Skip to content
Skip to content
TopHapOpen in map
CondominiumResidential

31 Spring St

WATERTOWN, MA 02472
0.22 ac
Lot SizeThe size of the land the home sits on, from county records.
1987
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
Built 19875 floors23 units632–1,170 ft²
$7M
All units combinedThe sum of our current value estimates for every unit in the building — roughly what the whole building's homes are worth together.
$440K
Median unit valueThe middle unit value in this building by our estimate: half the units are worth more, half less.
$500
Median $/ft²The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.

+9.1%vs the Watertown ZIP median sale $/ft² ($458)

Sales Performance

—
Median sale (12 mo)The middle sale price among this building's units that sold in the last 12 months, from recorded deeds.
—
1-yr changeHow the building's median sale price over the last 12 months compares with the 12 months before that.
0
Sales (12 mo)Units in this building that sold in the last 12 months, from recorded arms-length deeds.
0.0%
Turnover (12 mo)The share of units that changed hands in the last 12 months. Around 4–6% a year is typical; much higher can signal investor churn or a wave of exits.

0 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.

Every unit: size vs estimated valueEvery unit in the building as one dot: across is its size, up is our current value estimate, and color is its bedroom count. Vertical columns of dots are recurring floor plans; the height spread within a column shows how much floor, view and condition move prices for the same layout.
$393K$422K$451K$480K634 ft²741 ft²848 ft²956 ft²1,063 ft²1,170 ft²
1 bd2 bd
1 bed
17 units
2 bed
6 units
Recurring 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.
1 bd · 1 ba · 694 ft²
2 units
1 bd · 1 ba · 749 ft²
2 units
1 bd · 1 ba · 770 ft²
2 units
2 bd · 2 ba · 1,170 ft²
2 units
One-off layouts
15 units

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.

$393K–$399K
6 units
$407K–$407K
1 unit
$435K–$435K
1 unit
$445K–$445K
1 unit
$460K–$460K
1 unit
$471K–$480K
6 units

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.

Floor 3
$480/ft²
Floor 4
$515/ft²
Floor 5
$485/ft²
Unit lines by $/ft²Condo units stacked vertically share a unit line — the last digits of the unit number (like 05 in 1205, 1305, 1405). Lines share a layout and exposure, so comparing estimated $/ft² by line shows which position in the building commands a premium.
Line ·04
$531/ft²
Line ·03
$427/ft²
Line ·07
$410/ft²

Ownership & Financing

Owner-occupiedThe share of units where the owner lives in the unit, per county records. The rest are second homes or rentals.0%
Company-ownedUnits owned through an LLC, trust, or other company — a rough proxy for investor ownership.100%
Typical owner tenureThe middle number of years since each unit last changed hands — how long the current owners have been in place.126.8 yrs
Avg. loan-to-valueAverage current loan balance against unit value across the building. Low numbers mean owners hold lots of equity — a sign of financial stability.0%
Median owner equityThe middle dollar amount of equity (value minus loans) unit owners hold in this building.$461,378
Median tax billThe middle annual property tax bill among the building's units.$3,354
Pre-foreclosure noticesUnits with an active pre-foreclosure or foreclosure notice on file.0

Values are TopHap estimates, not appraisals. Sales, ownership and tax figures come from recorded county documents via ATTOM and can lag by several weeks.

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.19 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
StyleThe architectural style of the home, such as ranch or colonial.Condo/Apartment
CountyMIDDLESEX
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Roll Tar & Gravel
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

H
Watertown High SchoolB-
High · Grades 9–12 · 0.4 mi
M
Watertown Middle SchoolB-
Middle · Grades 6–8 · 0.6 mi
E
J. R. Lowell Elementary SchoolA-
Elementary · Grades KG–5 · 0.7 mi

District: Watertown School District

Neighborhood · ZIP 02472These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.

CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.112
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.103
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.71

Index scale: 100 = US average (tick). Lower is better.

Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.34%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.6%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.35,928
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.8,689 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$115,227
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$149,103
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.47 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.58%

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.

31 Spring St # 301
1 bd · 1 ba · 694 ft²
31 Spring St # 302
1 bd · 1 ba · 632 ft²
31 Spring St # 303
2 bd · 2 ba · 1,106 ft²
$472K
31 Spring St # 304
1 bd · 1 ba · 749 ft²
$398K
31 Spring St # 305
1 bd · 1 ba · 831 ft²
$435K
31 Spring St # 306
1 bd · 1 ba · 770 ft²
$393K
31 Spring St # 307
2 bd · 2 ba · 1,170 ft²
$480K
31 Spring St # 308
1 bd · 1 ba · 997 ft²
31 Spring St # 401
1 bd · 1 ba · 692 ft²
$445K
31 Spring St # 402
1 bd · 1 ba · 634 ft²
$394K
31 Spring St # 403
2 bd · 2 ba · 1,103 ft²
$471K
31 Spring St # 404
1 bd · 1 ba · 749 ft²
$398K
31 Spring St # 405
1 bd · 1 ba · 835 ft²
31 Spring St # 406
1 bd · 1 ba · 770 ft²
31 Spring St # 407
2 bd · 2 ba · 1,170 ft²
$480K
31 Spring St # 408
1 bd · 1 ba · 1,001 ft²
$460K
31 Spring St # 501
1 bd · 1 ba · 694 ft²
$394K
31 Spring St # 503
2 bd · 2 ba · 1,101 ft²
$471K
31 Spring St # 504
1 bd · 1 ba · 753 ft²
$399K
31 Spring St # 505
1 bd · 1 ba · 833 ft²
$407K
31 Spring St # 506
1 bd · 1 ba · 769 ft²
31 Spring St # 507
2 bd · 2 ba · 1,169 ft²
$478K
31 Spring St # 508
1 bd · 1 ba · 1,004 ft²

Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

About 31 Spring St

How many units are in 31 Spring St, Watertown, MA?

31 Spring St, Watertown, MA has 23 residential units across 5 floors, built in 1987, according to county assessor records.

What is a unit at 31 Spring St, Watertown, MA worth?

The median TopHap Estimate across the 23 units at 31 Spring St, Watertown, MA is $439,944. That works out to $500 per square foot. Units run from 632 to 1,170 square feet. Estimates are modelled from recorded sales and assessments, not appraisals.

Is 31 Spring St, Watertown, MA expensive for Watertown?

Units at 31 Spring St, Watertown, MA carry a median of $500 per square foot, 9% above the Watertown median of $458 per square foot.

What floor plans does 31 Spring St, Watertown, MA have?

The most common plan at 31 Spring St, Watertown, MA is a 1-bedroom of 694 square feet, repeated 2 times, with a median estimate of $393,707. TopHap identifies 4 recurring plans in the building.

More homes on Spring St

Closest homes

More homes in Watertown 02472

Assigned schools

Explore the area

See this home in context

Open 31 Spring 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
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map