov 2023
- 707 Main St$1.1M4 bd · 2.5 ba · 2,099 ft² · Sold $925K · Oct 2023
- 224 Main St$1.1M4 bd · 3 ba · 2,127 ft² · Sold $1.1M · Apr 2023
- 504 Main St # 2$896K6 bd · 2 ba · 1,980 ft² · Sold $833K · Nov 2022
- 591 Main St$831K3 bd · 1.5 ba · 1,477 ft² · Sold $754K · Nov 2022
- 170 Main St # 403$443K2 bd · 2 ba · 893 ft² · Sold $455K · Oct 2022
Closest homes
- 170 Main St$443K0 ft · 2 bd · 2 ba · 893 ft² · Sold $455K · Oct 2022
- 170 Main St$410K0 ft · 1 bd · 1 ba · 644 ft² · Sold $365K · Nov 2018
- 170 Main St$529K0 ft · 2 bd · 2 ba · 1,082 ft² · Sold $355K · Feb 2015
- 170 Main St$383K0 ft · 1 bd · 1 ba · 639 ft² · Sold $82K · Dec 1994
- 170 Main St$388K0 ft · 1 bd · 1 ba · 639 ft² · Sold $285K · Jun 2005
- 170 Main St$376K0 ft · 1 bd · 1 ba · 624 ft² · Sold $130K · May 2005
- 170 Main St$534K0 ft · 2 bd · 2 ba · 1,082 ft² · Sold $270K · Mar 2003
- 170 Main St$390K0 ft · 1 bd · 1 ba · 639 ft² · Sold $117K · Jun 1998
More homes in Watertown 02472
- 3 Repton Cir$829K2 bd · 2 ba · 1,182 ft² · Sold $775K · Aug 2026
- 12 Bennett Rd$700K3 bd · 1.5 ba · 1,184 ft² · Sold $750K · Aug 2026
- 50 Carey Ave$375K2 bd · 1 ba · 600 ft² · Sold $200K · Aug 2026
- 131 Coolidge Ave$492K1 bd · 1 ba · 850 ft² · Sold $515K · Aug 2026
- 246 Waverley Ave$957K4 bd · 2 ba · 2,144 ft² · Sold $850K · Aug 2026
- 153 Boylston St$515K1 bd · 1 ba · 854 ft² · Sold $515K · Aug 2026
- 34 Angela Ln$744K2 bd · 2.5 ba · 1,252 ft² · Sold $769K · Aug 2026
- 10 Williams St$410K2 bd · 1 ba · 950 ft² · Sold $410K · Aug 2026
- 116 Winsor Ave4 bd · 2 ba · 2,344 ft² · Sold $800K · Aug 2026
- 25 King St6 bd · 2 ba · 2,764 ft² · Sold $1.1M · Aug 2026
- 26 Desmond Ave6 bd · 2 ba · 2,592 ft² · Sold $1.2M · Aug 2026
- 69 Hillside Rd4 bd · 2.5 ba · 2,880 ft² · Sold $910K · Aug 2026
Assigned schools
Explore the area
See this home in context
Open 170 Main St on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.
Open in map